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-rw-r--r--lexer/asmmon.h794
-rw-r--r--lexer/backup/asmmon.h794
-rw-r--r--lexer/backup/assemble.c975
-rw-r--r--lexer/backup/enums.h540
-rw-r--r--lexer/backup/lexer.c937
-rw-r--r--lexer/backup/lexer.h228
-rw-r--r--lexer/cpu/sux/cpu.c30
-rw-r--r--lexer/enums.h540
-rw-r--r--lexer/lexer.c311
-rw-r--r--lexer/lexer.h228
-rw-r--r--lexer/misc.c14
-rw-r--r--lexer/parse.c171
-rw-r--r--lexer/symbol.c42
13 files changed, 5604 insertions, 0 deletions
diff --git a/lexer/asmmon.h b/lexer/asmmon.h
new file mode 100644
index 0000000..430d37c
--- /dev/null
+++ b/lexer/asmmon.h
@@ -0,0 +1,794 @@
+#include "opcode.h"
+#include <ctype.h>
+#include <string.h>
+
+#define MAX_TOK 0x1000
+
+typedef struct tok token ;
+typedef struct ln line ;
+typedef struct sym symbol ;
+typedef struct fix fixup ;
+typedef struct inst instruction ;
+typedef struct op operand ;
+
+
+struct tok {
+ token *next; /* Pointer to the next token. */
+ uint8_t id; /* Token ID. */
+ uint8_t type; /* Token type ID. */
+
+ uint8_t tab; /* Number of tabs. */
+ uint8_t space; /* Number of spaces. */
+
+ uint8_t subtab; /* Number of sub-token tabs. */
+ uint8_t subspace; /* Number of sub-token spaces. */
+
+ uint8_t digits; /* Number of digits. */
+
+ /* Token value(s). */
+ union {
+ symbol *sym;
+ char *str;
+ uint8_t byte ;
+ uint16_t word ;
+ uint32_t dword;
+ uint64_t qword;
+ };
+};
+
+struct ln {
+ line *next; /* Pointer to the next line. */
+ token *tok; /* The token(s) for this line. */
+ uint16_t count; /* Total tokens for this line. */
+ uint16_t bline; /* Number of blank lines. */
+ uint32_t linenum; /* Line number. */
+ uint64_t addr; /* The address of this line. */
+};
+
+
+
+struct fix {
+ fixup *next;
+ symbol *s;
+ token *t;
+ uint64_t adr;
+};
+
+struct sym {
+ symbol *next;
+ symbol *prev;
+ symbol *down;
+ symbol *up;
+ uint16_t count;
+ uint64_t val;
+ uint8_t isstruct : 1;
+ uint8_t isanon : 1;
+ uint8_t def : 1;
+ char *name;
+ uint16_t id;
+};
+
+struct inst {
+ uint32_t am; /* Addressing modes. */
+ uint8_t op; /* Base value used to get the actual opcode. */
+};
+
+struct op {
+ uint8_t type; /* Operand Type. 0 = register, 1 = memory. */
+ uint8_t id; /* Operand Type ID 1. 4 bits. */
+ uint8_t id2[2]; /* Operand Type ID 2. 16 bits. */
+ uint64_t value; /* Value of operand (used only by memory operands). */
+};
+
+
+extern char lexeme[];
+extern char *string[];
+extern char *comment[];
+extern uint16_t incl[];
+extern line *lines;
+extern line *last_line;
+extern token *tokens;
+extern token *last_tok;
+extern symbol *symbols;
+extern symbol *last_sym;
+extern symbol *locals;
+extern symbol *last_loc;
+extern fixup *fixups;
+extern fixup *last_fix;
+
+extern uint8_t lex_type;
+
+enum dir {
+ DIR_ORG,
+ DIR_BYTE,
+ DIR_WORD,
+ DIR_DWORD,
+ DIR_QWORD,
+ DIR_INCLUDE,
+ DIR_RES,
+ DIR_STRUCT,
+ DIR_UNION,
+ DIR_ENDSTRUCT,
+ DIR_ENDUNION
+};
+
+enum token {
+ TOK_DIR,
+ TOK_LOCAL,
+ TOK_LABEL,
+ TOK_SYM,
+ TOK_EXPR,
+ TOK_CSV,
+ TOK_STRING,
+ TOK_CHAR,
+ TOK_IND,
+ TOK_IMM,
+ TOK_BREG,
+ TOK_OPCODE,
+ TOK_EXTOP,
+ TOK_ORTHO,
+ TOK_REG,
+ TOK_MEM,
+ TOK_CC,
+ TOK_RS,
+ TOK_OF,
+ TOK_COMMENT,
+ TOK_HEX,
+ TOK_DEC,
+ TOK_BIN,
+ TOK_INCLUDE,
+ TOK_STRUCT,
+ TOK_UNION,
+ TOK_MEMBER
+
+};
+
+enum pre_token {
+ PTOK_DOT,
+ PTOK_AT,
+ PTOK_COLON,
+ PTOK_EQU,
+ PTOK_PLUS,
+ PTOK_MINUS,
+ PTOK_GT,
+ PTOK_LT,
+ PTOK_PIPE,
+ PTOK_LBRACK,
+ PTOK_RBRACK,
+ PTOK_COMMA,
+ PTOK_B,
+ PTOK_E,
+ PTOK_X,
+ PTOK_Y,
+ PTOK_S,
+ PTOK_P,
+ PTOK_A,
+ PTOK_C,
+ PTOK_D,
+ PTOK_F,
+ PTOK_R,
+ PTOK_DQUOTE,
+ PTOK_SQUOTE,
+ PTOK_HASH,
+ PTOK_SCOLON,
+ PTOK_DOLLAR,
+ PTOK_PERCENT,
+ PTOK_NUMBER,
+ PTOK_ALPHA,
+ PTOK_OTHER
+};
+
+enum expr {
+ EXPR_PLUS,
+ EXPR_MINUS,
+ EXPR_LOW,
+ EXPR_HIGH,
+ EXPR_OR,
+ EXPR_LSHFT,
+ EXPR_RSHFT,
+ EXPR_NONE
+};
+
+enum addrmode {
+ AM_IMM = (1 << 0),
+ AM_ZM = (1 << 1),
+ AM_ZMX = (1 << 2),
+ AM_ZMY = (1 << 3),
+ AM_IND = (1 << 4),
+ AM_INDX = (1 << 5),
+ AM_INDY = (1 << 6),
+ AM_ABS = (1 << 7),
+ AM_REL = (1 << 8),
+ AM_BREG = (1 << 9),
+ AM_IMPL = (1 << 10),
+ AM_INDX2 = (1 << 11),
+ AM_ZM2 = (1 << 12),
+ AM_EIND = (1 << 13),
+ AM_EIND2 = (1 << 14),
+ AM_ABY = (1 << 15),
+ AM_ABX = (1 << 16),
+ AM_AIND = (1 << 17),
+ AM_AINDY = (1 << 18),
+ AM_AINDX = (1 << 19),
+ AM_ORTHO = (1 << 20),
+ AM_ORTHO2 = (1 << 21)
+};
+
+enum ind {
+ CMP_IND = 0,
+ CMP_IDY = 1,
+ CMP_IDX = 2,
+ CPB_IND = 3,
+ CPB_IDY = 4,
+ CPB_IDX = 5,
+ JMP_IND = 6,
+ JSR_IND = 7,
+ LDA_IND = 8,
+ LDA_IDY = 9,
+ LDB_IND = 10,
+ LDB_IDY = 11,
+ LDX_IND = 12,
+ LDY_IND = 13,
+ STA_IND = 14,
+ STA_IDY = 15,
+ STB_IND = 16,
+ STB_IDY = 17,
+ STX_IND = 18,
+ STY_IND = 19
+};
+
+enum eind {
+ DEC_EIND,
+ INC_EIND,
+ STY_EIND,
+ STA_EIND,
+ STB_EIND,
+ LDX_EIND,
+ STX_EIND,
+ CPB_EIND,
+ CPX_EIND,
+ CPY_EIND
+};
+
+static const uint8_t ind_ops[20] = {
+ [CMP_IND] = CMP_IN,
+ [CMP_IDY] = CMP_IY,
+ [CMP_IDX] = CMP_IX,
+ [CPB_IND] = CPB_IN,
+ [CPB_IDY] = CPB_IY,
+ [CPB_IDX] = CPB_IX,
+ [JMP_IND] = JMP_IN,
+ [JSR_IND] = JSR_IN,
+ [LDA_IND] = LDA_IN,
+ [LDA_IDY] = LDA_IY,
+ [LDB_IND] = LDB_IN,
+ [LDB_IDY] = LDB_IY,
+ [LDX_IND] = LDX_IN,
+ [LDY_IND] = LDY_IN,
+ [STA_IND] = STA_IN,
+ [STA_IDY] = STA_IY,
+ [STB_IND] = STB_IN,
+ [STB_IDY] = STB_IY,
+ [STX_IND] = STX_IN,
+ [STY_IND] = STY_IN
+};
+
+static const uint8_t eind_base_ops[10] = {
+ [DEC_EIND] = DEC_E,
+ [INC_EIND] = INC_E,
+ [STY_EIND] = STY_E,
+ [STA_EIND] = STA_E,
+ [STB_EIND] = STB_E,
+ [LDX_EIND] = LDX_E,
+ [STX_EIND] = STX_E,
+ [CPB_EIND] = CPB_E,
+ [CPX_EIND] = CPX_E,
+ [CPY_EIND] = CPY_E
+};
+
+static const instruction inst[OPNUM] = {
+ [ADC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x01},
+ [AND] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x41},
+ [ASR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x62},
+ [BCC] = {(AM_REL), 0xA0},
+ [BCS] = {(AM_REL), 0x90},
+ [BEQ] = {(AM_REL), 0xB0},
+ [BNE] = {(AM_REL), 0xC0},
+ [BNG] = {(AM_REL), 0x80},
+ [BPO] = {(AM_REL), 0x70},
+ [BRA] = {(AM_REL), 0xF0},
+ [BRK] = {(AM_IMPL), 0x69},
+ [BVC] = {(AM_REL), 0xE0},
+ [BVS] = {(AM_REL), 0xD0},
+ [CLC] = {(AM_IMPL), 0x09},
+ [CLI] = {(AM_IMPL), 0x29},
+ [CLV] = {(AM_IMPL), 0x49},
+ [CMP] = {(AM_IMM|AM_ZM|AM_IND|AM_INDY|AM_ABS|AM_BREG|AM_INDX2|AM_EIND|AM_ORTHO), 0x82},
+ [CPB] = {(AM_IMM|AM_ZM|AM_IND|AM_INDY|AM_ABS|AM_INDX2|AM_EIND2), 0x04},
+ [CPS] = {(AM_IMPL), 0x00},
+ [CPX] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x24},
+ [CPY] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x44},
+ [DEB] = {(AM_IMPL), 0x99},
+ [DEC] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND2|AM_ORTHO2), 0x84},
+ [DEX] = {(AM_IMPL), 0xB9},
+ [DEY] = {(AM_IMPL), 0x79},
+ [DIV] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x42},
+ [INB] = {(AM_IMPL), 0xA9},
+ [INC] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND2|AM_ORTHO2), 0xA4},
+ [INX] = {(AM_IMPL), 0xC9},
+ [INY] = {(AM_IMPL), 0x89},
+ [JMP] = {(AM_ABS|AM_IND|AM_ZM2|AM_EIND), 0x00},
+ [JSR] = {(AM_ABS|AM_IND|AM_ZM2|AM_EIND), 0x20},
+ [LDA] = {(AM_IMM|AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND), 0xC2},
+ [LDB] = {(AM_IMM|AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND), 0xE2},
+ [LDX] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x64},
+ [LDY] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND), 0xA2},
+ [LSL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0xA1},
+ [LSR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0xC1},
+ [MUL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x22},
+ [NOP] = {(AM_IMPL), 0xEA},
+ [ORA] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x61},
+ [PHA] = {(AM_IMPL), 0x8E},
+ [PHB] = {(AM_IMPL), 0xAE},
+ [PHP] = {(AM_IMPL), 0x6E},
+ [PHX] = {(AM_IMPL), 0xEE},
+ [PHY] = {(AM_IMPL), 0xCE},
+ [PLA] = {(AM_IMPL), 0x9E},
+ [PLB] = {(AM_IMPL), 0xBE},
+ [PLP] = {(AM_IMPL), 0x7E},
+ [PLX] = {(AM_IMPL), 0xFE},
+ [PLY] = {(AM_IMPL), 0xDE},
+ [ROL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0xE1},
+ [ROR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x02},
+ [RTI] = {(AM_IMPL), 0x60},
+ [RTS] = {(AM_IMPL), 0x50},
+ [SBC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x21},
+ [SEC] = {(AM_IMPL), 0x19},
+ [SEI] = {(AM_IMPL), 0x39},
+ [STA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND2), 0x28},
+ [STB] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND2), 0x48},
+ [STX] = {(AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x68},
+ [STY] = {(AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x08},
+ [TAB] = {(AM_IMPL), 0x0A},
+ [TAX] = {(AM_IMPL), 0x4A},
+ [TAY] = {(AM_IMPL), 0x2A},
+ [TBA] = {(AM_IMPL), 0x1A},
+ [TSX] = {(AM_IMPL), 0x8A},
+ [TXA] = {(AM_IMPL), 0x5A},
+ [TXS] = {(AM_IMPL), 0x9A},
+ [TXY] = {(AM_IMPL), 0x7A},
+ [TYA] = {(AM_IMPL), 0x3A},
+ [TYX] = {(AM_IMPL), 0x6A},
+ [WAI] = {(AM_IMPL), 0x59},
+ [XOR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x81}
+};
+
+static const instruction ext_inst[EXT_OPNUM] = {
+ [LEA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_ABX|AM_ABY|AM_AIND|AM_AINDX|AM_AINDY|AM_ORTHO), 0x03},
+ [PEA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_ABX|AM_ABY|AM_AIND|AM_AINDX|AM_AINDY|AM_ORTHO2), 0x23},
+ [ADD] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO), 0x06},
+ [SUB] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO), 0x26},
+ [ADE] = {(AM_IMM|AM_ZM|AM_ABS), 0x46},
+ [SBE] = {(AM_IMM|AM_ZM|AM_ABS), 0x66},
+ [ADS] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x86},
+ [SBS] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0xA6},
+ [NOT] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0xC6},
+ [LLM] = {(AM_ZM|AM_ABS|AM_EIND), 0x48},
+ [LRM] = {(AM_ZM|AM_ABS|AM_EIND), 0x68},
+ [RLM] = {(AM_ZM|AM_ABS|AM_EIND), 0x88},
+ [RRM] = {(AM_ZM|AM_ABS|AM_EIND), 0xA8},
+ [ARM] = {(AM_ZM|AM_ABS|AM_EIND), 0xC8},
+ [PHE] = {(AM_IMPL), 0x6B},
+ [PLE] = {(AM_IMPL), 0x7B},
+ [CPE] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x08},
+ [ICE] = {(AM_ZM|AM_ABS|AM_EIND), 0x28},
+ [LDS] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x40},
+ [DEE] = {(AM_IMPL), 0x8B},
+ [INE] = {(AM_IMPL), 0x9B},
+ [DES] = {(AM_IMPL), 0xAB},
+ [INS] = {(AM_IMPL), 0xBB},
+ [STS] = {(AM_ZM|AM_ABS|AM_EIND), 0xA0},
+ [STE] = {(AM_ZM|AM_ABS), 0xC0},
+ [STZ] = {(AM_ZM|AM_ABS|AM_EIND), 0xE0},
+ [SCO] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x60},
+ [ECO] = {(AM_ZM|AM_ABS|AM_EIND), 0x80},
+ [CLZ] = {(AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0x05},
+ [CLO] = {(AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0x25},
+ [BIT] = {(AM_ZM|AM_ABS|AM_EIND), 0x45},
+ [MMV] = {(AM_IMPL), 0xCB},
+ [SWP] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0xE6},
+ [PCN] = {(AM_ZM|AM_ABS|AM_EIND|AM_ORTHO), 0xE8},
+ [REP] = {(AM_REL), 0xBD},
+ [REQ] = {(AM_REL), 0xCD},
+ [RNE] = {(AM_REL), 0xDD},
+ [LNG] = {(AM_IMM|AM_EIND2), 0x0D},
+ [LPO] = {(AM_IMM|AM_EIND2), 0x2D},
+ [LCS] = {(AM_IMM|AM_EIND2), 0x4D},
+ [LCC] = {(AM_IMM|AM_EIND2), 0x6D},
+ [LEQ] = {(AM_IMM|AM_EIND2), 0x8D},
+ [LNE] = {(AM_IMM|AM_EIND2), 0xAD},
+ [SNG] = {(AM_EIND2), 0x1D},
+ [SPO] = {(AM_EIND2), 0x3D},
+ [SCS] = {(AM_EIND2), 0x5D},
+ [SCC] = {(AM_EIND2), 0x7D},
+ [SEQ] = {(AM_EIND2), 0x9D},
+ [SNE] = {(AM_EIND2), 0xBD}
+};
+
+static const instruction ortho_inst[ORTHO_OPNUM] = {
+ [MNG] = {(AM_ORTHO), 0x00},
+ [MPO] = {(AM_ORTHO), 0x20},
+ [MCS] = {(AM_ORTHO), 0x40},
+ [MCC] = {(AM_ORTHO), 0x60},
+ [MEQ] = {(AM_ORTHO), 0x80},
+ [MNE] = {(AM_ORTHO), 0xA0},
+ [MVS] = {(AM_ORTHO), 0xC0},
+ [MVC] = {(AM_ORTHO), 0xE0},
+ [OR ] = {(AM_ORTHO), 0x61},
+ [MOV] = {(AM_ORTHO), 0xA2},
+ [IML] = {(AM_ORTHO), 0xC2},
+ [IDV] = {(AM_ORTHO), 0xE2},
+ [PSH] = {(AM_ORTHO2), 0x04},
+ [PUL] = {(AM_ORTHO2), 0x24},
+ [NEG] = {(AM_ORTHO2), 0x64},
+ [SET] = {(AM_ORTHO2), 0x05}
+};
+
+static const char *dir_t[11] = {
+ [ 0] = "org",
+ [ 1] = "byte",
+ [ 2] = "word",
+ [ 3] = "dword",
+ [ 4] = "qword",
+ [ 5] = "include",
+ [ 6] = "res",
+ [ 7] = "struct",
+ [ 8] = "union",
+ [ 9] = "endstruct",
+ [10] = "endunion"
+};
+
+static const char *rs_t[4] = {
+ [0] = "",
+ [1] = ".w",
+ [2] = ".d",
+ [3] = ".q"
+};
+
+static const char *lex_tok[] = {
+ [TOK_DIR ] = "TOK_DIR",
+ [TOK_LOCAL ] = "TOK_LOCAL",
+ [TOK_LABEL ] = "TOK_LABEL",
+ [TOK_SYM ] = "TOK_SYM",
+ [TOK_EXPR ] = "TOK_EXPR",
+ [TOK_CSV ] = "TOK_CSV",
+ [TOK_STRING ] = "TOK_STRING",
+ [TOK_CHAR ] = "TOK_CHAR",
+ [TOK_IND ] = "TOK_IND",
+ [TOK_IMM ] = "TOK_IMM",
+ [TOK_BREG ] = "TOK_BREG",
+ [TOK_OPCODE ] = "TOK_OPCODE",
+ [TOK_EXTOP ] = "TOK_EXTOP",
+ [TOK_ORTHO ] = "TOK_ORTHO",
+ [TOK_REG ] = "TOK_REG",
+ [TOK_MEM ] = "TOK_MEM",
+ [TOK_CC ] = "TOK_CC",
+ [TOK_RS ] = "TOK_RS",
+ [TOK_OF ] = "TOK_OF",
+ [TOK_COMMENT] = "TOK_COMMENT",
+ [TOK_HEX ] = "TOK_HEX",
+ [TOK_DEC ] = "TOK_DEC",
+ [TOK_BIN ] = "TOK_BIN",
+ [TOK_INCLUDE] = "TOK_INCLUDE",
+ [TOK_STRUCT ] = "TOK_STRUCT",
+ [TOK_UNION ] = "TOK_UNION",
+ [TOK_MEMBER ] = "TOK_MEMBER"
+};
+
+static const char *adrmode[] = {
+ [IMM ] = "IMM",
+ [ZM ] = "ZM",
+ [ZMX ] = "ZMX",
+ [ZMY ] = "ZMY",
+ [IND ] = "IND",
+ [INDX ] = "INDX",
+ [INDY ] = "INDY",
+ [ABS ] = "ABS",
+ [REL ] = "REL",
+ [BREG ] = "BREG",
+ [IMPL ] = "IMPL",
+ [ABSX ] = "ABSX",
+ [ABSY ] = "ABSY",
+ [AIND ] = "AIND",
+ [AINDX] = "AINDX",
+ [AINDY] = "AINDY",
+ [EIND ] = "EIND"
+/* [ZMR ] = "ZMR",
+ [ZINDR] = "ZINDR",
+ [ZRIND] = "ZRIND",
+ [AINDR] = "AINDR",
+ [AINDY] = "ARIND",*/
+};
+
+static const char *mne[OPNUM] = {
+ [ADC] = "ADC",
+ [AND] = "AND",
+ [ASR] = "ASR",
+ [BCC] = "BCC",
+ [BCS] = "BCS",
+ [BEQ] = "BEQ",
+ [BNE] = "BNE",
+ [BNG] = "BNG",
+ [BPO] = "BPO",
+ [BRA] = "BRA",
+ [BRK] = "BRK",
+ [BVC] = "BVC",
+ [BVS] = "BVS",
+ [CLC] = "CLC",
+ [CLI] = "CLI",
+ [CLV] = "CLV",
+ [CMP] = "CMP",
+ [CPB] = "CPB",
+ [CPS] = "CPS",
+ [CPX] = "CPX",
+ [CPY] = "CPY",
+ [DEB] = "DEB",
+ [DEC] = "DEC",
+ [DEX] = "DEX",
+ [DEY] = "DEY",
+ [DIV] = "DIV",
+ [INB] = "INB",
+ [INC] = "INC",
+ [INX] = "INX",
+ [INY] = "INY",
+ [JMP] = "JMP",
+ [JSR] = "JSR",
+ [LDA] = "LDA",
+ [LDB] = "LDB",
+ [LDX] = "LDX",
+ [LDY] = "LDY",
+ [LSL] = "LSL",
+ [LSR] = "LSR",
+ [MUL] = "MUL",
+ [NOP] = "NOP",
+ [ORA] = "ORA",
+ [PHA] = "PHA",
+ [PHB] = "PHB",
+ [PHP] = "PHP",
+ [PHX] = "PHX",
+ [PHY] = "PHY",
+ [PLA] = "PLA",
+ [PLB] = "PLB",
+ [PLP] = "PLP",
+ [PLX] = "PLX",
+ [PLY] = "PLY",
+ [ROL] = "ROL",
+ [ROR] = "ROR",
+ [RTI] = "RTI",
+ [RTS] = "RTS",
+ [SBC] = "SBC",
+ [SEC] = "SEC",
+ [SEI] = "SEI",
+ [STA] = "STA",
+ [STB] = "STB",
+ [STX] = "STX",
+ [STY] = "STY",
+ [TAB] = "TAB",
+ [TAX] = "TAX",
+ [TAY] = "TAY",
+ [TBA] = "TBA",
+ [TSX] = "TSX",
+ [TXA] = "TXA",
+ [TXS] = "TXS",
+ [TXY] = "TXY",
+ [TYA] = "TYA",
+ [TYX] = "TYX",
+ [WAI] = "WAI",
+ [XOR] = "XOR"
+};
+
+static const char *ext_mne[EXT_OPNUM] = {
+ [LEA] = "LEA",
+ [PEA] = "PEA",
+ [ADD] = "ADD",
+ [SUB] = "SUB",
+ [ADE] = "ADE",
+ [SBE] = "SBE",
+ [ADS] = "ADS",
+ [SBS] = "SBS",
+ [NOT] = "NOT",
+ [LLM] = "LLM",
+ [LRM] = "LRM",
+ [RLM] = "RLM",
+ [RRM] = "RRM",
+ [ARM] = "ARM",
+ [PHE] = "PHE",
+ [PLE] = "PLE",
+ [CPE] = "CPE",
+ [ICE] = "ICE",
+ [LDS] = "LDS",
+ [DEE] = "DEE",
+ [INE] = "INE",
+ [DES] = "DES",
+ [INS] = "INS",
+ [STS] = "STS",
+ [STE] = "STE",
+ [STZ] = "STZ",
+ [SCO] = "SCO",
+ [ECO] = "ECO",
+ [CLZ] = "CLZ",
+ [CLO] = "CLO",
+ [BIT] = "BIT",
+ [MMV] = "MMV",
+ [SWP] = "SWP",
+ [PCN] = "PCN",
+ [REP] = "REP",
+ [REQ] = "REQ",
+ [RNE] = "RNE",
+ [LNG] = "LNG",
+ [LPO] = "LPO",
+ [LCS] = "LCS",
+ [LCC] = "LCC",
+ [LEQ] = "LEQ",
+ [LNE] = "LNE",
+ [SNG] = "SNG",
+ [SPO] = "SPO",
+ [SCS] = "SCS",
+ [SCC] = "SCC",
+ [SEQ] = "SEQ",
+ [SNE] = "SNE"
+};
+
+static const char *ortho_mne[ORTHO_OPNUM] = {
+ [MNG] = "MNG",
+ [MPO] = "MPO",
+ [MCS] = "MCS",
+ [MCC] = "MCC",
+ [MEQ] = "MEQ",
+ [MNE] = "MNE",
+ [MVS] = "MVS",
+ [MVC] = "MVC",
+ [OR ] = "OR",
+ [MOV] = "MOV",
+ [IML] = "IML",
+ [IDV] = "IDV",
+ [PSH] = "PSH",
+ [PUL] = "PUL",
+ [NEG] = "NEG",
+ [SET] = "SET"
+};
+
+static const char *set_cc[8] = {
+ "NG",
+ "PO",
+ "CS",
+ "CC",
+ "EQ",
+ "NE",
+ "VS",
+ "VC"
+};
+
+static const char *instdesc[OPNUM] = {
+ [ADC] = "ADd accumulator, with operand, Carry if needed.",
+ [AND] = "Bitwise AND accumulator, with operand.",
+ [ASR] = "Arithmetic Shift Right accumulator, with operand.",
+ [BCC] = "Branch if the Carry flag has been Cleared.",
+ [BCS] = "Branch if the Carry flag is Set.",
+ [BEQ] = "Branch if EQual (the zero flag has been set).",
+ [BNE] = "Branch if Not Equal (the zero flag has been cleared)",
+ [BNG] = "Branch if NeGative.",
+ [BPO] = "Branch if POsitive.",
+ [BRA] = "BRanch Always.",
+ [BRK] = "BReaKpoint",
+ [BVC] = "Branch if the oVerflow flag has been Cleared.",
+ [BVS] = "Branch if the oVerflow flag is Set.",
+ [CLC] = "CLear the Carry flag.",
+ [CLI] = "CLear the Interrupt flag.",
+ [CLV] = "CLear the oVerflow flag.",
+ [CMP] = "CoMPare acumulator, with operand.",
+ [CPB] = "ComPare the B register, with operand.",
+ [CPS] = "Clears the Processor Status register.",
+ [CPX] = "ComPare the X register, with operand.",
+ [CPY] = "ComPare the Y register, with operand.",
+ [DEB] = "DEcrement the B register.",
+ [DEC] = "DECrement accumulator, or memory.",
+ [DEX] = "DEcrement the X register.",
+ [DEY] = "DEcrement the Y register.",
+ [DIV] = "DIVide accumulator, with operand, and put the remainder into the B register.",
+ [INB] = "INcrement the B register.",
+ [INC] = "INCrement accumulator, or memory.",
+ [INX] = "INcrement the X register.",
+ [INY] = "INcrement the Y register.",
+ [JMP] = "JuMP to the address specified.",
+ [JSR] = "Jump to a SubRoutine.",
+ [LDA] = "LoaD the value from the operand, to the Accumulator.",
+ [LDB] = "LoaD the value from the operand, to the B register.",
+ [LDX] = "LoaD the value from the operand, to the X register.",
+ [LDY] = "LoaD the value from the operand, to the Y register.",
+ [LSL] = "Logical Shift Left accumulator, with operand.",
+ [LSR] = "Logical Shift Right accumulator, with operand.",
+ [MUL] = "MULtiply accumulator, with operand.",
+ [NOP] = "NO oPeration",
+ [ORA] = "Bitwise OR Accumulator, with operand.",
+ [PHA] = "PusH the number of bytes specified, from the Accumulator to the stack.",
+ [PHB] = "PusH the number of bytes specified, from the B register to the stack.",
+ [PHP] = "PusH the number of bytes specified, from the Processor status register to the stack.",
+ [PHX] = "PusH the number of bytes specified, from the X register to the stack.",
+ [PHY] = "PusH the number of bytes specified, from the Y register to the stack.",
+ [PLA] = "PuLl the number of bytes specified, from the stack, to the Accumulator.",
+ [PLB] = "PuLl the number of bytes specified, from the stack, to the B register.",
+ [PLP] = "PuLl the number of bytes specified, from the stack, to the Processor status register.",
+ [PLX] = "PuLl the number of bytes specified, from the stack, to the X register.",
+ [PLY] = "PuLl the number of bytes specified, from the stack, to the Y register.",
+ [ROL] = "ROtate Left accumulator, with operand.",
+ [ROR] = "ROtate Right accumulator, with operand.",
+ [RTI] = "ReTurn from an Interrupt.",
+ [RTS] = "ReTurn from a Subroutine.",
+ [SBC] = "SuBtract accumulator, with operand, Carry if needed",
+ [SEC] = "SEt the Carry flag.",
+ [SEI] = "SEt the Interrupt flag.",
+ [STA] = "STore the value from the Accumulator, in memory.",
+ [STB] = "STore the value from the B register, in memory.",
+ [STX] = "STore the value from the X register, in memory.",
+ [STY] = "STore the value from the Y register, in memory.",
+ [TAB] = "Transfer the value from the Accumulator, to the B register.",
+ [TAX] = "Transfer the value from the Accumulator, to the X register.",
+ [TAY] = "Transfer the value from the Accumulator, to the Y register.",
+ [TBA] = "Transfer the value from the Y register, to the Accumulator.",
+ [TSX] = "Transfer the value from the Stack pointer, to the X register.",
+ [TXA] = "Transfer the value from the X register, to the Accumulator.",
+ [TXS] = "Transfer the value from the X register, to the Stack pointer.",
+ [TXY] = "Transfer the value from the X register, to the Y register.",
+ [TYA] = "Transfer the value from the Y register, to the Accumulator.",
+ [TYX] = "Transfer the value from the Y register, to the X register.",
+ [WAI] = "WAIt for an interrupt",
+ [XOR] = "Bitwise XOR Accumulator, with operand."
