#include "z80.h" #include "z80debug.h" #include "z80mem.h" #include "zx_tape.h" #include namespace z80 { //static uint8_t *memory = nullptr; //static uint8_t memtag[65536]; //static uint8_t memtouched[65536]; static uint32_t t = 0; static uint16_t current_opcode_address = 0; bool options[Z80_NUM_OPTIONS] = { true, false }; int calls_stacked = 0; int (*in_ports[256])(int); void (*out_ports[256])(int, int); //#define _rM16(a) (uint16_t*)&memory[a] //#define rM16(a) *_rM16(a) #define fC 0b00000001 #define fN 0b00000010 #define fP 0b00000100 #define fV 0b00000100 #define fX 0b00001000 #define fH 0b00010000 #define fY 0b00100000 #define fZ 0b01000000 #define fS 0b10000000 #define cNO 255 #define cNZ 0 #define cZ 1 #define cNC 2 #define cC 3 #define cPO 4 #define cPE 5 #define cP 6 #define cM 7 uint8_t regs[31]; uint8_t *_rF = ®s[0]; uint8_t *_rA = ®s[1]; uint8_t *_rC = ®s[2]; uint8_t *_rB = ®s[3]; uint8_t *_rE = ®s[4]; uint8_t *_rD = ®s[5]; uint8_t *_rL = ®s[6]; uint8_t *_rH = ®s[7]; uint16_t *_rAF = (uint16_t*)®s[0]; uint16_t *_rBC = (uint16_t*)®s[2]; uint16_t *_rDE = (uint16_t*)®s[4]; uint16_t *_rHL = (uint16_t*)®s[6]; uint8_t *_rF2 = ®s[8]; uint8_t *_rA2 = ®s[9]; uint8_t *_rC2 = ®s[10]; uint8_t *_rB2 = ®s[11]; uint8_t *_rE2 = ®s[12]; uint8_t *_rD2 = ®s[13]; uint8_t *_rL2 = ®s[14]; uint8_t *_rH2 = ®s[15]; uint16_t *_rAF2 = (uint16_t*)®s[8]; uint16_t *_rBC2 = (uint16_t*)®s[10]; uint16_t *_rDE2 = (uint16_t*)®s[12]; uint16_t *_rHL2 = (uint16_t*)®s[14]; uint8_t *_rIXL = ®s[16]; uint8_t *_rIXH = ®s[17]; uint8_t *_rIYL = ®s[18]; uint8_t *_rIYH = ®s[19]; uint16_t *_rIX = (uint16_t*)®s[16]; uint16_t *_rIY = (uint16_t*)®s[18]; uint16_t *_rSP = (uint16_t*)®s[20]; uint8_t *_rI = ®s[22]; uint8_t *_rR = ®s[23]; uint16_t *_rPC = (uint16_t*)®s[24]; uint16_t *_rWZ = (uint16_t*)®s[26]; uint8_t *_rZ = (uint8_t*)®s[26]; uint8_t *_rW = (uint8_t*)®s[27]; uint8_t *_rIFF1 = ®s[28]; uint8_t *_rIFF2 = ®s[29]; uint8_t *_rIM = ®s[30]; //uint8_t iff1, iff2, im; bool exit_from_halt = false; int pending_ei = 0; #define rA (*_rA) #define rF (*_rF) #define rB (*_rB) #define rC (*_rC) #define rD (*_rD) #define rE (*_rE) #define rH (*_rH) #define rL (*_rL) #define rW (*_rW) #define rZ (*_rZ) #define rAF (*_rAF) #define rBC (*_rBC) #define rDE (*_rDE) #define rHL (*_rHL) #define rWZ (*_rWZ) #define rA2 (*_rA2) #define rF2 (*_rF2) #define rB2 (*_rB2) #define rC2 (*_rC2) #define rD2 (*_rD2) #define rE2 (*_rE2) #define rH2 (*_rH2) #define rL2 (*_rL2) #define rAF2 (*_rAF2) #define rBC2 (*_rBC2) #define rDE2 (*_rDE2) #define rHL2 (*_rHL2) #define rIXH (*_rIXH) #define rIXL (*_rIXL) #define rIYH (*_rIYH) #define rIYL (*_rIYL) #define rIX (*_rIX) #define rIY (*_rIY) #define rSP (*_rSP) #define rI (*_rI) #define rR (*_rR) #define rPC (*_rPC) #define iff1 (*_rIFF1) #define iff2 (*_rIFF2) #define im (*_rIM) #define EX(a,b) {auto temp=a;a=b;b=temp;} bool reading_m1 = false; uint8_t READ_MEM_8(const uint16_t addr, const bool code=false) { if (z80debug::isbreak(addr, 2)) z80debug::stop(); t+=3; const uint8_t tag = z80mem::get()->getTag(addr); if ( !(tag&MEMTAG_IGNORE) ) { if (!code) { if ( tag & MEMTAG_INST ) { //printf("WARNING! READING DATA FROM CODE!!! $%4X\n", addr); //z80debug::stop(); } else { z80mem::get()->setTag(addr, tag | MEMTAG_DATA); } } else { if ( (reading_m1) && ( tag & MEMTAG_DATA ) ) { //printf("WARNING! EXECUTING DATA AS CODE!!! $%4X\n", addr); //z80debug::stop(); } } } reading_m1 = false; return z80mem::get()->readMem(addr); } uint8_t READ_MEM_8() { const uint8_t data = READ_MEM_8(rPC, true); const uint8_t tag = z80mem::get()->getTag(rPC); if ( !