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d6809.c
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d6809.c
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/***************************************************************************
* dasm09 -- Portable M6809/H6309/OS9 Disassembler *
* Copyright (C) 2000 Arto Salmi *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
***************************************************************************/
/***************************************************************************
NOTES
-----
You need following functions/macros:
OPCODE(address) - Fetch opcode
ARGBYTE(address) - Fetch opcode argument 8 bit
ARGWORD(address) - Fetch opcode argument 16 bit
If you use Dasm() directly (faster), make sure that
you use correct pointers.
OS9 support: set variable os9_patch = TRUE
os9 call table is not tested.
***************************************************************************/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "d6809.h"
typedef uint8_t byte;
typedef uint16_t word;
#ifndef FALSE
#define FALSE 0L
#define TRUE 1L
#endif
unsigned d6809_disassemble(char *buffer, unsigned pc);
unsigned d6309_disassemble(char *buffer, unsigned pc);
/*
* Turn the macro glue into something that suits us
*/
#define OPCODE(x) e6809_read8_debug(x)
#define ARGBYTE(x) e6809_read8_debug(x)
uint16_t ARGWORD(uint16_t x)
{
uint16_t r = e6809_read8_debug(x) << 8;
return r | e6809_read8_debug(x + 1);
}
/*
* Disassembler proper
*/
enum addr_mode {
_nom, /* no mode */
_imp, /* inherent/implied */
_imb, /* immediate byte */
_imw, /* immediate word */
_dir, /* direct */
_ext, /* extended */
_ind, /* indexed */
_reb, /* relative byte */
_rew, /* relative word */
_r1 , /* tfr/exg mode */
_r2 , /* pul/psh system */
_r3 , /* pul/psh user */
_bd , /* Bit Manipulation direct */
_bi , /* Bit Manipulation index */
_be , /* Bit Manipulation extended */
_bt , /* Bit Transfers direct */
_t1 , /* Block Transfer r0+,r1+ */
_t2 , /* Block Transfer r0-,r1- */
_t3 , /* Block Transfer r0+,r1 */
_t4 , /* Block Transfer r0,r1+ */
_iml /* immediate 32-bit */
};
enum opcodes {
_ill=0,_abx, _adca, _adcb, _adda, _addb, _addd, _anda, _andb,
_andcc,_asla, _aslb, _asl, _asra, _asrb, _asr, _bcc, _lbcc,
_bcs, _lbcs, _beq, _lbeq, _bge, _lbge, _bgt, _lbgt, _bhi,
_lbhi, _bita, _bitb, _ble, _lble, _bls, _lbls, _blt, _lblt,
_bmi, _lbmi, _bne, _lbne, _bpl, _lbpl, _bra, _lbra, _brn,
_lbrn, _bsr, _lbsr, _bvc, _lbvc, _bvs, _lbvs, _clra, _clrb,
_clr, _cmpa, _cmpb, _cmpd, _cmps, _cmpu, _cmpx, _cmpy, _coma,
_comb, _com, _cwai, _daa, _deca, _decb, _dec, _eora, _eorb,
_exg, _inca, _incb, _inc, _jmp, _jsr, _lda, _ldb, _ldd,
_lds, _ldu, _ldx, _ldy, _leas, _leau, _leax, _leay, _lsra,
_lsrb, _lsr, _mul, _nega, _negb, _neg, _nop, _ora, _orb,
_orcc, _pshs, _pshu, _puls, _pulu, _rola, _rolb, _rol, _rora,
_rorb, _ror, _rti, _rts, _sbca, _sbcb, _sex, _sta, _stb,
_std, _sts, _stu, _stx, _sty, _suba, _subb, _subd, _swi,
_swi2, _swi3, _sync, _tfr, _tsta, _tstb, _tst, _reset,
/* 6309 extra opcodes */
_aim, _eim, _oim, _tim, _band, _biand,_bor, _bior, _beor,
_bieor,_ldbt, _stbt, _tfm, _adcd, _adcr, _adde, _addf, _addw,
_addr, _andd, _andr, _asld, _asrd, _bitd, _bitmd,_clrd, _clre,
_clrf, _clrw, _cmpe, _cmpf, _cmpw, _cmpr, _comd, _come, _comf,
