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qasm
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qasm/opcodes.cpp

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#include "asm.h"
#define CLASS T65816Asm
void CLASS::setOpcode(MerlinLine &line, uint8_t op)
{
if (pass > 0)
{
if (cpumode < MODE_65816) // instructions are valid if we are in 65816
{
uint8_t m = opCodeCompatibility[op];
if ((m > 0) && (cpumode < MODE_65C02)) // if the instruction is non-zero, and we are in 6502 base mode, error
{
if (line.errorcode == 0) // don't replace other errors
{
line.setError(errIncompatibleOpcode);
}
}
}
}
line.outbytes.push_back(op);
}
int CLASS::doPSEUDO(MerlinLine &line, TSymbol &sym)
{
return (0);
}
int CLASS::doXC(MerlinLine &line, TSymbol &sym)
{
std::string s;
int res = 0;
if (cpumode < 2)
{
cpumode++;
}
if (line.operand.length() > 0)
{
s = Poco::toUpper(line.operand);
if (s == "OFF")
{
mx = 0x03;
cpumode = MODE_6502;
}
}
return (res);
}
int CLASS::doMX(MerlinLine &line, TSymbol &sym)
{
mx = (uint8_t)(line.expr_value & 0xFF);
//printf("setting MX=%02X\n",mx);
return (0);
}
int CLASS::doEQU(MerlinLine &line, TSymbol &sym)
{
int res = 0;
if (pass == 0)
{
res = -1;
TSymbol *s;
if (line.lable.length() > 0)
{
//printf("EQU: |%s| %08X\n", line.lable.c_str(), line.expr_value);
s = addSymbol(line.lable, line.expr_value, true);
if (s != NULL)
{
res = 0;
}
}
}
return (res);
}
int CLASS::doUNK(MerlinLine &line, TSymbol &sym)
{
int res = -1;
res = 0;
if (pass > 0)
{
line.setError(errIncomplete);
//line.outbytes.push_back(0x00);
line.outbytect = res;
}
return (res);
}
int CLASS::doNoPattern(MerlinLine &line, TSymbol &sym)
{
// this handles a few opcodes that don't fit mathmatically in the opcode table
// the 'sym.opcode' table identifies what each is:
// STZ = 1
// TSB = 2
// TRB = 3
int res,i;
uint8_t err;
uint8_t op;
uint8_t m = line.addressmode;
res = 1;
op = 0x00;
err=errBadAddressMode;
switch (sym.opcode)
{
case 1: // STZ
res++;
op = (m == syn_abs ? 0x64 : op);
op = (m == syn_absx ? 0x74 : op);
if ((op != 0) && (line.expr_value >= 0x100))
{
res++;
op = (op == 0x64) ? 0x9C : op;
op = (op == 0x74) ? 0x9E : op;
}
break;
case 2: // TSB
res++;
op = (m == syn_abs ? 0x04 : op);
if ((op != 0) && (line.expr_value >= 0x100))
{
res++;
op = 0x0C;
}
break;
case 3: // TRB
res++;
op = (m == syn_abs ? 0x14 : op);
if ((op != 0) && (line.expr_value >= 0x100))
{
res++;
op = 0x1C;
}
break;
default:
op=0;
err=errBadOpcode;
break;
}
if (op == 0x00)
{
res = 0;
line.setError(err);
}
if ((pass > 0) && (res > 0))
{
setOpcode(line, op);
for (i = 0; i < (res - 1); i++)
{
line.outbytes.push_back(line.expr_value >> (8 * i));
}
line.outbytect = res;
}
return (res);
}
int CLASS::doAddress(MerlinLine &line, TSymbol &sym)
{
// this routine uses the 'opcode' specifed in the sym.opcode field.
// it also adds the number of bytes stored in the sym.stype field after doing an evaluation
int res, i;
res = 1 + sym.stype;
if (pass > 0)
{
//line.setError(errIncomplete);
setOpcode(line, sym.opcode);
for (i = 0; i < (res - 1); i++)
{
line.outbytes.push_back(line.expr_value >> (i * 8));
}
line.outbytect = res;
}
return (res);
}
int CLASS::doJMP(MerlinLine &line, TSymbol &sym)
{
int res, i;
bool err = false;
uint8_t op;
uint8_t optype = sym.opcode;
uint8_t m = line.addressmode;
res = 3;
op = 0;
if (optype & 0x02) // these are SUBROUTINES
{
op = (m == syn_abs ? 0x20 : op);
op = (m == syn_diix ? 0xFC : op);
if (!(optype & 0x01)) // jsl?