(tag & MEMTAG_IGNORE) ) z80mem::get()->setTag(rPC, tag | MEMTAG_CODE); rPC++; return data; } uint8_t READ_M1() { t+=1; reading_m1 = true; if (rPC==0x056c) { zx_tape::rewind(); zx_tape::play(); } return READ_MEM_8(); } uint16_t READ_MEM_16() { const uint8_t L = READ_MEM_8(); const uint8_t H = READ_MEM_8(); return (H << 8) + L; } uint16_t READ_MEM_16(const uint16_t addr) { return READ_MEM_8(addr) + (READ_MEM_8(addr+1) << 8); } const uint8_t WRITE_MEM_8(const uint16_t addr, const uint8_t value) { t+=3; if (addr>=0x4000) z80mem::get()->writeMem(addr, value); if (z80debug::isbreak(addr, 4)) z80debug::stop(); //if (z80debug::debugging()) z80debug::setmemmodified(addr); const uint8_t tag = z80mem::get()->getTag(addr); if ( !(tag & MEMTAG_IGNORE) ) { if ( tag & MEMTAG_INST ) { //printf("WARNING! WRITING DATA OVER CODE!!! $%4X\n", addr); //z80debug::stop(); } else { z80mem::get()->setTag(addr, tag | MEMTAG_DATA | MEMTAG_TDATA); } } return value; } void WRITE_MEM_16(const uint16_t addr, const uint16_t value) { WRITE_MEM_8(addr, value & 0xff); WRITE_MEM_8(addr+1, (value>>8) & 0xff); //if (value==0x7229) z80debug::stop(); } void PUSH(uint16_t b) { rSP-=2; WRITE_MEM_16(rSP, b); t+=1; } void POP(uint16_t *a) { *a = READ_MEM_16(rSP); rSP+=2; } inline void KEEP_FLAGS(const uint8_t flags) { rF &= flags; } inline void SET_FLAGS(const uint8_t flags) { rF |= flags; } inline void FLAGS_SZXY(const uint8_t value) { rF |= value ? value & fS : fZ; rF |= (value & (fY | fX)); } inline void SET_PARITY_FLAG(const uint8_t value) { uint8_t count=0; uint8_t v = value; while (v>0) { count+=(v&1); v=v>>1; } if (!(count&1)) rF |= fP; } void INC16(uint16_t *reg) { t+=2; (*reg)++; } void DEC16(uint16_t *reg) { t+=2; (*reg)--; } void ADD16(uint16_t* a, uint16_t b) { t++; const uint32_t res = *a + b; KEEP_FLAGS(fS | fZ | fV); SET_FLAGS(((*a ^ res ^ b) >> 8) & fH); SET_FLAGS((res >> 16) & fC); SET_FLAGS((res >> 8) & (fY | fX)); *a = (uint16_t)res; } void ADC16(uint16_t* a, uint16_t b) { t++; const uint32_t res = *a + b + (rF & fC); rF=0; SET_FLAGS(((*a ^ res ^ b) >> 8) & fH); SET_FLAGS((res >> 16) & fC); SET_FLAGS((res >> 8) & (fS | fY | fX)); SET_FLAGS((res & 0xffff) ? 0 : fZ); SET_FLAGS(((b ^ *a ^ 0x8000) & (b ^ res) & 0x8000) >> 13); *a = (uint16_t)res; } void SBC16(uint16_t* a, uint16_t b) { t++; const uint32_t res = *a - b - (rF & fC); rF = 0; SET_FLAGS(((*a ^ res ^ b) >> 8) & fH); SET_FLAGS(fN); SET_FLAGS((res >> 16) & fC); SET_FLAGS((res >> 8) & (fS | fY | fX)); SET_FLAGS((res & 0xffff) ? 0 : fZ); SET_FLAGS(((b ^ *a) & (*a ^ res) & 0x8000) >> 13); *a = (uint16_t)res; } void INC8(uint8_t *reg) { uint8_t value = *reg + 1; KEEP_FLAGS(fC); FLAGS_SZXY(value); if (value == 0x80) SET_FLAGS(fV); if ( (value & 0x0f) == 0x00 ) SET_FLAGS(fH); *reg = value; } void DEC8(uint8_t *reg) { uint8_t value = *reg - 1; KEEP_FLAGS(fC); FLAGS_SZXY(value); SET_FLAGS(fN); if (value == 0x7f) SET_FLAGS(fV); if ( (value & 0x0f) == 0x0f ) SET_FLAGS(fH); *reg = value; } void INCMEM8(const uint16_t addr) { t++; uint8_t value = READ_MEM_8(addr); value++; KEEP_FLAGS(fC); FLAGS_SZXY(value); if (value == 0x80) SET_FLAGS(fV); if ( (value & 0x0f) == 0x00 ) SET_FLAGS(fH); WRITE_MEM_8(addr, value); } void DECMEM8(const uint16_t addr) { t+=1; uint8_t value = READ_MEM_8(addr); value--; KEEP_FLAGS(fC); FLAGS_SZXY(value); SET_FLAGS(fN); if (value == 0x7f) SET_FLAGS(fV); if ( (value & 0x0f) == 0x0f ) SET_FLAGS(fH); WRITE_MEM_8(addr, value); } void ADD8(uint8_t b) { const uint8_t res = rA + b; rF=0; FLAGS_SZXY(res); if ( (res & 0x0f) < (rA & 0x0f) ) SET_FLAGS(fH); if ( res < rA ) SET_FLAGS(fC); if ( (b^rA^0x80) & (b^res) & 0x80 ) SET_FLAGS(fV); rA = (uint8_t)res; } void ADC8(uint8_t b) { if (!