_comw, _decd, _dece, _decf, _decw, _divd, _divq, _eord, _eorr,
_incd, _ince, _incf, _incw, _lde, _ldf, _ldq, _ldw, _ldmd,
_lsrd, _lsrw, _muld, _negd, _ord, _orr, _pshsw,_pshuw,_pulsw,
_puluw,_rold, _rolw, _rord, _rorw, _sbcd, _sbcr, _sexw, _ste,
_stf, _stq, _stw, _sube, _subf, _subw, _subr, _tstd, _tste,
_tstf, _tstw
};
char *mne[] = {
"???", "ABX", "ADCA", "ADCB", "ADDA", "ADDB", "ADDD", "ANDA", "ANDB",
"ANDCC","ASLA", "ASLB", "ASL", "ASRA", "ASRB", "ASR", "BCC", "LBCC",
"BCS", "LBCS", "BEQ", "LBEQ", "BGE", "LBGE", "BGT", "LBGT", "BHI",
"LBHI", "BITA", "BITB", "BLE", "LBLE", "BLS", "LBLS", "BLT", "LBLT",
"BMI", "LBMI", "BNE", "LBNE", "BPL", "LBPL", "BRA", "LBRA", "BRN",
"LBRN", "BSR", "LBSR", "BVC", "LBVC", "BVS", "LBVS", "CLRA", "CLRB",
"CLR", "CMPA", "CMPB", "CMPD", "CMPS", "CMPU", "CMPX", "CMPY", "COMA",
"COMB", "COM", "CWAI", "DAA", "DECA", "DECB", "DEC", "EORA", "EORB",
"EXG", "INCA", "INCB", "INC", "JMP", "JSR", "LDA", "LDB", "LDD",
"LDS", "LDU", "LDX", "LDY", "LEAS", "LEAU", "LEAX", "LEAY", "LSRA",
"LSRB", "LSR", "MUL", "NEGA", "NEGB", "NEG", "NOP", "ORA", "ORB",
"ORCC", "PSHS", "PSHU", "PULS", "PULU", "ROLA", "ROLB", "ROL", "RORA",
"RORB", "ROR", "RTI", "RTS", "SBCA", "SBCB", "SEX", "STA", "STB",
"STD", "STS", "STU", "STX", "STY", "SUBA", "SUBB", "SUBD", "SWI",
"SWI2", "SWI3", "SYNC", "TFR", "TSTA", "TSTB", "TST", "RESET",
/* 6309 EXTRA OPCODES */
"AIM", "EIM", "OIM", "TIM", "BAND", "BIAND","BOR", "BIOR", "BEOR",
"BIEOR","LDBT", "STBT", "TFM", "ADCD", "ADCR", "ADDE", "ADDF", "ADDW",
"ADDR", "ANDD", "ANDR", "ASLD", "ASRD", "BITD", "BITMD","CLRD", "CLRE",
"CLRF", "CLRW", "CMPE", "CMPF", "CMPW", "CMPR", "COMD", "COME", "COMF",
"COMW", "DECD", "DECE", "DECF", "DECW", "DIVD", "DIVQ", "EORD", "EORR",
"INCD", "INCE", "INCF", "INCW", "LDE", "LDF", "LDQ", "LDW", "LDMD",
"LSRD", "LSRW", "MULD", "NEGD", "ORD", "ORR", "PSHSW","PSHUW","PULSW",
"PULUW","ROLD", "ROLW", "RORD", "RORW", "SBCD", "SBCR", "SEXW", "STE",
"STF", "STQ", "STW", "SUBE", "SUBF", "SUBW", "SUBR", "TSTD", "TSTE",
"TSTF", "TSTW"
};
char *os9_codes[0x100] = {
"F$Link", "F$Load", "F$UnLink", "F$Fork",
"F$Wait", "F$Chain", "F$Exit", "F$Mem",
"F$Send", "F$Icpt", "F$Sleep", "F$SSpd",
"F$ID", "F$SPrior", "F$SSWI", "F$Perr",
"F$PrsNam", "F$CmpNam", "F$SchBit", "F$AllBit",
"F$DelBit", "F$Time", "F$STime", "F$CRC",
"F$GPrDsc", "F$GBlkMp", "F$GModDr", "F$CpyMem",
"F$SUser", "F$UnLoad", "F$Alarm", "F$",
"F$", "F$NMLink", "F$NMLoad", "F$Ctime",
"F$Cstime", "F$CTswi2", "F$", "F$VIRQ",
"F$SRqMem", "F$SRtMem", "F$IRQ", "F$IOQu",
"F$AProc", "F$NProc", "F$VModul", "F$Find64",
"F$All64", "F$Ret64", "F$SSvc", "F$IODel",
"F$SLink", "F$Boot", "F$BtMem", "F$GProcP",
"F$Move", "F$AllRAM", "F$AllImg", "F$DelImg",
"F$SetImg", "F$FreeLB", "F$FreeHB", "F$AllTsk",
"F$DelTsk", "F$SetTsk", "F$ResTsk", "F$RelTsk",
"F$DATLog", "F$DATTmp", "F$LDAXY", "F$LDAXYP",
"F$LDDDXY", "F$LDABX", "F$STABX", "F$AllPrc",
"F$DelPrc", "F$ELink", "F$FModul", "F$MapBlk",
"F$ClrBlk", "F$DelRAM", "F$GCMDir", "F$AlHRam",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"I$Attach", "I$Detach", "I$Dup", "I$Create",
"I$Open", "I$MakDir", "I$Chgdir", "I$Delete",
"I$Seek", "I$Read", "I$Write", "I$ReadLn",
"I$WritLn", "I$GetStt", "I$SetStt", "I$Close",
"I$DeletX", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$",