+};
+
+static const uint8_t bitsize[4] = {
+ [0] = 0x07,
+ [1] = 0x0F,
+ [2] = 0x1F,
+ [3] = 0x3F
+};
+
+static const uint8_t amp[8] = {
+ [0] = 0x00,
+ [1] = 0x00,
+ [2] = 0x07,
+ [4] = 0x07,
+ [5] = 0x0B,
+ [6] = 0x0B,
+ [3] = 0x0F,
+ [7] = 0x0F
+};
+
+
+extern uint16_t linenum;
+extern uint16_t lineidx;
+extern uint16_t stridx;
+extern uint16_t comidx;
+extern uint16_t inc_file; /* Number of included files. */
+extern uint16_t inc_count;
+
+struct bc {
+ uint64_t progsize;
+ uint64_t datasize;
+};
+
+typedef struct bc bytecount;
+
+extern uint8_t defined;
+extern uint8_t isfixup;
+
+extern line *find_line(uint32_t ln, uint8_t dbg);
+extern uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg);
+
+extern uint64_t get_val(token *t, uint64_t addr, uint8_t size, uint8_t dbg);
+extern token *skip_expr(token *t, uint8_t dbg);
+extern uint64_t parse_tokens(token *tm, line **l, bytecount *bc, uint8_t isasm, uint64_t address, uint8_t dbg);
+extern token *make_token(uint8_t id, uint8_t type, uint8_t space, uint8_t tab, uint64_t value, char *str, symbol *s);
+extern void assemble(line *ln, bytecount *bc, uint8_t dbg);
+extern void fix_symtree(line *l);
+extern void cleanup();
diff --git a/lexer/backup/asmmon.h b/lexer/backup/asmmon.h
new file mode 100644
index 0000000..430d37c
--- /dev/null
+++ b/lexer/backup/asmmon.h
@@ -0,0 +1,794 @@
+#include "opcode.h"
+#include <ctype.h>
+#include <string.h>
+
+#define MAX_TOK 0x1000
+
+typedef struct tok token ;
+typedef struct ln line ;
+typedef struct sym symbol ;
+typedef struct fix fixup ;
+typedef struct inst instruction ;
+typedef struct op operand ;
+
+
+struct tok {
+ token *next; /* Pointer to the next token. */
+ uint8_t id; /* Token ID. */
+ uint8_t type; /* Token type ID. */
+
+ uint8_t tab; /* Number of tabs. */
+ uint8_t space; /* Number of spaces. */
+
+ uint8_t subtab; /* Number of sub-token tabs. */
+ uint8_t subspace; /* Number of sub-token spaces. */
+
+ uint8_t digits; /* Number of digits. */
+
+ /* Token value(s). */
+ union {
+ symbol *sym;
+ char *str;
+ uint8_t byte ;
+ uint16_t word ;
+ uint32_t dword;
+ uint64_t qword;
+ };
+};
+
+struct ln {
+ line *next; /* Pointer to the next line. */
+ token *tok; /* The token(s) for this line. */
+ uint16_t count; /* Total tokens for this line. */
+ uint16_t bline; /* Number of blank lines. */
+ uint32_t linenum; /* Line number. */
+ uint64_t addr; /* The address of this line. */
+};
+
+
+
+struct fix {
+ fixup *next;
+ symbol *s;
+ token *t;
+ uint64_t adr;
+};
+
+struct sym {
+ symbol *next;
+ symbol *prev;
+ symbol *down;
+ symbol *up;
+ uint16_t count;
+ uint64_t val;
+ uint8_t isstruct : 1;
+ uint8_t isanon : 1;
+ uint8_t def : 1;
+ char *name;
+ uint16_t id;
+};
+
+struct inst {
+ uint32_t am; /* Addressing modes. */
+ uint8_t op; /* Base value used to get the actual opcode. */
+};
+
+struct op {
+ uint8_t type; /* Operand Type. 0 = register, 1 = memory. */
+ uint8_t id; /* Operand Type ID 1. 4 bits. */
+ uint8_t id2[2]; /* Operand Type ID 2. 16 bits. */
+ uint64_t value; /* Value of operand (used only by memory operands). */
+};
+
+
+extern char lexeme[];
+extern char *string[];
+extern char *comment[];
+extern uint16_t incl[];
+extern line *lines;
+extern line *last_line;
+extern token *tokens;
+extern token *last_tok;
+extern symbol *symbols;
+extern symbol *last_sym;
+extern symbol *locals;
+extern symbol *last_loc;
+extern fixup *fixups;
+extern fixup *last_fix;
+
+extern uint8_t lex_type;
+
+enum dir {
+ DIR_ORG,
+ DIR_BYTE,
+ DIR_WORD,
+ DIR_DWORD,
+ DIR_QWORD,
+ DIR_INCLUDE,
+ DIR_RES,
+ DIR_STRUCT,
+ DIR_UNION,
+ DIR_ENDSTRUCT,
+ DIR_ENDUNION
+};
+
+enum token {
+ TOK_DIR,
+ TOK_LOCAL,
+ TOK_LABEL,
+ TOK_SYM,
+ TOK_EXPR,
+ TOK_CSV,
+ TOK_STRING,
+ TOK_CHAR,
+ TOK_IND,
+ TOK_IMM,
+ TOK_BREG,
+ TOK_OPCODE,
+ TOK_EXTOP,
+ TOK_ORTHO,
+ TOK_REG,
+ TOK_MEM,
+ TOK_CC,
+ TOK_RS,
+ TOK_OF,
+ TOK_COMMENT,
+ TOK_HEX,
+ TOK_DEC,
+ TOK_BIN,
+ TOK_INCLUDE,
+ TOK_STRUCT,
+ TOK_UNION,
+ TOK_MEMBER
+
+};
+
+enum pre_token {
+ PTOK_DOT,
+ PTOK_AT,
+ PTOK_COLON,
+ PTOK_EQU,
+ PTOK_PLUS,
+ PTOK_MINUS,
+ PTOK_GT,
+ PTOK_LT,
+ PTOK_PIPE,
+ PTOK_LBRACK,
+ PTOK_RBRACK,
+ PTOK_COMMA,
+ PTOK_B,
+ PTOK_E,
+ PTOK_X,
+ PTOK_Y,
+ PTOK_S,
+ PTOK_P,
+ PTOK_A,
+ PTOK_C,
+ PTOK_D,
+ PTOK_F,
+ PTOK_R,
+ PTOK_DQUOTE,
+ PTOK_SQUOTE,
+ PTOK_HASH,
+ PTOK_SCOLON,
+ PTOK_DOLLAR,
+ PTOK_PERCENT,
+ PTOK_NUMBER,
+ PTOK_ALPHA,
+ PTOK_OTHER
+};
+
+enum expr {
+ EXPR_PLUS,
+ EXPR_MINUS,
+ EXPR_LOW,
+ EXPR_HIGH,
+ EXPR_OR,
+ EXPR_LSHFT,
+ EXPR_RSHFT,
+ EXPR_NONE
+};
+
+enum addrmode {
+ AM_IMM = (1 << 0),
+ AM_ZM = (1 << 1),
+ AM_ZMX = (1 << 2),
+ AM_ZMY = (1 << 3),
+ AM_IND = (1 << 4),
+ AM_INDX = (1 << 5),
+ AM_INDY = (1 << 6),
+ AM_ABS = (1 << 7),
+ AM_REL = (1 << 8),
+ AM_BREG = (1 << 9),
+ AM_IMPL = (1 << 10),
+ AM_INDX2 = (1 << 11),
+ AM_ZM2 = (1 << 12),
+ AM_EIND = (1 << 13),
+ AM_EIND2 = (1 << 14),
+ AM_ABY = (1 << 15),
+ AM_ABX = (1 << 16),
+ AM_AIND = (1 << 17),
+ AM_AINDY = (1 << 18),
+ AM_AINDX = (1 << 19),
+ AM_ORTHO = (1 << 20),
+ AM_ORTHO2 = (1 << 21)
+};
+
+enum ind {
+ CMP_IND = 0,
+ CMP_IDY = 1,
+ CMP_IDX = 2,
+ CPB_IND = 3,
+ CPB_IDY = 4,
+ CPB_IDX = 5,
+ JMP_IND = 6,
+ JSR_IND = 7,
+ LDA_IND = 8,
+ LDA_IDY = 9,
+ LDB_IND = 10,
+ LDB_IDY = 11,
+ LDX_IND = 12,
+ LDY_IND = 13,
+ STA_IND = 14,
+ STA_IDY = 15,
+ STB_IND = 16,
+ STB_IDY = 17,
+ STX_IND = 18,
+ STY_IND = 19
+};
+
+enum eind {
+ DEC_EIND,
+ INC_EIND,
+ STY_EIND,
+ STA_EIND,
+ STB_EIND,
+ LDX_EIND,
+ STX_EIND,
+ CPB_EIND,
+ CPX_EIND,
+ CPY_EIND
+};
+
+static const uint8_t ind_ops[20] = {
+ [CMP_IND] = CMP_IN,
+ [CMP_IDY] = CMP_IY,
+ [CMP_IDX] = CMP_IX,
+ [CPB_IND] = CPB_IN,
+ [CPB_IDY] = CPB_IY,
+ [CPB_IDX] = CPB_IX,
+ [JMP_IND] = JMP_IN,
+ [JSR_IND] = JSR_IN,
+ [LDA_IND] = LDA_IN,
+ [LDA_IDY] = LDA_IY,
+ [LDB_IND] = LDB_IN,
+ [LDB_IDY] = LDB_IY,
+ [LDX_IND] = LDX_IN,
+ [LDY_IND] = LDY_IN,
+ [STA_IND] = STA_IN,
+ [STA_IDY] = STA_IY,
+ [STB_IND] = STB_IN,
+ [STB_IDY] = STB_IY,
+ [STX_IND] = STX_IN,
+ [STY_IND] = STY_IN
+};
+
+static const uint8_t eind_base_ops[10] = {
+ [DEC_EIND] = DEC_E,
+ [INC_EIND] = INC_E,
+ [STY_EIND] = STY_E,
+ [STA_EIND] = STA_E,
+ [STB_EIND] = STB_E,
+ [LDX_EIND] = LDX_E,
+ [STX_EIND] = STX_E,
+ [CPB_EIND] = CPB_E,
+ [CPX_EIND] = CPX_E,
+ [CPY_EIND] = CPY_E
+};
+
+static const instruction inst[OPNUM] = {
+ [ADC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x01},
+ [AND] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x41},
+ [ASR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x62},
+ [BCC] = {(AM_REL), 0xA0},
+ [BCS] = {(AM_REL), 0x90},
+ [BEQ] = {(AM_REL), 0xB0},
+ [BNE] = {(AM_REL), 0xC0},
+ [BNG] = {(AM_REL), 0x80},
+ [BPO] = {(AM_REL), 0x70},
+ [BRA] = {(AM_REL), 0xF0},
+ [BRK] = {(AM_IMPL), 0x69},
+ [BVC] = {(AM_REL), 0xE0},
+ [BVS] = {(AM_REL), 0xD0},
+ [CLC] = {(AM_IMPL), 0x09},
+ [CLI] = {(AM_IMPL), 0x29},
+ [CLV] = {(AM_IMPL), 0x49},
+ [CMP] = {(AM_IMM|AM_ZM|AM_IND|AM_INDY|AM_ABS|AM_BREG|AM_INDX2|AM_EIND|AM_ORTHO), 0x82},
+ [CPB] = {(AM_IMM|AM_ZM|AM_IND|AM_INDY|AM_ABS|AM_INDX2|AM_EIND2), 0x04},
+ [CPS] = {(AM_IMPL), 0x00},
+ [CPX] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x24},
+ [CPY] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x44},
+ [DEB] = {(AM_IMPL), 0x99},
+ [DEC] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND2|AM_ORTHO2), 0x84},
+ [DEX] = {(AM_IMPL), 0xB9},
+ [DEY] = {(AM_IMPL), 0x79},
+ [DIV] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x42},
+ [INB] = {(AM_IMPL), 0xA9},
+ [INC] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND2|AM_ORTHO2), 0xA4},
+ [INX] = {(AM_IMPL), 0xC9},
+ [INY] = {(AM_IMPL), 0x89},
+ [JMP] = {(AM_ABS|AM_IND|AM_ZM2|AM_EIND), 0x00},
+ [JSR] = {(AM_ABS|AM_IND|AM_ZM2|AM_EIND), 0x20},
+ [LDA] = {(AM_IMM|AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND), 0xC2},
+ [LDB] = {(AM_IMM|AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND), 0xE2},
+ [LDX] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x64},
+ [LDY] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS|AM_EIND), 0xA2},
+ [LSL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0xA1},
+ [LSR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0xC1},
+ [MUL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x22},
+ [NOP] = {(AM_IMPL), 0xEA},
+ [ORA] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x61},
+ [PHA] = {(AM_IMPL), 0x8E},
+ [PHB] = {(AM_IMPL), 0xAE},
+ [PHP] = {(AM_IMPL), 0x6E},
+ [PHX] = {(AM_IMPL), 0xEE},
+ [PHY] = {(AM_IMPL), 0xCE},
+ [PLA] = {(AM_IMPL), 0x9E},
+ [PLB] = {(AM_IMPL), 0xBE},
+ [PLP] = {(AM_IMPL), 0x7E},
+ [PLX] = {(AM_IMPL), 0xFE},
+ [PLY] = {(AM_IMPL), 0xDE},
+ [ROL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0xE1},
+ [ROR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x02},
+ [RTI] = {(AM_IMPL), 0x60},
+ [RTS] = {(AM_IMPL), 0x50},
+ [SBC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x21},
+ [SEC] = {(AM_IMPL), 0x19},
+ [SEI] = {(AM_IMPL), 0x39},
+ [STA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND2), 0x28},
+ [STB] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_EIND2), 0x48},
+ [STX] = {(AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x68},
+ [STY] = {(AM_ZM|AM_IND|AM_ABS|AM_EIND2), 0x08},
+ [TAB] = {(AM_IMPL), 0x0A},
+ [TAX] = {(AM_IMPL), 0x4A},
+ [TAY] = {(AM_IMPL), 0x2A},
+ [TBA] = {(AM_IMPL), 0x1A},
+ [TSX] = {(AM_IMPL), 0x8A},
+ [TXA] = {(AM_IMPL), 0x5A},
+ [TXS] = {(AM_IMPL), 0x9A},
+ [TXY] = {(AM_IMPL), 0x7A},
+ [TYA] = {(AM_IMPL), 0x3A},
+ [TYX] = {(AM_IMPL), 0x6A},
+ [WAI] = {(AM_IMPL), 0x59},
+ [XOR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND|AM_ORTHO), 0x81}
+};
+
+static const instruction ext_inst[EXT_OPNUM] = {
+ [LEA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_ABX|AM_ABY|AM_AIND|AM_AINDX|AM_AINDY|AM_ORTHO), 0x03},
+ [PEA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS|AM_ABX|AM_ABY|AM_AIND|AM_AINDX|AM_AINDY|AM_ORTHO2), 0x23},
+ [ADD] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO), 0x06},
+ [SUB] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO), 0x26},
+ [ADE] = {(AM_IMM|AM_ZM|AM_ABS), 0x46},
+ [SBE] = {(AM_IMM|AM_ZM|AM_ABS), 0x66},
+ [ADS] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x86},
+ [SBS] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0xA6},
+ [NOT] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0xC6},
+ [LLM] = {(AM_ZM|AM_ABS|AM_EIND), 0x48},
+ [LRM] = {(AM_ZM|AM_ABS|AM_EIND), 0x68},
+ [RLM] = {(AM_ZM|AM_ABS|AM_EIND), 0x88},
+ [RRM] = {(AM_ZM|AM_ABS|AM_EIND), 0xA8},
+ [ARM] = {(AM_ZM|AM_ABS|AM_EIND), 0xC8},
+ [PHE] = {(AM_IMPL), 0x6B},
+ [PLE] = {(AM_IMPL), 0x7B},
+ [CPE] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x08},
+ [ICE] = {(AM_ZM|AM_ABS|AM_EIND), 0x28},
+ [LDS] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x40},
+ [DEE] = {(AM_IMPL), 0x8B},
+ [INE] = {(AM_IMPL), 0x9B},
+ [DES] = {(AM_IMPL), 0xAB},
+ [INS] = {(AM_IMPL), 0xBB},
+ [STS] = {(AM_ZM|AM_ABS|AM_EIND), 0xA0},
+ [STE] = {(AM_ZM|AM_ABS), 0xC0},
+ [STZ] = {(AM_ZM|AM_ABS|AM_EIND), 0xE0},
+ [SCO] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x60},
+ [ECO] = {(AM_ZM|AM_ABS|AM_EIND), 0x80},
+ [CLZ] = {(AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0x05},
+ [CLO] = {(AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0x25},
+ [BIT] = {(AM_ZM|AM_ABS|AM_EIND), 0x45},
+ [MMV] = {(AM_IMPL), 0xCB},
+ [SWP] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND|AM_ORTHO2), 0xE6},
+ [PCN] = {(AM_ZM|AM_ABS|AM_EIND|AM_ORTHO), 0xE8},
+ [REP] = {(AM_REL), 0xBD},
+ [REQ] = {(AM_REL), 0xCD},
+ [RNE] = {(AM_REL), 0xDD},
+ [LNG] = {(AM_IMM|AM_EIND2), 0x0D},
+ [LPO] = {(AM_IMM|AM_EIND2), 0x2D},
+ [LCS] = {(AM_IMM|AM_EIND2), 0x4D},
+ [LCC] = {(AM_IMM|AM_EIND2), 0x6D},
+ [LEQ] = {(AM_IMM|AM_EIND2), 0x8D},
+ [LNE] = {(AM_IMM|AM_EIND2), 0xAD},
+ [SNG] = {(AM_EIND2), 0x1D},
+ [SPO] = {(AM_EIND2), 0x3D},
+ [SCS] = {(AM_EIND2), 0x5D},
+ [SCC] = {(AM_EIND2), 0x7D},
+ [SEQ] = {(AM_EIND2), 0x9D},
+ [SNE] = {(AM_EIND2), 0xBD}
+};
+
+static const instruction ortho_inst[ORTHO_OPNUM] = {
+ [MNG] = {(AM_ORTHO), 0x00},
+ [MPO] = {(AM_ORTHO), 0x20},
+ [MCS] = {(AM_ORTHO), 0x40},
+ [MCC] = {(AM_ORTHO), 0x60},
+ [MEQ] = {(AM_ORTHO), 0x80},
+ [MNE] = {(AM_ORTHO), 0xA0},
+ [MVS] = {(AM_ORTHO), 0xC0},
+ [MVC] = {(AM_ORTHO), 0xE0},
+ [OR ] = {(AM_ORTHO), 0x61},
+ [MOV] = {(AM_ORTHO), 0xA2},
+ [IML] = {(AM_ORTHO), 0xC2},
+ [IDV] = {(AM_ORTHO), 0xE2},
+ [PSH] = {(AM_ORTHO2), 0x04},
+ [PUL] = {(AM_ORTHO2), 0x24},
+ [NEG] = {(AM_ORTHO2), 0x64},
+ [SET] = {(AM_ORTHO2), 0x05}
+};
+
+static const char *dir_t[11] = {
+ [ 0] = "org",
+ [ 1] = "byte",
+ [ 2] = "word",
+ [ 3] = "dword",
+ [ 4] = "qword",
+ [ 5] = "include",
+ [ 6] = "res",
+ [ 7] = "struct",
+ [ 8] = "union",
+ [ 9] = "endstruct",
+ [10] = "endunion"
+};
+
+static const char *rs_t[4] = {
+ [0] = "",
+ [1] = ".w",
+ [2] = ".d",
+ [3] = ".q"
+};
+
+static const char *lex_tok[] = {
+ [TOK_DIR ] = "TOK_DIR",
+ [TOK_LOCAL ] = "TOK_LOCAL",
+ [TOK_LABEL ] = "TOK_LABEL",
+ [TOK_SYM ] = "TOK_SYM",
+ [TOK_EXPR ] = "TOK_EXPR",
+ [TOK_CSV ] = "TOK_CSV",
+ [TOK_STRING ] = "TOK_STRING",
+ [TOK_CHAR ] = "TOK_CHAR",
+ [TOK_IND ] = "TOK_IND",
+ [TOK_IMM ] = "TOK_IMM",
+ [TOK_BREG ] = "TOK_BREG",
+ [TOK_OPCODE ] = "TOK_OPCODE",
+ [TOK_EXTOP ] = "TOK_EXTOP",
+ [TOK_ORTHO ] = "TOK_ORTHO",
+ [TOK_REG ] = "TOK_REG",
+ [TOK_MEM ] = "TOK_MEM",
+ [TOK_CC ] = "TOK_CC",
+ [TOK_RS ] = "TOK_RS",
+ [TOK_OF ] = "TOK_OF",
+ [TOK_COMMENT] = "TOK_COMMENT",
+ [TOK_HEX ] = "TOK_HEX",
+ [TOK_DEC ] = "TOK_DEC",
+ [TOK_BIN ] = "TOK_BIN",
+ [TOK_INCLUDE] = "TOK_INCLUDE",
+ [TOK_STRUCT ] = "TOK_STRUCT",
+ [TOK_UNION ] = "TOK_UNION",
+ [TOK_MEMBER ] = "TOK_MEMBER"
+};
+
+static const char *adrmode[] = {
+ [IMM ] = "IMM",
+ [ZM ] = "ZM",
+ [ZMX ] = "ZMX",
+ [ZMY ] = "ZMY",
+ [IND ] = "IND",
+ [INDX ] = "INDX",
+ [INDY ] = "INDY",
+ [ABS ] = "ABS",
+ [REL ] = "REL",
+ [BREG ] = "BREG",
+ [IMPL ] = "IMPL",
+ [ABSX ] = "ABSX",
+ [ABSY ] = "ABSY",
+ [AIND ] = "AIND",
+ [AINDX] = "AINDX",
+ [AINDY] = "AINDY",
+ [EIND ] = "EIND"
+/* [ZMR ] = "ZMR",
+ [ZINDR] = "ZINDR",
+ [ZRIND] = "ZRIND",
+ [AINDR] = "AINDR",
+ [AINDY] = "ARIND",*/
+};
+
+static const char *mne[OPNUM] = {
+ [ADC] = "ADC",
+ [AND] = "AND",
+ [ASR] = "ASR",
+ [BCC] = "BCC",
+ [BCS] = "BCS",
+ [BEQ] = "BEQ",
+ [BNE] = "BNE",
+ [BNG] = "BNG",
+ [BPO] = "BPO",
+ [BRA] = "BRA",
+ [BRK] = "BRK",
+ [BVC] = "BVC",
+ [BVS] = "BVS",
+ [CLC] = "CLC",
+ [CLI] = "CLI",
+ [CLV] = "CLV",
+ [CMP] = "CMP",
+ [CPB] = "CPB",
+ [CPS] = "CPS",
+ [CPX] = "CPX",
+ [CPY] = "CPY",
+ [DEB] = "DEB",
+ [DEC] = "DEC",
+ [DEX] = "DEX",
+ [DEY] = "DEY",
+ [DIV] = "DIV",
+ [INB] = "INB",
+ [INC] = "INC",
+ [INX] = "INX",
+ [INY] = "INY",
+ [JMP] = "JMP",
+ [JSR] = "JSR",
+ [LDA] = "LDA",
+ [LDB] = "LDB",
+ [LDX] = "LDX",
+ [LDY] = "LDY",
+ [LSL] = "LSL",
+ [LSR] = "LSR",
+ [MUL] = "MUL",
+ [NOP] = "NOP",
+ [ORA] = "ORA",
+ [PHA] = "PHA",
+ [PHB] = "PHB",
+ [PHP] = "PHP",
+ [PHX] = "PHX",
+ [PHY] = "PHY",
+ [PLA] = "PLA",
+ [PLB] = "PLB",
+ [PLP] = "PLP",
+ [PLX] = "PLX",
+ [PLY] = "PLY",
+ [ROL] = "ROL",
+ [ROR] = "ROR",
+ [RTI] = "RTI",
+ [RTS] = "RTS",
+ [SBC] = "SBC",
+ [SEC] = "SEC",
+ [SEI] = "SEI",
+ [STA] = "STA",
+ [STB] = "STB",
+ [STX] = "STX",
+ [STY] = "STY",
+ [TAB] = "TAB",
+ [TAX] = "TAX",
+ [TAY] = "TAY",
+ [TBA] = "TBA",
+ [TSX] = "TSX",
+ [TXA] = "TXA",
+ [TXS] = "TXS",
+ [TXY] = "TXY",
+ [TYA] = "TYA",
+ [TYX] = "TYX",
+ [WAI] = "WAI",
+ [XOR] = "XOR"
+};
+
+static const char *ext_mne[EXT_OPNUM] = {
+ [LEA] = "LEA",
+ [PEA] = "PEA",
+ [ADD] = "ADD",
+ [SUB] = "SUB",
+ [ADE] = "ADE",
+ [SBE] = "SBE",
+ [ADS] = "ADS",
+ [SBS] = "SBS",
+ [NOT] = "NOT",
+ [LLM] = "LLM",
+ [LRM] = "LRM",
+ [RLM] = "RLM",
+ [RRM] = "RRM",
+ [ARM] = "ARM",
+ [PHE] = "PHE",
+ [PLE] = "PLE",
+ [CPE] = "CPE",
+ [ICE] = "ICE",
+ [LDS] = "LDS",
+ [DEE] = "DEE",
+ [INE] = "INE",
+ [DES] = "DES",
+ [INS] = "INS",
+ [STS] = "STS",
+ [STE] = "STE",
+ [STZ] = "STZ",
+ [SCO] = "SCO",
+ [ECO] = "ECO",
+ [CLZ] = "CLZ",
+ [CLO] = "CLO",
+ [BIT] = "BIT",
+ [MMV] = "MMV",
+ [SWP] = "SWP",
+ [PCN] = "PCN",
+ [REP] = "REP",
+ [REQ] = "REQ",
+ [RNE] = "RNE",
+ [LNG] = "LNG",
+ [LPO] = "LPO",
+ [LCS] = "LCS",
+ [LCC] = "LCC",
+ [LEQ] = "LEQ",
+ [LNE] = "LNE",
+ [SNG] = "SNG",
+ [SPO] = "SPO",
+ [SCS] = "SCS",
+ [SCC] = "SCC",
+ [SEQ] = "SEQ",
+ [SNE] = "SNE"
+};
+
+static const char *ortho_mne[ORTHO_OPNUM] = {
+ [MNG] = "MNG",
+ [MPO] = "MPO",
+ [MCS] = "MCS",
+ [MCC] = "MCC",
+ [MEQ] = "MEQ",
+ [MNE] = "MNE",
+ [MVS] = "MVS",
+ [MVC] = "MVC",
+ [OR ] = "OR",
+ [MOV] = "MOV",
+ [IML] = "IML",
+ [IDV] = "IDV",
+ [PSH] = "PSH",
+ [PUL] = "PUL",
+ [NEG] = "NEG",
+ [SET] = "SET"
+};
+
+static const char *set_cc[8] = {
+ "NG",
+ "PO",
+ "CS",
+ "CC",
+ "EQ",
+ "NE",
+ "VS",
+ "VC"
+};
+
+static const char *instdesc[OPNUM] = {
+ [ADC] = "ADd accumulator, with operand, Carry if needed.",
+ [AND] = "Bitwise AND accumulator, with operand.",
+ [ASR] = "Arithmetic Shift Right accumulator, with operand.",
+ [BCC] = "Branch if the Carry flag has been Cleared.",
+ [BCS] = "Branch if the Carry flag is Set.",
+ [BEQ] = "Branch if EQual (the zero flag has been set).",
+ [BNE] = "Branch if Not Equal (the zero flag has been cleared)",
+ [BNG] = "Branch if NeGative.",
+ [BPO] = "Branch if POsitive.",
+ [BRA] = "BRanch Always.",
+ [BRK] = "BReaKpoint",
+ [BVC] = "Branch if the oVerflow flag has been Cleared.",
+ [BVS] = "Branch if the oVerflow flag is Set.",
+ [CLC] = "CLear the Carry flag.",
+ [CLI] = "CLear the Interrupt flag.",
+ [CLV] = "CLear the oVerflow flag.",
+ [CMP] = "CoMPare acumulator, with operand.",
+ [CPB] = "ComPare the B register, with operand.",
+ [CPS] = "Clears the Processor Status register.",
+ [CPX] = "ComPare the X register, with operand.",
+ [CPY] = "ComPare the Y register, with operand.",
+ [DEB] = "DEcrement the B register.",
+ [DEC] = "DECrement accumulator, or memory.",
+ [DEX] = "DEcrement the X register.",
+ [DEY] = "DEcrement the Y register.",
+ [DIV] = "DIVide accumulator, with operand, and put the remainder into the B register.",
