diff options
Diffstat (limited to 'asmmon.h')
| -rw-r--r-- | asmmon.h | 274 |
1 files changed, 210 insertions, 64 deletions
@@ -68,7 +68,7 @@ struct sym { }; struct inst { - uint16_t am; /* Addressing modes. */ + uint32_t am; /* Addressing modes. */ uint8_t op; /* Base value used to get the actual opcode. */ }; @@ -117,6 +117,7 @@ enum token { TOK_IMM, TOK_BREG, TOK_OPCODE, + TOK_EXTOP, TOK_RS, TOK_OF, TOK_COMMENT, @@ -144,6 +145,7 @@ enum pre_token { PTOK_RBRACK, PTOK_COMMA, PTOK_B, + PTOK_E, PTOK_X, PTOK_Y, PTOK_S, @@ -183,7 +185,14 @@ enum addrmode { AM_BREG = (1 << 9), AM_IMPL = (1 << 10), AM_INDX2 = (1 << 11), - AM_ZM2 = (1 << 12) + 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), }; enum ind { @@ -209,33 +218,59 @@ enum ind { 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] = 0x8C, - [CMP_IDY] = 0xF9, - [CMP_IDX] = 0xAA, - [CPB_IND] = 0x7C, - [CPB_IDY] = 0xFA, - [CPB_IDX] = 0xBA, - [JMP_IND] = 0xEC, - [JSR_IND] = 0xDC, - [LDA_IND] = 0xC4, - [LDA_IDY] = 0xD9, - [LDB_IND] = 0xE4, - [LDB_IDY] = 0xE9, - [LDX_IND] = 0xBC, - [LDY_IND] = 0xAC, - [STA_IND] = 0xD4, - [STA_IDY] = 0xCA, - [STB_IND] = 0xF4, - [STB_IDY] = 0xDA, - [STX_IND] = 0xCC, - [STY_IND] = 0x9C + [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), 0x01}, - [AND] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x41}, - [ASR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x62}, + [ADC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x01}, + [AND] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x41}, + [ASR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x62}, [BCC] = {(AM_REL), 0xA0}, [BCS] = {(AM_REL), 0x90}, [BEQ] = {(AM_REL), 0xB0}, @@ -249,31 +284,31 @@ static const instruction inst[OPNUM] = { [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), 0x82}, - [CPB] = {(AM_IMM|AM_ZM|AM_IND|AM_INDY|AM_ABS|AM_INDX2), 0x04}, + [CMP] = {(AM_IMM|AM_ZM|AM_IND|AM_INDY|AM_ABS|AM_BREG|AM_INDX2|AM_EIND), 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), 0x24}, - [CPY] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS), 0x44}, + [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), 0x84}, + [DEC] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND2), 0x84}, [DEX] = {(AM_IMPL), 0xB9}, [DEY] = {(AM_IMPL), 0x79}, - [DIV] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x42}, + [DIV] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x42}, [INB] = {(AM_IMPL), 0xA9}, - [INC] = {(AM_IMPL|AM_ZM|AM_ABS), 0xA4}, + [INC] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND2), 0xA4}, [INX] = {(AM_IMPL), 0xC9}, [INY] = {(AM_IMPL), 0x89}, - [JMP] = {(AM_ABS|AM_IND|AM_ZM2), 0x00}, - [JSR] = {(AM_ABS|AM_IND|AM_ZM2), 0x20}, - [LDA] = {(AM_IMM|AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS), 0xC2}, - [LDB] = {(AM_IMM|AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS), 0xE2}, - [LDX] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS), 0x64}, - [LDY] = {(AM_IMM|AM_ZM|AM_IND|AM_ABS), 0xA2}, - [LSL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0xA1}, - [LSR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0xC1}, - [MUL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x22}, + [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), 0xA1}, + [LSR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0xC1}, + [MUL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x22}, [NOP] = {(AM_IMPL), 0xEA}, - [ORA] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x61}, + [ORA] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x61}, [PHA] = {(AM_IMPL), 0x8E}, [PHB] = {(AM_IMPL), 0xAE}, [PHP] = {(AM_IMPL), 0x6E}, @@ -284,29 +319,81 @@ static const instruction inst[OPNUM] = { [PLP] = {(AM_IMPL), 0x7E}, [PLX] = {(AM_IMPL), 0xFE}, [PLY] = {(AM_IMPL), 0xDE}, - [ROL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0xE1}, - [ROR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x02}, + [ROL] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0xE1}, + [ROR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x02}, [RTI] = {(AM_IMPL), 0x60}, [RTS] = {(AM_IMPL), 0x50}, - [SBC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG), 0x21}, + [SBC] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 0x21}, [SEC] = {(AM_IMPL), 0x19}, [SEI] = {(AM_IMPL), 0x39}, - [STA] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS), 0x28}, - [STB] = {(AM_ZM|AM_ZMX|AM_ZMY|AM_IND|AM_INDX|AM_INDY|AM_ABS), 0x48}, - [STX] = {(AM_ZM|AM_IND|AM_ABS), 0x68}, - [STY] = {(AM_ZM|AM_IND|AM_ABS), 0x08}, + [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|AM_IMM), 0x9A}, + [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), 0x81} + [XOR] = {(AM_IMM|AM_ZM|AM_ABS|AM_BREG|AM_EIND), 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), 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), 0x23}, + [ADD] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 0x06}, + [SUB] = {(AM_IMM|AM_ZM|AM_ABS|AM_EIND), 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), 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), 0x05}, + [CLO] = {(AM_ZM|AM_ABS|AM_EIND), 0x25}, + [BIT] = {(AM_ZM|AM_ABS|AM_EIND), 0x45}, + [MMV] = {(AM_IMPL), 0xCB}, + [SWP] = {(AM_IMPL|AM_ZM|AM_ABS|AM_EIND), 0xE6}, + [PCN] = {(AM_ZM|AM_ABS|AM_EIND), 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 char *dir_t[11] = { @@ -330,7 +417,7 @@ static const char *rs_t[4] = { [3] = ".q" }; -static const char *lex_tok[22] = { +static const char *lex_tok[23] = { [TOK_DIR ] = "TOK_DIR", [TOK_LOCAL ] = "TOK_LOCAL", [TOK_LABEL ] = "TOK_LABEL", @@ -343,6 +430,7 @@ static const char *lex_tok[22] = { [TOK_IMM ] = "TOK_IMM", [TOK_BREG ] = "TOK_BREG", [TOK_OPCODE ] = "TOK_OPCODE", + [TOK_EXTOP ] = "TOK_EXTOP", [TOK_RS ] = "TOK_RS", [TOK_OF ] = "TOK_OF", [TOK_COMMENT] = "TOK_COMMENT", @@ -355,18 +443,24 @@ static const char *lex_tok[22] = { [TOK_MEMBER ] = "TOK_MEMBER" }; -static const char *adrmode[11] = { - [IMM ] = "IMM", - [ZM ] = "ZM", - [ZMX ] = "ZMX", - [ZMY ] = "ZMY", - [IND ] = "IND", - [INDX] = "INDX", - [INDY] = "INDY", - [ABS ] = "ABS", - [REL ] = "REL", - [BREG] = "BREG", - [IMPL] = "IMPL" +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" }; static const char *mne[OPNUM] = { @@ -446,6 +540,58 @@ static const char *mne[OPNUM] = { [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 *instdesc[OPNUM] = { [ADC] = "ADd accumulator, with operand, Carry if needed.", [AND] = "Bitwise AND accumulator, with operand.", |