{
res++;
op = 0x22;
}
}
else
{
op = (m == syn_abs ? 0x4C : op);
op = (m == syn_di ? 0x6C : op);
op = (m == syn_diix ? 0x7C : op);
op = (m == syn_dil ? 0xDC : op);
if (!(optype & 0x01)) // JML?
{
op = (m == syn_abs ? 0x5C : op);
}
if ((op == 0xDC) || (op == 0x5C))
{
if (cpumode < MODE_65816)
{
op = 0; // can't do these without an '816
}
res++;
}
}
if (op == 0)
{
err = true;
}
if (err)
{
res = 0;
line.setError(errBadAddressMode);
}
if ((pass > 0) && (res > 0))
{
setOpcode(line, op);
for (i = 0; i < (res - 1); i++)
{
line.outbytes.push_back((line.expr_value >> (8 * i)) & 0xFF);
}
line.outbytect = res;
}
return (res);
}
int CLASS::doBRANCH(MerlinLine & line, TSymbol & sym)
{
int res, i;
res = 2;
uint8_t op = (sym.opcode << 6) & 0xC0;
op |= 0x10; // make it a branch opcode
if (sym.opcode & 0x80)
{
op |= 0x20;
}
if (sym.opcode & 0x40) // BRA
{
op = 0x80;
}
if (sym.opcode & 0x20) // BRL
{
op = 0x82;
res++;
}
if ((pass > 0) && (res > 0))
{
setOpcode(line, op);
for (i = 0; i < (res - 1); i++)
{
line.outbytes.push_back(0x00);
}
line.outbytect = res;
}
return (res);
}
// aaabbbcc
int CLASS::doBase6502(MerlinLine & line, TSymbol & sym)
{
int res = 1;
int i;
uint8_t bytelen = 1;
uint8_t cc;
uint8_t op, amode;
uint16_t opflags;
bool err = false;
//std::string opcode = Poco::toUpper(line.opcode);
line.opflags = opflags = sym.stype;
op = (sym.opcode << 5) & 0xE0;
cc = (sym.stype >> 8) & 0x03;
amode = 0xFF;
if ((sym.stype & OP_C0) == OP_C0)
{
uint8_t cc = 0;
uint8_t m = line.addressmode;
uint8_t bbb = 0xFF;
bbb = (m == syn_imm ? 0 : bbb);
bbb = (m == syn_abs ? 1 : bbb);
bbb = (m == syn_absx ? 5 : bbb);
//printf("expr_value=%08X\n",line.expr_value);
if ((sym.opcode == 1) && (m == syn_imm)) //BIT special case
{
cc = 0x01;
op = 0x80;
bbb = 0x02;
}
else if ((bbb > 0) && (line.expr_value >= 0x100))
{
bbb |= 0x02;
}
op |= (bbb << 2) | cc;
goto out;
}
if (cc == 0x01)
{
switch (line.addressmode)
{
case syn_diix: amode = 0; break;
case syn_abs: amode = 1; break;
case syn_imm: amode = 2; break;
case syn_diiy: amode = 4; break;
case syn_absx: amode = 5; break;
case syn_absy: amode = 6; break;
default:
err = true;
break;
}
}
else if (cc == 0x02)
{
switch (line.addressmode)
{
case syn_imm: amode = 0; break;
case syn_abs: amode = 1; break;
case syn_implied: amode = 2; break;
case syn_absy:
if ((opflags & OP_STX) == OP_STX)
{
amode = 5;
}
break;
case syn_absx: amode = 5; break; // this is actually Y addressing because X register is used
default:
err = true;
break;
}
if ((opflags & OP_STX) == OP_STX)
//if ((opcode == "STX") || (opcode == "LDX") || (opcode == "DEC") || (opcode == "INC"))
{
if (line.addressmode == syn_implied)
{
err = true;
}
if (line.addressmode == syn_absx)
{
//err = true;
}
if (cpumode >= MODE_65C02)
{
if (line.addressmode == syn_implied)
{
if ((opflags & (OP_STX | OP_SPECIAL)) == (OP_STX | OP_SPECIAL))
{
if (sym.opcode == 0x07) // INC
{
err = false;
op = 0x1A;
bytelen = 0;
goto out;
}
if (sym.opcode == 0x06) // DEC
{
err = false;
op = 0x3A;
bytelen = 0;
goto out;
}
}
}
}
}
}
if (line.addressmode == syn_imm)
{
uint8_t mask = 0x02;
if (cc == 0x02) // the non accumulator
{
mask = 0x01;
}
if ((mx & mask) == 0)
{
bytelen++;
}
}
else if ((line.addressmode == syn_abs) || (line.addressmode == syn_absx)
|| (line.addressmode == syn_absy))
{
// check here for zero page or not and adjust amode
//printf("addrmode=%d\n",line.addressmode);
if (line.expr_value >= 0x100)
{
bytelen++;
//if ((line.addressmode != syn_absy) && (amode != 6))
if (amode != 6)
{
amode += 2;
}
}
if (line.flags & FLAG_LONGADDR)
{
err = true;
}
}
if (err) // not a 6502 address mode
{
if (cpumode >= MODE_65816)
{
//printf("816\n");
cc = 0x03;
err = false;
switch (line.addressmode)
{
case syn_s: amode = 0; break;
case syn_sy: amode = 4; break;
case syn_di: cc = 0x02; amode = 4; break;
case syn_iyl: amode = 5; break;
case syn_dil: amode = 1; break;
case syn_absx: amode = 7; break;
case syn_abs: amode = 3; break;
default:
//printf("bad syn_mode=%d\n", line.addressmode);
err = true;
break;
}
if (!err)
{
if (line.addressmode == syn_abs)
{
if (line.flags & FLAG_LONGADDR)
{
//amode=7;
}
}
}
}
}
op |= (amode & 0x07) << 2;
op |= cc;
out:
if (err)
{
line.setError(errBadAddressMode);
//printf("bad address mode %d\n",line.addressmode);
op = 0x00;
res = 0;
bytelen = 0;
}
res += bytelen;
if ((pass > 0) && (res > 0))
{
setOpcode(line, op);
for (i = 0; i < (res - 1); i++)
{
line.outbytes.push_back(line.expr_value >> (8 * i));
}
line.outbytect = res;
}
return (res);
}
int CLASS::doEND(MerlinLine & line, TSymbol & sym)
{
int res = 0;
passcomplete = true;
return (res);
}
int CLASS::doBYTE(MerlinLine & line, TSymbol & sym)
{
int res = -1;
res = line.inbytect;
//printf("inbytes=%d %02X\n",res,line.inbytes[0]);
if (pass > 0)
{
setOpcode(line, sym.opcode);
line.outbytect = res;
}
return (res);
}
void CLASS::insertOpcodes(void)
{
pushopcode("=", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doEQU));