"F$", "F$", "F$", "F$"
};
static byte h6309_codes[512] = {
_neg ,_dir, _oim ,_bd , _aim ,_bd , _com ,_dir,
_lsr ,_dir, _eim ,_bd , _ror ,_dir, _asr ,_dir,
_asl ,_dir, _rol ,_dir, _dec ,_dir, _tim ,_bd ,
_inc ,_dir, _tst ,_dir, _jmp ,_dir, _clr ,_dir,
_ill ,_nom, _ill ,_nom, _nop ,_imp, _sync ,_imp,
_sexw ,_imp, _ill ,_nom, _lbra ,_rew, _lbsr ,_rew,
_ill ,_nom, _daa ,_imp, _orcc ,_imb, _ill ,_nom,
_andcc,_imb, _sex ,_imp, _exg ,_r1 , _tfr ,_r1 ,
_bra ,_reb, _brn ,_reb, _bhi ,_reb, _bls ,_reb,
_bcc ,_reb, _bcs ,_reb, _bne ,_reb, _beq ,_reb,
_bvc ,_reb, _bvs ,_reb, _bpl ,_reb, _bmi ,_reb,
_bge ,_reb, _blt ,_reb, _bgt ,_reb, _ble ,_reb,
_leax ,_ind, _leay ,_ind, _leas ,_ind, _leau ,_ind,
_pshs ,_r2 , _puls ,_r2 , _pshu ,_r3 , _pulu ,_r3 ,
_ill ,_nom, _rts ,_imp, _abx ,_imp, _rti ,_imp,
_cwai ,_imb, _mul ,_imp, _reset,_imp, _swi ,_imp,
_nega ,_imp, _ill ,_nom, _ill ,_nom, _coma ,_imp,
_lsra ,_imp, _ill ,_nom, _rora ,_imp, _asra ,_imp,
_asla ,_imp, _rola ,_imp, _deca ,_imp, _ill ,_nom,
_inca ,_imp, _tsta ,_imp, _ill ,_nom, _clra ,_imp,
_negb ,_imp, _ill ,_nom, _ill ,_nom, _comb ,_imp,
_lsrb ,_imp, _ill ,_nom, _rorb ,_imp, _asrb ,_imp,
_aslb ,_imp, _rolb ,_imp, _decb ,_imp, _ill ,_nom,
_incb ,_imp, _tstb ,_imp, _ill ,_nom, _clrb ,_imp,
_neg ,_ind, _oim ,_bi , _aim ,_bi , _com ,_ind,
_lsr ,_ind, _eim ,_bi , _ror ,_ind, _asr ,_ind,
_asl ,_ind, _rol ,_ind, _dec ,_ind, _tim ,_bi ,
_inc ,_ind, _tst ,_ind, _jmp ,_ind, _clr ,_ind,
_neg ,_ext, _oim ,_be , _aim ,_be , _com ,_ext,
_lsr ,_ext, _eim ,_be , _ror ,_ext, _asr ,_ext,
_asl ,_ext, _rol ,_ext, _dec ,_ext, _tim ,_be ,
_inc ,_ext, _tst ,_ext, _jmp ,_ext, _clr ,_ext,
_suba ,_imb, _cmpa ,_imb, _sbca ,_imb, _subd ,_imw,
_anda ,_imb, _bita ,_imb, _lda ,_imb, _ill ,_nom,
_eora ,_imb, _adca ,_imb, _ora ,_imb, _adda ,_imb,
_cmpx ,_imw, _bsr ,_reb, _ldx ,_imw, _ill ,_nom,
_suba ,_dir, _cmpa ,_dir, _sbca ,_dir, _subd ,_dir,
_anda ,_dir, _bita ,_dir, _lda ,_dir, _sta ,_dir,
_eora ,_dir, _adca ,_dir, _ora ,_dir, _adda ,_dir,
_cmpx ,_dir, _jsr ,_dir, _ldx ,_dir, _stx ,_dir,
_suba ,_ind, _cmpa ,_ind, _sbca ,_ind, _subd ,_ind,
_anda ,_ind, _bita ,_ind, _lda ,_ind, _sta ,_ind,
_eora ,_ind, _adca ,_ind, _ora ,_ind, _adda ,_ind,
_cmpx ,_ind, _jsr ,_ind, _ldx ,_ind, _stx ,_ind,
_suba ,_ext, _cmpa ,_ext, _sbca ,_ext, _subd ,_ext,
_anda ,_ext, _bita ,_ext, _lda ,_ext, _sta ,_ext,
_eora ,_ext, _adca ,_ext, _ora ,_ext, _adda ,_ext,
_cmpx ,_ext, _jsr ,_ext, _ldx ,_ext, _stx ,_ext,
_subb ,_imb, _cmpb ,_imb, _sbcb ,_imb, _addd ,_imw,
_andb ,_imb, _bitb ,_imb, _ldb ,_imb, _ill ,_nom,
_eorb ,_imb, _adcb ,_imb, _orb ,_imb, _addb ,_imb,
_ldd ,_imw, _ldq ,_iml, _ldu ,_imw, _ill ,_nom,
_subb ,_dir, _cmpb ,_dir, _sbcb ,_dir, _addd ,_dir,
_andb ,_dir, _bitb ,_dir, _ldb ,_dir, _stb ,_dir,
_eorb ,_dir, _adcb ,_dir, _orb ,_dir, _addb ,_dir,
_ldd ,_dir, _std ,_dir, _ldu ,_dir, _stu ,_dir,
_subb ,_ind, _cmpb ,_ind, _sbcb ,_ind, _addd ,_ind,
_andb ,_ind, _bitb ,_ind, _ldb ,_ind, _stb ,_ind,
_eorb ,_ind, _adcb ,_ind, _orb ,_ind, _addb ,_ind,
_ldd ,_ind, _std ,_ind, _ldu ,_ind, _stu ,_ind,
_subb ,_ext, _cmpb ,_ext, _sbcb ,_ext, _addd ,_ext,
_andb ,_ext, _bitb ,_ext, _ldb ,_ext, _stb ,_ext,
_eorb ,_ext, _adcb ,_ext, _orb ,_ext, _addb ,_ext,
_ldd ,_ext, _std ,_ext, _ldu ,_ext, _stu ,_ext,
};
static byte m6809_codes[512] = {
