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mame/src/emu/cpu/tms0980/tms0980d.c

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/*******************************************************************
tms0980d.c
TMS0980 disassembly
*******************************************************************/
#include "emu.h"
#include "debugger.h"
#include "tms0980.h"
#define _OVER DASMFLAG_STEP_OVER
#define _OUT DASMFLAG_STEP_OUT
enum e_mnemonics {
zA10AAC=0, zA6AAC, zA8AAC, zAC1AC, zACACC, zACNAA, zALEC, zALEM, zAMAAC, zBRANCH, zCALL, zCCLA,
zCLA, zCLO, zCOMC, zCOMX, zCOMX8, zCPAIZ, zCTMDYN, zDAN, zDMAN, zDMEA, zDNAA,
zDYN, zIA, zIMAC, zIYC, zKNE, zKNEZ, zLDP, zLDX, zLDX3, zLDX4, zMNEA, zMNEZ,
zNDMEA, zOFF, zRBIT, zREAC, zRETN, zRSTR, zSAL, zSAMAN, zSBIT,
zSBL, zSEAC, zSETR, zTAM, zTAMACS, zTAMDYN, zTAMIY, zTAMIYC, zTAMZA,
zTAY, zTBIT, zTCMIY, zTCY, zTDO, zTKA, zTKM, zTMA,
zTMY, zTYA, zXDA, zXMA, zYMCY, zYNEA, zYNEC,
zILL
};
enum e_addressing {
zB0=0, zB2, zI2, zI3, zI4, zB7
};
static const char *const s_mnemonic[] = {
"a10aac", "a6aac", "a8aac", "ac1ac", "acacc", "acnaa", "alec", "alem", "amaac", "branch", "call", "ccla",
"cla", "clo", "comc", "comx", "comx8", "cpaiz", "ctmdyn", "dan", "dman", "dmea", "dnaa",
"dyn", "ia", "imac", "iyc", "kne", "knez", "ldp", "ldx", "ldx", "ldx", "mnea", "mnez",
"ndmea", "off", "rbit", "reac", "retn", "rstr", "sal", "saman", "sbit",
"sbl", "seac", "setr", "tam", "tamacs", "tamdyn", "tamiy", "tamiyc", "tamza",
"tay", "tbit", "tcmiy", "tcy", "tdo", "tka", "tkm", "tma",
"tmy", "tya", "xda", "xma", "ymcy", "ynea", "ynec",
"illegal"
};
static const UINT32 s_flags[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, _OVER, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, _OUT, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0,
0
};
static const UINT8 s_addressing[] = {
zB0, zB0, zB0, zI4, zI4, zI4, zI4, zB0, zB0, zB7, zB7, zB0,
zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0,
zB0, zB0, zB0, zB0, zB0, zB0, zI4, zI2, zI3, zI4, zB0, zB0,
zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0, zB0,
zB0, zB0, zB0, zB0, zI4, zB0, zB0, zB0, zB2,
zB0, zB2, zI4, zI4, zB0, zB0, zB0, zB0,
zB0, zB0, zB0, zB0, zI4, zB0, zI4,
zB0
};
static const UINT8 tms0980_mnemonic[512] = {
/* 0x000 */
zCOMX, zALEM, zYNEA, zXMA, zDYN, zIYC, zCLA, zDMAN,
zTKA, zMNEA, zTKM, zILL, zILL, zSETR, zKNE, zILL,
/* 0x010 */
zDMEA, zDNAA, zCCLA, zNDMEA, zILL, zAMAAC, zILL, zILL,
zCTMDYN, zXDA, zILL, zILL, zILL, zILL, zILL, zILL,
/* 0x020 */
zTBIT, zTBIT, zTBIT, zTBIT, zILL, zILL, zILL, zILL,
zTAY, zTMA, zTMY, zTYA, zTAMDYN, zTAMIYC, zTAMZA, zTAM,
/* 0x030 */
zSAMAN, zCPAIZ, zIMAC, zMNEZ, zILL, zILL, zILL, zILL,
zTCY, zYNEC, zTCMIY, zACACC, zACNAA, zTAMACS, zALEC, zYMCY,
/* 0x040 */
zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY,
zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY,
/* 0x050 */
zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC,
zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC,
/* 0x060 */
zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY,
zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY,
/* 0x070 */
zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC,
zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC, zACACC,
/* 0x080 */
zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP,
zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP,
/* 0x090 */
zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4,
zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4, zLDX4,
/* 0x0A0 */
zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT,
zILL, zILL, zILL, zILL, zILL, zILL, zILL, zILL,
/* 0x0B0 */
zTDO, zSAL, zCOMX8, zSBL, zREAC, zSEAC, zOFF, zILL,
zILL, zILL, zILL, zILL, zILL, zILL, zILL, zRETN,
/* 0x0C0 */
zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA,
zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA, zACNAA,
/* 0x0D0 */
zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS,
zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS, zTAMACS,
/* 0x0E0 */
zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC,
zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC,
/* 0x0F0 */
zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY,
zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY, zYMCY,
/* 0x100 */
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
/* 0x180 */
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL
};
static const UINT8 tms1000_mnemonic[256] = {
/* 0x00 */
zCOMX, zA8AAC, zYNEA, zTAM, zTAMZA, zA10AAC, zA6AAC, zDAN,