pushopcode("EQU", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doEQU));
pushopcode("EXT", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ENT", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ORG", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DSK", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("SAV", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DS", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("REL", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("OBJ", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("PUT", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("USE", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("VAR", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("SAV", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("TYP", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("END", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doEND));
pushopcode("DUM", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DEND", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("AST", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("CYC", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DAT", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("EXP", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("LST", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("LSTDO", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("PAG", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("TTL", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("SKP", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("TR", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ASC", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DCI", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("INV", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("FLS", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("REV", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("STR", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DA", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DW", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DDB", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DFB", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DB", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ADR", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ADRL", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("HEX", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DS", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("DO", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ELSE", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("IF", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("FIN", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("CHK", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ERR", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("KBD", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("LUP", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("--^", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("MX", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doMX));
pushopcode("PAU", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("SW", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("USR", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("XC", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doXC));
pushopcode("MAC", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("EOM", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("<<<", 0x00, OP_PSUEDO, OPHANDLER(&CLASS::doPSEUDO));
pushopcode("ADC", 0x03, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("AND", 0x01, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("ASL", 0x00, OP_ASL, OPHANDLER(&CLASS::doBase6502));
pushopcode("BCC", 0x02, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BLT", 0x02, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BCS", 0x82, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BGE", 0x82, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BEQ", 0x83, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BIT", 0x01, OP_C0, OPHANDLER(&CLASS::doBase6502));
pushopcode("BMI", 0x80, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BNE", 0x03, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BPL", 0x00, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BRA", 0x40, OP_65816, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BRK", 0x00, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("BRL", 0x20, OP_65816, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BVC", 0x01, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("BVS", 0x81, OP_6502, OPHANDLER(&CLASS::doBRANCH));