+ [INB] = "INcrement the B register.",
+ [INC] = "INCrement accumulator, or memory.",
+ [INX] = "INcrement the X register.",
+ [INY] = "INcrement the Y register.",
+ [JMP] = "JuMP to the address specified.",
+ [JSR] = "Jump to a SubRoutine.",
+ [LDA] = "LoaD the value from the operand, to the Accumulator.",
+ [LDB] = "LoaD the value from the operand, to the B register.",
+ [LDX] = "LoaD the value from the operand, to the X register.",
+ [LDY] = "LoaD the value from the operand, to the Y register.",
+ [LSL] = "Logical Shift Left accumulator, with operand.",
+ [LSR] = "Logical Shift Right accumulator, with operand.",
+ [MUL] = "MULtiply accumulator, with operand.",
+ [NOP] = "NO oPeration",
+ [ORA] = "Bitwise OR Accumulator, with operand.",
+ [PHA] = "PusH the number of bytes specified, from the Accumulator to the stack.",
+ [PHB] = "PusH the number of bytes specified, from the B register to the stack.",
+ [PHP] = "PusH the number of bytes specified, from the Processor status register to the stack.",
+ [PHX] = "PusH the number of bytes specified, from the X register to the stack.",
+ [PHY] = "PusH the number of bytes specified, from the Y register to the stack.",
+ [PLA] = "PuLl the number of bytes specified, from the stack, to the Accumulator.",
+ [PLB] = "PuLl the number of bytes specified, from the stack, to the B register.",
+ [PLP] = "PuLl the number of bytes specified, from the stack, to the Processor status register.",
+ [PLX] = "PuLl the number of bytes specified, from the stack, to the X register.",
+ [PLY] = "PuLl the number of bytes specified, from the stack, to the Y register.",
+ [ROL] = "ROtate Left accumulator, with operand.",
+ [ROR] = "ROtate Right accumulator, with operand.",
+ [RTI] = "ReTurn from an Interrupt.",
+ [RTS] = "ReTurn from a Subroutine.",
+ [SBC] = "SuBtract accumulator, with operand, Carry if needed",
+ [SEC] = "SEt the Carry flag.",
+ [SEI] = "SEt the Interrupt flag.",
+ [STA] = "STore the value from the Accumulator, in memory.",
+ [STB] = "STore the value from the B register, in memory.",
+ [STX] = "STore the value from the X register, in memory.",
+ [STY] = "STore the value from the Y register, in memory.",
+ [TAB] = "Transfer the value from the Accumulator, to the B register.",
+ [TAX] = "Transfer the value from the Accumulator, to the X register.",
+ [TAY] = "Transfer the value from the Accumulator, to the Y register.",
+ [TBA] = "Transfer the value from the Y register, to the Accumulator.",
+ [TSX] = "Transfer the value from the Stack pointer, to the X register.",
+ [TXA] = "Transfer the value from the X register, to the Accumulator.",
+ [TXS] = "Transfer the value from the X register, to the Stack pointer.",
+ [TXY] = "Transfer the value from the X register, to the Y register.",
+ [TYA] = "Transfer the value from the Y register, to the Accumulator.",
+ [TYX] = "Transfer the value from the Y register, to the X register.",
+ [WAI] = "WAIt for an interrupt",
+ [XOR] = "Bitwise XOR Accumulator, with operand."
+};
+
+static const uint8_t bitsize[4] = {
+ [0] = 0x07,
+ [1] = 0x0F,
+ [2] = 0x1F,
+ [3] = 0x3F
+};
+
+static const uint8_t amp[8] = {
+ [0] = 0x00,
+ [1] = 0x00,
+ [2] = 0x07,
+ [4] = 0x07,
+ [5] = 0x0B,
+ [6] = 0x0B,
+ [3] = 0x0F,
+ [7] = 0x0F
+};
+
+
+extern uint16_t linenum;
+extern uint16_t lineidx;
+extern uint16_t stridx;
+extern uint16_t comidx;
+extern uint16_t inc_file; /* Number of included files. */
+extern uint16_t inc_count;
+
+struct bc {
+ uint64_t progsize;
+ uint64_t datasize;
+};
+
+typedef struct bc bytecount;
+
+extern uint8_t defined;
+extern uint8_t isfixup;
+
+extern line *find_line(uint32_t ln, uint8_t dbg);
+extern uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg);
+
+extern uint64_t get_val(token *t, uint64_t addr, uint8_t size, uint8_t dbg);
+extern token *skip_expr(token *t, uint8_t dbg);
+extern uint64_t parse_tokens(token *tm, line **l, bytecount *bc, uint8_t isasm, uint64_t address, uint8_t dbg);
+extern token *make_token(uint8_t id, uint8_t type, uint8_t space, uint8_t tab, uint64_t value, char *str, symbol *s);
+extern void assemble(line *ln, bytecount *bc, uint8_t dbg);
+extern void fix_symtree(line *l);
+extern void cleanup();
diff --git a/lexer/backup/assemble.c b/lexer/backup/assemble.c
new file mode 100644
index 0000000..28825d1
--- /dev/null
+++ b/lexer/backup/assemble.c
@@ -0,0 +1,975 @@
+#include "asmmon.h"
+
+#define AM_ADDR (AM_ZM | AM_ZMX | AM_ZMY | \
+ AM_IND | AM_INDX | AM_INDY | \
+ AM_ABS | AM_ABX | AM_ABY | \
+ AM_AIND | AM_AINDX | AM_AINDY | \
+ AM_INDX2 | AM_ZM2)
+
+static const uint64_t mem_size = 0x04000000; /* Size of address space. */
+
+token *tok_global;
+
+uint8_t isexpr(uint8_t type, uint8_t dbg) {
+ switch (type) {
+ case EXPR_PLUS:
+ case EXPR_MINUS:
+ case EXPR_LOW:
+ case EXPR_HIGH:
+ case EXPR_OR:
+ case EXPR_LSHFT:
+ case EXPR_RSHFT:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+uint8_t get_rs(token *t, uint8_t dbg) {
+ if (t->id == TOK_RS) {
+ return t->type;
+ } else {
+ return 0xFF;
+ }
+}
+
+uint8_t get_of(token *t, uint8_t dbg) {
+ if (t->id == TOK_OF) {
+ return t->type;
+ } else {
+ return 0xFF;
+ }
+}
+
+uint8_t get_ind(uint8_t mne, uint8_t am, uint8_t dbg) {
+ uint8_t base_idx = 0;
+ uint8_t offset = 0;
+ switch (mne) {
+ case CMP: base_idx = CMP_IND; break;
+ case CPB: base_idx = CPB_IND; break;
+ case JMP: base_idx = JMP_IND; break;
+ case JSR: base_idx = JSR_IND; break;
+ case LDA: base_idx = LDA_IND; break;
+ case LDB: base_idx = LDB_IND; break;
+ case LDX: base_idx = LDX_IND; break;
+ case LDY: base_idx = LDY_IND; break;
+ case STA: base_idx = STA_IND; break;
+ case STB: base_idx = STB_IND; break;
+ case STX: base_idx = STX_IND; break;
+ case STY: base_idx = STY_IND; break;
+ }
+ switch (am) {
+ case IND : offset = 0; break;
+ case INDY: offset += 1; break;
+ case INDX: offset += 2; break;
+ }
+ return base_idx + offset;
+}
+
+uint8_t get_eind(uint8_t mne, uint8_t dbg) {
+ switch (mne) {
+ case DEC: return DEC_EIND;
+ case INC: return INC_EIND;
+ case STY: return STY_EIND;
+ case STA: return STA_EIND;
+ case STB: return STB_EIND;
+ case LDX: return LDX_EIND;
+ case STX: return STX_EIND;
+ case CPB: return CPB_EIND;
+ case CPX: return CPX_EIND;
+ case CPY: return CPY_EIND;
+ }
+ return 0xFF;
+}
+
+static void write_value(uint64_t value, uint64_t address, uint8_t size) {
+ if (address < mem_size) {
+ size = (size > 7) ? 7 : size;
+ #if 1
+ if (size < 7) {
+ uint64_t mask = (-(uint64_t)1 >> ((7 - size) * 8));
+ *(uint64_t *)(addr+address) = (*(uint64_t *)(addr+address) & ~mask) | (value & mask);
+ } else {
+ *(uint64_t *)(addr+address) = value;
+ }
+ #else
+ memcpy(addr+address, &value, size+1);
+ #endif
+ }
+}
+
+uint64_t get_val(token *t, uint64_t addr, uint8_t size, uint8_t end_expr, uint8_t stop_reg, uint8_t dbg) {
+ uint64_t value = 0;
+ uint64_t tmp_val = 0;
+ uint8_t type = EXPR_NONE;
+ uint8_t isstart = 1;
+ do {
+ if (t->id == TOK_EXPR) {
+ type = t->type;
+ t = t->next;
+ }
+ if (stop_reg && t->id == TOK_REG) {
+ break;
+ }
+ switch (t->id) {
+ case TOK_HEX:
+ case TOK_DEC:
+ case TOK_BIN:
+ case TOK_CHAR: tmp_val = t->qword; t = t->next; break;
+ case TOK_SYM:
+ case TOK_LABEL:
+ for (; t->sym && t->sym->isstruct && t->next && t->next->id == TOK_SYM; t = t->next);
+ tmp_val = (t->sym) ? t->sym->val : addr;
+ t = t->next;
+ break;
+ }
+ if (end_expr != 0xFF && type == end_expr) {
+ break;
+ }
+ switch (type) {
+ case EXPR_PLUS : (isstart) ? (value = tmp_val) : (value += tmp_val); break;
+ case EXPR_MINUS: (isstart) ? (value = -tmp_val) : (value -= tmp_val); break;
+ case EXPR_OR : value |= tmp_val; break;
+ case EXPR_LSHFT: value <<= tmp_val; break;
+ case EXPR_RSHFT: value >>= tmp_val; break;
+ case EXPR_LOW :
+ value = tmp_val;
+ switch (size) {
+ default:
+ case 2 : value &= 0xFFFFFFFF; break;
+ case 1 : value &= 0x0000FFFF; break;
+ case 0 : value &= 0x000000FF; break;
+ }
+ break;
+ case EXPR_HIGH :
+ value = tmp_val;
+ switch (size) {
+ default:
+ case 2 : value >>= 0x20; break;
+ case 1 : value >>= 0x10; break;
+ case 0 : value >>= 0x08; break;
+ }
+ break;
+ case EXPR_NONE : value = tmp_val; break;
+ }
+ isstart = 0;
+ if (dbg) {
+ printf("get_val(): Value: $%"PRIX64", Expression type: $%X, Expression Value: $%"PRIX64".\n", value, type, tmp_val);
+ }
+ } while (t && t->id == TOK_EXPR && isexpr(t->type, dbg));
+ return value;
+}
+
+token *skip_expr(token *t, uint8_t end_expr, uint8_t stop_reg, uint8_t dbg) {
+ do {
+ t = (t->id == TOK_EXPR) ? t->next : t;
+ if (stop_reg && t->id == TOK_REG) {
+ break;
+ }
+ switch (t->id) {
+ case TOK_HEX :
+ case TOK_DEC :
+ case TOK_BIN :
+ case TOK_CHAR :
+ case TOK_SYM :
+ case TOK_LABEL: t = t->next; break;
+ }
+ if (end_expr != 0xFF && t->id == TOK_EXPR && t->type == end_expr) {
+ break;
+ }
+ } while (t && t->id == TOK_EXPR && isexpr(t->type, dbg));
+ return t;
+}
+
+
+
+uint8_t get_directivesize(uint8_t type, uint8_t dbg) {
+ switch (type) {
+ case DIR_QWORD: return 3;
+ case DIR_DWORD: return 2;
+ case DIR_WORD : return 1;
+ case DIR_BYTE : return 0;
+ }
+ return 0;
+}
+
+uint16_t handle_struct(line **ln, uint64_t address, uint16_t offset, uint8_t dbg) {
+ uint8_t is_struct = 0;
+ uint8_t done = 0;
+ uint8_t ismember = 0;
+ uint16_t size = 0;
+ uint16_t member_size = 0;
+ line *l = *ln;
+ symbol *strct = NULL;
+ token *tok = l->tok;
+
+ for (uint8_t found = 0; tok && !found; tok = tok->next) {
+ switch (tok->id) {
+ case TOK_DIR:
+ is_struct = (tok->type == DIR_STRUCT);
+ found = (tok->type == DIR_STRUCT || tok->type == DIR_UNION);
+ break;
+ case TOK_STRUCT: is_struct = 1;
+ case TOK_UNION : found = 1; break;
+ }
+ }
+ if (tok != NULL) {
+ strct = tok->sym;
+ }
+
+ if (l && l->next) {
+ l = l->next;
+ }
+
+ for (; l && !done; l = l->next) {
+ token *t = l->tok;
+ token *start = t;
+ symbol *member;
+ for (; t && !done; t = t->next) {
+ switch (t->id) {
+ case TOK_MEMBER: ismember = 1; member = t->sym; break;
+ case TOK_DIR :
+ ismember = (t->type == DIR_STRUCT || t->type == DIR_UNION) ? 1 : ismember;
+ done = ((is_struct && t->type == DIR_ENDSTRUCT) || (!is_struct && t->type == DIR_ENDUNION));
+ if (!done && ismember) {
+ switch (t->type) {
+ case DIR_BYTE : member_size = 1; break;
+ case DIR_WORD : member_size = 2; break;
+ case DIR_DWORD : member_size = 4; break;
+ case DIR_QWORD : member_size = 8; break;
+ case DIR_UNION :
+ case DIR_STRUCT: member_size = handle_struct(&l, address, offset, dbg); break;
+ case DIR_RES : member_size = get_val(t, address, 3, 0xFF, 0, dbg); t = skip_expr(t, 0xFF, 0, dbg); break;
+ }
+ if (member && t->type != DIR_UNION && t->type != DIR_STRUCT) {
+ member->val = offset;
+ }
+ if (is_struct) {
+ size += member_size;
+ offset += member_size;
+ } else if (size < member_size) {
+ size = member_size;
+ }
+ }
+ ismember = 0;
+ break;
+ }
+ }
+ if (done) {
+ break;
+ }
+ }
+ *ln = l;
+ if (strct != NULL) {
+ strct->val = size;
+ }
+ return size;
+}
+
+uint64_t handle_directive(token *t, bytecount *bc, uint8_t isasm, uint64_t address, uint8_t dbg) {
+ union reg val;
+ uint8_t c = 0;
+ uint8_t tmp = 0;
+ uint8_t type = t->type;
+ uint64_t tmpaddr = address;
+ t = t->next;
+ for (; t; t = t->next) {
+ tmp = 0;
+ switch (t->id) {
+ case TOK_HEX:
+ case TOK_DEC:
+ case TOK_BIN:
+ case TOK_CHAR:
+ case TOK_SYM:
+ case TOK_LABEL:
+ val.u64 = get_val(t, tmpaddr, get_directivesize(type, dbg), 0xFF, 0, dbg);
+ switch (type) {
+ case DIR_QWORD: tmp = 8; break;
+ case DIR_DWORD: tmp = 4; break;
+ case DIR_WORD : tmp = 2; break;
+ case DIR_BYTE : tmp = 1; break;
+ }
+ write_value(val.u64, tmpaddr, tmp-1);
+ tmpaddr += tmp;
+ bc->datasize += tmp;
+ if (t->next && t->next->id == TOK_EXPR && isexpr(t->next->type, dbg)) {
+ t = skip_expr(t, 0xFF, 0, dbg);
+ }
+ break;
+ case TOK_STRING:
+ if (type == DIR_BYTE) {
+ for (uint16_t k = 0; t->str[k] != '\0'; k++) {
+ switch (t->str[k]) {
+ case '\\':
+ switch (t->str[k+1]) {
+ case 'n' : c = '\n'; break;
+ case 'r' : c = '\r'; break;
+ case 't' : c = '\t'; break;
+ case '\"': c = '\"'; break;
+ case '\'': c = '\''; break;
+ case '\\': c = '\\'; break;
+ case '0' : c = '\0'; break;
+ }
+ k++;
+ break;
+ default: c = t->str[k]; break;
+ }
+ if (isasm) {
+ addr[tmpaddr] = c;
+ }
+ tmpaddr++;
+ bc->datasize++;
+ }
+ if (isasm) {
+ addr[tmpaddr] = '\0';
+ }
+ tmpaddr++;
+ bc->datasize++;
+ }
+ break;
+ }
+ if (t == NULL) {
+ break;
+ }
+ }
+ return tmpaddr;
+}
+
+static uint8_t write_inst(uint8_t prefix, uint8_t ext_prefix, uint8_t opcode, uint64_t value, uint64_t address, uint8_t size, uint8_t isasm, uint8_t dbg) {
+ uint8_t inst_size = 0;
+ union reg ins;
+ if (prefix & 3) {
+ ins.u8[inst_size++] = prefix;
+ }
+ if ((ext_prefix & 0x0D) == 0x0D) {
+ ins.u8[inst_size++] = ext_prefix;
+ }
+ ins.u8[inst_size++] = opcode;
+ if (isasm) {
+ write_value(ins.u64, address, inst_size-1);
+ if (size) {
+ write_value(value, address+inst_size, size-1);
+ }
+ }
+ inst_size += size;
+ return inst_size;
+}
+
+void get_operands(token *t, operand *op, uint64_t address, uint8_t rs, uint8_t dbg) {
+ uint8_t op_type;
+ uint8_t op_inst;
+ switch (t->id) {
+ case TOK_OPCODE:
+ case TOK_EXTOP :
+ case TOK_ORTHO :
+ op_type = tok->id;
+ op_inst = tok->byte;
+ t = t->next;
+ break;
+ }
+ int i = 0;
+ int old_i = -1;
+ uint8_t expr_type = 0xFF;
+ uint8_t stop_reg = 0;
+ uint64_t value = 0;
+ uint8_t reg = 0;
+ uint8_t got_value = 0;
+ uint8_t is_sib = 0;
+ for (; t; t = t->next) {
+ switch (t->id) {
+ case TOK_HEX :
+ case TOK_DEC :
+ case TOK_BIN :
+ case TOK_SYM :
+ case TOK_LABEL:
+ if (!got_value) {
+ expr_type = (expr_type == 0xFF && t->next && t->next->id == TOK_EXPR) ? t->next->type : expr_type;
+ switch (expr_type) {
+ default : stop_reg = 1; break;
+ case EXPR_MUL : stop_reg = 0; break;
+ }
+ is_sib = !stop_reg;
+ value = get_val(t, address, (rs != 0xFF) ? rs : 0, (!stop_reg) ? expr_type : 0xFF, stop_reg, dbg);
+ got_value = 1;
+ } else {
+ got_value = 0;
+ }
+ /* Falls Through. */
+ case TOK_MEM:
+ if (old_i != i) {
+ op[i].type = 1; /* Set type to memory. */
+ op[i].id = (t->id == TOK_MEM) ? t->type : op[i].id;
+ op[i].id = (is_sib) ? MEM_SIB : op[i].id;
+ op[i].id2[0] = (is_sib) ? value : op[i].id2[0];
+ old_i = i;
+ } else {
+ }
+ op[i].value = (!is_sib && got_value) ? value : op[i].value;
+ if (stop_reg && got_value) {
+ t = skip_expr(t, 0xFF, stop_reg, dgb);
+ }
+ i += (t->next && t->next->id != TOK_EXPR);
+ break;
+ case TOK_REG:
+ if (old_i != i) {
+ op[i].type = 0; /* Set type to register. */
+ op[i].id = t->type;
+ old_i = i;
+ } else {
+ op[i].id = (op[i].id == MEM_IND) ? MEM_RIND : op[i].id;
+ is_sib = (op[i].id == MEM_SIB);
+ op[i].id2[is_sib] = (t->type << (reg*4));
+ reg++;
+ reg = (reg > 1) ? 0 : reg;
+ }
+ i += (t->next && t->next->id != TOK_EXPR);
+ break;
+ case TOK_EXPR:
+ expr_type = t->type;
+ switch (expr_type) {
+ default : stop_reg = 1; break;
+ case EXPR_MUL : stop_reg = 0; break;
+ }
+ if (!got_value) {
+ value = get_val(t, address, (rs != 0xFF) ? rs : 0, (!stop_reg) ? expr_type : 0xFF, stop_reg, dbg);
+ got_value = 1;
+ } else {
+ got_value = 0;
+ }
+ break;
+ }
+ }
+}
+
+uint64_t handle_opcode(token *t, bytecount *bc, uint8_t isasm, uint64_t address, uint8_t dbg) {
+ union reg val;
+ uint8_t opsize;
+ uint8_t id;
+ uint8_t instr;
+ uint8_t opcode;
+ uint8_t ext_prefix = 0;
+ uint8_t type;
+ uint32_t am = 0;
+ uint8_t tmp = 0;
+ uint8_t prefix = 0;
+ uint8_t rs = 0;
+ uint8_t of = 0;
+ uint8_t tmp_prefix = 0;
+ uint8_t inst_size = 0;
+ val.u64 = 0;
+ instruction ins;
+ operand op[2];
+ memset(op, 0xFF, sizeof(op));
+
+ for (; t; t = t->next) {
+ if (t->id == TOK_OPCODE || t->id == TOK_EXTOP) {
+ id = t->id;
+ instr = t->byte;
+ type = t->type;
+ } else {
+ break;
+ }
+ tmp = 0;
+ opsize = 1;
+ opcode = 0;
+ if (t->next) {
+ rs = get_rs(t->next, dbg);
+ t = (rs != 0xFF) ? t->next : t;
+ if (t->next) {
+ of = get_of(t->next, dbg);
+ t = (of != 0xFF) ? t->next : t;
+ }
+ }
+ get_operands(t, op, address, rs, dbg);
+ if (rs != 0xFF || of != 0xFF) {
+ tmp_prefix = (rs != 0xFF) ? (rs << 0) : tmp_prefix;
+ tmp_prefix |= (of != 0xFF) ? (of << 2) : tmp_prefix;
+ }
+ prefix = (tmp_prefix) ? ((tmp_prefix << 4) | 3) : 0;
+ uint8_t isincdec = (instr == INC || instr == DEC);
+ uint8_t isimplied = (op[0].type == 0xFF);
+ switch (id) {
+ case TOK_OPCODE: ins = inst[instr]; break;
+ case TOK_EXTOP : ins = ext_inst[instr]; break;
+ case TOK_ORTHO : ins = ortho_inst[instr]; break;
+ }
+ am = ins.am;
+ uint8_t is_eind = (op[0].type && op[0].id == MEM_RIND && op[0].id2[0] == REG_E);
+ uint8_t is_mem = (op[0].type && op[0].id != MEM_IMM);
+ uint8_t is_idx = (is_mem && !op[1].type && (op[1].id == REG_X || op[1].id == REG_Y));
+ if (id == TOK_EXTOP || (id == TOK_OPCODE && is_eind)) {
+ ext_prefix = 0x0D;
+ } else if (!is_idx) {
+ ext_prefix = 0x1D;
+ }
+ if ((am & AM_IMPL) && isimplied) {
+ type = IMPL;
+ } else {
+ if (ins.am & AM_REL) {
+ type = REL;
+ }
+ }
+ opcode = ins.op;
+ uint64_t saveaddr = address;
+ uint64_t max_val = 0;
+ uint8_t i = 0;
+ uint8_t j = 1;
+ uint8_t type2 = 0xFF;
+
+ switch (type) {
+ case REG_B:
+ case IMPL:
+ case REG_E:
+ if (id == TOK_OPCODE && instr == CPS) {
+ rs = 0;
+ }
+ if ((am & (AM_IMPL|AM_BREG|AM_EIND|AM_EIND2))) {
+ if ((type == EIND) && (am & AM_EIND|AM_EIND2)) {
+ int eind_type = ((am & AM_EIND2) != 0);
+ switch (eind_type) {
+ case 0: opcode = (id == TOK_EXTOP) ? opcode+0x14 : opcode+0x10; break;
+ case 1: opcode = (id == TOK_EXTOP) ? opcode+0x01 : eind_base_ops[get_eind(instr, dbg)]; break;
+ }
+ }
+ opcode = ((am & AM_BREG) && type == BREG) ? opcode+0x14 : opcode;
+ }
+ break;
+ case REL:
+ case IMM:
+ if (am & (AM_IMM|AM_REL|AM_ORTHO|AM_ORTHO2)) {
+ rs = (rs != 0xFF) ? rs : 0;
+ tmp = (1 << rs);
+ if (type == REL) {
+ uint64_t max_sign = 0;
+ uint8_t offset = 1;
+ uint64_t tmp_val;
+ tmp_val = val.u64;
+ offset += (prefix != 0);
+ tmp_val -= offset+tmp;
+ tmp_val -= address;
+ switch (rs) {
+ default: max_sign = (int8_t )(1 << 7); break;
+ case 1 : max_sign = (int16_t)(1 << 15); break;
