#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#include "ansidecl.h"
#include "opcode/m68hc11.h"
#define TABLE_SIZE(X) (sizeof(X) / sizeof(X[0]))
#define M6811_ZC_BIT M6811_Z_BIT|M6811_C_BIT
#define M6811_NZ_BIT M6811_N_BIT|M6811_Z_BIT
#define M6811_NZV_BIT M6811_N_BIT|M6811_Z_BIT|M6811_V_BIT
#define M6811_NZC_BIT M6811_N_BIT|M6811_Z_BIT|M6811_C_BIT
#define M6811_NVC_BIT M6811_N_BIT|M6811_V_BIT|M6811_C_BIT
#define M6811_ZVC_BIT M6811_Z_BIT|M6811_V_BIT|M6811_C_BIT
#define M6811_NZVC_BIT M6811_ZVC_BIT|M6811_N_BIT
#define M6811_HNZVC_BIT M6811_NZVC_BIT|M6811_H_BIT
#define M6811_HNVC_BIT M6811_NVC_BIT|M6811_H_BIT
#define M6811_VC_BIT M6811_V_BIT|M6811_C_BIT
#define CHG_NONE 0,0,0
#define CHG_Z 0,0,M6811_Z_BIT
#define CHG_C 0,0,M6811_C_BIT
#define CHG_ZVC 0,0,M6811_ZVC_BIT
#define CHG_NZC 0,0,M6811_NZC_BIT
#define CHG_NZV 0,0,M6811_NZV_BIT
#define CHG_NZVC 0,0,M6811_NZVC_BIT
#define CHG_HNZVC 0,0,M6811_HNZVC_BIT
#define CHG_ALL 0,0,0xff
#define CLR_I 0,M6811_I_BIT,0
#define CLR_C 0,M6811_C_BIT,0
#define CLR_V 0,M6811_V_BIT,0
#define CLR_V_CHG_ZC 0,M6811_V_BIT,M6811_ZC_BIT
#define CLR_V_CHG_NZ 0,M6811_V_BIT,M6811_NZ_BIT
#define CLR_V_CHG_ZVC 0,M6811_V_BIT,M6811_ZVC_BIT
#define CLR_N_CHG_ZVC 0,M6811_N_BIT,M6811_ZVC_BIT
#define CLR_VC_CHG_NZ 0,M6811_VC_BIT,M6811_NZ_BIT
#define SET_I M6811_I_BIT,0,0
#define SET_C M6811_C_BIT,0,0
#define SET_V M6811_V_BIT,0,0
#define SET_Z_CLR_NVC M6811_Z_BIT,M6811_NVC_BIT,0
#define SET_C_CLR_V_CHG_NZ M6811_C_BIT,M6811_V_BIT,M6811_NZ_BIT
#define SET_Z_CHG_HNVC M6811_Z_BIT,0,M6811_HNVC_BIT
#define _M 0xff
static int cpu_type;
struct m6811_opcode_pattern
{
const char *name;
const char *pattern;
const char *ccr_update;
};
struct m6811_opcode_pattern m6811_opcode_patterns[] = {
{ "movtst8", "dst8 = src8", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "movtst16", "dst16 = src16", "cpu_ccr_update_tst16 (proc, dst16)" },
{ "mov8", "dst8 = src8" },
{ "mov16", "dst16 = src16" },
{ "lea16", "dst16 = addr" },
{ "bra", "cpu_set_pc (proc, addr)" },
{ "bhi",
"if ((cpu_get_ccr (proc) & (M6811_C_BIT|M6811_Z_BIT)) == 0)\n@ \
cpu_set_pc (proc, addr)" },
{ "bls",
"if ((cpu_get_ccr (proc) & (M6811_C_BIT|M6811_Z_BIT)))\n@ \
cpu_set_pc (proc, addr)" },
{ "bcc", "if (!cpu_get_ccr_C (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bcs", "if (cpu_get_ccr_C (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bne", "if (!cpu_get_ccr_Z (proc))\n@ cpu_set_pc (proc, addr)" },
{ "beq", "if (cpu_get_ccr_Z (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bvc", "if (!cpu_get_ccr_V (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bvs", "if (cpu_get_ccr_V (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bpl", "if (!cpu_get_ccr_N (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bmi", "if (cpu_get_ccr_N (proc))\n@ cpu_set_pc (proc, addr)" },
{ "bge", "if ((cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc)) == 0)\n@ cpu_set_pc (proc, addr)" },
{ "blt", "if ((cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc)))\n@ cpu_set_pc (proc, addr)" },
{ "bgt",
"if ((cpu_get_ccr_Z (proc) | (cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc))) == 0)\n@ \
cpu_set_pc (proc, addr)" },
{ "ble",
"if ((cpu_get_ccr_Z (proc) | (cpu_get_ccr_N (proc) ^ cpu_get_ccr_V (proc))))\n@ \
cpu_set_pc (proc, addr)" },
{ "brclr8",
"if ((src8 & dst8) == 0)\n@ cpu_set_pc (proc, addr)" },
{ "brset8",
"if (((~src8) & dst8) == 0)\n@ cpu_set_pc (proc, addr)" },
{ "rts11", "addr = cpu_m68hc11_pop_uint16 (proc); cpu_set_pc (proc, addr); cpu_return(proc)" },
{ "rts12", "addr = cpu_m68hc12_pop_uint16 (proc); cpu_set_pc (proc, addr); cpu_return(proc)" },
{ "mul16", "dst16 = ((uint16) src8 & 0x0FF) * ((uint16) dst8 & 0x0FF)",
"cpu_set_ccr_C (proc, src8 & 0x80)" },
{ "neg8", "dst8 = - src8",
"cpu_set_ccr_C (proc, src8 == 0); cpu_ccr_update_tst8 (proc, dst8)" },
{ "com8", "dst8 = ~src8",
"cpu_set_ccr_C (proc, 1); cpu_ccr_update_tst8 (proc, dst8);" },
{ "clr8", "dst8 = 0",
"cpu_set_ccr (proc, (cpu_get_ccr (proc) & (M6811_S_BIT|M6811_X_BIT|M6811_H_BIT| \
M6811_I_BIT)) | M6811_Z_BIT)"},
{ "clr16","dst16 = 0",
"cpu_set_ccr (proc, (cpu_get_ccr (proc) & (M6811_S_BIT|M6811_X_BIT|M6811_H_BIT| \
M6811_I_BIR)) | M6811_Z_BIT)"},
{ "lsr8", "dst8 = src8 >> 1",
"cpu_set_ccr_C (proc, src8 & 1); cpu_ccr_update_shift8 (proc, dst8)" },
{ "lsl8", "dst8 = src8 << 1",
"cpu_set_ccr_C (proc, (src8 & 0x80) >> 7); cpu_ccr_update_shift8 (proc, dst8)" },
{ "asr8", "dst8 = (src8 >> 1) | (src8 & 0x80)",
"cpu_set_ccr_C (proc, src8 & 1); cpu_ccr_update_shift8 (proc, dst8)" },
{ "ror8", "dst8 = (src8 >> 1) | (cpu_get_ccr_C (proc) << 7)",
"cpu_set_ccr_C (proc, src8 & 1); cpu_ccr_update_shift8 (proc, dst8)" },
{ "rol8", "dst8 = (src8 << 1) | (cpu_get_ccr_C (proc))",
"cpu_set_ccr_C (proc, (src8 & 0x80) >> 7); cpu_ccr_update_shift8 (proc, dst8)" },
{ "lsl16", "dst16 = src16 << 1",
"cpu_set_ccr_C (proc, (src16&0x8000) >> 15); cpu_ccr_update_shift16 (proc, dst16)"},
{ "lsr16", "dst16 = src16 >> 1",
"cpu_set_ccr_C (proc, src16 & 1); cpu_ccr_update_shift16 (proc, dst16)"},
{ "dec8", "dst8 = src8 - 1", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "inc8", "dst8 = src8 + 1", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "tst8", 0, "cpu_set_ccr_C (proc, 0); cpu_ccr_update_tst8 (proc, src8)" },
{ "sub8", "cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\
dst8 = dst8 - src8", 0 },
{ "add8", "cpu_ccr_update_add8 (proc, dst8 + src8, dst8, src8);\
dst8 = dst8 + src8", 0 },
{ "sbc8", "if (cpu_get_ccr_C (proc))\n@ \
{\n\
cpu_ccr_update_sub8 (proc, dst8 - src8 - 1, dst8, src8);\n\
dst8 = dst8 - src8 - 1;\n\
}\n\
else\n\
{\n\
cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\n\
dst8 = dst8 - src8;\n\
}", 0 },
{ "adc8", "if (cpu_get_ccr_C (proc))\n@ \
{\n\
cpu_ccr_update_add8 (proc, dst8 + src8 + 1, dst8, src8);\n\
dst8 = dst8 + src8 + 1;\n\
}\n\
else\n\
{\n\
cpu_ccr_update_add8 (proc, dst8 + src8, dst8, src8);\n\
dst8 = dst8 + src8;\n\
}",
0 },
{ "and8", "dst8 = dst8 & src8", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "eor8", "dst8 = dst8 ^ src8", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "or8", "dst8 = dst8 | src8", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "bclr8","dst8 = (~dst8) & src8", "cpu_ccr_update_tst8 (proc, dst8)" },
{ "sub16", "cpu_ccr_update_sub16 (proc, dst16 - src16, dst16, src16);\
dst16 = dst16 - src16", 0 },
{ "add16", "cpu_ccr_update_add16 (proc, dst16 + src16, dst16, src16);\
dst16 = dst16 + src16", 0 },
{ "inc16", "dst16 = src16 + 1", "cpu_set_ccr_Z (proc, dst16 == 0)" },
{ "dec16", "dst16 = src16 - 1", "cpu_set_ccr_Z (proc, dst16 == 0)" },
{ "ins16", "dst16 = src16 + 1" },
{ "des16", "dst16 = src16 - 1" },
{ "jsr_11_16", "cpu_m68hc11_push_uint16 (proc, cpu_get_pc (proc)); cpu_call (proc, addr)"},
{ "jsr_12_16", "cpu_m68hc12_push_uint16 (proc, cpu_get_pc (proc)); cpu_call (proc, addr)"},
{ "xgdxy16", "dst16 = cpu_get_d (proc); cpu_set_d (proc, src16)"},
{ "stop", "cpu_special (proc, M6811_STOP)"},
{ "tsxy16", "dst16 = src16 + 1;"},
{ "txys16", "dst16 = src16 - 1;"},
{ "abxy16","dst16 = dst16 + (uint16) src8"},
{ "daa8", "cpu_special (proc, M6811_DAA)" },
{ "nop", 0 },
{ "idiv16", "if (src16 == 0)\n{\n\
dst16 = 0xffff;\
}\nelse\n{\n\
cpu_set_d (proc, dst16 % src16);\
dst16 = dst16 / src16;\
}",
"cpu_set_ccr_Z (proc, dst16 == 0); cpu_set_ccr_V (proc, 0);\
cpu_set_ccr_C (proc, src16 == 0)" },
{ "fdiv16", "if (src16 <= dst16 )\n{\n\
dst16 = 0xffff;\n\
cpu_set_ccr_Z (proc, 0);\n\
cpu_set_ccr_V (proc, 1);\n\
cpu_set_ccr_C (proc, dst16 == 0);\n\
}\nelse\n{\n\
unsigned long l = (unsigned long) (dst16) << 16;\n\
cpu_set_d (proc, (uint16) (l % (unsigned long) (src16)));\n\
dst16 = (uint16) (l / (unsigned long) (src16));\n\
cpu_set_ccr_V (proc, 0);\n\
cpu_set_ccr_C (proc, 0);\n\
cpu_set_ccr_Z (proc, dst16 == 0);\n\
}", 0 },
{ "clv", 0, "cpu_set_ccr_V (proc, 0)" },
{ "sev", 0, "cpu_set_ccr_V (proc, 1)" },