_neg ,_dir, _ill ,_nom, _ill ,_nom, _com ,_dir,
_lsr ,_dir, _ill ,_nom, _ror ,_dir, _asr ,_dir,
_asl ,_dir, _rol ,_dir, _dec ,_dir, _ill ,_nom,
_inc ,_dir, _tst ,_dir, _jmp ,_dir, _clr ,_dir,
_ill ,_nom, _ill ,_nom, _nop ,_imp, _sync ,_imp,
_ill ,_nom, _ill ,_nom, _lbra ,_rew, _lbsr ,_rew,
_ill ,_nom, _daa ,_imp, _orcc ,_imb, _ill ,_nom,
_andcc,_imb, _sex ,_imp, _exg ,_r1 , _tfr ,_r1 ,
_bra ,_reb, _brn ,_reb, _bhi ,_reb, _bls ,_reb,
_bcc ,_reb, _bcs ,_reb, _bne ,_reb, _beq ,_reb,
_bvc ,_reb, _bvs ,_reb, _bpl ,_reb, _bmi ,_reb,
_bge ,_reb, _blt ,_reb, _bgt ,_reb, _ble ,_reb,
_leax ,_ind, _leay ,_ind, _leas ,_ind, _leau ,_ind,
_pshs ,_r2 , _puls ,_r2 , _pshu ,_r3 , _pulu ,_r3 ,
_ill ,_nom, _rts ,_imp, _abx ,_imp, _rti ,_imp,
_cwai ,_imb, _mul ,_imp, _reset,_imp, _swi ,_imp,
_nega ,_imp, _ill ,_nom, _ill ,_nom, _coma ,_imp,
_lsra ,_imp, _ill ,_nom, _rora ,_imp, _asra ,_imp,
_asla ,_imp, _rola ,_imp, _deca ,_imp, _ill ,_nom,
_inca ,_imp, _tsta ,_imp, _ill ,_nom, _clra ,_imp,
_negb ,_imp, _ill ,_nom, _ill ,_nom, _comb ,_imp,
_lsrb ,_imp, _ill ,_nom, _rorb ,_imp, _asrb ,_imp,
_aslb ,_imp, _rolb ,_imp, _decb ,_imp, _ill ,_nom,
_incb ,_imp, _tstb ,_imp, _ill ,_nom, _clrb ,_imp,
_neg ,_ind, _ill ,_nom, _ill ,_nom, _com ,_ind,
_lsr ,_ind, _ill ,_nom, _ror ,_ind, _asr ,_ind,
_asl ,_ind, _rol ,_ind, _dec ,_ind, _ill ,_nom,
_inc ,_ind, _tst ,_ind, _jmp ,_ind, _clr ,_ind,
_neg ,_ext, _ill ,_nom, _ill ,_nom, _com ,_ext,
_lsr ,_ext, _ill ,_nom, _ror ,_ext, _asr ,_ext,
_asl ,_ext, _rol ,_ext, _dec ,_ext, _ill ,_nom,
_inc ,_ext, _tst ,_ext, _jmp ,_ext, _clr ,_ext,
_suba ,_imb, _cmpa ,_imb, _sbca ,_imb, _subd ,_imw,
_anda ,_imb, _bita ,_imb, _lda ,_imb, _ill ,_nom,
_eora ,_imb, _adca ,_imb, _ora ,_imb, _adda ,_imb,
_cmpx ,_imw, _bsr ,_reb, _ldx ,_imw, _ill ,_nom,
_suba ,_dir, _cmpa ,_dir, _sbca ,_dir, _subd ,_dir,
_anda ,_dir, _bita ,_dir, _lda ,_dir, _sta ,_dir,
_eora ,_dir, _adca ,_dir, _ora ,_dir, _adda ,_dir,
_cmpx ,_dir, _jsr ,_dir, _ldx ,_dir, _stx ,_dir,
_suba ,_ind, _cmpa ,_ind, _sbca ,_ind, _subd ,_ind,
_anda ,_ind, _bita ,_ind, _lda ,_ind, _sta ,_ind,
_eora ,_ind, _adca ,_ind, _ora ,_ind, _adda ,_ind,
_cmpx ,_ind, _jsr ,_ind, _ldx ,_ind, _stx ,_ind,
_suba ,_ext, _cmpa ,_ext, _sbca ,_ext, _subd ,_ext,
_anda ,_ext, _bita ,_ext, _lda ,_ext, _sta ,_ext,
_eora ,_ext, _adca ,_ext, _ora ,_ext, _adda ,_ext,
_cmpx ,_ext, _jsr ,_ext, _ldx ,_ext, _stx ,_ext,
_subb ,_imb, _cmpb ,_imb, _sbcb ,_imb, _addd ,_imw,
_andb ,_imb, _bitb ,_imb, _ldb ,_imb, _ill ,_nom,
_eorb ,_imb, _adcb ,_imb, _orb ,_imb, _addb ,_imb,
_ldd ,_imw, _ill ,_nom, _ldu ,_imw, _ill ,_nom,
_subb ,_dir, _cmpb ,_dir, _sbcb ,_dir, _addd ,_dir,
_andb ,_dir, _bitb ,_dir, _ldb ,_dir, _stb ,_dir,
_eorb ,_dir, _adcb ,_dir, _orb ,_dir, _addb ,_dir,
_ldd ,_dir, _std ,_dir, _ldu ,_dir, _stu ,_dir,
_subb ,_ind, _cmpb ,_ind, _sbcb ,_ind, _addd ,_ind,
_andb ,_ind, _bitb ,_ind, _ldb ,_ind, _stb ,_ind,
_eorb ,_ind, _adcb ,_ind, _orb ,_ind, _addb ,_ind,
_ldd ,_ind, _std ,_ind, _ldu ,_ind, _stu ,_ind,
_subb ,_ext, _cmpb ,_ext, _sbcb ,_ext, _addd ,_ext,
_andb ,_ext, _bitb ,_ext, _ldb ,_ext, _stb ,_ext,
_eorb ,_ext, _adcb ,_ext, _orb ,_ext, _addb ,_ext,
_ldd ,_ext, _std ,_ext, _ldu ,_ext, _stu ,_ext,
};
static byte h6309_codes10[512] = {
