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-rw-r--r--asmmon.h8
-rw-r--r--assemble.c6
-rw-r--r--disasm.c32
-rw-r--r--disasm.h10
-rw-r--r--enums.h10
-rw-r--r--lexer.c8
-rw-r--r--programs/sub-suite/subsuite.s2
-rw-r--r--programs/sub-suite/tmp-stuff/cmd_cpy.c33
-rw-r--r--programs/sub-suite/tmp-stuff/free-new.s (renamed from programs/sub-suite/free-new.s)0
-rw-r--r--programs/sub-suite/tmp-stuff/free-old.s (renamed from programs/sub-suite/free-old.s)0
-rw-r--r--programs/sub-suite/tmp-stuff/print_char.s (renamed from programs/sub-suite/print_char.s)0
-rw-r--r--programs/sub-suite/tmp-stuff/shift_line.c (renamed from programs/sub-suite/shift_line.c)0
-rw-r--r--programs/sub-suite/tmp-stuff/subeditor-new.s (renamed from programs/sub-suite/subeditor-new.s)0
-rw-r--r--programs/sub-suite/tmp-stuff/test-size.s (renamed from programs/sub-suite/test-size.s)0
-rw-r--r--sux.c2
-rw-r--r--sux.h43
-rw-r--r--test/ortho.s2
17 files changed, 103 insertions, 53 deletions
diff --git a/asmmon.h b/asmmon.h
index e98afff..29697e5 100644
--- a/asmmon.h
+++ b/asmmon.h
@@ -280,13 +280,13 @@ enum baseext_ortho {
static const uint8_t ext_ortho_ops[9] = {
[OP_LEA] = 0x63,
- [OP_PEA] = 0x0C,
+ [OP_PEA] = 0x4C,
[OP_ADD] = 0x03,
[OP_SUB] = 0x23,
[OP_NOT] = 0x44,
[OP_CLZ] = 0xC4,
[OP_CLO] = 0xE4,
- [OP_SWP] = 0x2C,
+ [OP_SWP] = 0x6C,
[OP_PCN] = 0x43
};
@@ -357,8 +357,8 @@ static const instruction inst[OPNUM] = {
[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},
+ [JMP] = {(AM_ABS|AM_IND|AM_ZM2|AM_EIND|AM_ORTHO|AM_ORTHO2), 0x00},
+ [JSR] = {(AM_ABS|AM_IND|AM_ZM2|AM_EIND|AM_ORTHO|AM_ORTHO2), 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},
diff --git a/assemble.c b/assemble.c
index ce35e78..a3791d3 100644
--- a/assemble.c
+++ b/assemble.c
@@ -898,7 +898,11 @@ uint64_t handle_opcode(token *t, bytecount *bc, uint8_t isasm, uint64_t address,
int i2 = 0;
int j = 0;
(op[i].type == 1) ? (opcode |= (1 << (3+!i))) : (opcode &= ~(1 << (3+!i)));
- if (op[i].type == 1 && (am & AM_ORTHO|AM_ORTHO2)) {
+ if ((am & (AM_ORTHO|AM_ORTHO2)) == (AM_ORTHO|AM_ORTHO2)) {
+ opcode |= 0x0C;
+ }
+
+ if (op[i].type == 1 && (am & (AM_ORTHO|AM_ORTHO2))) {
switch (op[i].id) {
case MEM_RIND: break;
case MEM_IMM:
diff --git a/disasm.c b/disasm.c
index 1982c17..645d17e 100644
--- a/disasm.c
+++ b/disasm.c
@@ -217,36 +217,6 @@ static int is_os(uint8_t opcode, operand *op) {
return 0;
}
-static int is_1cc(uint8_t opcode) {
- switch (opcode) {
- case ORTHO_1CC(SET, NG):
- case ORTHO_1CC(SET, PO):
- case ORTHO_1CC(SET, CS):
- case ORTHO_1CC(SET, CC):
- case ORTHO_1CC(SET, EQ):
- case ORTHO_1CC(SET, NE):
- case ORTHO_1CC(SET, VS):
- case ORTHO_1CC(SET, VC): return 1;
- }
- return 0;
-}
-
-static int is_1op(uint8_t opcode) {
- switch (opcode) {
- case ORTHO_1OP(PSH):
- case ORTHO_1OP(PEA):
- case ORTHO_1OP(PUL):
- case ORTHO_1OP(SWP):
- case ORTHO_1OP(NOT):