{ "clc", 0, "cpu_set_ccr_C (proc, 0)" },
{ "sec", 0, "cpu_set_ccr_C (proc, 1)" },
{ "cli", 0, "cpu_set_ccr_I (proc, 0)" },
{ "sei", 0, "cpu_set_ccr_I (proc, 1)" },
{ "rti11", "cpu_special (proc, M6811_RTI)" },
{ "rti12", "cpu_special (proc, M6812_RTI)" },
{ "wai", "cpu_special (proc, M6811_WAI)" },
{ "test", "cpu_special (proc, M6811_TEST)" },
{ "swi", "cpu_special (proc, M6811_SWI)" },
{ "syscall","cpu_special (proc, M6811_EMUL_SYSCALL)" },
{ "page2", "cpu_page2_interp (proc)", 0 },
{ "page3", "cpu_page3_interp (proc)", 0 },
{ "page4", "cpu_page4_interp (proc)", 0 },
{ "bgnd", "cpu_special (proc, M6812_BGND)" },
{ "call8", "cpu_special (proc, M6812_CALL)" },
{ "call_ind", "cpu_special (proc, M6812_CALL_INDIRECT)" },
{ "dbcc8", "cpu_dbcc (proc)" },
{ "ediv", "cpu_special (proc, M6812_EDIV)" },
{ "emul", "{ uint32 src1 = (uint32) cpu_get_d (proc);\
uint32 src2 = (uint32) cpu_get_y (proc);\
src1 *= src2;\
cpu_set_d (proc, src1);\
cpu_set_y (proc, src1 >> 16);\
cpu_set_ccr_Z (proc, src1 == 0);\
cpu_set_ccr_C (proc, src1 & 0x08000);\
cpu_set_ccr_N (proc, src1 & 0x80000000);}" },
{ "emuls", "cpu_special (proc, M6812_EMULS)" },
{ "mem", "cpu_special (proc, M6812_MEM)" },
{ "rtc", "cpu_special (proc, M6812_RTC)" },
{ "emacs", "cpu_special (proc, M6812_EMACS)" },
{ "idivs", "cpu_special (proc, M6812_IDIVS)" },
{ "edivs", "cpu_special (proc, M6812_EDIVS)" },
{ "exg8", "cpu_exg (proc, src8)" },
{ "move8", "cpu_move8 (proc, op)" },
{ "move16","cpu_move16 (proc, op)" },
{ "max8", "cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\
if (dst8 < src8) dst8 = src8" },
{ "min8", "cpu_ccr_update_sub8 (proc, dst8 - src8, dst8, src8);\
if (dst8 > src8) dst8 = src8" },
{ "max16", "cpu_ccr_update_sub16 (proc, dst16 - src16, dst16, src16);\
if (dst16 < src16) dst16 = src16" },
{ "min16", "cpu_ccr_update_sub16 (proc, dst16 - src16, dst16, src16);\
if (dst16 > src16) dst16 = src16" },
{ "rev", "cpu_special (proc, M6812_REV);" },
{ "revw", "cpu_special (proc, M6812_REVW);" },
{ "wav", "cpu_special (proc, M6812_WAV);" },
{ "tbl8", "cpu_special (proc, M6812_ETBL);" },
{ "tbl16", "cpu_special (proc, M6812_ETBL);" }
};
struct m6811_opcode_def
{
const char *name;
const char *operands;
const char *insn_pattern;
unsigned char insn_size;
unsigned char insn_code;
unsigned char insn_min_cycles;
unsigned char insn_max_cycles;
unsigned char set_flags_mask;
unsigned char clr_flags_mask;
unsigned char chg_flags_mask;
};
struct m6811_opcode_def m6811_page1_opcodes[] = {
{ "test", 0, 0, 1, 0x00, 5, _M, CHG_NONE },
{ "nop", 0, 0, 1, 0x01, 2, 2, CHG_NONE },
{ "idiv", "x,d->x", "idiv16", 1, 0x02, 3, 41, CLR_V_CHG_ZC},
{ "fdiv", "x,d->x", "fdiv16", 1, 0x03, 3, 41, CHG_ZVC},
{ "lsrd", "d->d", "lsr16", 1, 0x04, 3, 3, CLR_N_CHG_ZVC },
{ "asld", "d->d", "lsl16", 1, 0x05, 3, 3, CHG_NZVC },
{ "tap", "a->ccr", "mov8", 1, 0x06, 2, 2, CHG_ALL},
{ "tpa", "ccr->a", "mov8", 1, 0x07, 2, 2, CHG_NONE },
{ "inx", "x->x", "inc16", 1, 0x08, 3, 3, CHG_Z },
{ "dex", "x->x", "dec16", 1, 0x09, 3, 3, CHG_Z },
{ "clv", 0, 0, 1, 0x0a, 2, 2, CLR_V },
{ "sev", 0, 0, 1, 0x0b, 2, 2, SET_V },
{ "clc", 0, 0, 1, 0x0c, 2, 2, CLR_C },
{ "sec", 0, 0, 1, 0x0d, 2, 2, SET_C },
{ "cli", 0, 0, 1, 0x0e, 2, 2, CLR_I },
{ "sei", 0, 0, 1, 0x0f, 2, 2, SET_I },
{ "sba", "b,a->a", "sub8", 1, 0x10, 2, 2, CHG_NZVC },
{ "cba", "b,a", "sub8", 1, 0x11, 2, 2, CHG_NZVC },
{ "brset","*,#,r", "brset8", 4, 0x12, 6, 6, CHG_NONE },
{ "brclr","*,#,r", "brclr8", 4, 0x13, 6, 6, CHG_NONE },
{ "bset", "*,#->*", "or8", 3, 0x14, 6, 6, CLR_V_CHG_NZ },
{ "bclr", "*,#->*", "bclr8", 3, 0x15, 6, 6, CLR_V_CHG_NZ },
{ "tab", "a->b", "movtst8", 1, 0x16, 2, 2, CLR_V_CHG_NZ },
{ "tba", "b->a", "movtst8", 1, 0x17, 2, 2, CLR_V_CHG_NZ },
{ "page2", 0, "page2", 1, 0x18, 0, 0, CHG_NONE },
{ "page3", 0, "page3", 1, 0x1a, 0, 0, CHG_NONE },
{ "daa", "", "daa8", 1, 0x19, 2, 2, CHG_NZVC },
{ "aba", "b,a->a", "add8", 1, 0x1b, 2, 2, CHG_HNZVC},
{ "bset", "(x),#->(x)","or8", 3, 0x1c, 7, 7, CLR_V_CHG_NZ },
{ "bclr", "(x),#->(x)","bclr8", 3, 0x1d, 7, 7, CLR_V_CHG_NZ },
{ "brset","(x),#,r", "brset8", 4, 0x1e, 7, 7, CHG_NONE },
{ "brclr","(x),#,r", "brclr8", 4, 0x1f, 7, 7, CHG_NONE },
{ "bra", "r", 0, 2, 0x20, 3, 3, CHG_NONE },
{ "brn", "r", "nop", 2, 0x21, 3, 3, CHG_NONE },
{ "bhi", "r", 0, 2, 0x22, 3, 3, CHG_NONE },
{ "bls", "r", 0, 2, 0x23, 3, 3, CHG_NONE },
{ "bcc", "r", 0, 2, 0x24, 3, 3, CHG_NONE },
{ "bcs", "r", 0, 2, 0x25, 3, 3, CHG_NONE },
{ "bne", "r", 0, 2, 0x26, 3, 3, CHG_NONE },
{ "beq", "r", 0, 2, 0x27, 3, 3, CHG_NONE },
{ "bvc", "r", 0, 2, 0x28, 3, 3, CHG_NONE },
{ "bvs", "r", 0, 2, 0x29, 3, 3, CHG_NONE },
{ "bpl", "r", 0, 2, 0x2a, 3, 3, CHG_NONE },
{ "bmi", "r", 0, 2, 0x2b, 3, 3, CHG_NONE },
{ "bge", "r", 0, 2, 0x2c, 3, 3, CHG_NONE },
{ "blt", "r", 0, 2, 0x2d, 3, 3, CHG_NONE },
{ "bgt", "r", 0, 2, 0x2e, 3, 3, CHG_NONE },
{ "ble", "r", 0, 2, 0x2f, 3, 3, CHG_NONE },
{ "tsx", "sp->x", "tsxy16", 1, 0x30, 3, 3, CHG_NONE },
{ "ins", "sp->sp", "ins16", 1, 0x31, 3, 3, CHG_NONE },
{ "pula", "(sp)->a", "mov8", 1, 0x32, 4, 4, CHG_NONE },
{ "pulb", "(sp)->b", "mov8", 1, 0x33, 4, 4, CHG_NONE },
{ "des", "sp->sp", "des16", 1, 0x34, 3, 3, CHG_NONE },
{ "txs", "x->sp", "txys16", 1, 0x35, 3, 3, CHG_NONE },
{ "psha", "a->(sp)", "mov8", 1, 0x36, 3, 3, CHG_NONE },
{ "pshb", "b->(sp)", "mov8", 1, 0x37, 3, 3, CHG_NONE },
{ "pulx", "(sp)->x", "mov16", 1, 0x38, 5, 5, CHG_NONE },
{ "rts", 0, "rts11", 1, 0x39, 5, 5, CHG_NONE },
{ "abx", "b,x->x", "abxy16", 1, 0x3a, 3, 3, CHG_NONE },
{ "rti", 0, "rti11", 1, 0x3b, 12, 12, CHG_ALL},
{ "pshx", "x->(sp)", "mov16", 1, 0x3c, 4, 4, CHG_NONE },
{ "mul", "b,a->d", "mul16", 1, 0x3d, 3, 10, CHG_C },
{ "wai", 0, 0, 1, 0x3e, 14, _M, CHG_NONE },
{ "swi", 0, 0, 1, 0x3f, 14, _M, CHG_NONE },
{ "nega", "a->a", "neg8", 1, 0x40, 2, 2, CHG_NZVC },
{ "syscall", "", "syscall", 1, 0x41, 2, 2, CHG_NONE },
{ "coma", "a->a", "com8", 1, 0x43, 2, 2, SET_C_CLR_V_CHG_NZ },
{ "lsra", "a->a", "lsr8", 1, 0x44, 2, 2, CLR_N_CHG_ZVC},
{ "rora", "a->a", "ror8", 1, 0x46, 2, 2, CHG_NZVC },
{ "asra", "a->a", "asr8", 1, 0x47, 2, 2, CHG_NZVC },
{ "asla", "a->a", "lsl8", 1, 0x48, 2, 2, CHG_NZVC },
{ "rola", "a->a", "rol8", 1, 0x49, 2, 2, CHG_NZVC },
{ "deca", "a->a", "dec8", 1, 0x4a, 2, 2, CHG_NZV },
{ "inca", "a->a", "inc8", 1, 0x4c, 2, 2, CHG_NZV },
{ "tsta", "a", "tst8", 1, 0x4d, 2, 2, CLR_V_CHG_NZ },
{ "clra", "->a", "clr8", 1, 0x4f, 2, 2, SET_Z_CLR_NVC },
{ "negb", "b->b", "neg8", 1, 0x50, 2, 2, CHG_NZVC },
{ "comb", "b->b", "com8", 1, 0x53, 2, 2, SET_C_CLR_V_CHG_NZ },
{ "lsrb", "b->b", "lsr8", 1, 0x54, 2, 2, CLR_N_CHG_ZVC },
{ "rorb", "b->b", "ror8", 1, 0x56, 2, 2, CHG_NZVC },
{ "asrb", "b->b", "asr8", 1, 0x57, 2, 2, CHG_NZVC },
{ "aslb", "b->b", "lsl8", 1, 0x58, 2, 2, CHG_NZVC },
{ "rolb", "b->b", "rol8", 1, 0x59, 2, 2, CHG_NZVC },
{ "decb", "b->b", "dec8", 1, 0x5a, 2, 2, CHG_NZV },
{ "incb", "b->b", "inc8", 1, 0x5c, 2, 2, CHG_NZV },
{ "tstb", "b", "tst8", 1, 0x5d, 2, 2, CLR_V_CHG_NZ },
{ "clrb", "->b", "clr8", 1, 0x5f, 2, 2, SET_Z_CLR_NVC },
{ "neg", "(x)->(x)", "neg8", 2, 0x60, 6, 6, CHG_NZVC },
{ "com", "(x)->(x)", "com8", 2, 0x63, 6, 6, SET_C_CLR_V_CHG_NZ },
{ "lsr", "(x)->(x)", "lsr8", 2, 0x64, 6, 6, CLR_N_CHG_ZVC },
{ "ror", "(x)->(x)", "ror8", 2, 0x66, 6, 6, CHG_NZVC },
{ "asr", "(x)->(x)", "asr8", 2, 0x67, 6, 6, CHG_NZVC },
{ "asl", "(x)->(x)", "lsl8", 2, 0x68, 6, 6, CHG_NZVC },
{ "rol", "(x)->(x)", "rol8", 2, 0x69, 6, 6, CHG_NZVC },
{ "dec", "(x)->(x)", "dec8", 2, 0x6a, 6, 6, CHG_NZV },
{ "inc", "(x)->(x)", "inc8", 2, 0x6c, 6, 6, CHG_NZV },
{ "tst", "(x)", "tst8", 2, 0x6d, 6, 6, CLR_V_CHG_NZ },
{ "jmp", "&(x)", "bra", 2, 0x6e, 3, 3, CHG_NONE },
{ "clr", "->(x)", "clr8", 2, 0x6f, 6, 6, SET_Z_CLR_NVC },
{ "neg", "()->()", "neg8", 3, 0x70, 6, 6, CHG_NZVC },
{ "com", "()->()", "com8", 3, 0x73, 6, 6, SET_C_CLR_V_CHG_NZ },
{ "lsr", "()->()", "lsr8", 3, 0x74, 6, 6, CLR_V_CHG_ZVC },
{ "ror", "()->()", "ror8", 3, 0x76, 6, 6, CHG_NZVC },