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _lbrn ,_rew, _lbhi ,_rew, _lbls ,_rew,
_lbcc ,_rew, _lbcs ,_rew, _lbne ,_rew, _lbeq ,_rew,
_lbvc ,_rew, _lbvs ,_rew, _lbpl ,_rew, _lbmi ,_rew,
_lbge ,_rew, _lblt ,_rew, _lbgt ,_rew, _lble ,_rew,
_addr ,_r1 , _adcr ,_r1 , _subr ,_r1 , _sbcr ,_r1 ,
_andr ,_r1 , _orr ,_r1 , _eorr ,_r1 , _cmpr ,_r1 ,
_pshsw,_imp, _pulsw,_imp, _pshuw,_imp, _puluw,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _swi2 ,_imp,
_negd ,_imp, _ill ,_nom, _ill ,_nom, _comd ,_imp,
_lsrd ,_imp, _ill ,_nom, _rord ,_imp, _asrd ,_imp,
_asld ,_imp, _rold ,_imp, _decd ,_imp, _ill ,_nom,
_incd ,_imp, _tstd ,_imp, _ill ,_nom, _clrd ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _comw ,_imp,
_lsrw ,_imp, _ill ,_nom, _rorw ,_imp, _ill ,_nom,
_ill ,_nom, _rolw ,_imp, _decw ,_imp, _ill ,_nom,
_incw ,_imp, _tstw ,_imp, _ill ,_nom, _clrw ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_subw ,_imw, _cmpw ,_imw, _sbcd ,_imw, _cmpd ,_imw,
_andd ,_imw, _bitd ,_imw, _ldw ,_imw, _ill ,_nom,
_eord ,_imw, _adcd ,_imw, _ord ,_imw, _addw ,_imw,
_cmpy ,_imw, _ill ,_nom, _ldy ,_imw, _ill ,_nom,
_subw ,_dir, _cmpw ,_dir, _sbcd ,_dir, _cmpd ,_dir,
_andd ,_dir, _bitd ,_dir, _ldw ,_dir, _stw ,_dir,
_eord ,_dir, _adcd ,_dir, _ord ,_dir, _addw ,_dir,
_cmpy ,_dir, _ill ,_nom, _ldy ,_dir, _sty ,_dir,
_subw ,_ind, _cmpw ,_ind, _sbcd ,_ind, _cmpd ,_ind,
_andd ,_ind, _bitd ,_ind, _ldw ,_ind, _stw ,_ind,
_eord ,_ind, _adcd ,_ind, _ord ,_ind, _addw ,_ind,
_cmpy ,_ind, _ill ,_nom, _ldy ,_ind, _sty ,_ind,
_subw ,_ext, _cmpw ,_ext, _sbcd ,_ext, _cmpd ,_ext,
_andd ,_ext, _bitd ,_ext, _ldw ,_ext, _stw ,_ext,
_eord ,_ext, _adcd ,_ext, _ord ,_ext, _addw ,_ext,
_cmpy ,_ext, _ill ,_nom, _ldy ,_ext, _sty ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _lds ,_imw, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ldq ,_dir, _stq ,_dir, _lds ,_dir, _sts ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ldq ,_ind, _stq ,_ind, _lds ,_ind, _sts ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ldq ,_ext, _stq ,_ext, _lds ,_ext, _sts ,_ext,
};
static byte m6809_codes10[512] = {
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _lbrn ,_rew, _lbhi ,_rew, _lbls ,_rew,
_lbcc ,_rew, _lbcs ,_rew, _lbne ,_rew, _lbeq ,_rew,
_lbvc ,_rew, _lbvs ,_rew, _lbpl ,_rew, _lbmi ,_rew,
_lbge ,_rew, _lblt ,_rew, _lbgt ,_rew, _lble ,_rew,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _swi2 ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpd ,_imw,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmpy ,_imw, _ill ,_nom, _ldy ,_imw, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpd ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmpy ,_dir, _ill ,_nom, _ldy ,_dir, _sty ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpd ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmpy ,_ind, _ill ,_nom, _ldy ,_ind, _sty ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpd ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmpy ,_ext, _ill ,_nom, _ldy ,_ext, _sty ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _lds ,_imw, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _lds ,_dir, _sts ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _lds ,_ind, _sts ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _lds ,_ext, _sts ,_ext,
};
static byte h6309_codes11[512] = {