- case ORTHO_1OP(NEG):
- case ORTHO_1OP(DEC):
- case ORTHO_1OP(INC):
- case ORTHO_1OP(CLZ):
- case ORTHO_1OP(CLO): return 1;
- }
- return 0;
-}
-
static int is_2op(uint8_t opcode) {
switch (opcode) {
case ORTHO_2OP(MNG):
@@ -437,7 +407,7 @@ void disasm(struct sux *cpu, WINDOW *w, uint8_t lines, uint8_t opcode, uint8_t p
if (ext_prefix != 0x1D) {
address = get_addr(cpu, opcode, prefix, ext_prefix, 0, 0, thread);
} else {
- get_ortho_addr(cpu, prefix, cpu->pc, ortho_op, ortho_addr, op_type, op_id, 0, 0, thread);
+ get_ortho_addr(cpu, opcode, prefix, cpu->pc, ortho_op, ortho_addr, op_type, op_id, 0, 0, thread);
}
uint8_t rs = (prefix >> 4) & 3;
char *postfix;
diff --git a/disasm.h b/disasm.h
index 2b65d12..446cc77 100644
--- a/disasm.h
+++ b/disasm.h
@@ -365,7 +365,7 @@ static const char *ortho_opname[] = {
ORTHO_2OP(ADD/**/), /* ADD Ortho. */
ORTHO_1OP(PSH/**/), /* PuSH operand onto the stack. */
ORTHO_1CC(SET, NG), /* SET if NeGative. */
- ORTHO_1OP(PEA/**/), /* PEA Ortho. */
+ ORTHO_1OP(JMP/**/), /* JMP Ortho. */
/* 0x20-0x3C */
ORTHO_2OP(MPO/**/), /* Move if POsitive. */
ORTHO_2OP(SBC/**/), /* SBC Ortho. */
@@ -373,21 +373,23 @@ static const char *ortho_opname[] = {
ORTHO_2OP(SUB/**/), /* SUB Ortho. */
ORTHO_1OP(PUL/**/), /* PuLl operand off of the stack. */
ORTHO_1CC(SET, PO), /* SET if POsitive. */
- ORTHO_1OP(SWP/**/), /* SWP Ortho. */
- /* 0x40-0x55 */
+ ORTHO_1OP(JSR/**/), /* JSR Ortho. */
+ /* 0x40-0x5C */
ORTHO_2OP(MCS/**/), /* Move if Carry Set. */
ORTHO_2OP(AND/**/), /* AND Ortho. */
ORTHO_2OP(DIV/**/), /* DIV Ortho. */
ORTHO_2OP(PCN/**/), /* PCN Ortho. */
ORTHO_1OP(NOT/**/), /* NOT Ortho. */
ORTHO_1CC(SET, CS), /* SET if Carry Set. */
- /* 0x60-0x75 */
+ ORTHO_1OP(PEA/**/), /* PEA Ortho. */
+ /* 0x60-0x7C */
ORTHO_2OP(MCC/**/), /* Move if Carry Clear. */
ORTHO_2OP(OR /**/), /* Bitwise OR. */
ORTHO_2OP(ASR/**/), /* ASR Ortho. */
ORTHO_2OP(LEA/**/), /* LEA Ortho. */
ORTHO_1OP(NEG/**/), /* NEGate operand. */
ORTHO_1CC(SET, CC), /* SET if Carry Clear. */
+ ORTHO_1OP(SWP/**/), /* SWP Ortho. */
/* 0x80-0x95 */
ORTHO_2OP(MEQ/**/), /* Move if EQual. */
ORTHO_2OP(XOR/**/), /* XOR Ortho. */
diff --git a/enums.h b/enums.h
index 1658c35..71a52f1 100644
--- a/enums.h
+++ b/enums.h
@@ -560,7 +560,7 @@ enum ortho {
ORTHO_2OP(ADD, 0x03/**/), /* ADD Ortho. */
ORTHO_1OP(PSH, 0x04/**/), /* PuSH operand onto the stack. */
ORTHO_1CC(SET, 0x05, NG), /* SET if NeGative. */
- ORTHO_1OP(PEA, 0x0C/**/), /* PEA Ortho. */
+ ORTHO_1OP(JMP, 0x0C/**/), /* JMP Ortho. */
/* 0x20-0x3C */
ORTHO_2OP(MPO, 0x20/**/), /* Move if POsitive. */
ORTHO_2OP(SBC, 0x21/**/), /* SBC Ortho. */
@@ -568,21 +568,23 @@ enum ortho {
ORTHO_2OP(SUB, 0x23/**/), /* SUB Ortho. */
ORTHO_1OP(PUL, 0x24/**/), /* PuLl operand off of the stack. */
ORTHO_1CC(SET, 0x25, PO), /* SET if POsitive. */
- ORTHO_1OP(SWP, 0x2C/**/), /* SWP Ortho. */
- /* 0x40-0x55 */