{ "asr", "()->()", "asr8", 3, 0x77, 6, 6, CHG_NZVC },
{ "asl", "()->()", "lsl8", 3, 0x78, 6, 6, CHG_NZVC },
{ "rol", "()->()", "rol8", 3, 0x79, 6, 6, CHG_NZVC },
{ "dec", "()->()", "dec8", 3, 0x7a, 6, 6, CHG_NZV },
{ "inc", "()->()", "inc8", 3, 0x7c, 6, 6, CHG_NZV },
{ "tst", "()", "tst8", 3, 0x7d, 6, 6, CLR_V_CHG_NZ },
{ "jmp", "&()", "bra", 3, 0x7e, 3, 3, CHG_NONE },
{ "clr", "->()", "clr8", 3, 0x7f, 6, 6, SET_Z_CLR_NVC },
{ "suba", "#,a->a", "sub8", 2, 0x80, 2, 2, CHG_NZVC },
{ "cmpa", "#,a", "sub8", 2, 0x81, 2, 2, CHG_NZVC },
{ "sbca", "#,a->a", "sbc8", 2, 0x82, 2, 2, CHG_NZVC },
{ "subd", "#,d->d", "sub16", 3, 0x83, 4, 4, CHG_NZVC },
{ "anda", "#,a->a", "and8", 2, 0x84, 2, 2, CLR_V_CHG_NZ },
{ "bita", "#,a", "and8", 2, 0x85, 2, 2, CLR_V_CHG_NZ },
{ "ldaa", "#->a", "movtst8", 2, 0x86, 2, 2, CLR_V_CHG_NZ },
{ "eora", "#,a->a", "eor8", 2, 0x88, 2, 2, CLR_V_CHG_NZ },
{ "adca", "#,a->a", "adc8", 2, 0x89, 2, 2, CHG_HNZVC },
{ "oraa", "#,a->a", "or8", 2, 0x8a, 2, 2, CLR_V_CHG_NZ },
{ "adda", "#,a->a", "add8", 2, 0x8b, 2, 2, CHG_HNZVC },
{ "cmpx", "#,x", "sub16", 3, 0x8c, 4, 4, CHG_NZVC },
{ "bsr", "r", "jsr_11_16", 2, 0x8d, 6, 6, CHG_NONE },
{ "lds", "#->sp", "movtst16", 3, 0x8e, 3, 3, CLR_V_CHG_NZ },
{ "xgdx", "x->x", "xgdxy16", 1, 0x8f, 3, 3, CHG_NONE },
{ "suba", "*,a->a", "sub8", 2, 0x90, 3, 3, CHG_NZVC },
{ "cmpa", "*,a", "sub8", 2, 0x91, 3, 3, CHG_NZVC },
{ "sbca", "*,a->a", "sbc8", 2, 0x92, 3, 3, CHG_NZVC },
{ "subd", "*,d->d", "sub16", 2, 0x93, 5, 5, CHG_NZVC },
{ "anda", "*,a->a", "and8", 2, 0x94, 3, 3, CLR_V_CHG_NZ },
{ "bita", "*,a", "and8", 2, 0x95, 3, 3, CLR_V_CHG_NZ },
{ "ldaa", "*->a", "movtst8", 2, 0x96, 3, 3, CLR_V_CHG_NZ },
{ "staa", "a->*", "movtst8", 2, 0x97, 3, 3, CLR_V_CHG_NZ },
{ "eora", "*,a->a", "eor8", 2, 0x98, 3, 3, CLR_V_CHG_NZ },
{ "adca", "*,a->a", "adc8", 2, 0x99, 3, 3, CHG_HNZVC },
{ "oraa", "*,a->a", "or8", 2, 0x9a, 3, 3, CLR_V_CHG_NZ },
{ "adda", "*,a->a", "add8", 2, 0x9b, 3, 3, CHG_HNZVC },
{ "cmpx", "*,x", "sub16", 2, 0x9c, 5, 5, CHG_NZVC },
{ "jsr", "*", "jsr_11_16", 2, 0x9d, 5, 5, CHG_NONE },
{ "lds", "*->sp", "movtst16", 2, 0x9e, 4, 4, CLR_V_CHG_NZ },
{ "sts", "sp->*", "movtst16", 2, 0x9f, 4, 4, CLR_V_CHG_NZ },
{ "suba", "(x),a->a", "sub8", 2, 0xa0, 4, 4, CHG_NZVC },
{ "cmpa", "(x),a", "sub8", 2, 0xa1, 4, 4, CHG_NZVC },
{ "sbca", "(x),a->a", "sbc8", 2, 0xa2, 4, 4, CHG_NZVC },
{ "subd", "(x),d->d", "sub16", 2, 0xa3, 6, 6, CHG_NZVC },
{ "anda", "(x),a->a", "and8", 2, 0xa4, 4, 4, CLR_V_CHG_NZ },
{ "bita", "(x),a", "and8", 2, 0xa5, 4, 4, CLR_V_CHG_NZ },
{ "ldaa", "(x)->a", "movtst8", 2, 0xa6, 4, 4, CLR_V_CHG_NZ },
{ "staa", "a->(x)", "movtst8", 2, 0xa7, 4, 4, CLR_V_CHG_NZ },
{ "eora", "(x),a->a", "eor8", 2, 0xa8, 4, 4, CLR_V_CHG_NZ },
{ "adca", "(x),a->a", "adc8", 2, 0xa9, 4, 4, CHG_HNZVC },
{ "oraa", "(x),a->a", "or8", 2, 0xaa, 4, 4, CLR_V_CHG_NZ },
{ "adda", "(x),a->a", "add8", 2, 0xab, 4, 4, CHG_HNZVC },
{ "cmpx", "(x),x", "sub16", 2, 0xac, 6, 6, CHG_NZVC },
{ "jsr", "&(x)", "jsr_11_16", 2, 0xad, 6, 6, CHG_NONE },
{ "lds", "(x)->sp", "movtst16", 2, 0xae, 5, 5, CLR_V_CHG_NZ },
{ "sts", "sp->(x)", "movtst16", 2, 0xaf, 5, 5, CLR_V_CHG_NZ },
{ "suba", "(),a->a", "sub8", 3, 0xb0, 4, 4, CHG_NZVC },
{ "cmpa", "(),a", "sub8", 3, 0xb1, 4, 4, CHG_NZVC },
{ "sbca", "(),a->a", "sbc8", 3, 0xb2, 4, 4, CHG_NZVC },
{ "subd", "(),d->d", "sub16", 3, 0xb3, 6, 6, CHG_NZVC },
{ "anda", "(),a->a", "and8", 3, 0xb4, 4, 4, CLR_V_CHG_NZ },
{ "bita", "(),a", "and8", 3, 0xb5, 4, 4, CLR_V_CHG_NZ },
{ "ldaa", "()->a", "movtst8", 3, 0xb6, 4, 4, CLR_V_CHG_NZ },
{ "staa", "a->()", "movtst8", 3, 0xb7, 4, 4, CLR_V_CHG_NZ },
{ "eora", "(),a->a", "eor8", 3, 0xb8, 4, 4, CLR_V_CHG_NZ },
{ "adca", "(),a->a", "adc8", 3, 0xb9, 4, 4, CHG_HNZVC },
{ "oraa", "(),a->a", "or8", 3, 0xba, 4, 4, CLR_V_CHG_NZ },
{ "adda", "(),a->a", "add8", 3, 0xbb, 4, 4, CHG_HNZVC },
{ "cmpx", "(),x", "sub16", 3, 0xbc, 5, 5, CHG_NZVC },
{ "jsr", "&()", "jsr_11_16", 3, 0xbd, 6, 6, CHG_NONE },
{ "lds", "()->sp", "movtst16", 3, 0xbe, 5, 5, CLR_V_CHG_NZ },
{ "sts", "sp->()", "movtst16", 3, 0xbf, 5, 5, CLR_V_CHG_NZ },
{ "subb", "#,b->b", "sub8", 2, 0xc0, 2, 2, CHG_NZVC },
{ "cmpb", "#,b", "sub8", 2, 0xc1, 2, 2, CHG_NZVC },
{ "sbcb", "#,b->b", "sbc8", 2, 0xc2, 2, 2, CHG_NZVC },
{ "addd", "#,d->d", "add16", 3, 0xc3, 4, 4, CHG_NZVC },
{ "andb", "#,b->b", "and8", 2, 0xc4, 2, 2, CLR_V_CHG_NZ },
{ "bitb", "#,b", "and8", 2, 0xc5, 2, 2, CLR_V_CHG_NZ },
{ "ldab", "#->b", "movtst8", 2, 0xc6, 2, 2, CLR_V_CHG_NZ },
{ "eorb", "#,b->b", "eor8", 2, 0xc8, 2, 2, CLR_V_CHG_NZ },
{ "adcb", "#,b->b", "adc8", 2, 0xc9, 2, 2, CHG_HNZVC },
{ "orab", "#,b->b", "or8", 2, 0xca, 2, 2, CLR_V_CHG_NZ },
{ "addb", "#,b->b", "add8", 2, 0xcb, 2, 2, CHG_HNZVC },
{ "ldd", "#->d", "movtst16", 3, 0xcc, 3, 3, CLR_V_CHG_NZ },
{ "page4",0, "page4", 1, 0xcd, 0, 0, CHG_NONE },
{ "ldx", "#->x", "movtst16", 3, 0xce, 3, 3, CLR_V_CHG_NZ },
{ "stop", 0, 0, 1, 0xcf, 2, 2, CHG_NONE },
{ "subb", "*,b->b", "sub8", 2, 0xd0, 3, 3, CHG_NZVC },
{ "cmpb", "*,b", "sub8", 2, 0xd1, 3, 3, CHG_NZVC },
{ "sbcb", "*,b->b", "sbc8", 2, 0xd2, 3, 3, CHG_NZVC },
{ "addd", "*,d->d", "add16", 2, 0xd3, 5, 5, CHG_NZVC },
{ "andb", "*,b->b", "and8", 2, 0xd4, 3, 3, CLR_V_CHG_NZ },
{ "bitb", "*,b", "and8", 2, 0xd5, 3, 3, CLR_V_CHG_NZ },
{ "ldab", "*->b", "movtst8", 2, 0xd6, 3, 3, CLR_V_CHG_NZ },
{ "stab", "b->*", "movtst8", 2, 0xd7, 3, 3, CLR_V_CHG_NZ },
{ "eorb", "*,b->b", "eor8", 2, 0xd8, 3, 3, CLR_V_CHG_NZ },
{ "adcb", "*,b->b", "adc8", 2, 0xd9, 3, 3, CHG_HNZVC },
{ "orab", "*,b->b", "or8", 2, 0xda, 3, 3, CLR_V_CHG_NZ },
{ "addb", "*,b->b", "add8", 2, 0xdb, 3, 3, CHG_HNZVC },
{ "ldd", "*->d", "movtst16", 2, 0xdc, 4, 4, CLR_V_CHG_NZ },
{ "std", "d->*", "movtst16", 2, 0xdd, 4, 4, CLR_V_CHG_NZ },
{ "ldx", "*->x", "movtst16", 2, 0xde, 4, 4, CLR_V_CHG_NZ },
{ "stx", "x->*", "movtst16", 2, 0xdf, 4, 4, CLR_V_CHG_NZ },
{ "subb", "(x),b->b", "sub8", 2, 0xe0, 4, 4, CHG_NZVC },
{ "cmpb", "(x),b", "sub8", 2, 0xe1, 4, 4, CHG_NZVC },
{ "sbcb", "(x),b->b", "sbc8", 2, 0xe2, 4, 4, CHG_NZVC },
{ "addd", "(x),d->d", "add16", 2, 0xe3, 6, 6, CHG_NZVC },
{ "andb", "(x),b->b", "and8", 2, 0xe4, 4, 4, CLR_V_CHG_NZ },
{ "bitb", "(x),b", "and8", 2, 0xe5, 4, 4, CLR_V_CHG_NZ },
{ "ldab", "(x)->b", "movtst8", 2, 0xe6, 4, 4, CLR_V_CHG_NZ },
{ "stab", "b->(x)", "movtst8", 2, 0xe7, 4, 4, CLR_V_CHG_NZ },
{ "eorb", "(x),b->b", "eor8", 2, 0xe8, 4, 4, CLR_V_CHG_NZ },
{ "adcb", "(x),b->b", "adc8", 2, 0xe9, 4, 4, CHG_HNZVC },
{ "orab", "(x),b->b", "or8", 2, 0xea, 4, 4, CLR_V_CHG_NZ },
{ "addb", "(x),b->b", "add8", 2, 0xeb, 4, 4, CHG_HNZVC },
{ "ldd", "(x)->d", "movtst16", 2, 0xec, 5, 5, CLR_V_CHG_NZ },
{ "std", "d->(x)", "movtst16", 2, 0xed, 5, 5, CLR_V_CHG_NZ },
{ "ldx", "(x)->x", "movtst16", 2, 0xee, 5, 5, CLR_V_CHG_NZ },
{ "stx", "x->(x)", "movtst16", 2, 0xef, 5, 5, CLR_V_CHG_NZ },
{ "subb", "(),b->b", "sub8", 3, 0xf0, 4, 4, CHG_NZVC },
{ "cmpb", "(),b", "sub8", 3, 0xf1, 4, 4, CHG_NZVC },
{ "sbcb", "(),b->b", "sbc8", 3, 0xf2, 4, 4, CHG_NZVC },
{ "addd", "(),d->d", "add16", 3, 0xf3, 6, 6, CHG_NZVC },
{ "andb", "(),b->b", "and8", 3, 0xf4, 4, 4, CLR_V_CHG_NZ },
{ "bitb", "(),b", "and8", 3, 0xf5, 4, 4, CLR_V_CHG_NZ },
{ "ldab", "()->b", "movtst8", 3, 0xf6, 4, 4, CLR_V_CHG_NZ },
{ "stab", "b->()", "movtst8", 3, 0xf7, 4, 4, CLR_V_CHG_NZ },
{ "eorb", "(),b->b", "eor8", 3, 0xf8, 4, 4, CLR_V_CHG_NZ },
{ "adcb", "(),b->b", "eor8", 3, 0xf9, 4, 4, CHG_HNZVC },
{ "orab", "(),b->b", "or8", 3, 0xfa, 4, 4, CLR_V_CHG_NZ },
{ "addb", "(),b->b", "add8", 3, 0xfb, 4, 4, CHG_HNZVC },
{ "ldd", "()->d", "movtst16", 3, 0xfc, 5, 5, CLR_V_CHG_NZ },
{ "std", "d->()", "movtst16", 3, 0xfd, 5, 5, CLR_V_CHG_NZ },
{ "ldx", "()->x", "movtst16", 3, 0xfe, 5, 5, CLR_V_CHG_NZ },
{ "stx", "x->()", "movtst16", 3, 0xff, 5, 5, CLR_V_CHG_NZ }
};
struct m6811_opcode_def m6811_page2_opcodes[] = {
{ "iny", "y->y", "inc16", 2, 0x08, 4, 4, CHG_Z },
{ "dey", "y->y", "dec16", 2, 0x09, 4, 4, CHG_Z },