(rF & fC)) ADD8(b); else { uint16_t res = rA + b + 1; rF=0; FLAGS_SZXY(res); if ( (res & 0x0f) <= (rA & 0x0f) ) SET_FLAGS(fH); if ( res > 255 ) SET_FLAGS(fC); if ( (b^rA^0x80) & (b^res) & 0x80 ) SET_FLAGS(fV); rA = (uint8_t)res; } } void SUB8(uint8_t b, const bool update=true) { const uint8_t res = rA - b; rF=0; FLAGS_SZXY(res); SET_FLAGS(fN); if ( (res & 0x0f) > (rA & 0x0f) ) SET_FLAGS(fH); if ( res > rA ) SET_FLAGS(fC); if ( (b^rA) & (rA^res) & 0x80 ) SET_FLAGS(fV); if (update) rA = (uint8_t)res; } void SBC8(uint8_t b) { if (!(rF & fC)) SUB8(b); else { const uint8_t res = rA - b - 1; rF=0; FLAGS_SZXY(res); SET_FLAGS(fN); if ( (res & 0x0f) >= (rA & 0x0f) ) SET_FLAGS(fH); if ( res >= rA ) SET_FLAGS(fC); if ( (b^rA) & (rA^res) & 0x80 ) SET_FLAGS(fV); rA = (uint8_t)res; } } void NEG() { uint8_t val = rA; rA = 0; SUB8(val); } void AND(uint8_t b) { rA = rA & b; rF=0; FLAGS_SZXY(rA); SET_PARITY_FLAG(rA); SET_FLAGS(fH); } void XOR(uint8_t b) { rA = rA ^ b; rF=0; FLAGS_SZXY(rA); SET_PARITY_FLAG(rA); } void OR(uint8_t b) { rA = rA | b; rF=0; FLAGS_SZXY(rA); SET_PARITY_FLAG(rA); } void CP(uint8_t b) { SUB8(b, false); } void LD_A_I() { t++; rA = rI; KEEP_FLAGS(fC); FLAGS_SZXY(rA); if (iff2) SET_FLAGS(fP); } void LD_A_R() { t++; rA = rR; KEEP_FLAGS(fC); FLAGS_SZXY(rA); if (iff2) SET_FLAGS(fP); } void RLCA() { const bool should_carry = rA & 0x80; rA = (rA>>7) | (rA<<1); KEEP_FLAGS(fS | fZ | fP); SET_FLAGS(rA & (fX | fY)); if (should_carry) SET_FLAGS(fC); } void RRCA() { const bool should_carry = rA & 0x01; rA = (rA<<7) | (rA>>1); KEEP_FLAGS(fS | fZ | fP); SET_FLAGS(rA & (fX | fY)); if (should_carry) SET_FLAGS(fC); } void RLA() { const bool should_carry = rA & 0x80; rA = (rA<<1) | (rF&fC); KEEP_FLAGS(fS | fZ | fP); SET_FLAGS(rA & (fX | fY)); if (should_carry) SET_FLAGS(fC); } void RRA() { const bool should_carry = rA & 0x01; rA = ((rF&fC)<<7) | (rA>>1); KEEP_FLAGS(fS | fZ | fP); SET_FLAGS(rA & (fX | fY)); if (should_carry) SET_FLAGS(fC); } void RRD() { uint8_t a = rA; uint8_t hl = READ_MEM_8(rHL); rA = (rA & 0xF0) | (hl & 0x0F); hl = (hl >> 4) | (a << 4); WRITE_MEM_8(rHL, hl); KEEP_FLAGS(fC); FLAGS_SZXY(rA); SET_PARITY_FLAG(rA); t+=4; } void RLD() { uint8_t a = rA; uint8_t hl = READ_MEM_8(rHL); rA = (rA & 0xF0) | (hl >> 4); hl = (hl << 4) | (a & 0x0F); WRITE_MEM_8(rHL, hl); KEEP_FLAGS(fC); FLAGS_SZXY(rA); SET_PARITY_FLAG(rA); t+=4; } void new_DAA() { uint8_t cf = rA > 0x99; uint8_t diff = ((rF & fH) || (rA & 0xF) > 9) ? 6 : 0; if ((rF & fC) || cf) diff |= 0x60; diff = (rF & fN) ? rA - diff : rA + diff; KEEP_FLAGS(fN | fC); FLAGS_SZXY(diff); SET_FLAGS(!(diff) << 6); SET_FLAGS((rA ^ diff) & fH); SET_PARITY_FLAG(diff); SET_FLAGS(cf); /* FLAGS = (zuint8)( (F & (NF | CF)) | // NF unchanged; CF dominant (t & SYXF) | // SF = sign; YF = Y; XF = X ZF_ZERO(t) | // ZF = zero ((A ^ t) & HF) | // HF = Ai.4 != Ao.4 PF_PARITY(t) | // PF = parity cf); // CF |= 1 (if BCD carry) */ rA = diff; t+=4; } void DAA() { bool carry_set = false; uint8_t old = rA; if ( (rA & 0x0F)>9 || (rF & fH) ) rA += 0x06; if ( (rA >> 4)>9 || (rF & fC) ) { rA += 0x60; carry_set = true; } KEEP_FLAGS(fN); FLAGS_SZXY(rA); if ( (rA & 0x0F) < (old & 0x0F) ) SET_FLAGS(fH); if (carry_set) SET_FLAGS(fC); SET_PARITY_FLAG(rA); } void CPL() { rA = ~rA; KEEP_FLAGS(fS | fZ | fP | fC); SET_FLAGS(fH | fN); SET_FLAGS(rA & (fX | fY)); } void SCF() { KEEP_FLAGS( fS | fZ | fP ); SET_FLAGS(fC); SET_FLAGS(rA & (fX | fY)); } void CCF() { const bool carry = (rF & fC); KEEP_FLAGS( fS | fZ | fP ); SET_FLAGS(carry ? fH : fC); SET_FLAGS(rA & (fX | fY)); } void DJNZ() { const int8_t d = (int8_t)READ_MEM_8(); rB--; if (rB!