+ ORTHO_1OP(JSR, 0x2C/**/), /* JSR Ortho. */
+ /* 0x40-0x5C */
ORTHO_2OP(MCS, 0x40/**/), /* Move if Carry Set. */
ORTHO_2OP(AND, 0x41/**/), /* AND Ortho. */
ORTHO_2OP(DIV, 0x42/**/), /* DIV Ortho. */
ORTHO_2OP(PCN, 0x43/**/), /* PCN Ortho. */
ORTHO_1OP(NOT, 0x44/**/), /* NOT Ortho. */
ORTHO_1CC(SET, 0x45, CS), /* SET if Carry Set. */
- /* 0x60-0x75 */
+ ORTHO_1OP(PEA, 0x4C/**/), /* PEA Ortho. */
+ /* 0x60-0x7C */
ORTHO_2OP(MCC, 0x60/**/), /* Move if Carry Clear. */
ORTHO_2OP(OR , 0x61/**/), /* Bitwise OR. */
ORTHO_2OP(ASR, 0x62/**/), /* ASR Ortho. */
ORTHO_2OP(LEA, 0x63/**/), /* LEA Ortho. */
ORTHO_1OP(NEG, 0x64/**/), /* NEGate operand. */
ORTHO_1CC(SET, 0x65, CC), /* SET if Carry Clear. */
+ ORTHO_1OP(SWP, 0x6C/**/), /* SWP Ortho. */
/* 0x80-0x95 */
ORTHO_2OP(MEQ, 0x80/**/), /* Move if EQual. */
ORTHO_2OP(XOR, 0x81/**/), /* XOR Ortho. */
diff --git a/lexer.c b/lexer.c
index b46396d..f12feb3 100644
--- a/lexer.c
+++ b/lexer.c
@@ -773,6 +773,7 @@ int get_expr_type(char **p, uint64_t address, void *val, int *found_reg, char st
expr *parse_expr(char **line, uint64_t address, int *found_reg, int is_left, char stop, uint8_t dbg) {
char *str = *line;
+ char *start = *line;
int dummy = 0;
found_reg = (found_reg == NULL) ? &dummy : found_reg;
@@ -833,7 +834,6 @@ expr *parse_expr(char **line, uint64_t address, int *found_reg, int is_left, cha
left = new;
}
}
-
*line = str;
return left;
}
@@ -1035,7 +1035,7 @@ uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg) {
lex_type = TOK_EXPR;
memset(lexeme, 0, strlen(lexeme)+1);
char *tmp = &str[i];
- expr *e = parse_expr(&tmp, address, NULL, 1, delm, dbg);
+ expr *e = parse_expr(&tmp, address, NULL, 0, delm, dbg);
t = make_token(lex_type, 0, space, tab, 0, "", NULL, e);
j = tmp - &str[i];
memcpy(lexeme, &str[i], j);
@@ -1070,7 +1070,7 @@ uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg) {
memset(lexeme, 0, strlen(lexeme)+1);
do {
char *tmp = &str[i];
- expr *e = parse_expr(&tmp, address, NULL, 1, delm, dbg);
+ expr *e = parse_expr(&tmp, address, NULL, 0, delm, dbg);
t = make_token(lex_type, 0, space, tab, 0, "", NULL, e);
j = tmp - &str[i];
memcpy(lexeme, &str[i], j);
@@ -1296,7 +1296,7 @@ uint64_t lex(char *str, uint64_t address, uint16_t bline, uint8_t dbg) {
lex_type = TOK_EXPR;
memset(lexeme, 0, strlen(lexeme)+1);
char *tmp = &str[i];
- expr *e = parse_expr(&tmp, address, NULL, 1, delm, dbg);
+ expr *e = parse_expr(&tmp, address, NULL, 0, delm, dbg);
j = tmp - &str[i];
memcpy(lexeme, &str[i], j);
/*i += j;*/
diff --git a/programs/sub-suite/subsuite.s b/programs/sub-suite/subsuite.s
index 7b31c31..3fc025d 100644
--- a/programs/sub-suite/subsuite.s
+++ b/programs/sub-suite/subsuite.s
@@ -20,5 +20,5 @@ a
;.org reset
;v
;f "subsuite.bin" $8000
-;q
+q
d
diff --git a/programs/sub-suite/tmp-stuff/cmd_cpy.c b/programs/sub-suite/tmp-stuff/cmd_cpy.c