{ "bset", "(y),#->(y)","or8", 4, 0x1c, 8, 8, CLR_V_CHG_NZ },
{ "bclr", "(y),#->(y)","bclr8", 4, 0x1d, 8, 8, CLR_V_CHG_NZ },
{ "brset","(y),#,r", "brset8", 5, 0x1e, 8, 8, CHG_NONE },
{ "brclr","(y),#,r", "brclr8", 5, 0x1f, 8, 8, CHG_NONE },
{ "tsy", "sp->y", "tsxy16", 2, 0x30, 4, 4, CHG_NONE },
{ "tys", "y->sp", "txys16", 2, 0x35, 4, 4, CHG_NONE },
{ "puly", "(sp)->y", "mov16", 2, 0x38, 6, 6, CHG_NONE },
{ "aby", "b,y->y", "abxy16", 2, 0x3a, 4, 4, CHG_NONE },
{ "pshy", "y->(sp)", "mov16", 2, 0x3c, 5, 5, CHG_NONE },
{ "neg", "(y)->(y)", "neg8", 3, 0x60, 7, 7, CHG_NZVC },
{ "com", "(y)->(y)", "com8", 3, 0x63, 7, 7, SET_C_CLR_V_CHG_NZ},
{ "lsr", "(y)->(y)", "lsr8", 3, 0x64, 7, 7, CLR_V_CHG_ZVC },
{ "ror", "(y)->(y)", "ror8", 3, 0x66, 7, 7, CHG_NZVC },
{ "asr", "(y)->(y)", "asr8", 3, 0x67, 7, 7, CHG_NZVC },
{ "asl", "(y)->(y)", "lsl8", 3, 0x68, 7, 7, CHG_NZVC },
{ "rol", "(y)->(y)", "rol8", 3, 0x69, 7, 7, CHG_NZVC },
{ "dec", "(y)->(y)", "dec8", 3, 0x6a, 7, 7, CHG_NZV },
{ "inc", "(y)->(y)", "inc8", 3, 0x6c, 7, 7, CHG_NZV },
{ "tst", "(y)", "tst8", 3, 0x6d, 7, 7, CLR_V_CHG_NZ },
{ "jmp", "&(y)", "bra", 3, 0x6e, 4, 4, CHG_NONE },
{ "clr", "->(y)", "clr8", 3, 0x6f, 7, 7, SET_Z_CLR_NVC },
{ "cmpy", "#,y", "sub16", 4, 0x8c, 5, 5, CHG_NZVC },
{ "xgdy", "y->y", "xgdxy16", 2, 0x8f, 4, 4, CHG_NONE },
{ "cmpy", "*,y", "sub16", 3, 0x9c, 6, 6, CHG_NZVC },
{ "suba", "(y),a->a", "sub8", 3, 0xa0, 5, 5, CHG_NZVC },
{ "cmpa", "(y),a", "sub8", 3, 0xa1, 5, 5, CHG_NZVC },
{ "sbca", "(y),a->a", "sbc8", 3, 0xa2, 5, 5, CHG_NZVC },
{ "subd", "(y),d->d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC },
{ "anda", "(y),a->a", "and8", 3, 0xa4, 5, 5, CLR_V_CHG_NZ },
{ "bita", "(y),a", "and8", 3, 0xa5, 5, 5, CLR_V_CHG_NZ },
{ "ldaa", "(y)->a", "movtst8", 3, 0xa6, 5, 5, CLR_V_CHG_NZ },
{ "staa", "a->(y)", "movtst8", 3, 0xa7, 5, 5, CLR_V_CHG_NZ },
{ "eora", "(y),a->a", "eor8", 3, 0xa8, 5, 5, CLR_V_CHG_NZ },
{ "adca", "(y),a->a", "adc8", 3, 0xa9, 5, 5, CHG_HNZVC },
{ "oraa", "(y),a->a", "or8", 3, 0xaa, 5, 5, CLR_V_CHG_NZ },
{ "adda", "(y),a->a", "add8", 3, 0xab, 5, 5, CHG_HNZVC },
{ "cmpy", "(y),y", "sub16", 3, 0xac, 7, 7, CHG_NZVC },
{ "jsr", "&(y)", "jsr_11_16", 3, 0xad, 6, 6, CHG_NONE },
{ "lds", "(y)->sp", "movtst16", 3, 0xae, 6, 6, CLR_V_CHG_NZ },
{ "sts", "sp->(y)", "movtst16", 3, 0xaf, 6, 6, CLR_V_CHG_NZ },
{ "cmpy", "(),y", "sub16", 4, 0xbc, 7, 7, CHG_NZVC },
{ "ldy", "#->y", "movtst16", 4, 0xce, 4, 4, CLR_V_CHG_NZ },
{ "ldy", "*->y", "movtst16", 3, 0xde, 5, 5, CLR_V_CHG_NZ },
{ "sty", "y->*", "movtst16", 3, 0xdf, 5, 5, CLR_V_CHG_NZ },
{ "subb", "(y),b->b", "sub8", 3, 0xe0, 5, 5, CHG_NZVC },
{ "cmpb", "(y),b", "sub8", 3, 0xe1, 5, 5, CHG_NZVC },
{ "sbcb", "(y),b->b", "sbc8", 3, 0xe2, 5, 5, CHG_NZVC },
{ "addd", "(y),d->d", "add16", 3, 0xe3, 7, 7, CHG_NZVC },
{ "andb", "(y),b->b", "and8", 3, 0xe4, 5, 5, CLR_V_CHG_NZ },
{ "bitb", "(y),b", "and8", 3, 0xe5, 5, 5, CLR_V_CHG_NZ },
{ "ldab", "(y)->b", "movtst8", 3, 0xe6, 5, 5, CLR_V_CHG_NZ },
{ "stab", "b->(y)", "movtst8", 3, 0xe7, 5, 5, CLR_V_CHG_NZ },
{ "eorb", "(y),b->b", "eor8", 3, 0xe8, 5, 5, CLR_V_CHG_NZ },
{ "adcb", "(y),b->b", "adc8", 3, 0xe9, 5, 5, CHG_HNZVC },
{ "orab", "(y),b->b", "or8", 3, 0xea, 5, 5, CLR_V_CHG_NZ },
{ "addb", "(y),b->b", "add8", 3, 0xeb, 5, 5, CHG_HNZVC },
{ "ldd", "(y)->d", "movtst16", 3, 0xec, 6, 6, CLR_V_CHG_NZ },
{ "std", "d->(y)", "movtst16", 3, 0xed, 6, 6, CLR_V_CHG_NZ },
{ "ldy", "(y)->y", "movtst16", 3, 0xee, 6, 6, CLR_V_CHG_NZ },
{ "sty", "y->(y)", "movtst16", 3, 0xef, 6, 6, CLR_V_CHG_NZ },
{ "ldy", "()->y", "movtst16", 4, 0xfe, 6, 6, CLR_V_CHG_NZ },
{ "sty", "y->()", "movtst16", 4, 0xff, 6, 6, CLR_V_CHG_NZ }
};
struct m6811_opcode_def m6811_page3_opcodes[] = {
{ "cmpd", "#,d", "sub16", 4, 0x83, 5, 5, CHG_NZVC },
{ "cmpd", "*,d", "sub16", 3, 0x93, 6, 6, CHG_NZVC },
{ "cmpd", "(x),d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC },
{ "cmpy", "(x),y", "sub16", 3, 0xac, 7, 7, CHG_NZVC },
{ "cmpd", "(),d", "sub16", 4, 0xb3, 7, 7, CHG_NZVC },
{ "ldy", "(x)->y", "movtst16", 3, 0xee, 6, 6, CLR_V_CHG_NZ },
{ "sty", "y->(x)", "movtst16", 3, 0xef, 6, 6, CLR_V_CHG_NZ }
};
struct m6811_opcode_def m6811_page4_opcodes[] = {
{ "syscall", "", "syscall", 2, 0x03, 6, 6, CHG_NONE },
{ "cmpd", "(y),d", "sub16", 3, 0xa3, 7, 7, CHG_NZVC },
{ "cmpx", "(y),x", "sub16", 3, 0xac, 7, 7, CHG_NZVC },
{ "ldx", "(y)->x", "movtst16", 3, 0xee, 6, 6, CLR_V_CHG_NZ },
{ "stx", "x->(y)", "movtst16", 3, 0xef, 6, 6, CLR_V_CHG_NZ }
};
struct m6811_opcode_def m6812_page1_opcodes[] = {
{ "adca", "#,a->a", "adc8", 2, 0x89, 1, 1, CHG_HNZVC },
{ "adca", "*,a->a", "adc8", 2, 0x99, 3, 3, CHG_HNZVC },
{ "adca", "(),a->a", "adc8", 3, 0xb9, 3, 3, CHG_HNZVC },
{ "adca", "[],a->a", "adc8", 2, 0xa9, 3, 3, CHG_HNZVC },
{ "adcb", "#,b->b", "adc8", 2, 0xc9, 1, 1, CHG_HNZVC },
{ "adcb", "*,b->b", "adc8", 3, 0xd9, 3, 3, CHG_HNZVC },
{ "adcb", "(),b->b", "adc8", 3, 0xf9, 3, 3, CHG_HNZVC },
{ "adcb", "[],b->b", "adc8", 2, 0xe9, 3, 3, CHG_HNZVC },
{ "adda", "#,a->a", "add8", 2, 0x8b, 1, 1, CHG_HNZVC },
{ "adda", "*,a->a", "add8", 3, 0x9b, 3, 3, CHG_HNZVC },
{ "adda", "(),a->a", "add8", 3, 0xbb, 3, 3, CHG_HNZVC },
{ "adda", "[],a->a", "add8", 2, 0xab, 3, 3, CHG_HNZVC },
{ "addb", "#,b->b", "add8", 2, 0xcb, 1, 1, CHG_HNZVC },
{ "addb", "*,b->b", "add8", 3, 0xdb, 3, 3, CHG_HNZVC },
{ "addb", "(),b->b", "add8", 3, 0xfb, 3, 3, CHG_HNZVC },
{ "addb", "[],b->b", "add8", 2, 0xeb, 3, 3, CHG_HNZVC },
{ "addd", "#,d->d", "add16", 3, 0xc3, 2, 2, CHG_NZVC },
{ "addd", "*,d->d", "add16", 2, 0xd3, 3, 3, CHG_NZVC },
{ "addd", "(),d->d", "add16", 3, 0xf3, 3, 3, CHG_NZVC },
{ "addd", "[],d->d", "add16", 2, 0xe3, 3, 3, CHG_NZVC },
{ "anda", "#,a->a", "and8", 2, 0x84, 1, 1, CLR_V_CHG_NZ },
{ "anda", "*,a->a", "and8", 2, 0x94, 3, 3, CLR_V_CHG_NZ },
{ "anda", "(),a->a", "and8", 3, 0xb4, 3, 3, CLR_V_CHG_NZ },
{ "anda", "[],a->a", "and8", 2, 0xa4, 3, 3, CLR_V_CHG_NZ },
{ "andb", "#,b->b", "and8", 2, 0xc4, 1, 1, CLR_V_CHG_NZ },
{ "andb", "*,b->b", "and8", 2, 0xd4, 3, 3, CLR_V_CHG_NZ },
{ "andb", "(),b->b", "and8", 3, 0xf4, 3, 3, CLR_V_CHG_NZ },
{ "andb", "[],b->b", "and8", 2, 0xe4, 3, 3, CLR_V_CHG_NZ },
{ "andcc", "#,ccr->ccr", "and8", 2, 0x10, 1, 1, CHG_ALL },
{ "asl", "()->()", "lsl8", 3, 0x78, 4, 4, CHG_NZVC },
{ "asl", "[]->[]", "lsl8", 2, 0x68, 3, 3, CHG_NZVC },
{ "asla", "a->a", "lsl8", 1, 0x48, 1, 1, CHG_NZVC },
{ "aslb", "b->b", "lsl8", 1, 0x58, 1, 1, CHG_NZVC },
{ "asld", "d->d", "lsl16", 1, 0x59, 1, 1, CHG_NZVC },
{ "asr", "()->()", "asr8", 3, 0x77, 4, 4, CHG_NZVC },
{ "asr", "[]->[]", "asr8", 2, 0x67, 3, 3, CHG_NZVC },
{ "asra", "a->a", "asr8", 1, 0x47, 1, 1, CHG_NZVC },
{ "asrb", "b->b", "asr8", 1, 0x57, 1, 1, CHG_NZVC },
{ "bcc", "r", 0, 2, 0x24, 1, 3, CHG_NONE },
{ "bclr", "*,#->*", "bclr8", 3, 0x4d, 4, 4, CLR_V_CHG_NZ },
{ "bclr", "(),#->()", "bclr8", 4, 0x1d, 4, 4, CLR_V_CHG_NZ },
{ "bclr", "[],#->[]", "bclr8", 3, 0x0d, 4, 4, CLR_V_CHG_NZ },
{ "bcs", "r", 0, 2, 0x25, 1, 3, CHG_NONE },
{ "beq", "r", 0, 2, 0x27, 1, 3, CHG_NONE },
{ "bge", "r", 0, 2, 0x2c, 1, 3, CHG_NONE },
{ "bgnd", 0, 0, 1, 0x00, 5, 5, CHG_NONE },
{ "bgt", "r", 0, 2, 0x2e, 1, 3, CHG_NONE },
{ "bhi", "r", 0, 2, 0x22, 1, 3, CHG_NONE },
{ "bita", "#,a", "and8", 2, 0x85, 1, 1, CLR_V_CHG_NZ },
{ "bita", "*,a", "and8", 2, 0x95, 3, 3, CLR_V_CHG_NZ },
{ "bita", "(),a", "and8", 3, 0xb5, 3, 3, CLR_V_CHG_NZ },
{ "bita", "[],a", "and8", 2, 0xa5, 3, 3, CLR_V_CHG_NZ },
{ "bitb", "#,b", "and8", 2, 0xc5, 1, 1, CLR_V_CHG_NZ },
{ "bitb", "*,b", "and8", 2, 0xd5, 3, 3, CLR_V_CHG_NZ },
{ "bitb", "(),b", "and8", 3, 0xf5, 3, 3, CLR_V_CHG_NZ },
{ "bitb", "[],b", "and8", 2, 0xe5, 3, 3, CLR_V_CHG_NZ },
{ "ble", "r", 0, 2, 0x2f, 1, 3, CHG_NONE },
{ "bls", "r", 0, 2, 0x23, 1, 3, CHG_NONE },
{ "blt", "r", 0, 2, 0x2d, 1, 3, CHG_NONE },
{ "bmi", "r", 0, 2, 0x2b, 1, 3, CHG_NONE },
{ "bne", "r", 0, 2, 0x26, 1, 3, CHG_NONE },
{ "bpl", "r", 0, 2, 0x2a, 1, 3, CHG_NONE },
{ "bra", "r", 0, 2, 0x20, 1, 3, CHG_NONE },