+ case 2 : max_sign = (int32_t)(1 << 31); break;
+ case 3 : max_sign = (int64_t)((uint64_t)1 << 63); break;
+ }
+ if ((int64_t)tmp_val > ~(int64_t)max_sign || (int64_t)tmp_val < (int64_t)max_sign) {
+ offset += (!rs);
+ rs += (rs <= 3);
+ tmp = (1 << rs);
+ tmp_val = val.u64;
+ tmp_val -= offset+tmp;
+ tmp_val -= address;
+ prefix = ((rs << 4) | 3);
+ }
+ val.u64 = tmp_val;
+ }
+ }
+ break;
+ default:
+ if (of != 0xFF) {
+ i = 8;
+ for (; i <= 64; i += 8, j++) {
+ max_val |= ((uint64_t)1 << (i-1));
+ if ((int64_t)val.u64 >= ~(int64_t)(max_val) || (int64_t)val.u64 <= (int64_t)(max_val)) {
+ opsize = j;
+ break;
+ }
+ }
+ } else {
+ for (; i <= 64; i += 8, j++) {
+ max_val |= (0xFF << i);
+ if (val.u64 <= max_val) {
+ opsize = j;
+ break;
+ }
+ }
+ }
+ type2 = type;
+ if (type == 0xFF || (id == TOK_EXTOP && type2 != 0xFF)) {
+ switch (opsize-1) {
+ case 0: case 2: case 5: case 3: type = ZM ; break;
+ case 1: case 4: case 6: case 7: type = ABS; break;
+ }
+ }
+ switch (type2) {
+ case ZMX : type = (type == ABS) ? ABSX : type2; break;
+ case ZMY : type = (type == ABS) ? ABSY : type2; break;
+ case IND : type = (type == ABS) ? AIND : type2; break;
+ case INDX: type = (type == ABS) ? AINDX : type2; break;
+ case INDY: type = (type == ABS) ? AINDY : type2; break;
+ }
+ if (opsize) {
+ uint8_t is_abs = 0;
+ switch (type) {
+ case ABS :
+ case ABSX :
+ case ABSY :
+ case AIND :
+ case AINDX:
+ case AINDY: is_abs = 1; break;
+
+ }
+ if (!is_abs || (type2 != 0xFF && type == type2)) {
+ switch (opsize) {
+ case 2: opsize = 3; break;
+ case 5: opsize = 6; break;
+ }
+ }
+ prefix |= amp[opsize-1];
+ }
+ if (am & AM_ADDR|AM_ORTHO|AM_ORTHO2) {
+ switch (type) {
+ case ZM:
+ if (am & AM_ZM) {
+ opcode += 0x04;
+ } else if (am & AM_ZM2) {
+ opcode += 0x20;
+ }
+ break;
+ case ZMX:
+ if (am & AM_ZMX) {
+ opcode += (id == TOK_OPCODE) ? 0x06 : 0x54;
+ }
+ break;
+ case ZMY:
+ if (am & AM_ZMY) {
+ opcode += 0x14;
+ }
+ break;
+ case INDX:
+ if (am & AM_INDX) {
+ opcode += (id == TOK_OPCODE) ? 0x16 : 0x94;
+ break;
+ }
+ /* Falls Through. */
+ case IND:
+ case INDY:
+ if ((id == TOK_OPCODE) && (am & (AM_IND|AM_INDY|AM_INDX2))) {
+ opcode = ind_ops[get_ind(instr, type, dbg)];
+ } else {
+ opcode += (type == IND) ? 0x44 : 0x84;
+ }
+ break;
+ case ABS:
+ if (am & AM_ABS) {
+ opcode += 0x10;
+ }
+ break;
+ case ABSX:
+ if (am & AM_ABX) {
+ opcode += 0x50;
+ }
+ break;
+ case ABSY:
+ if (am & AM_ABY) {
+ opcode += 0x00;
+ }
+ break;
+ case AIND:
+ if (am & AM_AIND) {
+ opcode += 0x40;
+ }
+ break;
+ case AINDX:
+ if (am & AM_AINDX) {
+ opcode += 0x90;
+ }
+ break;
+ case AINDY:
+ if (am & AM_AINDY) {
+ opcode += 0x80;
+ }
+ break;
+
+ }
+ tmp = opsize;
+ }
+ break;
+ }
+ inst_size = write_inst(prefix, ext_prefix, opcode, val.u64, address, tmp, isasm, dbg);
+ address += inst_size;
+ bc->progsize += inst_size;
+ }
+ return address;
+}
+
+uint64_t parse_tokens(token *t, line **l, bytecount *bc, uint8_t isasm, uint64_t address, uint8_t dbg) {
+ for (; t; t = t->next) {
+ switch (t->id) {
+ case TOK_DIR:
+ switch (t->type) {
+ case DIR_STRUCT:
+ case DIR_UNION : handle_struct(l, address, 0, dbg); break;
+ case DIR_RES: t = t->next; address += get_val(t, address, 3, 0xFF, 0, dbg); break;
+ case DIR_ORG: t = t->next; address = get_val(t, address, 3, 0xFF, 0, dbg); break;
+ case DIR_BYTE:
+ case DIR_WORD:
+ case DIR_DWORD:
+ case DIR_QWORD: address = handle_directive(t, bc, isasm, address, dbg); break;
+ }
+ break;
+ case TOK_EXTOP :
+ case TOK_OPCODE: address = handle_opcode(t, bc, isasm, address, dbg); break;
+ case TOK_COMMENT: break;
+ }
+ }
+ return address;
+}
+
+token *make_token(uint8_t id, uint8_t type, uint8_t space, uint8_t tab, uint64_t value, char *str, symbol *s) {
+ token *new_tok = malloc(sizeof(token));
+ (last_tok) ? (last_tok->next = new_tok) : (tokens = new_tok);
+
+ new_tok->id = id;
+ new_tok->type = type;
+
+ new_tok->tab = tab;
+ new_tok->space = space;
+
+ new_tok->subtab = 0;
+ new_tok->subspace = 0;
+
+ new_tok->digits = 0;
+
+ if (s) {
+ new_tok->sym = s;
+ } else if (str[0]) {
+ new_tok->str = str;
+ } else {
+ new_tok->qword = value;
+ }
+ new_tok->next = NULL;
+ last_tok = new_tok;
+ return new_tok;
+}
+
+void assemble(line *ln, bytecount *bc, uint8_t dbg) {
+ uint64_t address = 0;
+ line *l = ln;
+ for (int i = 0; i < 2; i++) {
+ l = ln;
+ for (; l; l = l->next) {
+ l->addr = address;
+ token *t = l->tok;
+ address = parse_tokens(t, &l, bc, 0, address, dbg);
+ }
+ l = ln;
+ for (; l; l = l->next) {
+ address = l->addr;
+ token *t = l->tok;
+ for (; t; t = t->next) {
+ if (t->id == TOK_LABEL && t->sym->val != address) {
+ t->sym->val = l->addr;
+ }
+ }
+ }
+ }
+ l = ln;
+ bc->progsize = 0;
+ bc->datasize = 0;
+ for (; l; l = l->next) {
+ address = parse_tokens(l->tok, &l, bc, 1, address, dbg);
+ }
+}
+
+static void find_dupsym() {
+ symbol *root = symbols;
+ symbol *s = symbols;
+ for (; s; s = s->next) {
+ root = symbols;
+ for (int i = 0; root; root = root->next) {
+ if (root == s) {
+ i++;
+ }
+ if (i > 1) {
+ printf("Found duplicate symbol, s->name: %s, root->name: %s\n", s->name, root->name);
+ i = 0;
+ }
+ }
+ }
+}
+
+static symbol *find_fixup(token *t) {
+ fixup* f = fixups;
+ for (; f && t != f->t; f = f->next);
+ return (f && t == f->t) ? f->s : NULL;
+}
+
+
+static void print_symval(symbol *s) {
+ if (s) {
+ if (s->down) {
+ print_symval(s->down);
+ }
+ if (s->name) {
+ printf("s->name: %s, s->val: $%"PRIX64"\n", s->name, s->val);
+ }
+ print_symval(s->next);
+ }
+}
+
+static void print_symtree(symbol *s, int depth) {
+ if (s) {
+ if (s->name != NULL) {
+ for (int i = depth; i; i--) {
+ printf("|%s", (i > 1) ? " " : "--");
+ }
+ printf("%s: $%"PRIX64"\n", s->name, s->val);
+ }
+ if (s->down != NULL) {
+ print_symtree(s->down, depth+1);
+ }
+ print_symtree(s->next, depth);
+ }
+}
+
+void fix_symtree(line *l) {
+ symbol *s = symbols;
+ symbol *cur_sym = NULL;
+ symbol *sym_struct = NULL;
+ symbols = NULL;
+ last_sym = NULL;
+ int islocal = 0;
+ int isanon = 0;
+ int is_struct = 0;
+ int is_structsym = 0;
+ for (; l; l = l->next) {
+ token *t = l->tok;
+ token *lt = NULL;
+ for (; t; t = t->next) {
+ int ismember = (t->id == TOK_MEMBER);
+ switch (t->id) {
+ case TOK_STRUCT:
+ case TOK_UNION : islocal = !(is_struct == 1 && lt && lt->id == TOK_DIR);
+ case TOK_SYM :
+ if (t->id == TOK_SYM && t != l->tok) {
+ break;
+ }
+ case TOK_MEMBER:
+ case TOK_LABEL :
+ if (symbols) {
+ (!islocal && s && !s->up) ? (last_sym = s) : (last_loc = s);
+ }
+ if (((t->type == 1 || ismember) && !islocal) || (islocal && ismember && is_structsym)) {
+ is_structsym = 0;
+ last_loc = NULL;
+ islocal = 1;
+ cur_sym = s;
+ s->down = t->sym;
+ s->down->up = s;
+ s = s->down;
+ if (s) {
+ s->next = NULL;
+ s->prev = NULL;
+ s->down = NULL;
+ }
+ locals = s;
+ } else if ((islocal || t->type == 0)) {
+ if (t->type == 0 && !is_struct && islocal && !ismember) {
+ islocal = 0;
+ if (s) {
+ s->up->down = locals;
+ s = s->up;
+ }
+ }
+ symbol *tmp = s;
+ s = t->sym;
+ if (s) {
+ s->prev = (tmp && tmp != s) ? tmp : NULL;
+ s->up = (s->prev) ? s->prev->up : s->up;
+ }
+ if (s && s->next) {
+ s->next = NULL;
+ }
+ }
+ if (!islocal) {
+ last_loc = NULL;
+ (last_sym) ? (last_sym->next = s) : (symbols = s);
+ cur_sym = s;
+ if (last_sym) {
+ last_sym->next->prev = last_sym;
+ last_sym->next->up = last_sym->up;
+ last_sym->next->down = NULL;
+ }
+ } else {
+ (last_loc) ? (last_loc->next = s) : (locals = s);
+ if (last_loc) {
+ last_loc->next->prev = last_loc;
+ last_loc->next->up = last_loc->up;
+ last_loc->next->down = NULL;
+ } else {
+ locals->prev = NULL;
+ locals->down = NULL;
+ }
+ }
+ break;
+ case TOK_DIR:
+ if (t->type == DIR_STRUCT || t->type == DIR_UNION) {
+ is_struct++;
+ is_structsym = (t->next && (t->next->id == TOK_STRUCT || t->next->id == TOK_UNION));
+ if ((!is_structsym) || (isanon && is_structsym)) {
+ isanon++;
+ }
+ sym->name = NULL;
+ }
+ s = s->next;
+ free(sym);
+ sym = NULL;
+ free_symbols(s);
+ }
+}
+
+static inline void free_fixups(fixup *f) {
+ fixup *fix;
+ if (f != NULL) {
+ fix = f;
+ f = f->next;
+ free(fix);
+ fix = NULL;
+ free_fixups(f);
+ }
+}
+
+uint64_t get_tokmem(token *t) {
+ uint64_t i = 0;
+ for (; t; t = t->next, i++);
+ return i*sizeof(token);
+}
+
+void get_linemem(line *l) {
+ uint64_t i = 0;
+ uint64_t j = 0;
+ for (; l; j += get_tokmem(l->tok), l = l->next, i++);
+ printf("Bytes per line: %"PRIu64", Bytes per token: %"PRIu64", Total size of line table in bytes: %"PRIu64"\n", sizeof(line), sizeof(token), j+(i*sizeof(line)));
+}
+
+void cleanup() {
+ uint16_t i;
+ if (lines) {
+ /*get_linemem(lines);*/
+ /*fix_symtree(lines);*/
+ free_lines(lines);
+ lines = NULL;
+ }
+ if (symbols) {
+ /*print_symtree(symbols, 0);*/
+ free_symbols(symbols);
+ symbols = NULL;
+ }
+ if (fixups) {
+ free_fixups(fixups);
+ fixups = NULL;
+ }
+ while (i < stridx || i < comidx) {
+ if (i < stridx && string[i]) {
+ free(string[i]);
+ string[i] = NULL;
+ }
+ if (i < comidx && comment[i]) {
+ free(comment[i]);
+ comment[i] = NULL;
+ }
+ i++;
+ }
+}
diff --git a/lexer/backup/enums.h b/lexer/backup/enums.h
new file mode 100644
index 0000000..07338ee
--- /dev/null
+++ b/lexer/backup/enums.h
@@ -0,0 +1,540 @@
+enum am {
+ /* Part of Base ISA. */
+ IMM, /* Immediate Data. */
+ ZM, /* Zero Matrix. */
+ ZMX, /* Zero Matrix, indexed with X. */
+ ZMY, /* Zero Matrix, indexed with Y. */
+ IND, /* Indirect. */
+ INDX, /* Indexed Indirect. */
+ INDY, /* Indirect Indexed. */
+ ABS, /* Absolute. */
+ REL, /* Relative to Program Counter. */
+ BREG, /* B Register. */
+ IMPL, /* Implied. */
+ /* Part of Base Extension. */
+ ABSX, /* Absolute, Indexed with X. */
+ ABSY, /* Absolute, Indexed with Y. */
+ AIND, /* Absolute Indirect. */
+ AINDX, /* Absolute Indexed Indirect. */
+ AINDY, /* Absolute Indirect Indexed. */
+ EIND, /* Effective Address Register, Indirect. */
+};
+
+/* Part of the Orthogonal Extension. */
+enum ortho_reg {
+ REG_A,
+ REG_B,
+ REG_X,
+ REG_Y,
+ REG_E,
+ REG_C,
+ REG_D,
+ REG_S,
+ REG_F,
+ REG_SP,
+ REG_BP,
+ REG_R11,
+ REG_R12,
+ REG_R13,
+ REG_R14,
+ REG_R15,
+};
+
+enum ortho_mem {
+ MEM_ABS, /* Absolute. */
+ MEM_ZM, /* Zero Matrix. */
+ MEM_ABSR, /* Absolute, Indexed with register. */
+ MEM_ZMR, /* Zero Matrix, Indexed with register. */
+ MEM_ZINDR, /* Zero Matrix, Indirect Indexed Register. */
+ MEM_ZRIND, /* Zero Matrix, Indexed Indirect Register. */
+ MEM_AINDR, /* Absolute, Indirect Indexed Register. */
+ MEM_ARIND, /* Absolute, Indexed Indirect Register. */
+ MEM_RIND, /* Register Indirect. */
+ MEM_SIB, /* Scale Index Base. */
+};
+
+enum mne {
+ ADC,
+ AND,
+ ASR,
+ BCC,
+ BCS,
+ BEQ,
+ BNE,
+ BNG,
+ BPO,
+ BRA,
+ BRK,
+ BVC,
+ BVS,
+ CLC,
+ CLI,
+ CLV,
+ CMP,
+ CPB,
+ CPS,
+ CPX,
+ CPY,
+ DEB,
+ DEC,
+ DEX,
+ DEY,
+ DIV,
+ INB,
+ INC,
+ INX,
+ INY,
+ JMP,
+ JSR,
+ LDA,
+ LDB,
+ LDX,
+ LDY,
+ LSL,
+ LSR,
+ MUL,
+ NOP,
+ ORA,
+ PHA,
+ PHB,
+ PHP,
+ PHX,
+ PHY,
+ PLA,
+ PLB,
+ PLP,
+ PLX,
+ PLY,
+ ROL,
+ ROR,
+ RTI,
+ RTS,
+ SBC,
+ SEC,
+ SEI,
+ STA,
+ STB,
+ STX,
+ STY,
+ TAB,
+ TAX,
+ TAY,
+ TBA,
+ TSX,
+ TXA,
+ TXS,
+ TXY,
+ TYA,
+ TYX,
+ WAI,
+ XOR
+};
+
+enum ext_mne {
+ LEA,
+ PEA,
+ ADD,
+ SUB,
+ ADE,
+ SBE,
+ ADS,
+ SBS,
+ NOT,
+ LLM,
+ LRM,
+ RLM,
+ RRM,
+ ARM,
+ PHE,
+ PLE,
+ CPE,
+ ICE,
+ LDS,
+ DEE,
+ INE,
+ DES,
+ INS,
+ STS,
+ STE,
+ STZ,
+ SCO,
+ ECO,
+ CLZ,
+ CLO,
+ BIT,
+ MMV,
+ SWP,
+ PCN,
+ REP,
+ REQ,
+ RNE,
+ LNG,
+ LPO,
+ LCS,
+ LCC,
+ LEQ,
+ LNE,
+ SNG,
+ SPO,
+ SCS,
+ SCC,
+ SEQ,
+ SNE
+};
+
+enum ortho_mne {
+ MNG,
+ MPO,
+ MCS,
+ MCC,
+ MEQ,
+ MNE,
+ MVS,
+ MVC,
+ OR ,
+ MOV,
+ IML,
+ IDV,
+ PSH,
+ PUL,
+ NEG,
+ SET
+};
+
+enum base_isa {
+ CPS_IMP = 0x00, /* Clear Processor Status. */
+ ADC_IMM = 0x01, /* ADd with Carry. */
+ ROR_IMM = 0x02, /* ROtate Right. */
+ CPB_IMM = 0x04, /* ComPare B register. */
+ ADC_Z = 0x05, /* ADC Zero Matrix. */
+ ROR_Z = 0x06, /* ROR Zero Matrix. */
+ CPB_Z = 0x08, /* CPB Zero Matrix. */
+ CLC_IMP = 0x09, /* CLear Carry flag. */
+ TAB_IMP = 0x0A, /* Transfer Accumulator to B. */
+ STY_Z = 0x0C, /* STore Y register. */
+ JMP_AB = 0x10, /* JMP Absolute. */
+ ADC_AB = 0x11, /* ADC Absolute. */
+ ROR_AB = 0x12, /* ROR Absolute. */
+ CPB_AB = 0x14, /* CPB Absolute. */
+ ADC_B = 0x15, /* ADC B Register. */
+ ROR_B = 0x16, /* ROR B Register. */
+ STY_AB = 0x18, /* STY Absolute. */
+ SEC_IMP = 0x19, /* SEt Carry flag. */
+ TBA_IMP = 0x1A, /* Transfer B to Accumulator. */
+ JMP_Z = 0x20, /* JuMP to memory location. */
+ SBC_IMM = 0x21, /* SuBtract with Carry. */
+ MUL_IMM = 0x22, /* MULtiply accumulator. */
+ CPX_IMM = 0x24, /* ComPare X register. */
+ SBC_Z = 0x25, /* SBC Zero Matrix. */
+ MUL_Z = 0x26, /* MUL Zero Matrix. */
+ CPX_Z = 0x28, /* CPX Zero Matrix. */
+ CLI_IMP = 0x29, /* CLear Interupt flag. */
+ TAY_IMP = 0x2A, /* Transfer Accumulator to Y. */
+ STA_Z = 0x2C, /* STore Accumulator. */
+ STA_ZX = 0x2E, /* STA Zero Marrix, Indexed with X. */
+ JSR_AB = 0x30, /* JSR Absolute. */
+ SBC_AB = 0x31, /* SBC Absolute. */
+ MUL_AB = 0x32, /* MUL Absolute. */
+ CPX_AB = 0x34, /* CPX Absolute. */
+ SBC_B = 0x35, /* SBC B Register. */
+ MUL_B = 0x36, /* MUL B Register. */
+ STA_AB = 0x38, /* STA Absolute. */
+ SEI_IMP = 0x39, /* SEt Interupt flag. */
+ TYA_IMP = 0x3A, /* Transfer Y to Accumulator. */
+ STA_ZY = 0x3C, /* STA Zero Marrix, Indexed with Y. */
+ STA_IX = 0x3E, /* STA Indexed Indirect. */
+ JSR_Z = 0x40, /* Jump to SubRoutine. */
+ AND_IMM = 0x41, /* bitwise AND with accumulator. */
+ DIV_IMM = 0x42, /* DIVide with accumulator. */
+ CPY_IMM = 0x44, /* ComPare Y register. */
+ AND_Z = 0x45, /* AND Zero Matrix. */
+ DIV_Z = 0x46, /* DIV Zero Matrix. */
+ CPY_Z = 0x48, /* CPY Zero Matrix. */
+ CLV_IMP = 0x49, /* CLear oVerflow flag. */
+ TAX_IMP = 0x4A, /* Transfer Accumulator to X. */
+ STB_Z = 0x4C, /* STore B register. */
+ STB_ZX = 0x4E, /* STB Zero Marrix, Indexed with X. */
+ RTS_IMP = 0x50, /* ReTurn from Subroutine. */
+ AND_AB = 0x51, /* AND Absolute. */
+ DIV_AB = 0x52, /* DIV Absolute. */
+ CPY_AB = 0x54, /* CPY Absolute. */
+ AND_B = 0x55, /* AND B Register. */
+ DIV_B = 0x56, /* DIV B Register. */
+ STB_AB = 0x58, /* STB Absolute. */
+ WAI_IMP = 0x59, /* WAit for Interrupt. */
+ TXA_IMP = 0x5A, /* Transfer X to Accumulator. */
+ STB_ZY = 0x5C, /* STB Zero Marrix, Indexed with Y. */
+ STB_IX = 0x5E, /* STB Indexed Indirect. */
+ RTI_IMP = 0x60, /* ReTurn from Interrupt. */
+ ORA_IMM = 0x61, /* bitwise OR with Accumulator. */
+ ASR_IMM = 0x62, /* Arithmetic Shift Right. */
+ LDX_IMM = 0x64, /* LoaD X register. */
+ ORA_Z = 0x65, /* ORA Zero Matrix. */
+ ASR_Z = 0x66, /* ASR Zero Matrix. */
+ LDX_Z = 0x68, /* LDX Zero Matrix. */
+ BRK_IMP = 0x69, /* BReaK. */
+ TYX_IMP = 0x6A, /* Transfer Y to X. */
+ STX_Z = 0x6C, /* STore X register. */
+ PHP_IMP = 0x6E, /* PusH Processor status to stack. */
+ BPO_REL = 0x70, /* Branch if POsitive. */
+ ORA_AB = 0x71, /* ORA Absolute. */
+ ASR_AB = 0x72, /* ASR Absolute. */
+ LDX_AB = 0x74, /* LDX Absolute. */
+ ORA_B = 0x75, /* ORA B Register. */
+ ASR_B = 0x76, /* ASR B Register. */
+ STX_AB = 0x78, /* STX Absolute. */
+ DEY_IMP = 0x79, /* DEcrement Y register. */
+ TXY_IMP = 0x7A, /* Transfer X to Y. */
+ CPB_IN = 0x7C, /* CPB Indirect */
+ PLP_IMP = 0x7E, /* PuLl Processor status from stack. */
+ BNG_REL = 0x80, /* Branch if NeGative. */
+ XOR_IMM = 0x81, /* bitwise XOR with accumulator. */
+ CMP_IMM = 0x82, /* CoMPare accumulator. */
+ DEC_IMP = 0x84, /* DECrement accumulator. */
+ XOR_Z = 0x85, /* XOR Zero Matrix. */
+ CMP_Z = 0x86, /* CMP Zero Matrix. */
+ DEC_Z = 0x88, /* DEC Zero Matrix. */
+ INY_IMP = 0x89, /* INcrement Y register. */
+ TSX_IMP = 0x8A, /* Transfer Stack pointer to X. */
+ CMP_IN = 0x8C, /* CMP Indirect */
+ PHA_IMP = 0x8E, /* PusH Accumulator to stack. */
+ BCS_REL = 0x90, /* Branch if Carry Set. */
+ XOR_AB = 0x91, /* XOR Absolute. */
+ CMP_AB = 0x92, /* CMP Absolute. */
+ DEC_AB = 0x94, /* DEC Absolute. */
+ XOR_B = 0x95, /* XOR B Register. */
+ CMP_B = 0x96, /* CMP B Register. */
+ DEB_IMP = 0x99, /* Decrement B register. */
+ TXS_IMP = 0x9A, /* Transfer X to Stack pointer. */
+ STY_IN = 0x9C, /* STY Indirect */
+ PLA_IMP = 0x9E, /* PuLl Accumulator from stack. */
+ BCC_REL = 0xA0, /* Branch if Carry Clear. */
+ LSL_IMM = 0xA1, /* Logical Shift Left. */
+ LDY_IMM = 0xA2, /* LoaD Y register. */
+ INC_IMP = 0xA4, /* INCrement accumulator. */
+ LSL_Z = 0xA5, /* LSL Zero Matrix. */
+ LDY_Z = 0xA6, /* LDY Zero Matrix. */
+ INC_Z = 0xA8, /* INC Zero Matrix. */
+ INB_IMP = 0xA9, /* Increment B register. */
+ CMP_IX = 0xAA, /* CMP Indexed Indirect. */
+ LDY_IN = 0xAC, /* LDY Indirect */
+ PHB_IMP = 0xAE, /* PusH B register to stack. */
+ BEQ_REL = 0xB0, /* Branch if EQual. */
+ LSL_AB = 0xB1, /* LSL Absolute. */
+ LDY_AB = 0xB2, /* LDY Absolute. */
+ INC_AB = 0xB4, /* INC Absolute. */
+ LSL_B = 0xB5, /* LSL B Register. */
+ DEX_IMP = 0xB9, /* DEcrement X register. */
+ CPB_IX = 0xBA, /* CPB Indexed Indirect. */
+ LDX_IN = 0xBC, /* LDX Indirect */
+ PLB_IMP = 0xBE, /* PuLl B register to stack. */
+ BNE_REL = 0xC0, /* Branch if Not Equal. */
+ LSR_IMM = 0xC1, /* Logical Shift Right. */
+ LDA_IMM = 0xC2, /* LoaD Accumulator. */
+ LDA_IN = 0xC4, /* LDA Indirect */
+ LSR_Z = 0xC5, /* LSR Zero Matrix. */
+ LDA_Z = 0xC6, /* LDA Zero Matrix. */
+ LDA_ZX = 0xC8, /* LDA Zero Marrix, Indexed with X. */
+ INX_IMP = 0xC9, /* INcrement X register. */
+ STA_IY = 0xCA, /* STA Indirect Indexed. */
+ STX_IN = 0xCC, /* STX Indirect */
+ PHY_IMP = 0xCE, /* PusH Y register to stack. */
+ BVS_REL = 0xD0, /* Branch if oVerflow Set. */
+ LSR_AB = 0xD1, /* LSR Absolute. */
+ LDA_AB = 0xD2, /* LDA Absolute. */
+ STA_IN = 0xD4, /* STA Indirect */
+ LSR_B = 0xD5, /* LSR B Register. */
+ LDA_ZY = 0xD6, /* LDA Zero Marrix, Indexed with Y. */
+ LDA_IX = 0xD8, /* LDA Indexed Indirect. */
+ LDA_IY = 0xD9, /* LDA Indirect Indexed. */
+ STB_IY = 0xDA, /* STB Indirect Indexed. */
+ JSR_IN = 0xDC, /* JSR Indirect */
+ PLY_IMP = 0xDE, /* PuLl Y register from stack. */
+ BVC_REL = 0xE0, /* Branch if oVerflow Clear. */