=0) { rPC = rPC + d; t+=5; } } void JR(uint8_t cond = cNO) { const int8_t d = (int8_t)READ_MEM_8(); if ( cond == cNO || ( (cond == cNZ) && !(rF & fZ) ) || ( (cond == cZ) && (rF & fZ) ) || ( (cond == cNC) && !(rF & fC) ) || ( (cond == cC) && (rF & fC) ) ) { rPC = rPC + d; t+=5; } } void JP(uint8_t cond, uint16_t addr) { if ( cond == cNO || ( (cond == cNZ) && !(rF & fZ) ) || ( (cond == cZ) && (rF & fZ) ) || ( (cond == cNC) && !(rF & fC) ) || ( (cond == cC) && (rF & fC) ) || ( (cond == cPO) && !(rF & fV) ) || ( (cond == cPE) && (rF & fV) ) || ( (cond == cM) && (rF & fS) ) || ( (cond == cP) && !(rF & fS) ) ) rPC = addr; } void CALL(uint8_t cond, uint16_t addr) { if ( cond == cNO || ( (cond == cNZ) && !(rF & fZ) ) || ( (cond == cZ) && (rF & fZ) ) || ( (cond == cNC) && !(rF & fC) ) || ( (cond == cC) && (rF & fC) ) || ( (cond == cPO) && !(rF & fV) ) || ( (cond == cPE) && (rF & fV) ) || ( (cond == cM) && (rF & fS) ) || ( (cond == cP) && !(rF & fS) ) ) { PUSH(rPC); rPC = addr; if (options[Z80_OPTION_BREAK_ON_RET]) { calls_stacked++; printf("CALL: calls stacked: %i", calls_stacked); } } } void RET(uint8_t cond) { if ( cond == cNO || ( (cond == cNZ) && !(rF & fZ) ) || ( (cond == cZ) && (rF & fZ) ) || ( (cond == cNC) && !(rF & fC) ) || ( (cond == cC) && (rF & fC) ) || ( (cond == cPO) && !(rF & fV) ) || ( (cond == cPE) && (rF & fV) ) || ( (cond == cM) && (rF & fS) ) || ( (cond == cP) && !(rF & fS) ) ) { POP(_rPC); if (cond != cNO) t++; if (options[Z80_OPTION_BREAK_ON_RET]) { if (calls_stacked>0) { calls_stacked--; printf("RET: calls still stacked: %i\n", calls_stacked); } else { printf("RET: BREAK\n"); options[Z80_OPTION_BREAK_ON_RET] = false; z80debug::setcursor(rPC); z80debug::history::store(); z80debug::stop(); } } } else { t++; } } void RETN() { POP(_rPC); iff1 = iff2; if (options[Z80_OPTION_BREAK_ON_RET]) { options[Z80_OPTION_BREAK_ON_RET] = false; z80debug::setcursor(rPC); z80debug::history::store(); z80debug::stop(); } } void RETI() { RETN(); } void RST(uint8_t vec) { PUSH(rPC); rPC = vec; } void IM(uint8_t mode) { im = mode; } void EX_MEM(uint16_t *reg, uint16_t addr) { auto temp = *reg; *reg = READ_MEM_16(addr); WRITE_MEM_16(addr, temp); t+=3; } void DI() { iff1 = iff2 = 0; } void EI() { pending_ei=1; } void actualEI() { iff1 = iff2 = 1; } void HALT() { if (exit_from_halt) { exit_from_halt = false; } else { //printf("HALT\n"); rPC--; } } void interrupt() { if (!iff1) return; DI(); exit_from_halt = true; PUSH(rPC); uint16_t address; if (im==1) { rPC = 0x38; } else if (im==2) { address = (rI<<8) | 0xFE; rPC = READ_MEM_16(address); } else if (im==0) { printf("Interrupt mode 0!\n"); z80debug::stop(); return; } if (options[Z80_OPTION_BREAK_ON_INTERRUPT]) { printf("Break on interrupt! 