new file mode 100644
index 0000000..6b89e7d
--- /dev/null
+++ b/programs/sub-suite/tmp-stuff/cmd_cpy.c
@@ -0,0 +1,33 @@
+#include <stdint.h>
+
+int cmd_size = 0x400;
+int maxcol = 80;
+
+extern uint8_t scr_row;
+extern uint8_t scr_col;
+extern uint8_t scr_str;
+
+int find_end(char *str, int pos) {
+ int i;
+ for (i = pos; str[i] != '\0'; i++);
+ return i;
+}
+
+void cmd_cpy(char *scr_buf, char *cmd_buf, int pos) {
+ int end_line = (find_end(scr_buf, pos)/(maxcol+1)) - scr_str;
+ int start_line = (find_start(scr_buf, end_line) + scr_str) * (maxcol+1);
+
+ for (int i = 0, done = 0; !done; i++) {
+ uint64_t tmp = (uint64_t)scr_buf[i];
+ for (int j = 0; j < 8; j++ , tmp >>= 8) {
+ int idx = (i*8) + j;
+ uint8_t tmp2 = tmp;
+ if (idx >= cmd_size || !tmp2) {
+ done = 1;
+ cmd_buf[idx] = '\0';
+ break;
+ }
+ cmd_buf[idx] = tmp2;
+ }
+ }
+}
diff --git a/programs/sub-suite/free-new.s b/programs/sub-suite/tmp-stuff/free-new.s
index dad19d0..dad19d0 100644
--- a/programs/sub-suite/free-new.s
+++ b/programs/sub-suite/tmp-stuff/free-new.s
diff --git a/programs/sub-suite/free-old.s b/programs/sub-suite/tmp-stuff/free-old.s
index 7f75edd..7f75edd 100644
--- a/programs/sub-suite/free-old.s
+++ b/programs/sub-suite/tmp-stuff/free-old.s
diff --git a/programs/sub-suite/print_char.s b/programs/sub-suite/tmp-stuff/print_char.s
index e12461c..e12461c 100644
--- a/programs/sub-suite/print_char.s
+++ b/programs/sub-suite/tmp-stuff/print_char.s
diff --git a/programs/sub-suite/shift_line.c b/programs/sub-suite/tmp-stuff/shift_line.c
index 365666b..365666b 100644
--- a/programs/sub-suite/shift_line.c
+++ b/programs/sub-suite/tmp-stuff/shift_line.c
diff --git a/programs/sub-suite/subeditor-new.s b/programs/sub-suite/tmp-stuff/subeditor-new.s
index 6c1cfb1..6c1cfb1 100644
--- a/programs/sub-suite/subeditor-new.s
+++ b/programs/sub-suite/tmp-stuff/subeditor-new.s
diff --git a/programs/sub-suite/test-size.s b/programs/sub-suite/tmp-stuff/test-size.s
index b543a36..b543a36 100644
--- a/programs/sub-suite/test-size.s
+++ b/programs/sub-suite/tmp-stuff/test-size.s
diff --git a/sux.c b/sux.c
index 59c2168..dce4d29 100644
--- a/sux.c
+++ b/sux.c
@@ -117,7 +117,7 @@ int is_wait_kbd(struct sux *cpu, uint8_t opcode, uint8_t prefix, uint8_t ext_pre
if (ext_prefix != 0x1D) {
address = get_addr(cpu, opcode, prefix, ext_prefix, 0, 0, thread);
} else {
- get_ortho_addr(cpu, prefix, cpu->pc, ortho_op, ortho_addr, op_type, op_id, 0, 0, thread);
+ get_ortho_addr(cpu, opcode, prefix, cpu->pc, ortho_op, ortho_addr, op_type, op_id, 0, 0, thread);
}
cpu->pc = tmp_pc;
return (address == CTRL_ADDR || ortho_addr[0] == CTRL_ADDR || ortho_addr[1] == CTRL_ADDR);
diff --git a/sux.h b/sux.h
index c028b84..44794f8 100644
--- a/sux.h
+++ b/sux.h
@@ -119,6 +119,38 @@ static /*inline*/ uint8_t get_ortho_addrsize(uint8_t prefix, uint8_t addrmode) {