+ ROL_IMM = 0xE1, /* ROtate Left. */
+ LDB_IMM = 0xE2, /* LoaD B register. */
+ LDB_IN = 0xE4, /* LDB Indirect */
+ ROL_Z = 0xE5, /* ROL Zero Matrix. */
+ LDB_Z = 0xE6, /* LDB Zero Matrix. */
+ LDB_ZX = 0xE8, /* LDB Zero Marrix, Indexed with X. */
+ LDB_IY = 0xE9, /* LDB Indirect Indexed. */
+ NOP_IMP = 0xEA, /* No OPeration. */
+ JMP_IN = 0xEC, /* JMP Indirect */
+ PHX_IMP = 0xEE, /* PusH X register to stack. */
+ BRA_REL = 0xF0, /* BRanch Always. */
+ ROL_AB = 0xF1, /* ROL Absolute. */
+ LDB_AB = 0xF2, /* LDB Absolute. */
+ STB_IN = 0xF4, /* STB Indirect */
+ ROL_B = 0xF5, /* ROL B Register. */
+ LDB_ZY = 0xF6, /* LDB Zero Marrix, Indexed with Y. */
+ LDB_IX = 0xF8, /* LDB Indexed Indirect. */
+ CMP_IY = 0xF9, /* CMP Indirect Indexed. */
+ CPB_IY = 0xFA, /* CPB Indirect Indexed. */
+ PLX_IMP = 0xFE /* PuLl X register from stack. */
+};
+
+enum base_ext {
+ LEA_AY = 0x03, /* LEA Absolute, indexed with Y. */
+ ADD_IMM = 0x06, /* ADD without carry. */
+ LEA_Z = 0x07, /* Load Effective Address. */
+ CPE_IMM = 0x08, /* ComPare Effective address register. */
+ CLZ_Z = 0x09, /* Count Leading Zeros. */
+ ADD_Z = 0x0A, /* ADD Zero Matrix. */
+ STB_E = 0x0B, /* STB E Indirect. */
+ CPE_Z = 0x0C, /* CPE Zero Matrix. */
+ LNG_IMM = 0x0D, /* Load accumulator, if NeGative. */
+ LNG_E = 0x0E, /* LNG E Indirect. */
+ JMP_E = 0x10, /* JMP E Indirect. */
+ ADC_E = 0x11, /* ADC E Indirect. */
+ ROR_E = 0x12, /* ROR E Indirect. */
+ LEA_AB = 0x13, /* LEA Absolute. */
+ CLZ_AB = 0x15, /* CLZ Absolute. */
+ ADD_AB = 0x16, /* ADD Absolute. */
+ LEA_ZY = 0x17, /* LEA Zero Matrix, indexed with Y. */
+ CPE_AB = 0x18, /* CPE Absolute. */
+ CLZ_E = 0x19, /* CLZ E Indirect. */
+ ADD_E = 0x1A, /* ADD E Indirect. */
+ LDX_E = 0x1B, /* LDX E Indirect. */
+ SNG_E = 0x1E, /* Store accumulator, if NeGative. */
+ PEA_AY = 0x23, /* PEA Absolute, indexed with Y. */
+ SUB_IMM = 0x26, /* SUBtract without carry. */
+ PEA_Z = 0x27, /* Push Effective Address. */
+ CLO_Z = 0x29, /* Count Leading Ones. */
+ SUB_Z = 0x2A, /* SUB Zero Matrix. */
+ STX_E = 0x2B, /* STX E Indirect. */
+ ICE_Z = 0x2C, /* Interlocked Compare, and Exchange. */
+ LPO_IMM = 0x2D, /* Load accumulator, if POsitive. */
+ LPO_E = 0x2E, /* LPO E Indirect. */
+ JSR_E = 0x30, /* JSR E Indirect. */
+ SBC_E = 0x31, /* SBC E Indirect. */
+ MUL_E = 0x32, /* MUL E Indirect. */
+ PEA_AB = 0x33, /* PEA Absolute. */
+ CLO_AB = 0x34, /* CLO Absolute. */
+ SUB_AB = 0x35, /* SUB Absolute. */
+ PEA_ZY = 0x37, /* PEA Zero Matrix, indexed with Y. */
+ ICE_AB = 0x38, /* ICE Absolute. */
+ CLO_E = 0x39, /* CLO E Indirect. */
+ SUB_E = 0x3A, /* SUB E Indirect. */
+ CPB_E = 0x3B, /* CPB E Indirect. */
+ ICE_E = 0x3C, /* ICE E Indirect. */
+ SPO_E = 0x3E, /* Store accumulator, if POsitive. */
+ LDS_IMM = 0x40, /* LoaD Stack pointer. */
+ LEA_AI = 0x43, /* LEA Absolute Indirect. */
+ LDS_Z = 0x44, /* LDS Zero Matrix. */
+ ADE_IMM = 0x46, /* ADd Effective address register. */
+ LEA_IN = 0x47, /* LEA Indirect. */
+ BIT_Z = 0x49, /* BIt Test. */
+ ADE_Z = 0x4A, /* ADE Zero Matrix. */
+ CPX_E = 0x4B, /* CPX E Indirect. */
+ LLM_Z = 0x4C, /* Logical shift Left, on Memory. */
+ LCS_IMM = 0x4D, /* Load accumulator, if Carry Set. */
+ LCS_E = 0x4E, /* LCS E Indirect. */
+ LDS_AB = 0x50, /* LDS Absolute. */
+ AND_E = 0x51, /* AND E Indirect. */
+ DIV_E = 0x52, /* DIV E Indirect. */
+ LEA_AX = 0x53, /* LEA Absolute, indexed with X. */
+ LDS_E = 0x54, /* LDS E Indirect. */
+ BIT_AB = 0x55, /* BIT Absolute. */
+ ADE_AB = 0x56, /* ADE Absolute. */
+ LEA_ZX = 0x57, /* LEA Zero Matrix, indexed with X. */
+ LLM_AB = 0x58, /* LLM Absolute. */
+ BIT_E = 0x59, /* BIT E Indirect. */
+ CPY_E = 0x5B, /* CPY E Indirect. */
+ LLM_E = 0x5C, /* LLM E Indirect. */
+ SCS_E = 0x5E, /* Store accumulator, if Carry Set. */
+ SCO_IMM = 0x60, /* Start one, or more COre(s). */
+ PEA_AI = 0x63, /* PEA Absolute Indirect. */
+ SCO_Z = 0x64, /* SCO Zero Matrix. */
+ SBE_IMM = 0x66, /* SuBtract Effective address register. */
+ PEA_IN = 0x67, /* PEA Indirect. */
+ SBE_Z = 0x6A, /* SBE Zero Matrix. */
+ PHE_IMP = 0x6B, /* PusH Effective address register to stack. */
+ LRM_Z = 0x6C, /* Logical shift Right, on Memory. */
+ LCC_IMM = 0x6D, /* Load accumulator, if Carry Clear. */
+ LCC_E = 0x6E, /* LCC E Indirect. */
+ SCO_AB = 0x70, /* SCO Absolute. */
+ ORA_E = 0x71, /* ORA E Indirect. */
+ ASR_E = 0x72, /* ASR E Indirect. */
+ PEA_AX = 0x73, /* PEA Absolute, indexed with X. */
+ SCO_E = 0x74, /* SCO E Indirect. */
+ SBE_AB = 0x76, /* SBE Absolute. */
+ PEA_ZX = 0x77, /* PEA Zero Matrix, indexed with X. */
+ LRM_AB = 0x78, /* LRM Absolute. */
+ PLE_IMP = 0x7B, /* PuLl Effective address register from stack. */
+ LRM_E = 0x7C, /* LRM E Indirect. */
+ SCC_E = 0x7E, /* Store accumulator, if Carry Clear. */
+ ECO_IMM = 0x80, /* End one, or more COre(s). */
+ DEC_E = 0x82, /* DEC E Indirect. */
+ LEA_AIY = 0x83, /* LEA Absolute Indirect Indexed. */
+ ECO_Z = 0x84, /* ECO Zero Matrix. */
+ ADS_IMM = 0x86, /* ADd Stack pointer. */
+ LEA_IY = 0x87, /* LEA Indirect Indexed. */
+ ADS_Z = 0x8A, /* ADS Zero Matrix. */
+ DEE_IMP = 0x8B, /* DEcrement Effective address register. */
+ RLM_Z = 0x8C, /* Rotate Left, on Memory. */
+ LEQ_IMM = 0x8D, /* Load accumulator, if EQual. */
+ LEQ_E = 0x8E, /* LEQ E Indirect. */
+ ECO_AB = 0x90, /* ECO Absolute. */
+ XOR_E = 0x91, /* XOR E Indirect. */
+ CMP_E = 0x92, /* CMP E Indirect. */
+ LEA_AIX = 0x93, /* LEA Absolute Indexed Indirect. */
+ ECO_E = 0x94, /* ECO E Indirect. */
+ ADS_AB = 0x96, /* ADS Absolute. */
+ LEA_IX = 0x97, /* LEA Indexed Indirect. */
+ RLM_AB = 0x98, /* RLM Absolute. */
+ ADS_E = 0x9A, /* ADS E Indirect. */
+ INE_IMP = 0x9B, /* INcrement Effective address register. */
+ RLM_E = 0x9C, /* RLM E Indirect. */
+ SEQ_E = 0x9E, /* Store accumulator, if EQual. */
+ INC_E = 0xA2, /* INC E Indirect. */
+ PEA_AIY = 0xA3, /* PEA Absolute Indirect Indexed. */
+ STS_Z = 0xA4, /* STore Stack pointer. */
+ SBS_IMM = 0xA6, /* SuBtract Stack pointer. */
+ PEA_IY = 0xA7, /* PEA Indirect Indexed. */
+ SBS_Z = 0xAA, /* SBS Zero Matrix. */
+ DES_IMP = 0xAB, /* DEcrement Stack pointer. */
+ RRM_Z = 0xAC, /* Rotate Right, on Memory. */
+ LNE_IMM = 0xAD, /* Load accumulator, if Not Equal. */
+ LNE_E = 0xAE, /* LNE E Indirect. */
+ STS_AB = 0xB0, /* STS Absolute. */
+ LSL_E = 0xB1, /* LSL E Indirect. */
+ LDY_E = 0xB2, /* LDY E Indirect. */
+ PEA_AIX = 0xB3, /* PEA Absolute Indexed Indirect. */
+ STS_E = 0xB4, /* STS E Indirect. */
+ SBS_AB = 0xB6, /* SBS Absolute. */
+ PEA_IX = 0xB7, /* PEA Indexed Indirect. */
+ RRM_AB = 0xB8, /* RRM Absolute. */
+ SBS_E = 0xBA, /* SBS E Indirect. */
+ INS_IMP = 0xBB, /* INcrement Stack pointer. */
+ RRM_E = 0xBC, /* RRM E Indirect. */
+ REP_REL = 0xBD, /* REPeat until counter is zero. */
+ SNE_E = 0xBE, /* Store accumulator, if Not Equal. */
+ STY_E = 0xC2, /* STY E Indirect. */
+ STE_Z = 0xC4, /* STore Effective address register. */
+ NOT_A = 0xC6, /* bitwise NOT with accumulator. */
+ NOT_Z = 0xCA, /* NOT Zero Matrix. */
+ MMV_IMP = 0xCB, /* Memory MoVe. */
+ ARM_Z = 0xCC, /* Arithmetic shift Right, on Memory. */
+ REQ_REL = 0xCD, /* Repeat until either counter is zero, or zero flag isn't set. */
+ STE_AB = 0xD0, /* STE Absolute. */
+ LSR_E = 0xD1, /* LSR E Indirect. */
+ LDA_E = 0xD2, /* LDA E Indirect. */
+ NOT_AB = 0xD6, /* NOT Absolute. */
+ ARM_AB = 0xD8, /* ARM Absolute. */
+ NOT_E = 0xDA, /* NOT E Indirect. */
+ ARM_E = 0xDC, /* ARM E Indirect. */
+ RNE_REL = 0xDD, /* Repeat until either counter is zero, or zero flag is set. */
+ STA_E = 0xE2, /* STA E Indirect. */
+ STZ_Z = 0xE4, /* STore Zero. */
+ SWP_A = 0xE6, /* SWaP lower half, with upper half. */
+ SWP_Z = 0xEA, /* SWP Zero Matrix. */
+ PCN_Z = 0xEC, /* Population CouNt. */
+ STZ_AB = 0xF0, /* STZ Absolute. */
+ ROL_E = 0xF1, /* ROL E Indirect. */
+ LDB_E = 0xF2, /* LDB E Indirect. */
+ STZ_E = 0xF4, /* STZ E Indirect. */
+ SWP_AB = 0xF6, /* SWP Absolute. */
+ PCN_AB = 0xF8, /* PCN Absolute. */
+ SWP_E = 0xFA, /* SWP E Indirect. */
+ PCN_E = 0xFC /* PCN E Indirect. */
+};
diff --git a/lexer/backup/lexer.c b/lexer/backup/lexer.c
new file mode 100644
index 0000000..1654f44
--- /dev/null
+++ b/lexer/backup/lexer.c
@@ -0,0 +1,937 @@
+#include "asmmon.h"
+#include "lexer.h"
+
+uint8_t lex_type;
+uint16_t sym_count = 0;
+token *tokens = NULL;
+token *last_tok = NULL;
+symbol *locals = NULL;
+symbol *last_loc = NULL;
+symbol *cur_sym = NULL;
+symbol *struct_sym = NULL;
+
+line *tmp_line = NULL;
+
+symbol *mksymbol(const char *name, uint64_t val, uint8_t def, uint8_t islocal, uint8_t useid, uint16_t id, uint8_t dbg) {
+ uint16_t i = 0;
+ symbol *s = (!islocal) ? symbols : locals;
+ uint8_t flag = 0;
+ for (; s; s = s->next, i++) {
+ if (!useid && name[0] != s->name[0]) {
+ continue;
+ }
+ flag = (useid) ? (id == s->id) : !strcmp(name, s->name);
+ if (flag) {
+ if (def) {
+ if (s->def) {
+ if (dbg) {
+ printf("mksymbol(): oof, you cannot redefine the symbol: %s\n", name);
+ }
+ defined = 1;
+ } else {
+ defined = 0;
+ }
+ s->def = def;
+ s->val = val;
+ s->id = i;
+ if (dbg) {
+ printf("mksymbol(): def: %u, val: $%016"PRIX64", name: %s\n", def, val, name);
+ printf("mksymbol(): i: $%X, id: $%04X\n", i, s->id);
+ }
+ }
+ return s;
+ }
+ }
+ size_t str_size = strlen(name)+1;
+ s = malloc(sizeof(symbol));
+ s->down = NULL;
+ if (!islocal) {
+ (last_sym) ? (last_sym->next = s) : (symbols = s);
+ if (last_sym) {
+ last_sym->next->prev = last_sym;
+ last_sym->next->up = last_sym->up;
+ last_sym->next->down = NULL;
+ } else {
+ symbols->prev = NULL;
+ symbols->up = NULL;
+ symbols->down = NULL;
+ }
+ } else {
+ (last_loc) ? (last_loc->next = s) : (locals = s);
+ if (last_loc) {
+ last_loc->next->prev = last_loc;
+ last_loc->next->up = last_loc->up;
+ last_loc->next->down = NULL;
+ } else {
+ locals->prev = NULL;
+ locals->down = NULL;
+ }
+ }
+ s->name = malloc(str_size);
+ s->def = def;
+ s->val = val;
+ s->count = 0;
+ s->isstruct = 0;
+ memcpy(s->name, name, str_size);
+ s->next = NULL;
+ s->id = sym_count++;
+ (!islocal) ? (last_sym = s) : (last_loc = s);
+ if (!islocal) {
+ s->down = NULL;
+ /*if (def) {
+ locals = NULL;
+ last_loc = NULL;
+ }*/
+ } else {
+ cur_sym->count++;
+ }
+ defined = 0;
+ if (dbg) {
+ printf("mksymbol(): def: %u, val: $%016"PRIX64", name: %s, id: $%04X\n", def, val, name, sym_count-1);
+ }
+ return s;
+}
+
+uint16_t fixup_cnt = 0;
+symbol *get_sym(const char *name, uint64_t val, token *t, uint8_t islocal, uint8_t dbg) {
+ symbol *s = mksymbol(name, 0, 0, islocal, 0, 0, dbg);
+ if (dbg) {
+ printf("get_sym(): Symbol ID: $%X.\n", s->id);
+ }
+ if (s->def) {
+ return s;
+ } else {
+ if (dbg) {
+ printf("get_sym(): oof, symbol %s, does not exist, yet.\n", name);
+ }
+ fixup *f = malloc(sizeof(fixup));
+ (last_fix) ? (last_fix->next = f) : (fixups = f);
+ f->adr = val;
+ f->t = t;
+ f->s = s;
+ f->next = NULL;
+ last_fix = f;
+ fixup_cnt++;
+ return NULL;
+ }
+}
+
+symbol *find_member(char *name, symbol* root, uint8_t dbg) {
+ /*for (; root->up; root = root->up);*/
+ symbol *s = root;
+ if (s->down == NULL && s->up != NULL) {
+ s = s->up;
+ }
+ do {
+ s = s->down;
+ for (symbol *m = s; m; m = m->next) {
+ size_t len1 = strlen(name);
+ size_t len2 = strlen(m->name);
+ if (len1 == len2 && name[0] == m->name[0] && !strcmp(name, m->name)) {
+ return m;
+ }
+ }
+ for (; s->next && !s->down; s = s->next);
+ } while (s->down);
+ return NULL;
+}
+
+uint16_t reslv_fixups(uint8_t dbg) {
+ fixup *f = fixups;
+ symbol *ls;
+ uint16_t i = 0, j = 0;
+ for (; f; f = f->next) {
+ if (f->s->def) {
+ if (dbg) {
+ printf("reslv_fixups(): Symbol ID: $%X, Symbol Name: %s, Symbol Value: $%"PRIX64".\n", f->s->id, f->s->name, f->s->val);
+ }
+ f->t->sym = f->s;
+ } else {
+ if (dbg) {
+ printf("reslv_fixups(): oof, undefined reference to '%s', at $%016"PRIX64".\n", f->s->name, f->adr);
+ }
+ i++;
+ }
+ }
+ return i;
+
+}
+
+uint16_t get_comment(const char *com, uint8_t dbg) {
+ uint16_t i = 0;
+ for (; comment[i] && i < comidx; i++) {
+ if (com[0] == comment[i][0] && !strcmp(com, comment[i])) {
+ break;
+ }
+ }
+ if (comment[i] == NULL) {
+ if (dbg) {
+ printf("get_comment(): oof, the index $%04X is NULL.\n", i);
+ printf("get_comment(): oof, the comment \"%s\", was not found in the comment table.\n", com);
+ }
+ size_t size = strlen(com)+1;
+ comment[comidx] = malloc(size);
+ memcpy(comment[comidx], com, size);
+ return comidx++;
+
+ }
+ if (dbg) {
+ if (strcmp(com, comment[i])) {
+ printf("get_comment(): oof, the comment \"%s\" is somehow not in the comment table, even though it should be at index $%04X.\n", com, i);
+ }
+ printf("get_comment(): The return value of strcmp(com, comment[$%04X]) is %i.\n", i, strcmp(com, comment[i]));
+ printf("get_comment(): Found comment \"%s\", in the table, at index $%04X.\n", com, i);
+ }
+ return i;
+}
+
+uint16_t get_string(const char *str, uint8_t dbg) {
+ uint16_t i = 0;
+ uint8_t isstr = 0;
+ for (; i < stridx; i++) {
+ if (isstr || string[i] == NULL) {
+ break;
+ } else if (str[0] == string[i][0]) {
+ isstr = !strcmp(str, string[i]);
+ }
+ }
+ if (string[i] == NULL || i == stridx) {
+ if (dbg) {
+ printf("get_string(): oof, the index $%04X is NULL.\n", i);
+ printf("get_string(): oof, the string \"%s\", was not found in the string table.\n", str);
+ }
+ return 0xFFFF;
+ }
+ if (dbg) {
+ printf("get_string(): Found string \"%s\", in the table, at index $%04X.\n", str, i);
+ }
+ return i;
+}
+
+line *find_line(uint32_t ln, uint8_t dbg) {
+ uint32_t i = 0;
+ line *l = lines;
+ for (; l && l->linenum != ln; l = l->next);
+ if (l != NULL) {
+ if (l->linenum == ln) {
+ if (dbg) {
+ printf("find_line(): Found line number %u.\n", ln);
+ }
+ return l;
+ }
+ } else {
+ if (dbg) {
+ printf("find_line(): oof, could not find line number %u.\n", ln);
+ }
+ return NULL;
+ }
+ return l;
+}
+
+int is_struct = 0;
+int is_anon = 0;
+
+void create_struct(symbol *c_sym, line *l, token *t, token *lt, char *name, uint8_t dbg) {
+ uint8_t ismember = !(is_struct == 1 && lt && lt->id == TOK_DIR);
+ mksymbol(name, 0, 1, ismember, 0, 0, dbg);
+ if (isfixup) {
+ isfixup = reslv_fixups(dbg);
+ }
+ t->sym = get_sym(name, 0, t, ismember, dbg);
+ if (lt && lt->id == TOK_DIR) {
+ t->sym->isstruct = 1;
+ t->id = (lt->type == DIR_STRUCT) ? TOK_STRUCT : TOK_UNION;
+ tmp_line = l;
+ } else {
+ t->id = TOK_MEMBER;
+ t->sym->isanon = (is_anon > 0);
+ }
+ isfixup += (t->sym == NULL);
+ int is_top = (c_sym == NULL);
+ c_sym = (!ismember && !c_sym) ? last_sym : c_sym;
+ if (!ismember) {
+ if (!is_top) {
+ c_sym = t->sym;
+ locals = NULL;
+ last_loc = NULL;
+ } else {
+ c_sym->down = locals;
+ }
+ } else {
+ if (lt && lt->id == TOK_DIR) {
+ if (lt->type == DIR_UNION || lt->type == DIR_STRUCT) {
+ c_sym->down = locals;
+ c_sym->down->up = c_sym;
+ last_loc->up = c_sym;
+ c_sym = last_loc;
+ locals = NULL;
+ last_loc = NULL;
+ }
+ }
+ }
+ cur_sym = c_sym;
+}
+
+void end_struct(symbol *c_sym, symbol *s_sym, uint8_t dbg) {
+ int skip = 0;
+ if (is_anon > 0) {
+ if ((c_sym && c_sym->isanon) || (c_sym->up && !c_sym->up->isanon) || (c_sym && s_sym->isanon)) {
+ is_anon--;
+ } else if (is_struct <= 0) {
+ is_anon = 0;
+ }
+ skip = (!is_anon);
+ }
+ if (((is_struct-is_anon) > 0 && !skip) || (is_anon <= 0 && is_struct <= 0)) {
+ symbol *s;
+ for (s = locals; s; s = s->next) {
+ if (s->up == NULL) {
+ s->up = c_sym;
+ }
+ if (dbg) {
+ printf("s: %p, s->up: %p, c_sym: %p, last_loc: %p\n", s, s->up, c_sym, last_loc);
+ }
+ }
+ if (c_sym->down == NULL) {
+ c_sym->down = locals;
+ }
+ }
+ if ((is_anon <= 0 || is_struct <= 0)) {
+ for (s_sym = c_sym; s_sym->prev && !s_sym->isanon; s_sym = s_sym->prev);
+ struct_sym = s_sym;
+ }
+ if ((is_struct-is_anon) > 0 && !skip) {
+ symbol *s = c_sym;
+ for (; s->prev; s = s->prev) {
+ if (s->up == NULL && c_sym->up) {
+ s->up = c_sym->up;
+ }
+ if (dbg) {
+ printf("s: %p, s->up: %p, c_sym->up: %p, last_loc: %p\n", s, s->up, c_sym->up, last_loc);
+ }
+ }
+ if (c_sym->up) {
+ cur_sym = c_sym->up;
+ }
+ for (locals = locals->up; locals->prev; locals = locals->prev);
+ for (last_loc = locals; last_loc->next; last_loc = last_loc->next);
+ }
+}
+
+uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg) {
+ char sym[0x100];
+ uint16_t i = 0;
+ uint16_t j = 0;
+ uint16_t comid = 0;
+ uint16_t strid = 0;
+ uint16_t symid = 0;
+ uint64_t value = 0;
+ lex_type = 0xFF;
+
+ uint8_t k = 0;
+ uint8_t k2 = 0;
+ union reg ch;
+ ch.u64 = 0;
+ uint8_t rs = 0;
+ uint8_t of = 0;
+ uint8_t base = 0;
+
+ uint8_t islocal = 0;
+
+ uint8_t isop = 0;
+ int num = 0;
+ int isch = 0;
+ uint8_t isesc = 0;
+ uint8_t islinenum;
+
+ int16_t ln = -1;
+
+ char lnum[6];
+
+ uint8_t space = 0;
+ uint8_t tab = 0;
+ uint8_t fall = 0;
+ uint8_t done = 0;
+
+
+ /*uint8_t is_newcom = 0;*/
+ line *l = NULL;
+ token *st = NULL;
+ token *t = NULL;
+ token *lt = NULL;
+ symbol *tmp_sym = NULL;
+ symbol *tsym = NULL;
+
+ while (isdigit(str[i]) && isdelm(str[i], dbg) != 16) {
+ lnum[j++] = str[i++];
+ }
+ islinenum = i;
+ if (i) {
+ lnum[j] = '\0';
+ ln = strtol(lnum, NULL, 10);
+ j = 0;
+ l = find_line(ln, dbg);
+ } else {
+ ln = linenum;
+ l = NULL;
+ }
+ if (l) {
+ address = l->addr;
+ } else {
+ l = malloc(sizeof(line));
+ (last_line) ? (last_line->next = l) : (lines = l);
+ l->tok = NULL;
+ l->next = NULL;
+ l->count = 0;
+ l->bline = bline;
+ last_line = l;
+
+ }
+ l->addr = address;
+ while (isdelm(str[i], dbg) != 1) {
+ uint8_t offset = 0;
+ base = 0;
+ space = 0;
+ tab = 0;
+ while (isdelm(str[i+j], dbg) == 16) {
+ tab += str[i+j] == '\t';
+ space += str[i+j] == ' ';
+ j++;
+ }
+ j = 0;
+ if (dbg) {
+ printf("lex(): tab: %u, space: %u\n", tab, space);
+ }
+ if (isdelm(str[i], dbg) == 16) {
+ for (; isdelm(str[i], dbg) == 16; i++);
+ }
+ uint8_t ptok = get_ptok(str[i], dbg);
+ if (is_altok(ptok, dbg)) {
+ offset++;
+ if (((ptok == PTOK_S || ptok == PTOK_B) && toupper(str[i+1]) == 'P') || (ptok == PTOK_P && toupper(str[i+1]) == 'C')) {
+ offset++;
+ }
+ switch (get_ptok(str[i+offset], dbg)) {
+ case PTOK_B :
+ case PTOK_E :
+ case PTOK_X :