0x%2x, PC: 0x%2x\n", address, rPC); z80debug::setcursor(rPC); z80debug::history::store(); z80debug::stop(); } } static inline const uint8_t RLC(const uint8_t v) { const uint8_t res = (v>>7) | (v<<1); rF=0; FLAGS_SZXY(res); if (res&1) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t RRC(const uint8_t v) { const uint8_t res = (v<<7) | (v>>1); rF=0; FLAGS_SZXY(res); if (res&0x80) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t RL(const uint8_t v) { const uint8_t res = (v<<1) | (rF&fC); rF=0; FLAGS_SZXY(res); if (v&0x80) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t RR(const uint8_t v) { const uint8_t res = ((rF&fC)<<7) | (v>>1); rF=0; FLAGS_SZXY(res); if (v&1) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t SLA(const uint8_t v) { const uint8_t res = (v<<1); rF=0; FLAGS_SZXY(res); if (v&0x80) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t SRA(const uint8_t v) { const uint8_t res = (v&0x80) | (v>>1); rF=0; FLAGS_SZXY(res); if (v&1) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t SLL(const uint8_t v) { const uint8_t res = (v<<1) | 1; rF=0; FLAGS_SZXY(res); if (v&0x80) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } static inline const uint8_t SRL(const uint8_t v) { const uint8_t res = (v>>1); rF=0; FLAGS_SZXY(res); if (v&1) SET_FLAGS(fC); SET_PARITY_FLAG(res); return res; } void BIT(uint8_t pos, uint8_t v) { const uint8_t res = v & 1<255) SET_FLAGS(fH | fC); SET_PARITY_FLAG((k&7)^rB); t+=5; } void INIR() { INI(); if (rB!=0) { rPC-=2; t+=5; } } void IND() { DEC8(_rB); const uint8_t flags_after_dec = rF; const uint8_t val = IN(); WRITE_MEM_8(rHL, val); rHL--; SET_FLAGS(flags_after_dec); KEEP_FLAGS(fS | fZ | fY | fX); if (val&0x80) SET_FLAGS(fN); uint16_t k = val + ((rC-1)&255); if (k>255) SET_FLAGS(fH | fC); SET_PARITY_FLAG((k&7)^rB); t+=5; } void INDR() { IND(); if (rB!=0) { rPC-=2; t+=5; } } void OUTI() { const uint8_t val = READ_MEM_8(rHL); OUT(val); rHL++; DEC8(_rB); KEEP_FLAGS(fS | fZ | fY | fX); if (val&0x80) SET_FLAGS(fN); uint16_t k = rL+val; if (k>255) SET_FLAGS(fH | fC); SET_PARITY_FLAG((k&7)^rB); t+=5; } void OUTIR() { OUTI(); if (rB!=0) { rPC-=2; t+=5; } } void OUTD() { const uint8_t val = READ_MEM_8(rHL); OUT(val); rHL--; DEC8(_rB); KEEP_FLAGS(fS | fZ | fY | fX); if (val&0x80) SET_FLAGS(fN); uint16_t k = rL+val; if (k>255) SET_FLAGS(fH | fC); SET_PARITY_FLAG((k&7)^rB); t+=5; } void OUTDR() { OUTD(); if (rB!=0) { rPC-=2; t+=5; } } void INVALID(uint8_t opcode) { printf("INVALID OPCODE AT: %04x\n", current_opcode_address); if (options[Z80_OPTION_STOP_ON_INVALID]) z80debug::stop(); } void reset() { z80mem::get()->reset(); rPC = iff1 = iff2 = im = 0; rAF = rAF2 = rBC = rBC2 = rDE = rDE2 = rHL = rHL2 = rIX = rIY = rSP = 0xffff; t = 0; for (int i=0; i<256; ++i) { in_ports[i] = nullptr; out_ports[i] = nullptr; } } void BIT_INSTRUCTIONS(); void IX_INSTRUCTIONS(); void IX_BIT_INSTRUCTIONS(); void MISC_INSTRUCTIONS(); void IY_INSTRUCTIONS(); void IY_BIT_INSTRUCTIONS(); void connect_port(int num, int (*in_ptr)(int), void (*out_ptr)(int,int)) { if (in_ptr) in_ports[num] = in_ptr; if (out_ptr) out_ports[num] = out_ptr; } bool opcode_ignored = false; uint32_t step() { do { opcode_ignored = false; current_opcode_address = rPC; t = 0; const uint8_t opcode = READ_M1(); uint8_t tag = z80mem::get()->getTag(current_opcode_address); if ( !(tag & MEMTAG_IGNORE) ) tag = tag | MEMTAG_INST; z80mem::get()->setTag(current_opcode_address, tag | !(tag&MEMTAG_TOUCHED) ? MEMTAG_TREPEAT : MEMTAG_TINST); uint16_t tmp; if (opcode!=0xED && opcode!=0xCB && opcode!=0xDD && opcode!