{ "brclr", "*,#,r", "brclr8", 4, 0x4f, 4, 4, CHG_NONE },
{ "brclr", "(),#,r", "brclr8", 5, 0x1f, 5, 5, CHG_NONE },
{ "brclr", "[],#,r", "brclr8", 4, 0x0f, 4, 4, CHG_NONE },
{ "brn", "r", "nop", 2, 0x21, 1, 3, CHG_NONE },
{ "brset", "*,#,r", "brset8", 4, 0x4e, 4, 4, CHG_NONE },
{ "brset", "(),#,r", "brset8", 5, 0x1e, 5, 5, CHG_NONE },
{ "brset", "[],#,r", "brset8", 4, 0x0e, 4, 4, CHG_NONE },
{ "bset", "*,#->*", "or8", 3, 0x4c, 4, 4, CLR_V_CHG_NZ },
{ "bset", "(),#->()", "or8", 4, 0x1c, 4, 4, CLR_V_CHG_NZ },
{ "bset", "[],#->[]", "or8", 3, 0x0c, 4, 4, CLR_V_CHG_NZ },
{ "bsr", "r", "jsr_12_16", 2, 0x07, 4, 4, CHG_NONE },
{ "bvc", "r", 0, 2, 0x28, 1, 3, CHG_NONE },
{ "bvs", "r", 0, 2, 0x29, 1, 3, CHG_NONE },
{ "call", "", "call8", 4, 0x4a, 8, 8, CHG_NONE },
{ "call", "", "call_ind",2, 0x4b, 8, 8, CHG_NONE },
{ "clr", "->()", "clr8", 3, 0x79, 3, 3, SET_Z_CLR_NVC },
{ "clr", "->[]", "clr8", 2, 0x69, 2, 2, SET_Z_CLR_NVC },
{ "clra", "->a", "clr8", 1, 0x87, 1, 1, SET_Z_CLR_NVC },
{ "clrb", "->b", "clr8", 1, 0xc7, 1, 1, SET_Z_CLR_NVC },
{ "cpa", "#,a", "sub8", 2, 0x81, 1, 1, CHG_NZVC },
{ "cpa", "*,a", "sub8", 2, 0x91, 3, 3, CHG_NZVC },
{ "cpa", "(),a", "sub8", 3, 0xb1, 3, 3, CHG_NZVC },
{ "cpa", "[],a", "sub8", 2, 0xa1, 3, 3, CHG_NZVC },
{ "cpb", "#,b", "sub8", 2, 0xc1, 1, 1, CHG_NZVC },
{ "cpb", "*,b", "sub8", 2, 0xd1, 3, 3, CHG_NZVC },
{ "cpb", "(),b", "sub8", 3, 0xf1, 3, 3, CHG_NZVC },
{ "cpb", "[],b", "sub8", 2, 0xe1, 3, 3, CHG_NZVC },
{ "com", "()->()", "com8", 3, 0x71, 4, 4, SET_C_CLR_V_CHG_NZ },
{ "com", "[]->[]", "com8", 2, 0x61, 3, 3, SET_C_CLR_V_CHG_NZ },
{ "coma", "a->a", "com8", 1, 0x41, 1, 1, SET_C_CLR_V_CHG_NZ },
{ "comb", "b->b", "com8", 1, 0x51, 1, 1, SET_C_CLR_V_CHG_NZ },
{ "cpd", "#,d", "sub16", 3, 0x8c, 2, 2, CHG_NZVC },
{ "cpd", "*,d", "sub16", 2, 0x9c, 3, 3, CHG_NZVC },
{ "cpd", "(),d", "sub16", 3, 0xbc, 3, 3, CHG_NZVC },
{ "cpd", "[],d", "sub16", 2, 0xac, 3, 3, CHG_NZVC },
{ "cps", "#,sp", "sub16", 3, 0x8f, 2, 2, CHG_NZVC },
{ "cps", "*,sp", "sub16", 2, 0x9f, 3, 3, CHG_NZVC },
{ "cps", "(),sp", "sub16", 3, 0xbf, 3, 3, CHG_NZVC },
{ "cps", "[],sp", "sub16", 2, 0xaf, 3, 3, CHG_NZVC },
{ "cpx", "#,x", "sub16", 3, 0x8e, 2, 2, CHG_NZVC },
{ "cpx", "*,x", "sub16", 2, 0x9e, 3, 3, CHG_NZVC },
{ "cpx", "(),x", "sub16", 3, 0xbe, 3, 3, CHG_NZVC },
{ "cpx", "[],x", "sub16", 2, 0xae, 3, 3, CHG_NZVC },
{ "cpy", "#,y", "sub16", 3, 0x8d, 2, 2, CHG_NZVC },
{ "cpy", "*,y", "sub16", 2, 0x9d, 3, 3, CHG_NZVC },
{ "cpy", "(),y", "sub16", 3, 0xbd, 3, 3, CHG_NZVC },
{ "cpy", "[],y", "sub16", 2, 0xad, 3, 3, CHG_NZVC },
{ "dbeq", 0, "dbcc8", 3, 0x04, 3, 3, CHG_NONE },
{ "dec", "()->()", "dec8", 3, 0x73, 4, 4, CHG_NZV },
{ "dec", "[]->[]", "dec8", 2, 0x63, 3, 3, CHG_NZV },
{ "deca", "a->a", "dec8", 1, 0x43, 1, 1, CHG_NZV },
{ "decb", "b->b", "dec8", 1, 0x53, 1, 1, CHG_NZV },
{ "dex", "x->x", "dec16", 1, 0x09, 1, 1, CHG_Z },
{ "dey", "y->y", "dec16", 1, 0x03, 1, 1, CHG_Z },
{ "ediv", 0, 0, 1, 0x11, 11, 11, CHG_NZVC },
{ "emul", 0, 0, 1, 0x13, 3, 3, CHG_NZC },
{ "eora", "#,a->a", "eor8", 2, 0x88, 1, 1, CLR_V_CHG_NZ },
{ "eora", "*,a->a", "eor8", 2, 0x98, 3, 3, CLR_V_CHG_NZ },
{ "eora", "(),a->a", "eor8", 3, 0xb8, 3, 3, CLR_V_CHG_NZ },
{ "eora", "[],a->a", "eor8", 2, 0xa8, 3, 3, CLR_V_CHG_NZ },
{ "eorb", "#,b->b", "eor8", 2, 0xc8, 1, 1, CLR_V_CHG_NZ },
{ "eorb", "*,b->b", "eor8", 2, 0xd8, 3, 3, CLR_V_CHG_NZ },
{ "eorb", "(),b->b", "eor8", 3, 0xf8, 3, 3, CLR_V_CHG_NZ },
{ "eorb", "[],b->b", "eor8", 2, 0xe8, 3, 3, CLR_V_CHG_NZ },
{ "exg", "#", "exg8", 2, 0xb7, 1, 1, CHG_NONE },
{ "inc", "()->()", "inc8", 3, 0x72, 4, 4, CHG_NZV },
{ "inc", "[]->[]", "inc8", 2, 0x62, 3, 3, CHG_NZV },
{ "inca", "a->a", "inc8", 1, 0x42, 1, 1, CHG_NZV },
{ "incb", "b->b", "inc8", 1, 0x52, 1, 1, CHG_NZV },
{ "inx", "x->x", "inc16", 1, 0x08, 1, 1, CHG_Z },
{ "iny", "y->y", "inc16", 1, 0x02, 1, 1, CHG_Z },
{ "jmp", "&()", "bra", 3, 0x06, 3, 3, CHG_NONE },
{ "jmp", "&[]", "bra", 2, 0x05, 3, 3, CHG_NONE },
{ "jsr", "*", "jsr_12_16", 2, 0x17, 4, 4, CHG_NONE },
{ "jsr", "&()", "jsr_12_16", 3, 0x16, 4, 4, CHG_NONE },
{ "jsr", "&[]", "jsr_12_16", 2, 0x15, 4, 4, CHG_NONE },
{ "ldaa", "#->a", "movtst8", 2, 0x86, 1, 1, CLR_V_CHG_NZ },
{ "ldaa", "*->a", "movtst8", 2, 0x96, 3, 3, CLR_V_CHG_NZ },
{ "ldaa", "()->a", "movtst8", 3, 0xb6, 3, 3, CLR_V_CHG_NZ },
{ "ldaa", "[]->a", "movtst8", 2, 0xa6, 3, 3, CLR_V_CHG_NZ },
{ "ldab", "#->b", "movtst8", 2, 0xc6, 1, 1, CLR_V_CHG_NZ },
{ "ldab", "*->b", "movtst8", 2, 0xd6, 3, 3, CLR_V_CHG_NZ },
{ "ldab", "()->b", "movtst8", 3, 0xf6, 3, 3, CLR_V_CHG_NZ },
{ "ldab", "[]->b", "movtst8", 2, 0xe6, 3, 3, CLR_V_CHG_NZ },
{ "ldd", "#->d", "movtst16", 3, 0xcc, 2, 2, CLR_V_CHG_NZ },
{ "ldd", "*->d", "movtst16", 2, 0xdc, 3, 3, CLR_V_CHG_NZ },
{ "ldd", "()->d", "movtst16", 3, 0xfc, 3, 3, CLR_V_CHG_NZ },
{ "ldd", "[]->d", "movtst16", 2, 0xec, 3, 3, CLR_V_CHG_NZ },
{ "lds", "#->sp", "movtst16", 3, 0xcf, 2, 2, CLR_V_CHG_NZ },
{ "lds", "*->sp", "movtst16", 2, 0xdf, 3, 3, CLR_V_CHG_NZ },
{ "lds", "()->sp", "movtst16", 3, 0xff, 3, 3, CLR_V_CHG_NZ },
{ "lds", "[]->sp", "movtst16", 2, 0xef, 3, 3, CLR_V_CHG_NZ },
{ "ldx", "#->x", "movtst16", 3, 0xce, 2, 2, CLR_V_CHG_NZ },
{ "ldx", "*->x", "movtst16", 2, 0xde, 3, 3, CLR_V_CHG_NZ },
{ "ldx", "()->x", "movtst16", 3, 0xfe, 3, 3, CLR_V_CHG_NZ },
{ "ldx", "[]->x", "movtst16", 2, 0xee, 3, 3, CLR_V_CHG_NZ },
{ "ldy", "#->y", "movtst16", 3, 0xcd, 2, 2, CLR_V_CHG_NZ },
{ "ldy", "*->y", "movtst16", 2, 0xdd, 3, 3, CLR_V_CHG_NZ },
{ "ldy", "()->y", "movtst16", 3, 0xfd, 3, 3, CLR_V_CHG_NZ },
{ "ldy", "[]->y", "movtst16", 2, 0xed, 3, 3, CLR_V_CHG_NZ },
{ "leas", "&[]->sp", "lea16", 2, 0x1b, 2, 2, CHG_NONE },
{ "leax", "&[]->x", "lea16", 2, 0x1a, 2, 2, CHG_NONE },
{ "leay", "&[]->y", "lea16", 2, 0x19, 2, 2, CHG_NONE },
{ "lsr", "()->()", "lsr8", 3, 0x74, 4, 4, CLR_N_CHG_ZVC },
{ "lsr", "[]->[]", "lsr8", 2, 0x64, 3, 3, CLR_N_CHG_ZVC },
{ "lsra", "a->a", "lsr8", 1, 0x44, 1, 1, CLR_N_CHG_ZVC },
{ "lsrb", "b->b", "lsr8", 1, 0x54, 1, 1, CLR_N_CHG_ZVC },
{ "lsrd", "d->d", "lsr16", 1, 0x49, 1, 1, CLR_N_CHG_ZVC },
{ "mem", 0, 0, 1, 0x01, 5, 5, CHG_HNZVC },
{ "mul", "b,a->d", "mul16", 1, 0x12, 3, 3, CHG_C },
{ "neg", "()->()", "neg8", 3, 0x70, 4, 4, CHG_NZVC },
{ "neg", "[]->[]", "neg8", 2, 0x60, 3, 3, CHG_NZVC },
{ "nega", "a->a", "neg8", 1, 0x40, 1, 1, CHG_NZVC },
{ "negb", "b->b", "neg8", 1, 0x50, 1, 1, CHG_NZVC },
{ "nop", "", "nop", 1, 0xa7, 1, 1, CHG_NONE },
{ "oraa", "#,a->a", "or8", 2, 0x8a, 1, 1, CLR_V_CHG_NZ },
{ "oraa", "*,a->a", "or8", 2, 0x9a, 3, 3, CLR_V_CHG_NZ },
{ "oraa", "(),a->a", "or8", 3, 0xba, 3, 3, CLR_V_CHG_NZ },
{ "oraa", "[],a->a", "or8", 2, 0xaa, 3, 3, CLR_V_CHG_NZ },
{ "orab", "#,b->b", "or8", 2, 0xca, 1, 1, CLR_V_CHG_NZ },
{ "orab", "*,b->b", "or8", 2, 0xda, 3, 3, CLR_V_CHG_NZ },
{ "orab", "(),b->b", "or8", 3, 0xfa, 3, 3, CLR_V_CHG_NZ },
{ "orab", "[],b->b", "or8", 2, 0xea, 3, 3, CLR_V_CHG_NZ },
{ "orcc", "#,ccr->ccr", "or8", 2, 0x14, 1, 1, CHG_ALL },
{ "page2", 0, "page2", 1, 0x18, 0, 0, CHG_NONE },
{ "psha", "a->(sp)", "mov8", 1, 0x36, 2, 2, CHG_NONE },
{ "pshb", "b->(sp)", "mov8", 1, 0x37, 2, 2, CHG_NONE },
{ "pshc", "ccr->(sp)", "mov8", 1, 0x39, 2, 2, CHG_NONE },
{ "pshd", "d->(sp)", "mov16", 1, 0x3b, 2, 2, CHG_NONE },
{ "pshx", "x->(sp)", "mov16", 1, 0x34, 2, 2, CHG_NONE },
{ "pshy", "y->(sp)", "mov16", 1, 0x35, 2, 2, CHG_NONE },
{ "pula", "(sp)->a", "mov8", 1, 0x32, 3, 3, CHG_NONE },
{ "pulb", "(sp)->b", "mov8", 1, 0x33, 3, 3, CHG_NONE },
{ "pulc", "(sp)->ccr", "mov8", 1, 0x38, 3, 3, CHG_ALL },
{ "puld", "(sp)->d", "mov16", 1, 0x3a, 3, 3, CHG_NONE },
{ "pulx", "(sp)->x", "mov16", 1, 0x30, 3, 3, CHG_NONE },
{ "puly", "(sp)->y", "mov16", 1, 0x31, 3, 3, CHG_NONE },
{ "rol", "()->()", "rol8", 3, 0x75, 4, 4, CHG_NZVC },
{ "rol", "[]->[]", "rol8", 2, 0x65, 3, 3, CHG_NZVC },
{ "rola", "a->a", "rol8", 1, 0x45, 1, 1, CHG_NZVC },
{ "rolb", "b->b", "rol8", 1, 0x55, 1, 1, CHG_NZVC },
{ "ror", "()->()", "ror8", 3, 0x76, 4, 4, CHG_NZVC },