pushopcode("CLC", 0x18, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("CLD", 0xD8, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("CLI", 0x58, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("CLV", 0xB8, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("CMP", 0x06, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("COP", 0x02, 1, OPHANDLER(&CLASS::doAddress));
pushopcode("CPX", 0x07, OP_C0, OPHANDLER(&CLASS::doBase6502));
pushopcode("CPY", 0x06, OP_C0, OPHANDLER(&CLASS::doBase6502));
pushopcode("DEC", 0x06, OP_STX | OP_SPECIAL, OPHANDLER(&CLASS::doBase6502));
pushopcode("DEX", 0xCA, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("DEY", 0x88, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("EOR", 0x02, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("INC", 0x07, OP_STX | OP_SPECIAL, OPHANDLER(&CLASS::doBase6502));
pushopcode("INX", 0xE8, OP_6502| OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("INY", 0xC8, OP_6502| OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("JML", 0x00, OP_65816, OPHANDLER(&CLASS::doJMP));
pushopcode("JMP", 0x01, OP_6502, OPHANDLER(&CLASS::doJMP));
pushopcode("JSL", 0x02, OP_65816, OPHANDLER(&CLASS::doJMP));
pushopcode("JSR", 0x03, OP_6502, OPHANDLER(&CLASS::doJMP));
pushopcode("LDA", 0x05, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("LDX", 0x05, OP_STX, OPHANDLER(&CLASS::doBase6502));
pushopcode("LDY", 0x05, OP_C0, OPHANDLER(&CLASS::doBase6502));
pushopcode("LSR", 0x02, OP_ASL, OPHANDLER(&CLASS::doBase6502));
pushopcode("MVN", 0x00, OP_6502, OPHANDLER(&CLASS::doUNK));
pushopcode("MVP", 0x00, OP_6502, OPHANDLER(&CLASS::doUNK));
pushopcode("NOP", 0xEA, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("ORA", 0x00, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("PEA", 0xF4, 2, OPHANDLER(&CLASS::doAddress));
pushopcode("PEI", 0xD4, 1, OPHANDLER(&CLASS::doAddress));
pushopcode("PER", 0x62, 2, OPHANDLER(&CLASS::doAddress));
pushopcode("PHA", 0x48, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PHB", 0x8B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PHD", 0x0B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PHK", 0x4B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PHP", 0x08, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PHX", 0xDA, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PHY", 0x5A, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PLA", 0x68, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PLB", 0xAB, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PLD", 0x2B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PLP", 0x28, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PLX", 0xFA, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("PLY", 0x7A, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("REP", 0xC2, 1, OPHANDLER(&CLASS::doAddress));
pushopcode("ROL", 0x01, OP_ASL, OPHANDLER(&CLASS::doBase6502));
pushopcode("ROR", 0x03, OP_ASL, OPHANDLER(&CLASS::doBase6502));
pushopcode("RTI", 0x40, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("RTL", 0x6B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("RTS", 0x60, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("SBC", 0x07, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("SEC", 0x38, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("SED", 0xF8, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("SEI", 0x78, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("SEP", 0xE2, 1, OPHANDLER(&CLASS::doAddress));
pushopcode("STP", 0xDB, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("STA", 0x04, OP_STD, OPHANDLER(&CLASS::doBase6502));
pushopcode("STX", 0x04, OP_STX, OPHANDLER(&CLASS::doBase6502));
pushopcode("STY", 0x04, OP_C0, OPHANDLER(&CLASS::doBase6502));
pushopcode("STZ", 0x01, OP_6502, OPHANDLER(&CLASS::doNoPattern));
pushopcode("TAX", 0xAA, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TAY", 0xA8, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TCD", 0x5B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TCS", 0x1B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TDC", 0x7B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TRB", 0x03, OP_6502, OPHANDLER(&CLASS::doNoPattern));
pushopcode("TSB", 0x02, OP_6502, OPHANDLER(&CLASS::doNoPattern));
pushopcode("TSC", 0x3B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TSX", 0xBA, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TXA", 0x8A, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TXS", 0x9A, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TXY", 0x9B, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TYA", 0x98, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("TYX", 0xBB, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("WAI", 0xCB, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("WDM", 0x42, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("XBA", 0xEB, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
pushopcode("XCE", 0xFB, OP_6502 | OP_ONEBYTE, OPHANDLER(&CLASS::doBYTE));
}
#undef CLASS
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