=0xFD ) z80debug::useOpcode(opcode, 0); switch (opcode) { case 0x00: /* NOP */ break; case 0x01: rBC = READ_MEM_16(); break; case 0x02: WRITE_MEM_8(rBC, rA); break; case 0x03: INC16(_rBC); break; case 0x04: INC8(_rB); break; case 0x05: DEC8(_rB); break; case 0x06: rB = READ_MEM_8(); break; case 0x07: RLCA(); break; case 0x08: EX(rAF, rAF2); break; case 0x09: ADD16(_rHL, rBC); break; case 0x0A: rA = READ_MEM_8(rBC); break; case 0x0B: DEC16(_rBC); break; case 0x0C: INC8(_rC); break; case 0x0D: DEC8(_rC); break; case 0x0E: rC = READ_MEM_8(); break; case 0x0F: RRCA(); break; case 0x10: DJNZ(); break; case 0x11: rDE = READ_MEM_16(); break; case 0x12: WRITE_MEM_8(rDE, rA); break; case 0x13: INC16(_rDE); break; case 0x14: INC8(_rD); break; case 0x15: DEC8(_rD); break; case 0x16: rD = READ_MEM_8(); break; case 0x17: RLA(); break; case 0x18: JR(); break; case 0x19: ADD16(_rHL, rDE); break; case 0x1A: rA = READ_MEM_8(rDE); break; case 0x1B: DEC16(_rDE); break; case 0x1C: INC8(_rE); break; case 0x1D: DEC8(_rE); break; case 0x1E: rE = READ_MEM_8(); break; case 0x1F: RRA(); break; case 0x20: JR(cNZ); break; case 0x21: rHL = READ_MEM_16(); break; case 0x22: WRITE_MEM_16(READ_MEM_16(), rHL);break; case 0x23: INC16(_rHL); break; case 0x24: INC8(_rH); break; case 0x25: DEC8(_rH); break; case 0x26: rH = READ_MEM_8(); break; case 0x27: DAA(); break; case 0x28: JR(cZ); break; case 0x29: ADD16(_rHL, rHL); break; case 0x2A: rHL = READ_MEM_16(READ_MEM_16());break; case 0x2B: DEC16(_rHL); break; case 0x2C: INC8(_rL); break; case 0x2D: DEC8(_rL); break; case 0x2E: rL = READ_MEM_8(); break; case 0x2F: CPL(); break; case 0x30: JR(cNC); break; case 0x31: rSP = READ_MEM_16(); break; case 0x32: WRITE_MEM_8(READ_MEM_16(), rA); break; case 0x33: INC16(_rSP); break; case 0x34: INCMEM8(rHL); break; case 0x35: DECMEM8(rHL); break; case 0x36: WRITE_MEM_8(rHL, READ_MEM_8()); break; case 0x37: SCF(); break; case 0x38: JR(cC); break; case 0x39: ADD16(_rHL, rSP); break; case 0x3A: rA = READ_MEM_8(READ_MEM_16()); break; case 0x3B: DEC16(_rSP); break; case 0x3C: INC8(_rA); break; case 0x3D: DEC8(_rA); break; case 0x3E: rA = READ_MEM_8(); break; case 0x3F: CCF(); break; case 0x40: rB = rB; break; case 0x41: rB = rC; break; case 0x42: rB = rD; break; case 0x43: rB = rE; break; case 0x44: rB = rH; break; case 0x45: rB = rL; break; case 0x46: rB = READ_MEM_8(rHL); break; case 0x47: rB = rA; break; case 0x48: rC = rB; break; case 0x49: rC = rC; break; case 0x4A: rC = rD; break; case 0x4B: rC = rE; break; case 0x4C: rC = rH; break; case 0x4D: rC = rL; break; case 0x4E: rC = READ_MEM_8(rHL); break; case 0x4F: rC = rA; break; case 0x50: rD = rB; break; case 0x51: rD = rC; break; case 0x52: rD = rD; break; case 0x53: rD = rE; break; case 0x54: rD = rH; break; case 0x55: rD = rL; break; case 0x56: rD = READ_MEM_8(rHL); break; case 0x57: rD = rA; break; case 0x58: rE = rB; break; case 0x59: rE = rC; break; case 0x5A: rE = rD; break; case 0x5B: rE = rE; break; case 0x5C: rE = rH; break; case 0x5D: rE = rL; break; case 0x5E: rE = READ_MEM_8(rHL); break; case 0x5F: rE = rA; break; case 0x60: rH = rB; break; case 0x61: rH = rC; break; case 0x62: rH = rD; break; case 0x63: rH = rE; break; case 0x64: rH = rH; break; case 0x65: rH = rL; break; case 0x66: rH = READ_MEM_8(rHL); break; case 0x67: rH = rA; break; case 0x68: rL = rB; break; case 0x69: rL = rC; break; case 0x6A: rL = rD; break; case 0x6B: rL = rE; break; case 0x6C: rL = rH; break; case 0x6D: rL = rL; break; case 0x6E: rL = READ_MEM_8(rHL); break; case 0x6F: rL = rA; break; case 0x70: WRITE_MEM_8(rHL, rB); break; case 0x71: WRITE_MEM_8(rHL, rC); break; case 0x72: WRITE_MEM_8(rHL, rD); break; case 0x73: WRITE_MEM_8(rHL, rE); break; case 0x74: WRITE_MEM_8(rHL, rH); break; case 0x75: WRITE_MEM_8(rHL, rL); break; case 