{ "ror", "[]->[]", "ror8", 2, 0x66, 3, 3, CHG_NZVC },
{ "rora", "a->a", "ror8", 1, 0x46, 1, 1, CHG_NZVC },
{ "rorb", "b->b", "ror8", 1, 0x56, 1, 1, CHG_NZVC },
{ "rtc", 0, 0, 1, 0x0a, 6, 6, CHG_NONE },
{ "rti", 0, "rti12", 1, 0x0b, 8, 10, CHG_ALL},
{ "rts", 0, "rts12", 1, 0x3d, 5, 5, CHG_NONE },
{ "sbca", "#,a->a", "sbc8", 2, 0x82, 1, 1, CHG_NZVC },
{ "sbca", "*,a->a", "sbc8", 2, 0x92, 3, 3, CHG_NZVC },
{ "sbca", "(),a->a", "sbc8", 3, 0xb2, 3, 3, CHG_NZVC },
{ "sbca", "[],a->a", "sbc8", 2, 0xa2, 3, 3, CHG_NZVC },
{ "sbcb", "#,b->b", "sbc8", 2, 0xc2, 1, 1, CHG_NZVC },
{ "sbcb", "*,b->b", "sbc8", 2, 0xd2, 3, 3, CHG_NZVC },
{ "sbcb", "(),b->b", "sbc8", 3, 0xf2, 3, 3, CHG_NZVC },
{ "sbcb", "[],b->b", "sbc8", 2, 0xe2, 3, 3, CHG_NZVC },
{ "staa", "a->*", "movtst8", 2, 0x5a, 2, 2, CLR_V_CHG_NZ },
{ "staa", "a->()", "movtst8", 3, 0x7a, 3, 3, CLR_V_CHG_NZ },
{ "staa", "a->[]", "movtst8", 2, 0x6a, 2, 2, CLR_V_CHG_NZ },
{ "stab", "b->*", "movtst8", 2, 0x5b, 2, 2, CLR_V_CHG_NZ },
{ "stab", "b->()", "movtst8", 3, 0x7b, 3, 3, CLR_V_CHG_NZ },
{ "stab", "b->[]", "movtst8", 2, 0x6b, 2, 2, CLR_V_CHG_NZ },
{ "std", "d->*", "movtst16", 2, 0x5c, 2, 2, CLR_V_CHG_NZ },
{ "std", "d->()", "movtst16", 3, 0x7c, 3, 3, CLR_V_CHG_NZ },
{ "std", "d->[]", "movtst16", 2, 0x6c, 2, 2, CLR_V_CHG_NZ },
{ "sts", "sp->*", "movtst16", 2, 0x5f, 2, 2, CLR_V_CHG_NZ },
{ "sts", "sp->()", "movtst16", 3, 0x7f, 3, 3, CLR_V_CHG_NZ },
{ "sts", "sp->[]", "movtst16", 2, 0x6f, 2, 2, CLR_V_CHG_NZ },
{ "stx", "x->*", "movtst16", 2, 0x5e, 2, 2, CLR_V_CHG_NZ },
{ "stx", "x->()", "movtst16", 3, 0x7e, 3, 3, CLR_V_CHG_NZ },
{ "stx", "x->[]", "movtst16", 2, 0x6e, 2, 2, CLR_V_CHG_NZ },
{ "sty", "y->*", "movtst16", 2, 0x5d, 2, 2, CLR_V_CHG_NZ },
{ "sty", "y->()", "movtst16", 3, 0x7d, 3, 3, CLR_V_CHG_NZ },
{ "sty", "y->[]", "movtst16", 2, 0x6d, 2, 2, CLR_V_CHG_NZ },
{ "suba", "#,a->a", "sub8", 2, 0x80, 1, 1, CHG_NZVC },
{ "suba", "*,a->a", "sub8", 2, 0x90, 3, 3, CHG_NZVC },
{ "suba", "(),a->a", "sub8", 3, 0xb0, 3, 3, CHG_NZVC },
{ "suba", "[],a->a", "sub8", 2, 0xa0, 3, 3, CHG_NZVC },
{ "subb", "#,b->b", "sub8", 2, 0xc0, 1, 1, CHG_NZVC },
{ "subb", "*,b->b", "sub8", 2, 0xd0, 3, 3, CHG_NZVC },
{ "subb", "(),b->b", "sub8", 3, 0xf0, 3, 3, CHG_NZVC },
{ "subb", "[],b->b", "sub8", 2, 0xe0, 3, 3, CHG_NZVC },
{ "subd", "#,d->d", "sub16", 3, 0x83, 2, 2, CHG_NZVC },
{ "subd", "*,d->d", "sub16", 2, 0x93, 3, 3, CHG_NZVC },
{ "subd", "(),d->d", "sub16", 3, 0xb3, 3, 3, CHG_NZVC },
{ "subd", "[],d->d", "sub16", 2, 0xa3, 3, 3, CHG_NZVC },
{ "swi", 0, 0, 1, 0x3f, 9, 9, CHG_NONE },
{ "tst", "()", "tst8", 3, 0xf7, 3, 3, CLR_VC_CHG_NZ },
{ "tst", "[]", "tst8", 2, 0xe7, 3, 3, CLR_VC_CHG_NZ },
{ "tsta", "a", "tst8", 1, 0x97, 1, 1, CLR_VC_CHG_NZ },
{ "tstb", "b", "tst8", 1, 0xd7, 1, 1, CLR_VC_CHG_NZ },
{ "wai", 0, 0, 1, 0x3e, 8, _M, CHG_NONE }
};
struct m6811_opcode_def m6812_page2_opcodes[] = {
{ "cba", "b,a", "sub8", 2, 0x17, 2, 2, CHG_NZVC },
{ "daa", 0, "daa8", 2, 0x07, 3, 3, CHG_NZVC },
{ "edivs", 0, 0, 2, 0x14, 12, 12, CHG_NZVC },
{ "emacs", 0, 0, 2, 0x12, 13, 13, CHG_NZVC },
{ "emaxd", "[],d->d", "max16", 3, 0x1a, 4, 4, CHG_NZVC },
{ "emaxm", "[],d->[]", "max16", 3, 0x1e, 4, 4, CHG_NZVC },
{ "emind", "[],d->d", "min16", 3, 0x1b, 4, 4, CHG_NZVC },
{ "eminm", "[],d->[]", "min16", 3, 0x1f, 4, 4, CHG_NZVC },
{ "emuls", 0, 0, 2, 0x13, 3, 3, CHG_NZC },
{ "etbl", "[]", "tbl16", 3, 0x3f, 10, 10, CHG_NZC },
{ "fdiv", "x,d->x", "fdiv16", 2, 0x11, 12, 12, CHG_ZVC },
{ "idiv", "x,d->x", "idiv16", 2, 0x10, 12, 12, CLR_V_CHG_ZC },
{ "idivs", 0, 0, 2, 0x15, 12, 12, CHG_NZVC },
{ "lbcc", "R", "bcc", 4, 0x24, 3, 4, CHG_NONE },
{ "lbcs", "R", "bcs", 4, 0x25, 3, 4, CHG_NONE },
{ "lbeq", "R", "beq", 4, 0x27, 3, 4, CHG_NONE },
{ "lbge", "R", "bge", 4, 0x2c, 3, 4, CHG_NONE },
{ "lbgt", "R", "bgt", 4, 0x2e, 3, 4, CHG_NONE },
{ "lbhi", "R", "bhi", 4, 0x22, 3, 4, CHG_NONE },
{ "lble", "R", "ble", 4, 0x2f, 3, 4, CHG_NONE },
{ "lbls", "R", "bls", 4, 0x23, 3, 4, CHG_NONE },
{ "lblt", "R", "blt", 4, 0x2d, 3, 4, CHG_NONE },
{ "lbmi", "R", "bmi", 4, 0x2b, 3, 4, CHG_NONE },
{ "lbne", "R", "bne", 4, 0x26, 3, 4, CHG_NONE },
{ "lbpl", "R", "bpl", 4, 0x2a, 3, 4, CHG_NONE },
{ "lbra", "R", "bra", 4, 0x20, 4, 4, CHG_NONE },
{ "lbrn", "R", "nop", 4, 0x21, 3, 3, CHG_NONE },
{ "lbvc", "R", "bvc", 4, 0x28, 3, 4, CHG_NONE },
{ "lbvs", "R", "bvs", 4, 0x29, 3, 4, CHG_NONE },
{ "maxa", "[],a->a", "max8", 3, 0x18, 4, 4, CHG_NZVC },
{ "maxm", "[],a->[]", "max8", 3, 0x1c, 4, 4, CHG_NZVC },
{ "mina", "[],a->a", "min8", 3, 0x19, 4, 4, CHG_NZVC },
{ "minm", "[],a->[]", "min8", 3, 0x1d, 4, 4, CHG_NZVC },
{ "movb", 0, "move8", 5, 0x0b, 4, 4, CHG_NONE },
{ "movb", 0, "move8", 4, 0x08, 4, 4, CHG_NONE },
{ "movb", 0, "move8", 6, 0x0c, 6, 6, CHG_NONE },
{ "movb", 0, "move8", 5, 0x09, 5, 5, CHG_NONE },
{ "movb", 0, "move8", 5, 0x0d, 5, 5, CHG_NONE },
{ "movb", 0, "move8", 4, 0x0a, 5, 5, CHG_NONE },
{ "movw", 0, "move16", 6, 0x03, 5, 5, CHG_NONE },
{ "movw", 0, "move16", 5, 0x00, 4, 4, CHG_NONE },
{ "movw", 0, "move16", 6, 0x04, 6, 6, CHG_NONE },
{ "movw", 0, "move16", 5, 0x01, 5, 5, CHG_NONE },
{ "movw", 0, "move16", 5, 0x05, 5, 5, CHG_NONE },
{ "movw", 0, "move16", 4, 0x02, 5, 5, CHG_NONE },
{ "rev", 0, 0, 2, 0x3a, _M, _M, CHG_HNZVC },
{ "revw", 0, 0, 2, 0x3b, _M, _M, CHG_HNZVC },
{ "sba", "b,a->a", "sub8", 2, 0x16, 2, 2, CHG_NZVC },
{ "stop", 0, 0, 2, 0x3e, 2, 9, CHG_NONE },
{ "tab", "a->b", "movtst8", 2, 0x0e, 2, 2, CLR_V_CHG_NZ },
{ "tba", "b->a", "movtst8", 2, 0x0f, 2, 2, CLR_V_CHG_NZ },
{ "wav", 0, 0, 2, 0x3c, 8, _M, SET_Z_CHG_HNVC }
};
void fatal_error (const struct m6811_opcode_def*, const char*, ...);
void print (FILE*, int, const char*,...);
int gen_fetch_operands (FILE*, int, const struct m6811_opcode_def*,
const char*);
void gen_save_result (FILE*, int, const struct m6811_opcode_def*,
int, const char*);
const struct m6811_opcode_pattern*
find_opcode_pattern (const struct m6811_opcode_def*);
void gen_interp (FILE*, int, const struct m6811_opcode_def*);
void gen_interpreter_for_table (FILE*, int,
const struct m6811_opcode_def*,
int, const char*);
void gen_interpreter (FILE*);
static int indent_level = 2;
static int current_insn_size = 0;
void
fatal_error (const struct m6811_opcode_def *opcode, const char *msg, ...)
{
va_list argp;
fprintf (stderr, "Fatal error: ");
va_start (argp, msg);
vfprintf (stderr, msg, argp);
va_end (argp);
fprintf (stderr, "\n");
if (opcode)
{
fprintf (stderr, "Opcode: 0x%02x %s %s\n",
opcode->insn_code,
opcode->name ? opcode->name : "(null)",
opcode->operands ? opcode->operands : "(null)");
}
exit (1);
}
void
print (FILE *fp, int col, const char *msg, ...)
{
va_list argp;
char buf[1024];
int cur_col = -1;
int i;
va_start (argp, msg);
vsprintf (buf, msg, argp);
va_end (argp);
for (i = 0; buf[i]; i++)
{
if (buf[i] == '{')
col += indent_level;
else if (buf[i] == '}')
col -= indent_level;
else if (buf[i] == '@')
{
col += indent_level;
continue;
}
if (cur_col == -1 && buf[i] != ' ' && buf[i] != '\t' && buf[i] != '\n')
{
cur_col = 0;
while (cur_col < col)
{
fputc (' ', fp);
cur_col++;
}
}
if (buf[i] == '}')
col -= indent_level;
else if (buf[i] == '{')
col += indent_level;
else if (buf[i] == '\n')
cur_col = -1;
if (cur_col != -1 || buf[i] == '\n')
fputc (buf[i], fp);
if (buf[i] == ';')
{
fputc ('\n', fp);
cur_col = -1;
}
}
}
int
gen_fetch_operands (FILE *fp, int col,
const struct m6811_opcode_def *opcode,
const char *operand_size)
{
static char *vars[2] = {
"src",
"dst"
};
char c;
int addr_set = 0;
int cur_var = 0;
const char *operands = opcode->operands;
if (operands == 0)
operands = "";
while ((c = *operands++) != 0)
{
switch (c)
{
case 'a':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
print (fp, col, "%s8 = cpu_get_a (proc);", vars[cur_var]);
break;
case 'b':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
print (fp, col, "%s8 = cpu_get_b (proc);", vars[cur_var]);
break;