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_band ,_bt , _biand,_bt , _bor ,_bt , _bior ,_bt ,
_beor ,_bt , _bieor,_bt , _ldbt ,_bt , _stbt ,_bt ,
_tfm ,_t1 , _tfm ,_t2 , _tfm ,_t3 , _tfm ,_t4 ,
_bitmd,_imb, _ldmd ,_imb, _ill ,_nom, _swi3 ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _come ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _dece ,_imp, _ill ,_nom,
_ince ,_imp, _tste ,_imp, _ill ,_nom, _clre ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _comf ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _decf ,_imp, _ill ,_nom,
_incf ,_imp, _tstf ,_imp, _ill ,_nom, _clrf ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_sube ,_imb, _cmpe ,_imb, _ill ,_nom, _cmpu ,_imw,
_ill ,_nom, _ill ,_nom, _lde ,_imb, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _adde ,_imb,
_cmps ,_imw, _divd ,_imb, _divq ,_imw, _muld ,_imw,
_sube ,_dir, _cmpe ,_dir, _ill ,_nom, _cmpu ,_dir,
_ill ,_nom, _ill ,_nom, _lde ,_dir, _ste ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _adde ,_dir,
_cmps ,_dir, _divd ,_dir, _divq ,_dir, _muld ,_dir,
_sube ,_ind, _cmpe ,_ind, _ill ,_nom, _cmpu ,_ind,
_ill ,_nom, _ill ,_nom, _lde ,_ind, _ste ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _adde ,_ind,
_cmps ,_ind, _divd ,_ind, _divq ,_ind, _muld ,_ind,
_sube ,_ext, _cmpe ,_ext, _ill ,_nom, _cmpu ,_ext,
_ill ,_nom, _ill ,_nom, _lde ,_ext, _ste ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _adde ,_ext,
_cmps ,_ext, _divd ,_ext, _divq ,_ext, _muld ,_ext,
_subf ,_imb, _cmpf ,_imb, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ldf ,_imb, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _addf ,_imb,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_subf ,_dir, _cmpf ,_dir, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ldf ,_dir, _stf ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _addf ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_subf ,_ind, _cmpf ,_ind, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ldf ,_ind, _stf ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _addf ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_subf ,_ext, _cmpf ,_ext, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ldf ,_ext, _stf ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _addf ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
};
static byte m6809_codes11[512] = {
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _swi3 ,_imp,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpu ,_imw,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmps ,_imw, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpu ,_dir,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmps ,_dir, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpu ,_ind,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmps ,_ind, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _cmpu ,_ext,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_cmps ,_ext, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
_ill ,_nom, _ill ,_nom, _ill ,_nom, _ill ,_nom,
};
static char *h6309_exg_tfr[] =
{
"D", "X", "Y", "U", "S", "PC","W" ,"V",
"A", "B", "CC","DP","0", "0", "E", "F"
};
static char *m6809_exg_tfr[] =
{
"D", "X", "Y", "U", "S", "PC","??","??",
"A", "B", "CC","DP","??","??","??","??"