zTKA, zKNEZ, zTDO, zCLO, zRSTR, zSETR, zIA, zRETN,
zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP,
zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP,
zTAMIY, zTMA, zTMY, zTYA, zTAY, zAMAAC, zMNEZ, zSAMAN,
zIMAC, zALEM, zDMAN, zIYC, zDYN, zCPAIZ, zXMA, zCLA,
zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT,
zTBIT, zTBIT, zTBIT, zTBIT, zLDX, zLDX, zLDX, zLDX,
/* 0x40 */
zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY,
zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY,
zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC,
zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC,
zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY,
zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY,
zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC,
zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC, zALEC,
/* 0x80 */
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
/* 0xc0 */
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL
};
static const UINT8 tms1100_mnemonic[256] = {
/* 0x00 */
zMNEA, zALEM, zYNEA, zXMA, zDYN, zIYC, zAMAAC, zDMAN,
zTKA, zCOMX, zTDO, zCOMC, zRSTR, zSETR, zKNEZ, zRETN,
zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP,
zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP, zLDP,
/* 0x20 */
zTAY, zTMA, zTMY, zTYA, zTAMDYN, zTAMIYC, zTAMZA, zTAM,
zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3, zLDX3,
zSBIT, zSBIT, zSBIT, zSBIT, zRBIT, zRBIT, zRBIT, zRBIT,
zTBIT, zTBIT, zTBIT, zTBIT, zSAMAN, zCPAIZ, zIMAC, zMNEZ,
/* 0x40 */
zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY,
zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY, zTCY,
zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC,
zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC, zYNEC,
/* 0x60 */
zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY,
zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY, zTCMIY,
zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC,
zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zAC1AC, zCLA,
/* 0x80 */
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH, zBRANCH,
/* 0xC0 */
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL, zCALL,
};
static const UINT8 tms0980_i2_value[4] =
{
0x00, 0x02, 0x01, 0x03
};
static const UINT8 tms0980_i3_value[8] =
{
0x00, 0x04, 0x02, 0x06, 0x01, 0x05, 0x03, 0x07
};
static const UINT8 tms0980_i4_value[16] =
{
0x00, 0x08, 0x04, 0x0C, 0x02, 0x0A, 0x06, 0x0E, 0x01, 0x09, 0x05, 0x0D, 0x03, 0x0B, 0x07, 0x0F
};
static const UINT8 tms0980_bit_value[4] = { 1, 4, 2, 8 };
CPU_DISASSEMBLE( tms0980 ) {
char *dst = buffer;
UINT16 op, instr;
int pos = 0;
op = ( ( oprom[pos] << 8 ) | oprom[pos + 1] ) & 0x01FF;
pos += 2;
instr = tms0980_mnemonic[op];
dst += sprintf( dst, "%-8s ", s_mnemonic[instr] );
switch( s_addressing[instr] ) {
case zB0:
break;
case zB2:
dst += sprintf( dst, "#$%d", tms0980_bit_value[ op & 3 ] );
break;
case zI2:
dst += sprintf( dst, "#$%01X", tms0980_i2_value[ op & 0x03 ] );
break;
case zI4:
dst += sprintf( dst, "#$%01X", tms0980_i4_value[ op & 0x0F ] );
break;
case zB7:
dst += sprintf( dst, "#$%02X", ( op & 0x7F ) << 1 );
break;
}
return pos | s_flags[instr] | DASMFLAG_SUPPORTED;
}
CPU_DISASSEMBLE( tms1000 ) {
char *dst = buffer;
UINT8 op, instr;
int pos = 0;
op = oprom[pos];
pos += 1;
instr = tms1000_mnemonic[op];
dst += sprintf( dst, "%-8s ", s_mnemonic[instr] );
switch( s_addressing[instr] ) {
case zB0:
break;
case zB2:
dst += sprintf( dst, "#$%d", tms0980_bit_value[ op & 3 ] );
break;
case zI2:
dst += sprintf( dst, "#$%01X", tms0980_i2_value[ op & 0x03 ] );
break;
case zI4:
dst += sprintf( dst, "#$%01X", tms0980_i4_value[ op & 0x0F ] );
break;
case zB7:
dst += sprintf( dst, "#$%02X", ( op & 0x3F ) );
break;
}
return pos | s_flags[instr] | DASMFLAG_SUPPORTED;
}
CPU_DISASSEMBLE( tms1100 ) {
char *dst = buffer;
UINT8 op, instr;
int pos = 0;
op = oprom[pos];
pos += 1;
instr = tms1100_mnemonic[op];
dst += sprintf( dst, "%-8s ", s_mnemonic[instr] );
switch( s_addressing[instr] ) {
case zB0:
break;
case zB2:
dst += sprintf( dst, "#$%d", tms0980_bit_value[ op & 3 ] );
break;
case zI2:
dst += sprintf( dst, "#$%01X", tms0980_i2_value[ op & 0x03 ] );
break;
case zI3:
dst += sprintf( dst, "#$%01X", tms0980_i3_value[ op & 0x07 ] );
break;
case zI4:
dst += sprintf( dst, "#$%01X", tms0980_i4_value[ op & 0x0F ] );
break;
case zB7:
dst += sprintf( dst, "#$%02X", ( op & 0x3F ) );
break;
}
return pos | s_flags[instr] | DASMFLAG_SUPPORTED;
}
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