+ case PTOK_Y :
+ case PTOK_S :
+ case PTOK_P :
+ case PTOK_A :
+ case PTOK_C :
+ case PTOK_D :
+ case PTOK_F :
+ case PTOK_R :
+ case PTOK_ALPHA : ptok = PTOK_ALPHA; break;
+ case PTOK_NUMBER:
+ if (ptok == PTOK_R) {
+ char reg_num[3];
+ for (int isnum = 0; isdigit(str[i+offset]) && !(isdelm(str[i+offset], dbg) & 0x03) && isnum < 2; offset++, isnum++) {
+ reg_num[isnum] = str[i+offset];
+ }
+ reg_num[isnum] = '\0';
+ if (isnum == 2) {
+ int regnum = strtoul(reg_num, NULL, 10);
+ ptok = (regnum < 11 || regnum > 15) ? PTOK_ALPHA : ptok;
+ } else {
+ ptok = PTOK_ALPHA;
+ }
+ } else {
+ ptok = PTOK_ALPHA;
+ }
+ break;
+ }
+ if ((ptok == PTOK_S && str[i+1] && toupper(str[i+1]) != 'P') || (ptok == PTOK_P && toupper(str[i+1]) != 'C')) {
+ ptok = PTOK_ALPHA;
+ }
+ }
+ /*i = ptok_handler[ptok](str, i, lex_type, l, t, dbg);*/
+ switch (ptok) {
+ case PTOK_DOT:
+ i++;
+ for (; !(isdelm(str[i+j], dbg) & 17); j++);
+ memcpy(lexeme, str+i, j);
+ lexeme[j] = '\0';
+ i += j;
+ if (!isop) {
+ for (k = 0; k < 11; k++) {
+ if (tolower(lexeme[0]) == dir_t[k][0] && !strcasecmp(lexeme, dir_t[k])) {
+ lex_type = TOK_DIR;
+ uint16_t tmp = j;
+ for (j = 0; isdelm(str[i+j], dbg) & 16; j++);
+ uint8_t ret = get_ptok(str[i+j], dbg);
+ j = tmp;
+
+ if ((k == DIR_STRUCT || k == DIR_UNION) && (ret != PTOK_ALPHA || (is_anon && ret == PTOK_ALPHA))) {
+ is_anon++;
+ }
+ is_struct += (k == DIR_STRUCT || k == DIR_UNION);
+ is_struct -= (k == DIR_ENDSTRUCT || k == DIR_ENDUNION);
+ if ((k == DIR_ENDSTRUCT || k == DIR_ENDUNION)) {
+ end_struct(cur_sym, struct_sym, dbg);
+ }
+ break;
+ }
+ }
+ if (lex_type != TOK_DIR && lt && lt->id == TOK_SYM) {
+ lex_type = TOK_MEMBER;
+ i -= j;
+ } else {
+ l->count++;
+ t = make_token(lex_type, k, space, tab, 0, "", NULL);
+ }
+ } else {
+ lex_type = TOK_RS;
+ switch (tolower(lexeme[j-1])) {
+ case '2':
+ case 'w':
+ rs = 1;
+ break;
+ case '4':
+ case 'd':
+ rs = 2;
+ break;
+ case '8':
+ case 'q':
+ rs = 3;
+ break;
+ }
+ l->count++;
+ t = make_token(lex_type, rs, space, tab, 0, "", NULL);
+ isop = 0;
+ }
+ break;
+ case PTOK_DQUOTE:
+ i++;
+ for (; isdelm(str[i+j], dbg) != 4 || isesc; j++) {
+ isesc = (str[i+j] == '\\' && str[i+(j-1)] != '\\');
+ }
+ memcpy(lexeme, str+i, j);
+ lexeme[j] = '\0';
+ i += j;
+ strid = get_string(lexeme, dbg);
+ if (strid == 0xFFFF) {
+ strid = stridx;
+ string[strid] = malloc(j+1);
+ memcpy(string[strid], lexeme, j+1);
+ stridx++;
+ } else {
+ }
+ if (dbg) {
+ printf("lex(): str[0x%04X]: %s\n", strid, string[strid]);
+ }
+ if (lt->id == TOK_DIR && lt->type == DIR_INCLUDE) {
+ incl[inc_count+inc_file] = strid;
+ inc_file++;
+ }
+ lex_type = TOK_STRING;
+ l->count++;
+ t = make_token(lex_type, 0, space, tab, 0, string[strid], NULL);
+ break;
+ case PTOK_DOLLAR:
+ case PTOK_PERCENT:
+ case PTOK_NUMBER:
+ value = 0;
+ switch (ptok) {
+ case PTOK_DOLLAR : base = 16; lex_type = TOK_HEX; i++; break;
+ case PTOK_PERCENT: base = 2; lex_type = TOK_BIN; i++; break;
+ case PTOK_NUMBER : base = 10; lex_type = TOK_DEC; /**/ break;
+ }
+ for (; isxdigit(str[i+j]) && !(isdelm(str[i+j], dbg) & 0x03); j++);
+ memcpy(lexeme, str+i, j);
+ lexeme[j] = '\0';
+ i += j;
+ value = strtoull(lexeme, NULL, base);
+ if (lt->id == TOK_SYM) {
+ tsym = mksymbol(sym, value, 1, islocal, 0, 0, dbg);
+ if (lt) {
+ lt->sym = get_sym(sym, address, lt, islocal, dbg);
+ }
+ if (!islocal) {
+ cur_sym = last_sym;
+ }
+ tsym = NULL;
+ islocal = 0;
+ isfixup += (lt->sym == NULL);
+ if (dbg) {
+ printf("lex(): isfixup: %u\n", isfixup);
+ }
+ }
+ l->count++;
+ t = make_token(lex_type, 0, space, tab, value, "", NULL);
+ t->digits = (lt->id != TOK_SYM) ? j : 0;
+ break;
+ case PTOK_SQUOTE:
+ i++;
+ k = 0;
+ j = 0;
+ while (isdelm(str[i], dbg) != 8 || isesc) {
+ isesc = (str[i] == '\\' && str[i-1] != '\\');
+ lexeme[j++] = str[i++];
+ }
+ isesc = 0;
+ lexeme[j] = '\0';
+ for (j = 0; lexeme[k] != '\0' && j < 7; k++) {
+ switch (lexeme[k]) {
+ case '\\':
+ switch (lexeme[++k]) {
+ case 'n' : ch.u8[j++] = '\n'; break;
+ case 'r' : ch.u8[j++] = '\r'; break;
+ case 't' : ch.u8[j++] = '\t'; break;
+ case 'b' : ch.u8[j++] = '\b'; break;
+ case '\'': ch.u8[j++] = '\''; break;
+ case '\"': ch.u8[j++] = '\"'; break;
+ case '\\': ch.u8[j++] = '\\'; break;
+ }
+ break;
+ default: ch.u8[j++] = lexeme[k];
+ }
+ }
+ lex_type = TOK_CHAR;
+ l->count++;
+ t = make_token(lex_type, 0, space, tab, ch.u64, "", NULL);
+ break;
+ case PTOK_LBRACK:
+ case PTOK_HASH :
+ /*l->tok->type = (ptok == PTOK_LBRACK) ? IND : IMM;
+ lex_type = (ptok == PTOK_LBRACK) ? TOK_IND : TOK_IMM;*/
+ lex_type = TOK_MEM;
+ value = (ptok == PTOK_LBRACK) ? MEM_IND : MEM_IMM;
+ l->count++;
+ t = make_token(lex_type, value, space, tab, 0, "", NULL);
+ lex_type = (ptok == PTOK_LBRACK) ? TOK_IND : TOK_IMM;
+ memset(lexeme, 0, strlen(lexeme)+1);
+ lexeme[j++] = str[i];
+ /*(t) ? (t->subspace = space) : (lt->subspace = space);
+ (t) ? (t->subtab = tab) : (lt->subtab = tab);*/
+ break;
+ case PTOK_PLUS:
+ case PTOK_MINUS:
+ case PTOK_GT:
+ case PTOK_LT:
+ case PTOK_PIPE:
+ lex_type = TOK_EXPR;
+ switch (ptok) {
+ case PTOK_PLUS : value = EXPR_PLUS ; break;
+ case PTOK_MINUS: value = EXPR_MINUS; break;
+ case PTOK_PIPE : value = EXPR_OR ; break;
+ case PTOK_GT : value = (get_ptok(str[i+1], dbg) == PTOK_GT) ? (EXPR_RSHFT) : (EXPR_LOW) ; break;
+ case PTOK_LT : value = (get_ptok(str[i+1], dbg) == PTOK_LT) ? (EXPR_LSHFT) : (EXPR_HIGH); break;
+ }
+ l->count++;
+ t = make_token(lex_type, value, space, tab, 0, "", NULL);
+ memset(lexeme, 0, strlen(lexeme)+1);
+ lexeme[j++] = str[i];
+ if (value == EXPR_LSHFT || value == EXPR_RSHFT) {
+ lexeme[j++] = str[++i];
+ }
+ break;
+ case PTOK_EQU:
+ i++;
+ lex_type = TOK_SYM;
+ memset(lexeme, 0, strlen(lexeme)+1);
+ lexeme[j] = str[i];
+ (t) ? (t->subspace = space) : (lt->subspace = space);
+ (t) ? (t->subtab = tab) : (lt->subtab = tab);
+ break;
+ case PTOK_RBRACK:
+ i++;
+ lex_type = TOK_IND;
+ lexeme[j] = ')';
+ lexeme[j+1] = '\0';
+ lexeme[j+2] = '\0';
+ (t) ? (t->subspace = space) : (lt->subspace = space);
+ (t) ? (t->subtab = tab) : (lt->subtab = tab);
+ break;
+ case PTOK_COMMA:
+ i++;
+ if (lex_type != TOK_IND && lex_type != TOK_OF) {
+ lex_type = TOK_CSV;
+ }
+ lexeme[j] = ',';
+ lexeme[j+1] = '\0';
+ lexeme[j+2] = '\0';
+ break;
+ case PTOK_B:
+ case PTOK_E:
+ case PTOK_X:
+ case PTOK_Y:
+ case PTOK_S:
+ case PTOK_A:
+ case PTOK_C:
+ case PTOK_D:
+ case PTOK_F:
+ case PTOK_R:
+ lexeme[j+0] = str[i++];
+ lexeme[j+1] = (ptok == PTOK_R || ((ptok == PTOK_S || ptok == PTOK_B) && get_ptok(str[i], dbg) == PTOK_P)) ? str[i++] : '\0';
+ lexeme[j+2] = (ptok == PTOK_R) ? str[i++] : '\0';
+ lexeme[j+3] = '\0';
+ lex_type = TOK_REG;
+ switch (ptok) {
+ case PTOK_A: value = REG_A; break;
+ case PTOK_X: value = REG_X; break;
+ case PTOK_Y: value = REG_Y; break;
+ case PTOK_E: value = REG_E; break;
+ case PTOK_C: value = REG_C; break;
+ case PTOK_D: value = REG_D; break;
+ case PTOK_S:
+ case PTOK_B:
+ if (get_ptok(lexeme[j+1], dbg) == PTOK_P) {
+ value = (ptok == PTOK_S) ? REG_SP : REG_BP;
+ } else {
+ value = (ptok == PTOK_S) ? REG_S : REG_B;
+ }
+ break;
+ case PTOK_F: value = REG_F; break;
+ case PTOK_R: value = strtoull(lexeme+j+1, NULL, 10); break;
+ }
+ l->count++;
+ t = make_token(lex_type, value, space, tab, 0, "", NULL);
+ /*(t) ? (t->subspace = space) : (lt->subspace = space);
+ (t) ? (t->subtab = tab) : (lt->subtab = tab);*/
+ break;
+ case PTOK_P:
+ lexeme[j] = str[i++];
+ lexeme[j+1] = (str[i] != ',') ? str[i++] : '\0';
+ lexeme[j+2] = '\0';
+ /*switch (ptok) {
+ case PTOK_S: of = 1; break;
+ case PTOK_P: of = 2; break;
+ }*/
+ of = 2;
+ lex_type = TOK_OF;
+ l->count++;
+ t = make_token(lex_type, of, space, tab, 0, "", NULL);
+ break;
+ case PTOK_AT:
+ memset(lexeme, 0, strlen(lexeme)+1);
+ lexeme[j] = '@';
+ islocal = 1;
+ lex_type = TOK_LOCAL;
+ if (lt || t) {
+ (t) ? (t->subspace = space) : (lt->subspace = space);
+ (t) ? (t->subtab = tab) : (lt->subtab = tab);
+ }
+ break;
+ case PTOK_COLON:
+ i++;
+ lexeme[j] = ':';
+ lexeme[j+1] = '\0';
+ lex_type = TOK_LABEL;
+ tsym = mksymbol(sym, address, 1, islocal, 0, 0, dbg);
+ if (isfixup) {
+ isfixup = reslv_fixups(dbg);
+ }
+ if (lt) {
+ lt->id = lex_type;
+ lt->type = islocal;
+ lt->sym = get_sym(sym, address, t, islocal, dbg);
+ isfixup += (lt->sym == NULL);
+ }
+ if (!islocal) {
+ cur_sym = last_sym;
+ locals = NULL;
+ last_loc = NULL;
+ } else if (cur_sym->down == NULL && cur_sym == last_sym) {
+ cur_sym->down = locals;
+ cur_sym->down->up = cur_sym;
+ }
+ tsym = NULL;
+ islocal = 0;
+ if (dbg) {
+ printf("lex(): isfixup: %u\n", isfixup);
+ }
+ break;
+ case PTOK_SCOLON:
+ i++;
+ for (; isdelm(str[i+j], dbg) != 1; j++);
+ if (!j) {
+ lexeme[j] = ' ';
+ lexeme[j+1] = '\0';
+
+ } else {
+ memcpy(lexeme, str+i, j);
+ lexeme[j] = '\0';
+ i += j;
+ comid = get_comment(lexeme, dbg);
+ /*is_newcom = (comid == 0xFFFF);
+ if (comid == 0xFFFF) {
+ if (line != lineidx && l[line].com != 0xFFFF) {
+ comid = l[line].com;
+ } else {
+ comid = comidx;
+ }
+ comid = comidx;
+ comment[comid] = malloc(j+1);
+ memcpy(comment[comid], lexeme, j+1);
+ comidx++;
+ }*/
+ if (dbg) {
+ printf("lex(): com[0x%04X]: %s\n", comid, comment[comid]);
+ }
+ }
+ lex_type = TOK_COMMENT;
+ l->count++;
+ if (j) {
+ t = make_token(lex_type, 0, space, tab, 0, comment[comid], NULL);
+ } else {
+ t = make_token(lex_type, 0, space, tab, 0, "" , NULL);
+ }
+
+ break;
+ case PTOK_ALPHA:
+ for (; !isdelm2(str[i+j], dbg); j++);
+ memcpy(lexeme, str+i, j);
+ lexeme[j] = '\0';
+ i += j;
+ isch = 0;
+ isop = 0;
+ if (j == 3 && str[i] != ':' && !is_struct) {
+ for (k = 0; k < OPNUM; k++) {
+ int find_ext = (k < EXT_OPNUM);
+ int find_ortho = (k < ORTHO_OPNUM);
+ int upper = toupper(lexeme[0]);
+ int isbase = (upper == mne[k][0]);
+ int isext = (find_ext && upper == ext_mne[k][0]);
+ int isortho = (find_ortho && upper == ortho_mne[k][0]);
+
+ if (isbase || isext || isortho) {
+ int is_base = !strcasecmp(lexeme, mne[k]);
+ int is_ext = (find_ext && !strcasecmp(lexeme, ext_mne[k]));
+ int is_ortho = (find_ortho && !strcasecmp(lexeme, ortho_mne[k]));
+ if (is_base || is_ext || is_ortho) {
+ lex_type = (is_base) ? TOK_OPCODE : lex_type;
+ lex_type = (is_ext) ? TOK_EXTOP : lex_type;
+ lex_type = (is_ortho) ? TOK_ORTHO : lex_type;
+ isop = 1;
+ l->count++;
+ t = make_token(lex_type, 0xFF, space, tab, k, "", NULL);
+ break;
+ }
+ }
+ }
+ }
+ if (!isop) {
+ uint8_t spaces = 0;
+ if (l->tok->type == TOK_ORTHO && l->tok->byte == SET) {
+ for (k = 0; k < 8; k++) {
+ int upper = toupper(lexeme[0]);
+ if (upper == set_cc[k][0]) {
+ if (!strcasecmp(lexeme, set_cc[k])) {
+ lex_type = TOK_CC;
+ l->count++;
+ t = make_token(lex_type, 0xFF, space, tab, k, "", NULL);
+ }
+ }
+ }
+ }
+ for (; isdelm(str[i+spaces], dbg) == 16; spaces++);
+ uint8_t ret = get_ptok(str[i+spaces], dbg);
+ if (ret == PTOK_COLON || ret == PTOK_EQU) {
+ islocal = (lex_type == TOK_LOCAL);
+ }
+ lex_type = TOK_SYM;
+ l->count++;
+ t = make_token(lex_type, islocal, space, tab, 0, "", NULL);
+ memcpy(sym, lexeme, j+1);
+ if (dbg) {
+ printf("lex(): spaces: %u\n", spaces);
+ }
+ if (is_struct) {
+ create_struct(cur_sym, l, t, lt, sym, dbg);
+ islocal = 0;
+ } else if ((str[i+spaces] != ':' && str[i+spaces] != '=')) {
+ uint8_t sym_struct = 0;
+ symbol *s;
+ /*tmp_sym = (s && s->isstruct) ? NULL : tmp_sym;*/
+ if (tmp_sym) {
+ t->sym = find_member(lexeme, tmp_sym, dbg);
+ tmp_sym = NULL;
+ } else {
+ t->sym = get_sym(lexeme, address, t, islocal, dbg);
+ }
+ isfixup += (t && t->sym == NULL);
+ islocal = 0;
+ if (dbg) {
+ printf("lex(): isfixup: %u\n", isfixup);
+ }
+ }
+ if (!is_struct && t && t->sym && t->sym->isstruct) {
+ tmp_sym = t->sym;
+ }
+ }
+ break;
+ }
+ if (!l->tok && t) {
+ l->tok = tokens;
+ }
+ if (dbg) {
+ printf("lex(): lexeme: %s, lex_type: %s\n", lexeme, (lex_type != 0xFF) ? lex_tok[lex_type] : "TOK_NONE");
+ }
+ j = 0;
+ if ((lex_type == TOK_OPCODE || lex_type == TOK_EXTOP) && !isop) {
+ j = 0;
+ } else if (lex_type == TOK_EXPR || (lex_type != TOK_MEMBER && !isdelm2(str[i], dbg))) {
+ i++;
+ }
+ switch (lex_type) {
+ default:
+ lex_type = 0xFF;
+ case TOK_CSV:
+ case TOK_IND:
+ case TOK_LOCAL:
+ memset(lexeme, 0, strlen(lexeme)+1);
+ case TOK_SYM:
+ break;
+ }
+ if (t) {
+ lt = t;
+ t = t->next;
+ }
+ }
+ if (i) {
+ l->tok = tokens;
+ token *tok = tokens;
+ if (tok->id == TOK_SYM && tok->next) {
+ symbol *s = tok->sym;
+ for (; tok; tok = tok->next) {
+ switch (tok->id) {
+ case TOK_HEX :
+ case TOK_BIN :
+ case TOK_DEC :
+ case TOK_CHAR:
+ case TOK_EXPR:
+ s->val = get_val(tok, address, 3, dbg);
+ if (tok->next) {
+ tok = skip_expr(tok, dbg);
+ }
+ break;
+ }
+ }
+ }
+ tokens = NULL;
+ last_tok = NULL;
+ bytecount dummy;
+ if (!is_struct) {
+ l = (tmp_line) ? tmp_line : l;
+ address = parse_tokens(l->tok, &l, &dummy, 0, address, dbg);
+ if (tmp_line) {
+ tmp_line = NULL;
+ }
+ }
+ if (dbg) {
+ printf("lex(): Next address: $%"PRIX64"\n", address);
+ }
+ if (ln > linenum || islinenum) {
+ l->linenum = ln;
+ if (ln > linenum) {
+ linenum+=(10+(ln & 10));
+ }
+ } else if (!islinenum) {
+ l->linenum = linenum;
+ linenum += 10;
+ }
+ }
+ return address;
+}
diff --git a/lexer/backup/lexer.h b/lexer/backup/lexer.h
new file mode 100644
index 0000000..2595158
--- /dev/null
+++ b/lexer/backup/lexer.h
@@ -0,0 +1,228 @@
+static uint8_t isdelm(char c, uint8_t dbg) {
+ switch (c) {
+ default : return 0x00;
+ case '\0':
+ case '\n': return 0x01;
+ case ',' : return 0x02;
+ case '\"': return 0x04;
+ case '\'': return 0x08;
+ case '\t':
+ case ' ' : return 0x10;
+ }
+}
+
+static uint8_t isdelm2(char c, uint8_t dbg) {
+ switch (c) {
+ default : return 0;
+ case ')' :
+ case ',' :
+ case '.' :
+ case '+' :
+ case '<' :
+ case '|' :
+ case '>' :
+ case '-' :
+ case ':' :
+ case '=' :
+ case ';' :
+ case '\0':
+ case '\n': return 1;
+ case '\t':
+ case ' ' : return 2;
+ }
+}
+
+static uint8_t get_ptok(char c, uint8_t dbg) {
+ switch (c) {
+ case '.' : return PTOK_DOT ;
+ case '@' : return PTOK_AT ;
+ case ':' : return PTOK_COLON ;
+ case '=' : return PTOK_EQU ;
+ case '+' : return PTOK_PLUS ;
+ case '-' : return PTOK_MINUS ;
+ case '>' : return PTOK_GT ;
+ case '<' : return PTOK_LT ;
+ case '|' : return PTOK_PIPE ;
+ case '(' : return PTOK_LBRACK ;
+ case ')' : return PTOK_RBRACK ;
+ case ',' : return PTOK_COMMA ;
+ case 'B': case 'b' : return PTOK_B ;
+ case 'E': case 'e' : return PTOK_E ;
+ case 'X': case 'x' : return PTOK_X ;
+ case 'Y': case 'y' : return PTOK_Y ;
+ case 'S': case 's' : return PTOK_S ;
+ case 'P': case 'p' : return PTOK_P ;
+ case 'A': case 'a' : return PTOK_A ;
+ case 'C': case 'c' : return PTOK_C ;
+ case 'D': case 'd' : return PTOK_D ;
+ case 'F': case 'f' : return PTOK_F ;
+ case 'R': case 'r' : return PTOK_R ;
+ case '\"': return PTOK_DQUOTE ;
+ case '\'': return PTOK_SQUOTE ;
+ case '#' : return PTOK_HASH ;
+ case ';' : return PTOK_SCOLON ;
+ case '$' : return PTOK_DOLLAR ;
+ case '%' : return PTOK_PERCENT;
+ default :
+ if (isdigit(c)) {
+ return PTOK_NUMBER;
+ } else if (isalpha(c) || c == '_') {
+ return PTOK_ALPHA;
+ } else {
+ return PTOK_OTHER;
+ }
+ }
+}
+
+static uint8_t is_altok(uint8_t ptok, uint8_t dbg) {
+ switch (ptok) {
+ case PTOK_B:
+ case PTOK_E:
+ case PTOK_X:
+ case PTOK_Y:
+ case PTOK_S:
+ case PTOK_P: return 1;
+ default : return 0;
+ }
+}
+
+#if 0
+static int handle_dot(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_at(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_colon(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_equ(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_plus(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_minus(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_gt(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_lt(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_pipe(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_lbrack(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_rbrack(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_comma(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_b(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_e(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_x(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_y(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_s(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_p(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_dquote(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_squote(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_hash(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_scolon(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_dollar(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_percent(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+static int handle_number(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_alpha(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_other(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+ return idx+1;
+}
+
+typedef int (*ptok_func)(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg);
+
+static ptok_func ptok_handler[PTOK_OTHER+1] = {
+ [PTOK_DOT ] = handle_dot,
+ [PTOK_AT ] = handle_at,
+ [PTOK_COLON ] = handle_colon,
+ [PTOK_EQU ] = handle_equ,
+ [PTOK_PLUS ] = handle_plus,
+ [PTOK_MINUS ] = handle_minus,
+ [PTOK_GT ] = handle_gt,
+ [PTOK_LT ] = handle_lt,
+ [PTOK_PIPE ] = handle_pipe,
+ [PTOK_LBRACK ] = handle_lbrack,
+ [PTOK_RBRACK ] = handle_rbrack,
+ [PTOK_COMMA ] = handle_comma,
+ [PTOK_B ] = handle_b,
+ [PTOK_E ] = handle_e,
+ [PTOK_X ] = handle_x,
+ [PTOK_Y ] = handle_y,
+ [PTOK_S ] = handle_s,
+ [PTOK_P ] = handle_p,
+ [PTOK_DQUOTE ] = handle_dquote,
+ [PTOK_SQUOTE ] = handle_squote,
+ [PTOK_HASH ] = handle_hash,
+ [PTOK_SCOLON ] = handle_scolon,
+ [PTOK_DOLLAR ] = handle_dollar,
+ [PTOK_PERCENT] = handle_percent,
+ [PTOK_NUMBER ] = handle_number,
+ [PTOK_ALPHA ] = handle_alpha,
+ [PTOK_OTHER ] = handle_other
+};
+#endif
diff --git a/lexer/cpu/sux/cpu.c b/lexer/cpu/sux/cpu.c
new file mode 100644
index 0000000..cd6d364
--- /dev/null