};
static char *bit_r[] = {"CC","A","B","??"};
static char *block_r[] =
{
"D","X","Y","U","S","?","?","?","?","?","?","?","?","?","?","?"
};
static char *off4[] =
{
"0", "1", "2", "3", "4", "5", "6", "7",
"8", "9", "10", "11", "12", "13", "14", "15",
"-16","-15","-14","-13","-12","-11","-10", "-9",
"-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1"
};
static char reg[] = { 'X','Y','U','S' };
static byte *codes = m6809_codes;
static byte *codes10 = m6809_codes10;
static byte *codes11 = m6809_codes11;
static char **exg_tfr = m6809_exg_tfr;
static int allow_6309_codes = FALSE;
static int os9_patch = FALSE;
static unsigned index_string(char *buffer, unsigned pc)
{
byte T;
word W;
char R;
char buf[30];
unsigned PC = pc;
T = ARGBYTE(PC); PC++;
R = reg[(T>>5)&0x03];
if(T&0x80)
{
switch(T&0x1F)
{
case 0x00: sprintf(buf,",%c+",R);break;
case 0x01: sprintf(buf,",%c++",R);break;
case 0x02: sprintf(buf,",-%c",R);break;
case 0x03: sprintf(buf,",--%c",R);break;
case 0x04: sprintf(buf,",%c",R);break;
case 0x05: sprintf(buf,"B,%c",R);break;
case 0x06: sprintf(buf,"A,%c",R);break;
case 0x08: T = ARGBYTE(PC); PC++;
sprintf(buf,"$%02X,%c",T,R);
break;
case 0x09: W = ARGWORD(PC); PC+=2;
sprintf(buf,"$%04X,%c",W,R);
break;
case 0x0B: sprintf(buf,"D,%c",R);break;
case 0x0C: T = ARGBYTE(PC); PC++;
sprintf(buf,"$%02X,PC",T);
break;
case 0x0D: W = ARGWORD(PC); PC+=2;
sprintf(buf,"$%04X,PC",W);
break;
case 0x11: sprintf(buf,"[,%c++]",R);break;
case 0x13: sprintf(buf,"[,--%c]",R);break;
case 0x14: sprintf(buf,"[,%c]",R);break;
case 0x15: sprintf(buf,"[B,%c]",R);break;
case 0x16: sprintf(buf,"[A,%c]",R);break;
case 0x18: T = ARGBYTE(PC); PC++;
sprintf(buf,"[$%02X,%c]",T,R);
break;
case 0x19: W = ARGWORD(PC); PC+=2;
sprintf(buf,"[$%04X,%c]",W,R);
break;
case 0x1B: sprintf(buf,"[D,%c]",R);break;
case 0x1C: T = ARGBYTE(PC); PC++;
sprintf(buf,"[$%02X,PC]",T);
break;
case 0x1D: W = ARGWORD(PC); PC+=2;
sprintf(buf,"[$%04X,PC]",W);
break;
case 0x07: if(allow_6309_codes)
{
sprintf(buf,"E,%c",R);
break;
} else goto index_error;
case 0x17: if(allow_6309_codes)
{
sprintf(buf,"[E,%c]",R);
break;
} else goto index_error;
case 0x0A: if(allow_6309_codes)
{
sprintf(buf,"F,%c",R);
break;
} else goto index_error;
case 0x1A: if(allow_6309_codes)
{
sprintf(buf,"[F,%c]",R);
break;
} else goto index_error;
case 0x0E: if(allow_6309_codes)
{
sprintf(buf,"W,%c",R);
break;
} else goto index_error;
case 0x1E: if(allow_6309_codes)
{
sprintf(buf,"[W,%c]",R);
break;
} else goto index_error;
index_error: sprintf(buf,"???"); break;
default: if(T==0x9F)
{
W = ARGWORD(PC); PC+=2;
sprintf(buf,"[$%04X]",W);
}
else if(allow_6309_codes)
{
switch(T)
{
case 0x8F: sprintf(buf,",W");break;
case 0x90: sprintf(buf,"[,W]");break;
case 0xAF: W = ARGWORD(PC); PC+=2;
sprintf(buf,"$%04X,W",W);break;
case 0xB0: W = ARGWORD(PC); PC+=2;
sprintf(buf,"[$%04X,W]",W);break;
case 0xCF: sprintf(buf,",W++");break;
case 0xD0: sprintf(buf,"[,W++]");break;
case 0xEF: sprintf(buf,",--W");break;
case 0xF0: sprintf(buf,"[,--W]");break;
default: sprintf(buf,"???"); break;
}
}
else sprintf(buf,"???");
break;
}
} else sprintf(buf,"%s,%c",off4[T&0x1F],R);
strcat(buffer,buf);
return(PC);
}
unsigned Dasm(char *buffer, unsigned pc)
{
byte T,M;
word W;
char *I;
char buf[30];
unsigned PC = pc;