case 'd':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
print (fp, col, "%s16 = cpu_get_d (proc);", vars[cur_var]);
break;
case 'x':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
print (fp, col, "%s16 = cpu_get_x (proc);", vars[cur_var]);
break;
case 'y':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
print (fp, col, "%s16 = cpu_get_y (proc);", vars[cur_var]);
break;
case '*':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
if (addr_set)
fatal_error (opcode, "Wrong use of '*', 'addr' already used");
addr_set = 1;
current_insn_size += 1;
print (fp, col, "addr = (uint16) cpu_fetch8 (proc);");
print (fp, col, "%s%s = memory_read%s (proc, addr);",
vars[cur_var], operand_size, operand_size);
break;
case '&':
if (addr_set)
fatal_error (opcode, "Wrong use of '&', 'addr' already used");
addr_set = 1;
if (strncmp (operands, "(x)", 3) == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_x (proc) + (uint16) cpu_fetch8 (proc);");
operands += 3;
}
else if (strncmp (operands, "(y)", 3) == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_y (proc) + (uint16) cpu_fetch8 (proc);");
operands += 3;
}
else if (strncmp (operands, "()", 2) == 0)
{
current_insn_size += 2;
print (fp, col, "addr = cpu_fetch16 (proc);");
operands += 2;
}
else if (strncmp (operands, "[]", 2) == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_indexed_operand_addr (proc, 0);");
operands += 2;
}
else
{
fatal_error (opcode, "Unknown operand");
}
break;
case '(':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
if (addr_set)
fatal_error (opcode, "Wrong use of '(', 'addr' already used");
if (strncmp (operands, "x)", 2) == 0)
{
addr_set = 1;
current_insn_size += 1;
print (fp, col, "addr = cpu_get_x (proc) + (uint16) cpu_fetch8 (proc);");
print (fp, col, "%s%s = memory_read%s (proc, addr);",
vars[cur_var], operand_size, operand_size);
operands += 2;
}
else if (strncmp (operands, "y)", 2) == 0)
{
addr_set = 1;
current_insn_size += 1;
print (fp, col, "addr = cpu_get_y (proc) + (uint16) cpu_fetch8 (proc);");
print (fp, col, "%s%s = memory_read%s (proc, addr);",
vars[cur_var], operand_size, operand_size);
operands += 2;
}
else if (strncmp (operands, ")", 1) == 0)
{
addr_set = 1;
current_insn_size += 2;
print (fp, col, "addr = cpu_fetch16 (proc);");
print (fp, col, "%s%s = memory_read%s (proc, addr);",
vars[cur_var], operand_size, operand_size);
operands++;
}
else if (strncmp (operands, "@)", 2) == 0)
{
current_insn_size += 2;
print (fp, col, "addr = cpu_fetch16 (proc);");
print (fp, col, "%s%s = memory_read%s (proc, addr);",
vars[cur_var], operand_size, operand_size);
operands += 2;
}
else if (strncmp (operands, "sp)", 3) == 0)
{
print (fp, col, "%s%s = cpu_%s_pop_uint%s (proc);",
vars[cur_var], operand_size,
cpu_type == cpu6811 ? "m68hc11" : "m68hc12",
operand_size);
operands += 3;
}
else
{
fatal_error (opcode, "Unknown operand");
}
break;
case '[':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
if (addr_set)
fatal_error (opcode, "Wrong use of '[', 'addr' already used");
if (strncmp (operands, "]", 1) == 0)
{
addr_set = 1;
current_insn_size += 1;
print (fp, col, "addr = cpu_get_indexed_operand_addr (proc,0);");
print (fp, col, "%s%s = memory_read%s (proc, addr);",
vars[cur_var], operand_size, operand_size);
operands += 1;
}
else if (strncmp (operands, "]", 1) == 0)
{
current_insn_size += 1;
print (fp, col, "%s%s = cpu_get_indexed_operand%s (proc,0);",
vars[cur_var], operand_size, operand_size);
operands += 1;
}
else
{
fatal_error (opcode, "Unknown operand");
}
break;
case '{':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
if (addr_set)
fatal_error (opcode, "Wrong use of '{', 'addr' already used");
if (strncmp (operands, "}", 1) == 0)
{
current_insn_size += 1;
print (fp, col, "%s%s = cpu_get_indexed_operand%s (proc, 1);",
vars[cur_var], operand_size, operand_size);
operands += 1;
}
else
{
fatal_error (opcode, "Unknown operand");
}
break;
case 's':
if (cur_var >= 2)
fatal_error (opcode, "Too many locals");
if (strncmp (operands, "p", 1) == 0)
{
print (fp, col, "%s16 = cpu_get_sp (proc);", vars[cur_var]);
operands++;
}
else
{
fatal_error (opcode, "Unknown operands");
}
break;
case 'c':
if (strncmp (operands, "cr", 2) == 0)
{
print (fp, col, "%s8 = cpu_get_ccr (proc);", vars[cur_var]);
operands += 2;
}
else
{
fatal_error (opcode, "Unknown operands");
}
break;
case 'r':
if (addr_set && cur_var != 2)
fatal_error (opcode, "Wrong use of 'r'");
addr_set = 1;
current_insn_size += 1;
print (fp, col, "addr = cpu_fetch_relbranch (proc);");
break;
case 'R':
if (addr_set && cur_var != 2)
fatal_error (opcode, "Wrong use of 'R'");
addr_set = 1;
current_insn_size += 2;
print (fp, col, "addr = cpu_fetch_relbranch16 (proc);");
break;
case '#':
if (strcmp (operand_size, "8") == 0)
{
current_insn_size += 1;
}
else
{
current_insn_size += 2;
}
print (fp, col, "%s%s = cpu_fetch%s (proc);", vars[cur_var],
operand_size, operand_size);
break;
case ',':
cur_var ++;
break;
case '-':
return addr_set;
default:
fatal_error (opcode, "Invalid operands");
break;
}
}
return addr_set;
}
void
gen_save_result (FILE *fp, int col,
const struct m6811_opcode_def *opcode,
int addr_set,
const char *operand_size)
{
char c;
const char *operands = opcode->operands;
const char *result_size = 0;
if (operands == 0)
operands = "";
operands = strchr (operands, '-');
if (operands == 0)
return;
operands++;
if (*operands++ != '>')
{
fatal_error (opcode, "Invalid operand");
}
c = *operands++;
switch (c)
{
case 'a':
result_size = "8";
print (fp, col, "cpu_set_a (proc, dst8);");
break;
case 'b':
result_size = "8";
print (fp, col, "cpu_set_b (proc, dst8);");
break;
case 'd':
result_size = "16";
print (fp, col, "cpu_set_d (proc, dst16);");
break;
case 'x':
result_size = "16";
print (fp, col, "cpu_set_x (proc, dst16);");
break;
case 'y':
result_size = "16";
print (fp, col, "cpu_set_y (proc, dst16);");
break;
case '*':
if (addr_set == 0)
{
current_insn_size += 1;
print (fp, col, "addr = (uint16) cpu_fetch8 (proc);");
}
result_size = operand_size;
print (fp, col, "memory_write%s (proc, addr, dst%s);",
operand_size, operand_size);
break;
case '(':
if (strncmp (operands, "x)", 2) == 0)
{
if (addr_set == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_x (proc) + cpu_fetch8 (proc);");
}
print (fp, col, "memory_write%s (proc, addr, dst%s);",
operand_size, operand_size);
operands += 2;
result_size = operand_size;
}
else if (strncmp (operands, "y)", 2) == 0)
{
if (addr_set == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_y (proc) + cpu_fetch8 (proc);");
}
print (fp, col, "memory_write%s (proc, addr, dst%s);",
operand_size, operand_size);
operands += 2;
result_size = operand_size;
}
else if (strncmp (operands, ")", 1) == 0)
{
if (addr_set == 0)
{
current_insn_size += 2;
print (fp, col, "addr = cpu_fetch16 (proc);");
}
print (fp, col, "memory_write%s (proc, addr, dst%s);",
operand_size, operand_size);
operands++;
result_size = operand_size;
}
else if (strncmp (operands, "sp)", 3) == 0)
{
print (fp, col, "cpu_%s_push_uint%s (proc, dst%s);",
cpu_type == cpu6811 ? "m68hc11" : "m68hc12",
operand_size, operand_size);
operands += 3;
result_size = operand_size;
}
else
{
fatal_error (opcode, "Invalid operand");
}
break;
case '[':
if (strncmp (operands, "]", 1) == 0)
{
if (addr_set == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_indexed_operand_addr (proc,0);");
}
print (fp, col, "memory_write%s (proc, addr, dst%s);",
operand_size, operand_size);
operands++;
result_size = operand_size;
}
else
{
fatal_error (opcode, "Invalid operand");
}
break;
case '{':
if (strncmp (operands, "}", 1) == 0)
{
current_insn_size += 1;
print (fp, col, "addr = cpu_get_indexed_operand_addr (proc, 1);");
print (fp, col, "memory_write%s (proc, addr, dst%s);",
operand_size, operand_size);
operands++;
result_size = operand_size;
}
else
{
fatal_error (opcode, "Invalid operand");
}
break;
case 's':
if (strncmp (operands, "p", 1) == 0)