+++ b/lexer/cpu/sux/cpu.c
@@ -0,0 +1,30 @@
+#include <ctype.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+static char current_ext;
+
+int is_ext(char c) {
+ return (c && c != '.' && !isspace(c));
+}
+
+void cpu_error(int code) {
+
+}
+
+char *lex_inst(char *s, int *inst_len, char **ext, int *ext_len, int *ext_count) {
+ char *inst = s;
+ int count = *ext_count;
+ for (; is_ext(*s); s++);
+ *inst_len = s - inst;
+ for (; *s++ == '.' && count < MAX_QUALIFIERS;) {
+ ext[count] = s;
+ for (; is_ext(*s); s++);
+ ext_len[count] = s - ext[count];
+ (ext_len[count] <= 0) ? (cpu_error(34)) : (count++);
+ }
+ *ext_count = count;
+ current_ext = (count > 0) ? tolower(ext[0][0]) : '\0';
+ return s;
+}
diff --git a/lexer/enums.h b/lexer/enums.h
new file mode 100644
index 0000000..07338ee
--- /dev/null
+++ b/lexer/enums.h
@@ -0,0 +1,540 @@
+enum am {
+ /* Part of Base ISA. */
+ IMM, /* Immediate Data. */
+ ZM, /* Zero Matrix. */
+ ZMX, /* Zero Matrix, indexed with X. */
+ ZMY, /* Zero Matrix, indexed with Y. */
+ IND, /* Indirect. */
+ INDX, /* Indexed Indirect. */
+ INDY, /* Indirect Indexed. */
+ ABS, /* Absolute. */
+ REL, /* Relative to Program Counter. */
+ BREG, /* B Register. */
+ IMPL, /* Implied. */
+ /* Part of Base Extension. */
+ ABSX, /* Absolute, Indexed with X. */
+ ABSY, /* Absolute, Indexed with Y. */
+ AIND, /* Absolute Indirect. */
+ AINDX, /* Absolute Indexed Indirect. */
+ AINDY, /* Absolute Indirect Indexed. */
+ EIND, /* Effective Address Register, Indirect. */
+};
+
+/* Part of the Orthogonal Extension. */
+enum ortho_reg {
+ REG_A,
+ REG_B,
+ REG_X,
+ REG_Y,
+ REG_E,
+ REG_C,
+ REG_D,
+ REG_S,
+ REG_F,
+ REG_SP,
+ REG_BP,
+ REG_R11,
+ REG_R12,
+ REG_R13,
+ REG_R14,
+ REG_R15,
+};
+
+enum ortho_mem {
+ MEM_ABS, /* Absolute. */
+ MEM_ZM, /* Zero Matrix. */
+ MEM_ABSR, /* Absolute, Indexed with register. */
+ MEM_ZMR, /* Zero Matrix, Indexed with register. */
+ MEM_ZINDR, /* Zero Matrix, Indirect Indexed Register. */
+ MEM_ZRIND, /* Zero Matrix, Indexed Indirect Register. */
+ MEM_AINDR, /* Absolute, Indirect Indexed Register. */
+ MEM_ARIND, /* Absolute, Indexed Indirect Register. */
+ MEM_RIND, /* Register Indirect. */
+ MEM_SIB, /* Scale Index Base. */
+};
+
+enum mne {
+ ADC,
+ AND,
+ ASR,
+ BCC,
+ BCS,
+ BEQ,
+ BNE,
+ BNG,
+ BPO,
+ BRA,
+ BRK,
+ BVC,
+ BVS,
+ CLC,
+ CLI,
+ CLV,
+ CMP,
+ CPB,
+ CPS,
+ CPX,
+ CPY,
+ DEB,
+ DEC,
+ DEX,
+ DEY,
+ DIV,
+ INB,
+ INC,
+ INX,
+ INY,
+ JMP,
+ JSR,
+ LDA,
+ LDB,
+ LDX,
+ LDY,
+ LSL,
+ LSR,
+ MUL,
+ NOP,
+ ORA,
+ PHA,
+ PHB,
+ PHP,
+ PHX,
+ PHY,
+ PLA,
+ PLB,
+ PLP,
+ PLX,
+ PLY,
+ ROL,
+ ROR,
+ RTI,
+ RTS,
+ SBC,
+ SEC,
+ SEI,
+ STA,
+ STB,
+ STX,
+ STY,
+ TAB,
+ TAX,
+ TAY,
+ TBA,
+ TSX,
+ TXA,
+ TXS,
+ TXY,
+ TYA,
+ TYX,
+ WAI,
+ XOR
+};
+
+enum ext_mne {
+ LEA,
+ PEA,
+ ADD,
+ SUB,
+ ADE,
+ SBE,
+ ADS,
+ SBS,
+ NOT,
+ LLM,
+ LRM,
+ RLM,
+ RRM,
+ ARM,
+ PHE,
+ PLE,
+ CPE,
+ ICE,
+ LDS,
+ DEE,
+ INE,
+ DES,
+ INS,
+ STS,
+ STE,
+ STZ,
+ SCO,
+ ECO,
+ CLZ,
+ CLO,
+ BIT,
+ MMV,
+ SWP,
+ PCN,
+ REP,
+ REQ,
+ RNE,
+ LNG,
+ LPO,
+ LCS,
+ LCC,
+ LEQ,
+ LNE,
+ SNG,
+ SPO,
+ SCS,
+ SCC,
+ SEQ,
+ SNE
+};
+
+enum ortho_mne {
+ MNG,
+ MPO,
+ MCS,
+ MCC,
+ MEQ,
+ MNE,
+ MVS,
+ MVC,
+ OR ,
+ MOV,
+ IML,
+ IDV,
+ PSH,
+ PUL,
+ NEG,
+ SET
+};
+
+enum base_isa {
+ CPS_IMP = 0x00, /* Clear Processor Status. */
+ ADC_IMM = 0x01, /* ADd with Carry. */
+ ROR_IMM = 0x02, /* ROtate Right. */
+ CPB_IMM = 0x04, /* ComPare B register. */
+ ADC_Z = 0x05, /* ADC Zero Matrix. */
+ ROR_Z = 0x06, /* ROR Zero Matrix. */
+ CPB_Z = 0x08, /* CPB Zero Matrix. */
+ CLC_IMP = 0x09, /* CLear Carry flag. */
+ TAB_IMP = 0x0A, /* Transfer Accumulator to B. */
+ STY_Z = 0x0C, /* STore Y register. */
+ JMP_AB = 0x10, /* JMP Absolute. */
+ ADC_AB = 0x11, /* ADC Absolute. */
+ ROR_AB = 0x12, /* ROR Absolute. */
+ CPB_AB = 0x14, /* CPB Absolute. */
+ ADC_B = 0x15, /* ADC B Register. */
+ ROR_B = 0x16, /* ROR B Register. */
+ STY_AB = 0x18, /* STY Absolute. */
+ SEC_IMP = 0x19, /* SEt Carry flag. */
+ TBA_IMP = 0x1A, /* Transfer B to Accumulator. */
+ JMP_Z = 0x20, /* JuMP to memory location. */
+ SBC_IMM = 0x21, /* SuBtract with Carry. */
+ MUL_IMM = 0x22, /* MULtiply accumulator. */
+ CPX_IMM = 0x24, /* ComPare X register. */
+ SBC_Z = 0x25, /* SBC Zero Matrix. */
+ MUL_Z = 0x26, /* MUL Zero Matrix. */
+ CPX_Z = 0x28, /* CPX Zero Matrix. */
+ CLI_IMP = 0x29, /* CLear Interupt flag. */
+ TAY_IMP = 0x2A, /* Transfer Accumulator to Y. */
+ STA_Z = 0x2C, /* STore Accumulator. */
+ STA_ZX = 0x2E, /* STA Zero Marrix, Indexed with X. */
+ JSR_AB = 0x30, /* JSR Absolute. */
+ SBC_AB = 0x31, /* SBC Absolute. */
+ MUL_AB = 0x32, /* MUL Absolute. */
+ CPX_AB = 0x34, /* CPX Absolute. */
+ SBC_B = 0x35, /* SBC B Register. */
+ MUL_B = 0x36, /* MUL B Register. */
+ STA_AB = 0x38, /* STA Absolute. */
+ SEI_IMP = 0x39, /* SEt Interupt flag. */
+ TYA_IMP = 0x3A, /* Transfer Y to Accumulator. */
+ STA_ZY = 0x3C, /* STA Zero Marrix, Indexed with Y. */
+ STA_IX = 0x3E, /* STA Indexed Indirect. */
+ JSR_Z = 0x40, /* Jump to SubRoutine. */
+ AND_IMM = 0x41, /* bitwise AND with accumulator. */
+ DIV_IMM = 0x42, /* DIVide with accumulator. */
+ CPY_IMM = 0x44, /* ComPare Y register. */
+ AND_Z = 0x45, /* AND Zero Matrix. */
+ DIV_Z = 0x46, /* DIV Zero Matrix. */
+ CPY_Z = 0x48, /* CPY Zero Matrix. */
+ CLV_IMP = 0x49, /* CLear oVerflow flag. */
+ TAX_IMP = 0x4A, /* Transfer Accumulator to X. */
+ STB_Z = 0x4C, /* STore B register. */
+ STB_ZX = 0x4E, /* STB Zero Marrix, Indexed with X. */
+ RTS_IMP = 0x50, /* ReTurn from Subroutine. */
+ AND_AB = 0x51, /* AND Absolute. */
+ DIV_AB = 0x52, /* DIV Absolute. */
+ CPY_AB = 0x54, /* CPY Absolute. */
+ AND_B = 0x55, /* AND B Register. */
+ DIV_B = 0x56, /* DIV B Register. */
+ STB_AB = 0x58, /* STB Absolute. */
+ WAI_IMP = 0x59, /* WAit for Interrupt. */
+ TXA_IMP = 0x5A, /* Transfer X to Accumulator. */
+ STB_ZY = 0x5C, /* STB Zero Marrix, Indexed with Y. */
+ STB_IX = 0x5E, /* STB Indexed Indirect. */
+ RTI_IMP = 0x60, /* ReTurn from Interrupt. */
+ ORA_IMM = 0x61, /* bitwise OR with Accumulator. */
+ ASR_IMM = 0x62, /* Arithmetic Shift Right. */
+ LDX_IMM = 0x64, /* LoaD X register. */
+ ORA_Z = 0x65, /* ORA Zero Matrix. */
+ ASR_Z = 0x66, /* ASR Zero Matrix. */
+ LDX_Z = 0x68, /* LDX Zero Matrix. */
+ BRK_IMP = 0x69, /* BReaK. */
+ TYX_IMP = 0x6A, /* Transfer Y to X. */
+ STX_Z = 0x6C, /* STore X register. */
+ PHP_IMP = 0x6E, /* PusH Processor status to stack. */
+ BPO_REL = 0x70, /* Branch if POsitive. */
+ ORA_AB = 0x71, /* ORA Absolute. */
+ ASR_AB = 0x72, /* ASR Absolute. */
+ LDX_AB = 0x74, /* LDX Absolute. */
+ ORA_B = 0x75, /* ORA B Register. */
+ ASR_B = 0x76, /* ASR B Register. */
+ STX_AB = 0x78, /* STX Absolute. */
+ DEY_IMP = 0x79, /* DEcrement Y register. */
+ TXY_IMP = 0x7A, /* Transfer X to Y. */
+ CPB_IN = 0x7C, /* CPB Indirect */
+ PLP_IMP = 0x7E, /* PuLl Processor status from stack. */
+ BNG_REL = 0x80, /* Branch if NeGative. */
+ XOR_IMM = 0x81, /* bitwise XOR with accumulator. */
+ CMP_IMM = 0x82, /* CoMPare accumulator. */
+ DEC_IMP = 0x84, /* DECrement accumulator. */
+ XOR_Z = 0x85, /* XOR Zero Matrix. */
+ CMP_Z = 0x86, /* CMP Zero Matrix. */
+ DEC_Z = 0x88, /* DEC Zero Matrix. */
+ INY_IMP = 0x89, /* INcrement Y register. */
+ TSX_IMP = 0x8A, /* Transfer Stack pointer to X. */
+ CMP_IN = 0x8C, /* CMP Indirect */
+ PHA_IMP = 0x8E, /* PusH Accumulator to stack. */
+ BCS_REL = 0x90, /* Branch if Carry Set. */
+ XOR_AB = 0x91, /* XOR Absolute. */
+ CMP_AB = 0x92, /* CMP Absolute. */
+ DEC_AB = 0x94, /* DEC Absolute. */
+ XOR_B = 0x95, /* XOR B Register. */
+ CMP_B = 0x96, /* CMP B Register. */
+ DEB_IMP = 0x99, /* Decrement B register. */
+ TXS_IMP = 0x9A, /* Transfer X to Stack pointer. */
+ STY_IN = 0x9C, /* STY Indirect */
+ PLA_IMP = 0x9E, /* PuLl Accumulator from stack. */
+ BCC_REL = 0xA0, /* Branch if Carry Clear. */
+ LSL_IMM = 0xA1, /* Logical Shift Left. */
+ LDY_IMM = 0xA2, /* LoaD Y register. */
+ INC_IMP = 0xA4, /* INCrement accumulator. */
+ LSL_Z = 0xA5, /* LSL Zero Matrix. */
+ LDY_Z = 0xA6, /* LDY Zero Matrix. */
+ INC_Z = 0xA8, /* INC Zero Matrix. */
+ INB_IMP = 0xA9, /* Increment B register. */
+ CMP_IX = 0xAA, /* CMP Indexed Indirect. */
+ LDY_IN = 0xAC, /* LDY Indirect */
+ PHB_IMP = 0xAE, /* PusH B register to stack. */
+ BEQ_REL = 0xB0, /* Branch if EQual. */
+ LSL_AB = 0xB1, /* LSL Absolute. */
+ LDY_AB = 0xB2, /* LDY Absolute. */
+ INC_AB = 0xB4, /* INC Absolute. */
+ LSL_B = 0xB5, /* LSL B Register. */
+ DEX_IMP = 0xB9, /* DEcrement X register. */
+ CPB_IX = 0xBA, /* CPB Indexed Indirect. */
+ LDX_IN = 0xBC, /* LDX Indirect */
+ PLB_IMP = 0xBE, /* PuLl B register to stack. */
+ BNE_REL = 0xC0, /* Branch if Not Equal. */
+ LSR_IMM = 0xC1, /* Logical Shift Right. */
+ LDA_IMM = 0xC2, /* LoaD Accumulator. */
+ LDA_IN = 0xC4, /* LDA Indirect */
+ LSR_Z = 0xC5, /* LSR Zero Matrix. */
+ LDA_Z = 0xC6, /* LDA Zero Matrix. */
+ LDA_ZX = 0xC8, /* LDA Zero Marrix, Indexed with X. */
+ INX_IMP = 0xC9, /* INcrement X register. */
+ STA_IY = 0xCA, /* STA Indirect Indexed. */
+ STX_IN = 0xCC, /* STX Indirect */
+ PHY_IMP = 0xCE, /* PusH Y register to stack. */
+ BVS_REL = 0xD0, /* Branch if oVerflow Set. */
+ LSR_AB = 0xD1, /* LSR Absolute. */
+ LDA_AB = 0xD2, /* LDA Absolute. */
+ STA_IN = 0xD4, /* STA Indirect */
+ LSR_B = 0xD5, /* LSR B Register. */
+ LDA_ZY = 0xD6, /* LDA Zero Marrix, Indexed with Y. */
+ LDA_IX = 0xD8, /* LDA Indexed Indirect. */
+ LDA_IY = 0xD9, /* LDA Indirect Indexed. */
+ STB_IY = 0xDA, /* STB Indirect Indexed. */
+ JSR_IN = 0xDC, /* JSR Indirect */
+ PLY_IMP = 0xDE, /* PuLl Y register from stack. */
+ BVC_REL = 0xE0, /* Branch if oVerflow Clear. */
+ ROL_IMM = 0xE1, /* ROtate Left. */
+ LDB_IMM = 0xE2, /* LoaD B register. */
+ LDB_IN = 0xE4, /* LDB Indirect */
+ ROL_Z = 0xE5, /* ROL Zero Matrix. */
+ LDB_Z = 0xE6, /* LDB Zero Matrix. */
+ LDB_ZX = 0xE8, /* LDB Zero Marrix, Indexed with X. */
+ LDB_IY = 0xE9, /* LDB Indirect Indexed. */
+ NOP_IMP = 0xEA, /* No OPeration. */
+ JMP_IN = 0xEC, /* JMP Indirect */
+ PHX_IMP = 0xEE, /* PusH X register to stack. */
+ BRA_REL = 0xF0, /* BRanch Always. */
+ ROL_AB = 0xF1, /* ROL Absolute. */
+ LDB_AB = 0xF2, /* LDB Absolute. */
+ STB_IN = 0xF4, /* STB Indirect */
+ ROL_B = 0xF5, /* ROL B Register. */
+ LDB_ZY = 0xF6, /* LDB Zero Marrix, Indexed with Y. */
+ LDB_IX = 0xF8, /* LDB Indexed Indirect. */
+ CMP_IY = 0xF9, /* CMP Indirect Indexed. */
+ CPB_IY = 0xFA, /* CPB Indirect Indexed. */
+ PLX_IMP = 0xFE /* PuLl X register from stack. */
+};
+
+enum base_ext {
+ LEA_AY = 0x03, /* LEA Absolute, indexed with Y. */
+ ADD_IMM = 0x06, /* ADD without carry. */
+ LEA_Z = 0x07, /* Load Effective Address. */
+ CPE_IMM = 0x08, /* ComPare Effective address register. */
+ CLZ_Z = 0x09, /* Count Leading Zeros. */
+ ADD_Z = 0x0A, /* ADD Zero Matrix. */
+ STB_E = 0x0B, /* STB E Indirect. */
+ CPE_Z = 0x0C, /* CPE Zero Matrix. */
+ LNG_IMM = 0x0D, /* Load accumulator, if NeGative. */
+ LNG_E = 0x0E, /* LNG E Indirect. */
+ JMP_E = 0x10, /* JMP E Indirect. */
+ ADC_E = 0x11, /* ADC E Indirect. */
+ ROR_E = 0x12, /* ROR E Indirect. */
+ LEA_AB = 0x13, /* LEA Absolute. */
+ CLZ_AB = 0x15, /* CLZ Absolute. */
+ ADD_AB = 0x16, /* ADD Absolute. */
+ LEA_ZY = 0x17, /* LEA Zero Matrix, indexed with Y. */
+ CPE_AB = 0x18, /* CPE Absolute. */
+ CLZ_E = 0x19, /* CLZ E Indirect. */
+ ADD_E = 0x1A, /* ADD E Indirect. */
+ LDX_E = 0x1B, /* LDX E Indirect. */
+ SNG_E = 0x1E, /* Store accumulator, if NeGative. */
+ PEA_AY = 0x23, /* PEA Absolute, indexed with Y. */
+ SUB_IMM = 0x26, /* SUBtract without carry. */
+ PEA_Z = 0x27, /* Push Effective Address. */
+ CLO_Z = 0x29, /* Count Leading Ones. */
+ SUB_Z = 0x2A, /* SUB Zero Matrix. */
+ STX_E = 0x2B, /* STX E Indirect. */
+ ICE_Z = 0x2C, /* Interlocked Compare, and Exchange. */
+ LPO_IMM = 0x2D, /* Load accumulator, if POsitive. */
+ LPO_E = 0x2E, /* LPO E Indirect. */
+ JSR_E = 0x30, /* JSR E Indirect. */
+ SBC_E = 0x31, /* SBC E Indirect. */
+ MUL_E = 0x32, /* MUL E Indirect. */
+ PEA_AB = 0x33, /* PEA Absolute. */
+ CLO_AB = 0x34, /* CLO Absolute. */
+ SUB_AB = 0x35, /* SUB Absolute. */
+ PEA_ZY = 0x37, /* PEA Zero Matrix, indexed with Y. */
+ ICE_AB = 0x38, /* ICE Absolute. */
+ CLO_E = 0x39, /* CLO E Indirect. */
+ SUB_E = 0x3A, /* SUB E Indirect. */
+ CPB_E = 0x3B, /* CPB E Indirect. */
+ ICE_E = 0x3C, /* ICE E Indirect. */
+ SPO_E = 0x3E, /* Store accumulator, if POsitive. */
+ LDS_IMM = 0x40, /* LoaD Stack pointer. */
+ LEA_AI = 0x43, /* LEA Absolute Indirect. */
+ LDS_Z = 0x44, /* LDS Zero Matrix. */
+ ADE_IMM = 0x46, /* ADd Effective address register. */
+ LEA_IN = 0x47, /* LEA Indirect. */
+ BIT_Z = 0x49, /* BIt Test. */
+ ADE_Z = 0x4A, /* ADE Zero Matrix. */
+ CPX_E = 0x4B, /* CPX E Indirect. */
+ LLM_Z = 0x4C, /* Logical shift Left, on Memory. */
+ LCS_IMM = 0x4D, /* Load accumulator, if Carry Set. */
+ LCS_E = 0x4E, /* LCS E Indirect. */
+ LDS_AB = 0x50, /* LDS Absolute. */
+ AND_E = 0x51, /* AND E Indirect. */
+ DIV_E = 0x52, /* DIV E Indirect. */
+ LEA_AX = 0x53, /* LEA Absolute, indexed with X. */
+ LDS_E = 0x54, /* LDS E Indirect. */
+ BIT_AB = 0x55, /* BIT Absolute. */
+ ADE_AB = 0x56, /* ADE Absolute. */
+ LEA_ZX = 0x57, /* LEA Zero Matrix, indexed with X. */
+ LLM_AB = 0x58, /* LLM Absolute. */
+ BIT_E = 0x59, /* BIT E Indirect. */
+ CPY_E = 0x5B, /* CPY E Indirect. */
+ LLM_E = 0x5C, /* LLM E Indirect. */
+ SCS_E = 0x5E, /* Store accumulator, if Carry Set. */
+ SCO_IMM = 0x60, /* Start one, or more COre(s). */
+ PEA_AI = 0x63, /* PEA Absolute Indirect. */
+ SCO_Z = 0x64, /* SCO Zero Matrix. */
+ SBE_IMM = 0x66, /* SuBtract Effective address register. */
+ PEA_IN = 0x67, /* PEA Indirect. */
+ SBE_Z = 0x6A, /* SBE Zero Matrix. */
+ PHE_IMP = 0x6B, /* PusH Effective address register to stack. */
+ LRM_Z = 0x6C, /* Logical shift Right, on Memory. */
+ LCC_IMM = 0x6D, /* Load accumulator, if Carry Clear. */
+ LCC_E = 0x6E, /* LCC E Indirect. */
+ SCO_AB = 0x70, /* SCO Absolute. */
+ ORA_E = 0x71, /* ORA E Indirect. */
+ ASR_E = 0x72, /* ASR E Indirect. */
+ PEA_AX = 0x73, /* PEA Absolute, indexed with X. */
+ SCO_E = 0x74, /* SCO E Indirect. */
+ SBE_AB = 0x76, /* SBE Absolute. */
+ PEA_ZX = 0x77, /* PEA Zero Matrix, indexed with X. */
+ LRM_AB = 0x78, /* LRM Absolute. */
+ PLE_IMP = 0x7B, /* PuLl Effective address register from stack. */
+ LRM_E = 0x7C, /* LRM E Indirect. */
+ SCC_E = 0x7E, /* Store accumulator, if Carry Clear. */
+ ECO_IMM = 0x80, /* End one, or more COre(s). */
+ DEC_E = 0x82, /* DEC E Indirect. */
+ LEA_AIY = 0x83, /* LEA Absolute Indirect Indexed. */
+ ECO_Z = 0x84, /* ECO Zero Matrix. */
+ ADS_IMM = 0x86, /* ADd Stack pointer. */
+ LEA_IY = 0x87, /* LEA Indirect Indexed. */
+ ADS_Z = 0x8A, /* ADS Zero Matrix. */
+ DEE_IMP = 0x8B, /* DEcrement Effective address register. */
+ RLM_Z = 0x8C, /* Rotate Left, on Memory. */
+ LEQ_IMM = 0x8D, /* Load accumulator, if EQual. */
+ LEQ_E = 0x8E, /* LEQ E Indirect. */
+ ECO_AB = 0x90, /* ECO Absolute. */
+ XOR_E = 0x91, /* XOR E Indirect. */
+ CMP_E = 0x92, /* CMP E Indirect. */
+ LEA_AIX = 0x93, /* LEA Absolute Indexed Indirect. */
+ ECO_E = 0x94, /* ECO E Indirect. */
+ ADS_AB = 0x96, /* ADS Absolute. */
+ LEA_IX = 0x97, /* LEA Indexed Indirect. */
+ RLM_AB = 0x98, /* RLM Absolute. */
+ ADS_E = 0x9A, /* ADS E Indirect. */
+ INE_IMP = 0x9B, /* INcrement Effective address register. */
+ RLM_E = 0x9C, /* RLM E Indirect. */
+ SEQ_E = 0x9E, /* Store accumulator, if EQual. */
+ INC_E = 0xA2, /* INC E Indirect. */
+ PEA_AIY = 0xA3, /* PEA Absolute Indirect Indexed. */
+ STS_Z = 0xA4, /* STore Stack pointer. */
+ SBS_IMM = 0xA6, /* SuBtract Stack pointer. */
+ PEA_IY = 0xA7, /* PEA Indirect Indexed. */
+ SBS_Z = 0xAA, /* SBS Zero Matrix. */
+ DES_IMP = 0xAB, /* DEcrement Stack pointer. */
+ RRM_Z = 0xAC, /* Rotate Right, on Memory. */
+ LNE_IMM = 0xAD, /* Load accumulator, if Not Equal. */
+ LNE_E = 0xAE, /* LNE E Indirect. */
+ STS_AB = 0xB0, /* STS Absolute. */
+ LSL_E = 0xB1, /* LSL E Indirect. */
+ LDY_E = 0xB2, /* LDY E Indirect. */
+ PEA_AIX = 0xB3, /* PEA Absolute Indexed Indirect. */
+ STS_E = 0xB4, /* STS E Indirect. */
+ SBS_AB = 0xB6, /* SBS Absolute. */
+ PEA_IX = 0xB7, /* PEA Indexed Indirect. */
+ RRM_AB = 0xB8, /* RRM Absolute. */
+ SBS_E = 0xBA, /* SBS E Indirect. */
+ INS_IMP = 0xBB, /* INcrement Stack pointer. */
+ RRM_E = 0xBC, /* RRM E Indirect. */
+ REP_REL = 0xBD, /* REPeat until counter is zero. */
+ SNE_E = 0xBE, /* Store accumulator, if Not Equal. */
+ STY_E = 0xC2, /* STY E Indirect. */
+ STE_Z = 0xC4, /* STore Effective address register. */
+ NOT_A = 0xC6, /* bitwise NOT with accumulator. */
+ NOT_Z = 0xCA, /* NOT Zero Matrix. */
+ MMV_IMP = 0xCB, /* Memory MoVe. */
+ ARM_Z = 0xCC, /* Arithmetic shift Right, on Memory. */
+ REQ_REL = 0xCD, /* Repeat until either counter is zero, or zero flag isn't set. */
+ STE_AB = 0xD0, /* STE Absolute. */
+ LSR_E = 0xD1, /* LSR E Indirect. */
+ LDA_E = 0xD2, /* LDA E Indirect. */
+ NOT_AB = 0xD6, /* NOT Absolute. */
+ ARM_AB = 0xD8, /* ARM Absolute. */
+ NOT_E = 0xDA, /* NOT E Indirect. */
+ ARM_E = 0xDC, /* ARM E Indirect. */
+ RNE_REL = 0xDD, /* Repeat until either counter is zero, or zero flag is set. */
+ STA_E = 0xE2, /* STA E Indirect. */
+ STZ_Z = 0xE4, /* STore Zero. */
+ SWP_A = 0xE6, /* SWaP lower half, with upper half. */
+ SWP_Z = 0xEA, /* SWP Zero Matrix. */
+ PCN_Z = 0xEC, /* Population CouNt. */
+ STZ_AB = 0xF0, /* STZ Absolute. */
+ ROL_E = 0xF1, /* ROL E Indirect. */
+ LDB_E = 0xF2, /* LDB E Indirect. */
+ STZ_E = 0xF4, /* STZ E Indirect. */
+ SWP_AB = 0xF6, /* SWP Absolute. */
+ PCN_AB = 0xF8, /* PCN Absolute. */
+ SWP_E = 0xFA, /* SWP E Indirect. */
+ PCN_E = 0xFC /* PCN E Indirect. */
+};
diff --git a/lexer/lexer.c b/lexer/lexer.c
new file mode 100644
index 0000000..1bc7144
--- /dev/null
+++ b/lexer/lexer.c
@@ -0,0 +1,311 @@
+#include "asmmon.h"
+#include "cpu/sux/cpu.h"
+#include "lexer.h"
+
+/* Name: isidstart()
+ * Desc: Checks if the character is the start of a valid identifier.