T = OPCODE(PC); PC++;
if(T==0x10)
{
T = OPCODE(PC); PC++;
W = (word)(T*2);
T = codes10[W++];
I = (char *)mne[T];
M = codes10[W];
if( (T==_swi2) && (os9_patch==TRUE) )
{
T = OPCODE(PC); PC++;
sprintf(buffer,"OS9 %s",os9_codes[T]);
return(PC-pc);
}
}
else if(T==0x11)
{
T = OPCODE(PC); PC++;
W = (word)(T*2);
T = codes11[W++];
I = (char *)mne[T];
M = codes11[W];
}
else
{
W = (word)(T*2);
T = codes[W++];
I = (char *)mne[T];
M = codes[W];
}
switch(M)
{
case _nom: sprintf(buffer,"Invalid");break;
case _imp: sprintf(buffer,"%s", I);break;
case _imb: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s #$%02X", I, T);
break;
case _imw: W = ARGWORD(PC); PC+=2;
sprintf(buffer,"%s #$%04X",I,W);
break;
case _dir: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s <$%02X",I,T);
break;
case _ext: W = ARGWORD(PC); PC+=2;
sprintf(buffer,"%s $%04X",I,W);
break;
case _ind: sprintf(buffer,"%s ",I);
PC = index_string(buffer,PC);
break;
case _reb: T = ARGBYTE(PC); PC++;
W = (word)(PC + (signed char)T);
sprintf(buffer,"%s $%04X",I,W);
break;
case _rew: W = ARGWORD(PC); PC+=2;
W += (word)PC;
sprintf(buffer,"%s $%04X",I,W);
break;
case _r1: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s %s,%s",I,exg_tfr[T>>4],exg_tfr[T&0xF]);
break;
case _r2:
case _r3: buf[0] = '\0';
T = ARGBYTE(PC); PC++;
if(T&0x80) strcat(buf,"PC,");
if(T&0x40)
{
if(M==_r2) strcat(buf,"U,");
if(M==_r3) strcat(buf,"S,");
}
if(T&0x20) strcat(buf,"Y,");
if(T&0x10) strcat(buf,"X,");
if(T&0x08) strcat(buf,"DP,");
if(T&0x04) strcat(buf,"B,");
if(T&0x02) strcat(buf,"A,");
if(T&0x01) strcat(buf,"CC,");
if(buf[0]!='\0') buf[strlen(buf)-1]='\0';
sprintf(buffer,"%s %s",I,buf);
break;
case _bd: M = ARGBYTE(PC); PC++;
T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s #$%02X,<$%02X",I,M,T);
break;
case _be: T = ARGBYTE(PC); PC++;
W = ARGWORD(PC); PC+=2;
sprintf(buffer,"%s #$%02X,$%04X",I,T,W);
break;
case _bt: M = ARGBYTE(PC); PC++;
T = ARGBYTE(PC); PC++;
#if 1
sprintf(buffer,"%s %s.%01d,<$%02X.%01d",
I,bit_r[M>>6],M&7,T,(M>>3)&7);
#else
sprintf(buffer,"%s %s,%01d,%01d,$%02X",
I,bit_r[M>>6],(M>>3)&7,M&7,T);
#endif
break;
case _t1: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s %s+,%s+",I,block_r[T>>4],block_r[T&0xF]);
break;
case _t2: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s %s-,%s-",I,block_r[T>>4],block_r[T&0xF]);
break;
case _t3: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s %s+,%s",I,block_r[T>>4],block_r[T&0xF]);
break;
case _t4: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s %s,%s+",I,block_r[T>>4],block_r[T&0xF]);
break;
case _iml: W = ARGWORD(PC); PC+=2;
T = ARGBYTE(PC); PC++;
M = ARGBYTE(PC); PC++;
sprintf(buffer,"%s #$%04X%02X%02X",I,W,T,M);
break;
case _bi: T = ARGBYTE(PC); PC++;
sprintf(buffer,"%s #$%02X,",I,T);
PC = index_string(buffer,PC);
break;
default: sprintf(buffer,"%s ERROR",I);
}
return(PC-pc);
}
unsigned d6809_disassemble(char *buffer, unsigned pc)
{
codes = m6809_codes;
codes10 = m6809_codes10;
codes11 = m6809_codes11;
exg_tfr = m6809_exg_tfr;
allow_6309_codes = FALSE;
return( Dasm(buffer, pc) );
}
unsigned d6309_disassemble(char *buffer, unsigned pc)
{
codes = h6309_codes;
codes10 = h6309_codes10;
codes11 = h6309_codes11;
exg_tfr = h6309_exg_tfr;
allow_6309_codes = TRUE;
return( Dasm(buffer, pc) );
}