return get_addrsize(prefix, type);
}
+static int is_1op(uint8_t opcode) {
+ switch (opcode) {
+ case ORTHO_1OP(JMP):
+ case ORTHO_1OP(JSR):
+ case ORTHO_1OP(PSH):
+ case ORTHO_1OP(PEA):
+ case ORTHO_1OP(PUL):
+ case ORTHO_1OP(SWP):
+ case ORTHO_1OP(NOT):
+ case ORTHO_1OP(NEG):
+ case ORTHO_1OP(DEC):
+ case ORTHO_1OP(INC):
+ case ORTHO_1OP(CLZ):
+ case ORTHO_1OP(CLO): return 1;
+ }
+ return 0;
+}
+
+static int is_1cc(uint8_t opcode) {
+ switch (opcode) {
+ case ORTHO_1CC(SET, NG):
+ case ORTHO_1CC(SET, PO):
+ case ORTHO_1CC(SET, CS):
+ case ORTHO_1CC(SET, CC):
+ case ORTHO_1CC(SET, EQ):
+ case ORTHO_1CC(SET, NE):
+ case ORTHO_1CC(SET, VS):
+ case ORTHO_1CC(SET, VC): return 1;
+ }
+ return 0;
+}
+
static /*inline*/ uint8_t isrw(uint8_t opcode, uint8_t ext_prefix) {
if ((ext_prefix & 0xD) == 0xD) {
switch (ext_prefix >> 4) {
@@ -535,9 +567,12 @@ static /*inline*/ uint64_t ortho_ind_idx_addr(struct sux *cpu, uint8_t prefix, u
}
}
-static /*inline*/ uint64_t get_ortho_addr(struct sux *cpu, uint8_t prefix, uint64_t address, operand *op, uint64_t *value, uint8_t *op_type, uint8_t *op_id, uint8_t inc_pc, uint8_t inc_clk, uint8_t thread) {
+static /*inline*/ uint64_t get_ortho_addr(struct sux *cpu, uint8_t opcode, uint8_t prefix, uint64_t address, operand *op, uint64_t *value, uint8_t *op_type, uint8_t *op_id, uint8_t inc_pc, uint8_t inc_clk, uint8_t thread) {
uint64_t tmp_addr = address;
- for (int i = 0; i < 2; i++) {
+
+ int num_ops = 1 + !(is_1op(opcode) || is_1cc(opcode));
+
+ for (int i = 0; i < num_ops; i++) {
union reg tmp;
tmp.u64 = 0;
op[i].type = op_type[i];
@@ -963,7 +998,7 @@ static /*inline*/ void exec_ortho_inst(struct sux *cpu, uint8_t opcode, uint8_t
int is_lea = ((opcode & ~0x18) == LEA_RR);
int is_write = 1;
operand op[2];
- cpu->pc = get_ortho_addr(cpu, prefix, cpu->pc, op, address, op_type, op_id, 1, 1, thread);
+ cpu->pc = get_ortho_addr(cpu, opcode, prefix, cpu->pc, op, address, op_type, op_id, 1, 1, thread);
for (int i = 0; i < 2; i++) {
if (op[i].type) {
if (is_lea) {
@@ -1077,6 +1112,8 @@ static /*inline*/ void exec_ortho_inst(struct sux *cpu, uint8_t opcode, uint8_t
is_write = 0;
} while (0);
break;
+ case ORTHO_1OP(JSR): push(cpu, cpu->pc, (size) ? size : 7, thread); /* Falls Through. */
+ case ORTHO_1OP(JMP): cpu->pc = (op[0].type) ? address[0] : dst; break;
case ORTHO_1OP(INC): dst = inc_dec(cpu, dst, (op[0].type) ? size+1 : 8, 1, thread); break;
case ORTHO_1OP(DEC): dst = inc_dec(cpu, dst, (op[0].type) ? size+1 : 8, 0, thread); break;
case ORTHO_1OP(PSH): push(cpu, dst, size, thread); is_write = 0; break;
diff --git a/test/ortho.s b/test/ortho.s
index c7cdd83..6499d6e 100644
--- a/test/ortho.s
+++ b/test/ortho.s
@@ -32,6 +32,8 @@ reset:
lea s, count
mov (e), #0
mov a, (e)
+ lea d, loop
+ jmp (d)
loop:
inc b
inc.q count
generated by cgit v1.2.3-13-gbd6f (git 2.30.0) at 2024-12-26 05:44:53 +0000