+ * Args:
+ * c: The character to check.
+ * Return value: Returns true if the character is the start of a valid identifier, and false if not.
+ */
+
+int isidstart(char c) {
+ return (isalpha(c) || c == '@' || c == '_');
+}
+
+/* Name: isidchar()
+ * Desc: Checks if the character is a valid identifier character.
+ * Args:
+ * c: The character to check.
+ * Return value: Returns true if the character is a valid identifier character, and false if not.
+ */
+
+int isidchar(char c) {
+ return (isalnum(c) || c == '_');
+}
+
+/* Name: skip()
+ * Desc: Skips any whitespace within a string.
+ * Args:
+ * s: The string to check.
+ * Return value: Returns a pointer to the content after the whitespace.
+ */
+
+char *skip(char *s) {
+ for (; isspace(*s); s++);
+ return s;
+}
+
+/* Name: iseol()
+ * Desc: Checks if the character is an end of line character.
+ * Args:
+ * c: The character to check.
+ * Return value: Returns true if the character is an end of line character, and false if not.
+ */
+
+int iseol(char c) {
+ return (c == '\0' || c == ';');
+}
+
+/* Name: eol()
+ * Desc: Checks for end of line, and issues an error, if end of line wasn't found.
+ * Args:
+ * s: The string to check.
+ * Return value: None.
+ */
+
+void eol(char *s) {
+ if (ignore_trail) {
+ if (!iseol(*s) && !isspace(*s)) {
+ syntax_error(6); /* End of line was not found. */
+ }
+ } else {
+ s = skip(s);
+ if (!iseol(*s)) {
+ syntax_error(6); /* End of line was not found. */
+ }
+ }
+}
+
+/* Name: isbadid()
+ * Desc: Checks if the string is an invalid identifier.
+ * Args:
+ * p: The string to check.
+ * len: Length of the string.
+ * Return value: Returns true if the string is an invalid identifier, and false if not.
+ */
+
+int isbadid(char *p, int len) {
+ return (len == 1 && (*p == '@' || *p == '_'));
+}
+
+/* Name: skip_operand()
+ * Desc: Skips the contents of an operand within a string, gives an error if there
+ * are either too many closing brackets, or missing closing brackets.
+ * Args:
+ * inst_op: Instruction operand flag.
+ * s: The string to check.
+ * Return value: Returns the content after the operand.
+ */
+
+char *skip_operand(int inst_op, char *s) {
+ int brack_count = 0; /* Bracket count. */
+ int done = 0; /* Loop done flag. */
+
+ for (char c = 0;; s++) {
+ c = *s;
+ switch (c) {
+ case '(': brack_count++; break;
+ case ')':
+ if (brack_count > 0) {
+ brack_count--;
+ } else {
+ syntax_error(3); /* Too many closing brackets. */
+ }
+ break;
+ case '\'':
+ case '\"': s = skip_string(s, c, NULL) - 1; break;
+ case '\0':
+ case ';' : done = 1; break;
+ default :
+ if ((!inst_op || (inst_op && OPERSEP_COMMA)) && c == ',' && !brack_count) {
+ done = 1;
+ break;
+ } else if (inst_op && OPERSEP_WHITESPACE && isspace(c) && !brack_count) {
+ done = 1;
+ break;
+ }
+ break;
+ }
+ if (done) {
+ break;
+ }
+ }
+ if (brack_count) {
+ syntax_error(4); /* Missing closing brackets. */
+ }
+ return s;
+}
+
+/* Name: skip_local()
+ * Desc: Skips the contents of a local label within a string.
+ * Args:
+ * p: The string to check.
+ * Return value: Returns either a pointer to the content after the local label, or NULL.
+ */
+
+char *skip_local(char *p) {
+ if (isidstart(*p) || isdigit(*p)) {
+ for (p++; isidchar(*p); p++);
+ } else {
+ p = NULL;
+ }
+ return p;
+}
+
+/* Name: get_local_label()
+ * Desc: Finds a local label within a line.
+ * Args:
+ * start: The start of the line.
+ * Return value: Returns either the name of the local label, or NULL.
+ */
+
+char *get_local_label(char **start) {
+ char *s = *start;
+ char *p = skip_local(s);
+ char *name = NULL;
+ if (p != NULL && *p == '@' && isidchar(p[1]) && isidstart(*s) && *s != '@') {
+ /* Skips the local part of a global@local label. */
+ s = p+1;
+ p = skip_local(p);
+ name = make_local_label(*start, (s-1) - *start, s, p-s);
+ *start = skip(p);
+ } else if (p != NULL && p > s+1 && *s == '@') { /* @label */
+ s++;
+ name = make_local_label(NULL, 0, s, p-s);
+ *start = skip(p);
+ }
+ return name;
+}
+
+/* Name: parse_label_or_pc()
+ * Desc: Finds a global/local label, or the current pc character within a line.
+ * Args:
+ * start: The line to parse.
+ * Return value: Returns either the name of a global/local label, the current pc character, or NULL.
+ */
+
+char *parse_label_or_pc(char **start) {
+ char *s = skip(*start);
+ char *name = parse_labeldef(start, 0);
+ if (name == NULL && *s == current_pc_char && !isidchar(s[1])) {
+ name = cnvstr(s, 1);
+ s = skip(s+1);
+ }
+ *start = (name) ? s : *start;
+ return name;
+}
+
+/* Name: lex()
+ * Desc: Lexically analyze/Tokenize a line into a stream of tokens.
+ * Args:
+ * line: The line that will be lexed/tokenized.
+ * address: Current address of the program counter.
+ * bline: Current number of blank lines before the current line.
+ * dbg: Debugging flag.
+ * Return value: Returns the address of the next line.
+ */
+
+uint64_t lex(char *line, uint64_t address, uint16_t bline, uint8_t dbg) {
+ char *s;
+ char *inst;
+ char *label_name;
+ char *ext[MAX_QUALIFIERS ? MAX_QUALIFIERS : 1];
+ char *op[MAX_OPERANDS];
+ int ext_len[MAX_QUALIFIERS ? MAX_QUALIFIERS : 1];
+ int op_len[MAX_OPERANDS];
+ int ext_cnt;
+ int op_cnt;
+ int inst_len;
+ s = line;
+ instruction *ip;
+
+ while (isdelm(*s, dbg) != 1) {
+ label_name = parse_label_or_pc(&s);
+ if (label_name) {
+ /* We found a global/local label, or the current pc character. */
+ symbol *label;
+ int equ_len = (*s == '=');
+ if (equ_len) {
+ /* Found an equate directive. */
+ if (*label_name == current_pc_char) {
+ handle_org(skip(s+equ_len));
+ continue;
+ } else {
+ s = skip(s+equ_len);
+ label = new_equate(label_name, parse_expr_tmplab(&s));
+ }
+ } else {
+ /* It's just a label. */
+ label = new_label_sym(0, label_name);
+ add_atom(0, new_label_atom(label));
+ }
+ if (!is_local_label(label_name) && autoexport) {
+ label->flags |= EXPORT;
+ }
+ free(label_name);
+ }
+ /* Check for directives first. */
+ s = skip(s);
+ if (*s == ';') {
+ continue;
+ }
+ if (*s == current_pc_char && s[1] == '=') { /* "*=" org directive. */
+ handle_org(skip(s+2));
+ continue;
+ }
+ if (handle_directive(s)) {
+ continue;
+ }
+ s = skip(s);
+ if (iseol(s)) {
+ continue;
+ }
+ /* Read the mnemonic name. */
+ inst = s;
+ if (!isidstart(*s)) {
+ syntax_error(10); /* Identifier was expected. */
+ continue;
+ }
+ #if !MAX_QUALLIFIERS
+ for (; *s && !isspace(*s); s++);
+ inst_len = s - inst;
+ #else
+ s = lex_inst(s, &inst_len, ext, ext_len, &ext_cnt);
+ #endif
+ if (!isspace(*s) && *s != '\0') {
+ syntax_error(2); /* No space before operand. */
+ }
+ s = skip(s);
+ if (handle_struct(inst, inst_len, s)) {
+ continue;
+ }
+ /* Read the operand(s), separated by comma, or whitespace (unless within brackets). */
+ op_cnt = 0;
+ while (!iseol(*s) && op_cnt < MAX_OPERANDS) {
+ op[op_cnt] = s;
+ s = skip_operand(1, s);
+ op_len[op_cnt] = oplen(s, op[op_cnt]);
+ op_cnt++;
+ if (ignore_trail) {
+ if (*s != ',') {
+ break;
+ }
+ s++;
+ } else {
+ s = skip(s);
+ if (OPERSEP_COMMA) {
+ if (*s == ',') {
+ s = skip(s+1);
+ } else if (!(OPERSEP_WHITESPACE)) {
+ break;
+ }
+ }
+ }
+ }
+ eol(s);
+ ip = new_inst(inst, inst_len, op_cnt, op, op_len);
+ if (ip) {
+ #if MAX_QUALIFIERS > 0
+ int i;
+ for (i = 0; i < ext_cnt; i++) {
+ ip->qualifiers[i] = cnvstr(ext[i], ext_len[i]);
+ }
+ for (; i < MAX_QUALIFIERS; i++) {
+ ip->qualifiers[i] = NULL;
+ }
+ #endif
+ add_atom(0, new_inst_atom(ip));
+ }
+ }
+}
diff --git a/lexer/lexer.h b/lexer/lexer.h
new file mode 100644
index 0000000..2595158
--- /dev/null
+++ b/lexer/lexer.h
@@ -0,0 +1,228 @@
+static uint8_t isdelm(char c, uint8_t dbg) {
+ switch (c) {
+ default : return 0x00;
+ case '\0':
+ case '\n': return 0x01;
+ case ',' : return 0x02;
+ case '\"': return 0x04;
+ case '\'': return 0x08;
+ case '\t':
+ case ' ' : return 0x10;
+ }
+}
+
+static uint8_t isdelm2(char c, uint8_t dbg) {
+ switch (c) {
+ default : return 0;
+ case ')' :
+ case ',' :
+ case '.' :
+ case '+' :
+ case '<' :
+ case '|' :
+ case '>' :
+ case '-' :
+ case ':' :
+ case '=' :
+ case ';' :
+ case '\0':
+ case '\n': return 1;
+ case '\t':
+ case ' ' : return 2;
+ }
+}
+
+static uint8_t get_ptok(char c, uint8_t dbg) {
+ switch (c) {
+ case '.' : return PTOK_DOT ;
+ case '@' : return PTOK_AT ;
+ case ':' : return PTOK_COLON ;
+ case '=' : return PTOK_EQU ;
+ case '+' : return PTOK_PLUS ;
+ case '-' : return PTOK_MINUS ;
+ case '>' : return PTOK_GT ;
+ case '<' : return PTOK_LT ;
+ case '|' : return PTOK_PIPE ;
+ case '(' : return PTOK_LBRACK ;
+ case ')' : return PTOK_RBRACK ;
+ case ',' : return PTOK_COMMA ;
+ case 'B': case 'b' : return PTOK_B ;
+ case 'E': case 'e' : return PTOK_E ;
+ case 'X': case 'x' : return PTOK_X ;
+ case 'Y': case 'y' : return PTOK_Y ;
+ case 'S': case 's' : return PTOK_S ;
+ case 'P': case 'p' : return PTOK_P ;
+ case 'A': case 'a' : return PTOK_A ;
+ case 'C': case 'c' : return PTOK_C ;
+ case 'D': case 'd' : return PTOK_D ;
+ case 'F': case 'f' : return PTOK_F ;
+ case 'R': case 'r' : return PTOK_R ;
+ case '\"': return PTOK_DQUOTE ;
+ case '\'': return PTOK_SQUOTE ;
+ case '#' : return PTOK_HASH ;
+ case ';' : return PTOK_SCOLON ;
+ case '$' : return PTOK_DOLLAR ;
+ case '%' : return PTOK_PERCENT;
+ default :
+ if (isdigit(c)) {
+ return PTOK_NUMBER;
+ } else if (isalpha(c) || c == '_') {
+ return PTOK_ALPHA;
+ } else {
+ return PTOK_OTHER;
+ }
+ }
+}
+
+static uint8_t is_altok(uint8_t ptok, uint8_t dbg) {
+ switch (ptok) {
+ case PTOK_B:
+ case PTOK_E:
+ case PTOK_X:
+ case PTOK_Y:
+ case PTOK_S:
+ case PTOK_P: return 1;
+ default : return 0;
+ }
+}
+
+#if 0
+static int handle_dot(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_at(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_colon(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_equ(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_plus(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_minus(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_gt(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_lt(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_pipe(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_lbrack(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_rbrack(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_comma(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_b(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_e(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_x(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_y(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_s(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_p(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_dquote(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_squote(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_hash(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_scolon(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_dollar(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_percent(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+static int handle_number(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_alpha(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+
+}
+
+static int handle_other(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg) {
+ return idx+1;
+}
+
+typedef int (*ptok_func)(char *str, int idx, uint8_t lex_type, line *l, token *t, uint8_t dbg);
+
+static ptok_func ptok_handler[PTOK_OTHER+1] = {
+ [PTOK_DOT ] = handle_dot,
+ [PTOK_AT ] = handle_at,
+ [PTOK_COLON ] = handle_colon,
+ [PTOK_EQU ] = handle_equ,
+ [PTOK_PLUS ] = handle_plus,
+ [PTOK_MINUS ] = handle_minus,
+ [PTOK_GT ] = handle_gt,
+ [PTOK_LT ] = handle_lt,
+ [PTOK_PIPE ] = handle_pipe,
+ [PTOK_LBRACK ] = handle_lbrack,
+ [PTOK_RBRACK ] = handle_rbrack,
+ [PTOK_COMMA ] = handle_comma,
+ [PTOK_B ] = handle_b,
+ [PTOK_E ] = handle_e,
+ [PTOK_X ] = handle_x,
+ [PTOK_Y ] = handle_y,
+ [PTOK_S ] = handle_s,
+ [PTOK_P ] = handle_p,
+ [PTOK_DQUOTE ] = handle_dquote,
+ [PTOK_SQUOTE ] = handle_squote,
+ [PTOK_HASH ] = handle_hash,
+ [PTOK_SCOLON ] = handle_scolon,
+ [PTOK_DOLLAR ] = handle_dollar,
+ [PTOK_PERCENT] = handle_percent,
+ [PTOK_NUMBER ] = handle_number,
+ [PTOK_ALPHA ] = handle_alpha,
+ [PTOK_OTHER ] = handle_other
+};
+#endif
diff --git a/lexer/misc.c b/lexer/misc.c
new file mode 100644
index 0000000..9014421
--- /dev/null
+++ b/lexer/misc.c
@@ -0,0 +1,14 @@
+/* Name: cnvstr()
+ * Desc: Converts a pointer, and length pair into a null-terminated string.
+ * Args:
+ * s: Pointer to convert.
+ * len: Length to convert.
+ * Return value: Returns a null-terminated string.
+ */
+
+char *cnvstr(char *s, int len) {
+ char *p = malloc(len+1);
+ memcpy(p, s, len);
+ p[len] = '\0';
+ return p;
+}
diff --git a/lexer/parse.c b/lexer/parse.c
new file mode 100644
index 0000000..0f26a0e
--- /dev/null
+++ b/lexer/parse.c
@@ -0,0 +1,171 @@
+/* Name: handle_escape()
+ * Desc: Handles parsing an escape sequence.
+ * Args:
+ * s: The string to check.
+ * code: Pointer to save the handled escape code into, if not NULL.
+ * Return value: Returns the content after the escape sequence.
+ */
+
+char *handle_escape(char *s, char *code) {
+ char dummy;
+ int count;
+ char *end;
+ int base = 0;
+ unsigned int value;
+
+ if (*s++ != '\\') {
+ ierror(0); /* Start of escape sequence not found. */
+ }
+ if (code == NULL) {
+ code = &dummy;
+ }
+ if (!esc_sequences) {
+ *code = '\\';
+ return s;
+ }
+
+ switch (*s) {
+ case 'b' : *code = '\b'; return s+1;
+ case 'f' : *code = '\f'; return s+1;
+ case 'n' : *code = '\n'; return s+1;
+ case 'r' : *code = '\r'; return s+1;
+ case 't' : *code = '\t'; return s+1;
+ case '\\': *code = '\\'; return s+1;
+ case '\"': *code = '\"'; return s+1;
+ case '\'': *code = '\''; return s+1;
+ case 'e' : *code = '\x1B'; return s+1;
+ case 'x' : case 'X' : base = 16; s++; /* Falls Through. */
+ case '0' : case '1' : case '2' : case '3' : case '4' :
+ case '5' : case '6' : case '7' : case '8' : case '9' :
+ base = (!base) ? 8 : base;
+ value = strtoull(s, &end, base);
+ *code = value;
+ return end;
+ default :
+ general_error(35, *s); /* No valid escape sequence was found. */
+ return s;
+ }
+}
+
+/* Name: skip_string()
+ * Desc: Skips the contents of some delimited string.
+ * Args:
+ * s: The string to check.
+ * delm: Delimiter of the string.
+ * size: Pointer to save the size of the string into, if not NULL.
+ * Return value: Returns the content after the string.
+ */
+
+char *skip_string(char *s, char delm, size_t *size) {
+ size_t n = 0;
+
+ if (*s != delm) {
+ general_error(6, delm); /* Delimiter was expected. */
+ } else {
+ s++;
+ }
+ for (; *s; n++) {
+ if (*s == '\\') {
+ s = handle_escape(s, NULL);
+ } else {
+ if (*s++ = delm) {
+ if (*s == delm) {
+ s++; /* Allow multiple delimiters in a row to be recognized as a single delimiter. */
+ } else {
+ break;
+ }
+ }
+ }
+ }
+ if (*(s-1) != delm) {
+ general_error(6, delm); /* Delimiter was expected. */
+ }
+ if (size) {
+ *size = n;
+ }
+ return s;
+}
+
+/* Name: skip_identifier()
+ * Desc: Skips the contents of an identifier within a string.
+ * Args:
+ * s: The string to check.
+ * Return value: Returns either a pointer to the content after the identifier, or NULL.
+ */
+
+char *skip_identifier(char *s) {
+ char *name = s;
+ if (isidstart(*s) || isdigit(*s)) {
+ for (s++; isidchar(*s); s++);
+ if (s) {
+ if (isbadid(name, s-name)) {
+ return s;
+ }
+ }
+ }
+ return NULL;
+}
+
+/* Name: parse_identifier()
+ * Desc: Parses an indentifier within a line.
+ * Args:
+ * s: The line to be parsed.
+ * Return value: Returns either a pointer to the start of the identifier, or NULL.
+ */
+
+char *parse_identifier(char **s) {
+ char *name = *s;
+ char *end_name = skip_identifier(name);
+ /*char *endgame;*/ /* LOL LE EPIC FUNNY MARVEL THANOS MEME. XDDDDDD */
+ if (end_name) {
+ *s = end_name;
+ return cnvstr(name, end_name-name);
+ }
+ return NULL;
+}
+
+/* Name: parse_symbol()
+ * Desc: Parses a symbol within a line.
+ * Args:
+ * s: The line to be parse.
+ * Return value: Returns either a pointer to an allocated local/global symbol string, or NULL.
+ */
+
+char *parse_symbol(char **s) {
+ char *name = get_local_label(s);
+ name = (name == NULL) ? parse_identifier(s) : name;
+ return name;
+}
+
+/* Name: parse_labeldef()
+ * Desc: Parses either a global, or local label definition, at the begining of a line.
+ * Args:
+ * line: The line that will be parsed.
+ * colreq: Require a trailing colon, when true.
+ * Return value: Returns a pointer to the allocated buffer, when valid.
+ */
+
+char **parse_labeldef(char **line, int colreq) {
+ char *s = *line;
+ char *label_name;
+
+ if (isspace(*s)) {
+ s = skip(s);
+ colreq = 1; /* Colon required, if label doesn't start at the first column. */
+ }
+ label_name = parse_symbol(&s);
+ if (label_name) {
+ s = skip(s);
+ if (*s == ':') {
+ s++;
+ colreq = 0;
+ }
+ if (colreq) {
+ free(label_name);
+ label_name = NULL;
+ } else {
+ *line = s;
+ }
+ }
+ return label_name;
+}
diff --git a/lexer/symbol.c b/lexer/symbol.c
new file mode 100644
index 0000000..7a8001f
--- /dev/null
+++ b/lexer/symbol.c
@@ -0,0 +1,42 @@
+/* Name: make_local_label()
+ * Desc: Constructs a local label of the form:
+ * " " + global_name + " " + local_name
+ * Args:
+ * global: Global label name.
+ * global_len: Length of Global label name.
+ * local: Local label name.
+ * local_len: Length of Local label name.
+ * Return value: Returns the constructed local label.
+ */
+
+char make_local_label(char *global, int global_len, char *local, int local_len) {
+ char *name;
+ char *p;
+
+ if (!global_len) {
+ /* Use last defined global. */
+ global = last_global;
+ global_len = strlen(last_global);
+ }
+ name = malloc(local_len+global_len+3);
+ p = name;
+ *p++ = ' ';
+ if (global_len) {
+ memcpy(p, global, global_len);
+ p += global_len;
+ }
+ *p++ = ' ';
+ memcpy(p, local, local_len);
+ p[local_len] = '\0';
+ return name;
+}
+
+/* Name:
+ * Desc:
+ * Args:
+ *
+ *
+ *
+ *
+ * Return value:
+ */
generated by cgit v1.2.3-13-gbd6f (git 2.30.0) at 2024-06-30 18:36:26 +0000