{
print (fp, col, "cpu_set_sp (proc, dst16);");
operands++;
result_size = "16";
}
else
{
fatal_error (opcode, "Invalid operand");
}
break;
case 'c':
if (strncmp (operands, "cr", 2) == 0)
{
print (fp, col, "cpu_set_ccr (proc, dst8);");
operands += 2;
result_size = "8";
}
else
{
fatal_error (opcode, "Invalid operand");
}
break;
default:
fatal_error (opcode, "Invalid operand");
break;
}
if (*operands != 0)
fatal_error (opcode, "Garbage at end of operand");
if (result_size == 0)
fatal_error (opcode, "? No result seems to be saved");
if (strcmp (result_size, operand_size) != 0)
fatal_error (opcode, "Result saved different than pattern size");
}
const struct m6811_opcode_pattern*
find_opcode_pattern (const struct m6811_opcode_def *opcode)
{
int i;
const char *pattern = opcode->insn_pattern;
if (pattern == 0)
{
pattern = opcode->name;
}
for (i = 0; i < TABLE_SIZE(m6811_opcode_patterns); i++)
{
if (strcmp (m6811_opcode_patterns[i].name, pattern) == 0)
{
return &m6811_opcode_patterns[i];
}
}
fatal_error (opcode, "Unknown instruction pattern");
return 0;
}
void
gen_interp (FILE *fp, int col, const struct m6811_opcode_def *opcode)
{
const char *operands = opcode->operands;
int addr_set;
const char *pattern = opcode->insn_pattern;
const struct m6811_opcode_pattern *op;
const char *operand_size;
if (pattern == 0)
{
pattern = opcode->name;
}
if (strcmp(&pattern[strlen(pattern) - 1], "8") == 0)
{
operand_size = "8";
}
else if (strcmp (&pattern[strlen(pattern) - 2], "16") == 0)
{
operand_size = "16";
}
else
{
operand_size = "";
}
if (operands == 0)
operands = "";
print (fp, col, "case 0x%02x: /* %s %s */\n", opcode->insn_code,
opcode->name, operands);
col += indent_level;
addr_set = gen_fetch_operands (fp, col, opcode, operand_size);
op = find_opcode_pattern (opcode);
if (op->pattern)
{
print (fp, col, "%s;", op->pattern);
}
gen_save_result (fp, col, opcode, addr_set, operand_size);
if (op && op->ccr_update)
{
print (fp, col, "%s;", op->ccr_update);
}
print (fp, col, "break;");
}
void
gen_interpreter_for_table (FILE *fp, int col,
const struct m6811_opcode_def *table,
int size,
const char *cycles_table_name)
{
int i;
int init_size;
init_size = table == m6811_page1_opcodes
|| table == m6812_page1_opcodes? 1 : 2;
print (fp, col, "op = cpu_fetch8 (proc);");
print (fp, col, "cpu_add_cycles (proc, %s[op]);", cycles_table_name);
print (fp, col, "switch (op)\n");
col += indent_level;
print (fp, col, "{\n");
for (i = 0; i < size; i++)
{
if (i > 0 && table[i].insn_code == table[i - 1].insn_code)
continue;
current_insn_size = init_size;
gen_interp (fp, col, &table[i]);
#if 0
if (current_insn_size != table[i].insn_size)
{
fatal_error (&table[i], "Insn size %ld inconsistent with %ld",
current_insn_size, table[i].insn_size);
}
#endif
}
print (fp, col, "default:\n");
print (fp, col + indent_level, "cpu_special (proc, M6811_ILLEGAL);");
print (fp, col + indent_level, "break;");
print (fp, col, "}\n");
}
void
gen_cycle_table (FILE *fp, const char *name,
const struct m6811_opcode_def *table,
int size)
{
int i;
char cycles[256];
int page1;
page1 = table == m6811_page1_opcodes;
memset (cycles, 0, sizeof (cycles));
while (--size >= 0)
{
if (table->insn_min_cycles > table->insn_max_cycles)
fatal_error (table, "Wrong insn cycles");
if (table->insn_max_cycles == _M)
cycles[table->insn_code] = table->insn_min_cycles;
else
cycles[table->insn_code] = table->insn_max_cycles;
table++;
}
if (page1 && (cycles[M6811_OPCODE_PAGE2] != 0
|| cycles[M6811_OPCODE_PAGE3] != 0
|| cycles[M6811_OPCODE_PAGE4] != 0))
fatal_error (0, "Invalid cycle table");
print (fp, 0, "static const unsigned char %s[256] = {\n", name);
for (i = 0; i < 256; i++)
{
if ((i % 16) == 0)
{
print (fp, indent_level, "/* %3d */ ", i);
}
fprintf (fp, "%2d", cycles[i]);
if (i != 255)
fprintf (fp, ",");
if ((i % 16) != 15)
fprintf (fp, " ");
else
fprintf (fp, "\n");
}
print (fp, 0, "};\n\n");
}
#define USE_SRC8 1
#define USE_DST8 2
void
gen_function_entry (FILE *fp, const char *name, int locals)
{
print (fp, 0, "%s (proc)\n", name);
print (fp, indent_level, "struct _sim_cpu* proc;");
print (fp, indent_level, "{\n");
print (fp, indent_level, "unsigned char op;");
print (fp, indent_level, "uint16 addr, src16, dst16;");
if (locals & USE_SRC8)
print (fp, indent_level, "uint8 src8;\n");
if (locals & USE_DST8)
print (fp, indent_level, "uint8 dst8;\n");
}
void
gen_function_close (FILE *fp)
{
print (fp, 0, "}\n");
}
int
cmp_opcode (void* e1, void* e2)
{
struct m6811_opcode_def* op1 = (struct m6811_opcode_def*) e1;
struct m6811_opcode_def* op2 = (struct m6811_opcode_def*) e2;
return (int) (op1->insn_code) - (int) (op2->insn_code);
}
void
prepare_table (struct m6811_opcode_def* table, int size)
{
int i;
qsort (table, size, sizeof (table[0]), cmp_opcode);
for (i = 1; i < size; i++)
{
if (table[i].insn_code == table[i-1].insn_code)
{
fprintf (stderr, "Two insns with code 0x%02x\n",
table[i].insn_code);
}
}
}
void
gen_interpreter (FILE *fp)
{
int col = 0;
prepare_table (m6811_page1_opcodes, TABLE_SIZE (m6811_page1_opcodes));
prepare_table (m6811_page2_opcodes, TABLE_SIZE (m6811_page2_opcodes));
prepare_table (m6811_page3_opcodes, TABLE_SIZE (m6811_page3_opcodes));
prepare_table (m6811_page4_opcodes, TABLE_SIZE (m6811_page4_opcodes));
prepare_table (m6812_page1_opcodes, TABLE_SIZE (m6812_page1_opcodes));
prepare_table (m6812_page2_opcodes, TABLE_SIZE (m6812_page2_opcodes));
print (fp, col, "/* File generated automatically by gencode. */\n");
print (fp, col, "#include \"sim-main.h\"\n\n");
if (cpu_type & cpu6811)
{
gen_cycle_table (fp, "cycles_page1", m6811_page1_opcodes,
TABLE_SIZE (m6811_page1_opcodes));
gen_cycle_table (fp, "cycles_page2", m6811_page2_opcodes,
TABLE_SIZE (m6811_page2_opcodes));
gen_cycle_table (fp, "cycles_page3", m6811_page3_opcodes,
TABLE_SIZE (m6811_page3_opcodes));
gen_cycle_table (fp, "cycles_page4", m6811_page4_opcodes,
TABLE_SIZE (m6811_page4_opcodes));
gen_function_entry (fp, "static void\ncpu_page3_interp", 0);
gen_interpreter_for_table (fp, indent_level,
m6811_page3_opcodes,
TABLE_SIZE(m6811_page3_opcodes),
"cycles_page3");
gen_function_close (fp);
gen_function_entry (fp, "static void\ncpu_page4_interp", 0);
gen_interpreter_for_table (fp, indent_level,
m6811_page4_opcodes,
TABLE_SIZE(m6811_page4_opcodes),
"cycles_page4");
gen_function_close (fp);
gen_function_entry (fp, "static void\ncpu_page2_interp",
USE_SRC8 | USE_DST8);
gen_interpreter_for_table (fp, indent_level,
m6811_page2_opcodes,
TABLE_SIZE(m6811_page2_opcodes),
"cycles_page2");
gen_function_close (fp);
gen_function_entry (fp, "void\ncpu_interp_m6811",
USE_SRC8 | USE_DST8);
gen_interpreter_for_table (fp, indent_level, m6811_page1_opcodes,
TABLE_SIZE(m6811_page1_opcodes),
"cycles_page1");
gen_function_close (fp);
}
else
{
gen_cycle_table (fp, "cycles_page1", m6812_page1_opcodes,
TABLE_SIZE (m6812_page1_opcodes));
gen_cycle_table (fp, "cycles_page2", m6812_page2_opcodes,
TABLE_SIZE (m6812_page2_opcodes));
gen_function_entry (fp, "static void\ncpu_page2_interp",
USE_SRC8 | USE_DST8);
gen_interpreter_for_table (fp, indent_level,
m6812_page2_opcodes,
TABLE_SIZE(m6812_page2_opcodes),
"cycles_page2");
gen_function_close (fp);
gen_function_entry (fp, "void\ncpu_interp_m6812",
USE_SRC8 | USE_DST8);
gen_interpreter_for_table (fp, indent_level, m6812_page1_opcodes,
TABLE_SIZE(m6812_page1_opcodes),
"cycles_page1");
gen_function_close (fp);
}
}
void
usage (char* prog)
{
fprintf (stderr, "Usage: %s {-m6811|-m6812}\n", prog);
exit (2);
}
int
main (int argc, char *argv[])
{
int i;
for (i = 1; i < argc; i++)
{
if (strcmp (argv[i], "-m6811") == 0)
cpu_type = cpu6811;
else if (strcmp (argv[i], "-m6812") == 0)
cpu_type = cpu6812;
else
{
usage (argv[0]);
}
}
if (cpu_type == 0)
usage (argv[0]);
gen_interpreter (stdout);
if (fclose (stdout) != 0)
{
fprintf (stderr, "Error while generating the interpreter: %d\n",
errno);
return 1;
}
return 0;
}