0x76: HALT(); break; case 0x77: WRITE_MEM_8(rHL, rA); break; case 0x78: rA = rB; break; case 0x79: rA = rC; break; case 0x7A: rA = rD; break; case 0x7B: rA = rE; break; case 0x7C: rA = rH; break; case 0x7D: rA = rL; break; case 0x7E: rA = READ_MEM_8(rHL); break; case 0x7F: rA = rA; break; case 0x80: ADD8(rB); break; case 0x81: ADD8(rC); break; case 0x82: ADD8(rD); break; case 0x83: ADD8(rE); break; case 0x84: ADD8(rH); break; case 0x85: ADD8(rL); break; case 0x86: ADD8(READ_MEM_8(rHL)); break; case 0x87: ADD8(rA); break; case 0x88: ADC8(rB); break; case 0x89: ADC8(rC); break; case 0x8A: ADC8(rD); break; case 0x8B: ADC8(rE); break; case 0x8C: ADC8(rH); break; case 0x8D: ADC8(rL); break; case 0x8E: ADC8(READ_MEM_8(rHL)); break; case 0x8F: ADC8(rA); break; case 0x90: SUB8(rB); break; case 0x91: SUB8(rC); break; case 0x92: SUB8(rD); break; case 0x93: SUB8(rE); break; case 0x94: SUB8(rH); break; case 0x95: SUB8(rL); break; case 0x96: SUB8(READ_MEM_8(rHL)); break; case 0x97: SUB8(rA); break; case 0x98: SBC8(rB); break; case 0x99: SBC8(rC); break; case 0x9A: SBC8(rD); break; case 0x9B: SBC8(rE); break; case 0x9C: SBC8(rH); break; case 0x9D: SBC8(rL); break; case 0x9E: SBC8(READ_MEM_8(rHL)); break; case 0x9F: SBC8(rA); break; case 0xA0: AND(rB); break; case 0xA1: AND(rC); break; case 0xA2: AND(rD); break; case 0xA3: AND(rE); break; case 0xA4: AND(rH); break; case 0xA5: AND(rL); break; case 0xA6: AND(READ_MEM_8(rHL)); break; case 0xA7: AND(rA); break; case 0xA8: XOR(rB); break; case 0xA9: XOR(rC); break; case 0xAA: XOR(rD); break; case 0xAB: XOR(rE); break; case 0xAC: XOR(rH); break; case 0xAD: XOR(rL); break; case 0xAE: XOR(READ_MEM_8(rHL)); break; case 0xAF: XOR(rA); break; case 0xB0: OR(rB); break; case 0xB1: OR(rC); break; case 0xB2: OR(rD); break; case 0xB3: OR(rE); break; case 0xB4: OR(rH); break; case 0xB5: OR(rL); break; case 0xB6: OR(READ_MEM_8(rHL)); break; case 0xB7: OR(rA); break; case 0xB8: CP(rB); break; case 0xB9: CP(rC); break; case 0xBA: CP(rD); break; case 0xBB: CP(rE); break; case 0xBC: CP(rH); break; case 0xBD: CP(rL); break; case 0xBE: CP(READ_MEM_8(rHL)); break; case 0xBF: CP(rA); break; case 0xC0: RET(cNZ); break; case 0xC1: POP(_rBC); break; case 0xC2: JP(cNZ, READ_MEM_16()); break; case 0xC3: JP(cNO, READ_MEM_16()); break; case 0xC4: CALL(cNZ, READ_MEM_16()); break; case 0xC5: PUSH(rBC); break; case 0xC6: ADD8(READ_MEM_8()); break; case 0xC7: RST(0x00); break; case 0xC8: RET(cZ); break; case 0xC9: RET(cNO); break; case 0xCA: JP(cZ, READ_MEM_16()); break; case 0xCB: BIT_INSTRUCTIONS(); break; case 0xCC: CALL(cZ, READ_MEM_16()); break; case 0xCD: CALL(cNO, READ_MEM_16()); break; case 0xCE: ADC8(READ_MEM_8()); break; case 0xCF: RST(0x08); break; case 0xD0: RET(cNC); break; case 0xD1: POP(_rDE); break; case 0xD2: JP(cNC, READ_MEM_16()); break; case 0xD3: OUT(rA, READ_MEM_8()); break; case 0xD4: CALL(cNC, READ_MEM_16()); break; case 0xD5: PUSH(rDE); break; case 0xD6: SUB8(READ_MEM_8()); break; case 0xD7: RST(0x10); break; case 0xD8: RET(cC); break; case 0xD9: EX(rBC, rBC2);EX(rDE, rDE2);EX(rHL, rHL2); break; case 0xDA: JP(cC, READ_MEM_16()); break; case 0xDB: rA = IN(READ_MEM_8()); break; case 0xDC: CALL(cC, READ_MEM_16()); break; case 0xDD: IX_INSTRUCTIONS(); break; case 0xDE: SBC8(READ_MEM_8()); break; case 0xDF: RST(0x18); break; case 0xE0: RET(cPO); break; case 0xE1: POP(_rHL); break; case 0xE2: JP(cPO, READ_MEM_16()); break; case 0xE3: EX_MEM(_rHL, rSP); break; case 0xE4: CALL(cPO, READ_MEM_16()); break; case 0xE5: PUSH(rHL); break; case 0xE6: AND(READ_MEM_8()); break; case 0xE7: RST(0x20); break; case 0xE8: RET(cPE); break; case 0xE9: JP(cNO, rHL); break; case 0xEA: JP(cPE, READ_MEM_16()); break; case 0xEB: EX(rDE, rHL); break; case 0xEC: CALL(cPE, READ_MEM_16()); break; case 0xED: MISC_INSTRUCTIONS(); break; case 0xEE: XOR(READ_MEM_8()); break; case 0xEF: RST(0x28); break; case 0xF0: RET(cP); break; case 0xF1: POP(_rAF); break; case 0xF2: JP(cP, READ_MEM_16()); break; case 0xF3: DI(); break; case 0xF4: CALL(cP, READ_MEM_16()); break; case 0xF5: PUSH(rAF); break; case 0xF6: OR(READ_MEM_8()); break; case 0xF7: RST(0x30); break; case 0xF8: RET(cM); break; case 0xF9: rSP = rHL; t+=2; break; case 0xFA: JP(cM, READ_MEM_16()); break; case 0xFB: EI(); break; case 0xFC: CALL(cM, READ_MEM_16()); break; case 0xFD: IY_INSTRUCTIONS(); break; case 0xFE: CP(READ_MEM_8()); break; case 0xFF: RST(0x38); break; } } while (opcode_ignored); if (pending_ei==2) { pending_ei=0; actualEI(); } if (pending_ei==1) pending_ei=2; z80debug::setcursor(rPC); z80debug::history::store(); return t; } void BIT_INSTRUCTIONS() { const uint8_t opcode = READ_M1(); z80debug::useOpcode(opcode, 2); switch (opcode) { case 0x00: rB = RLC(rB); break; case 0x01: rC = RLC(rC); break; case 0x02: rD = RLC(rD); break; case 0x03: rE = RLC(rE); break; case 0x04: rH = RLC(rH); break; case 0x05: rL = RLC(rL); break; case 0x06: WRITE_MEM_8(rHL, RLC(READ_MEM_8(rHL)));t++;break; case 0x07: rA = RLC(rA); break; case 0x08: rB = RRC(rB); break; case 0x09: rC = RRC(rC); break; case 0x0A: rD = RRC(rD); break; case 0x0B: rE = RRC(rE); break; case 0x0C: rH = RRC(rH); break; case 0x0D: rL = RRC(rL); break; case 0x0E: WRITE_MEM_8(rHL, RRC(READ_MEM_8(rHL)));t++;break; case 0x0F: rA = RRC(rA); break; case 0x10: rB = RL(rB); break; case 0x11: rC = RL(rC); break; case 0x12: rD = RL(rD); break; case 0x13: rE = RL(rE); break; case 0x14: rH = RL(rH); break; case 0x15: rL = RL(rL); break; case 0x16: WRITE_MEM_8(rHL, RL(READ_MEM_8(rHL)));t++;break; case 0x17: rA = RL(rA); break; case 0x18: rB = RR(rB); break; case 0x19: rC = RR(rC); break; case 0x1A: rD = RR(rD); break; case 0x1B: rE = RR(rE); break; case 0x1C: rH = RR(rH); break; case 0x1D: rL = RR(rL); break; case 0x1E: WRITE_MEM_8(rHL, RR(READ_MEM_8(rHL)));t++;break; case 0x1F: rA = RR(rA); break; case 0x20: rB = SLA(rB); break; case 0x21: rC = SLA(rC); break; case 0x22: rD = SLA(rD); break; case 0x23: rE = SLA(rE); break; case 0x24: rH = SLA(rH); break; case 0x25: rL = SLA(rL); break; case 0x26: WRITE_MEM_8(rHL, SLA(READ_MEM_8(rHL)));t++;break; case 0x27: rA = SLA(rA); break; case 0x28: rB = SRA(rB); break; case 0x29: rC = SRA(rC); break; case 0x2A: rD = SRA(rD); break; case 0x2B: rE = SRA(rE); break; case 0x2C: rH = SRA(rH); break; case 0x2D: rL = SRA(rL); break; case 0x2E: WRITE_MEM_8(rHL, SRA(READ_MEM_8(rHL)));t++;break; case 0x2F: rA = SRA(rA); break; case 0x30: rB = SLL(rB); break; case 0x31: rC = SLL(rC); break; case 0x32: rD = SLL(rD); break; case 0x33: rE = SLL(rE); break; case 0x34: rH = SLL(rH); break; case 0x35: rL = SLL(rL); break; case 0x36: WRITE_MEM_8(rHL, SLL(READ_MEM_8(rHL)));t++;break; case 0x37: rA = SLL(rA); break; case 0x38: rB = SRL(rB); break; case 0x39: rC = SRL(rC); break; case 0x3A: rD = SRL(rD); break; case 0x3B: rE = SRL(rE); break; case 0x3C: rH = SRL(rH); break; case 0x3D: rL = SRL(rL); break; case 0x3E: WRITE_MEM_8(rHL, SRL(READ_MEM_8(rHL)));t++;break; case 0x3F: rA = SRL(rA); break; case 0x40: BIT(0, rB); break; case 0x41: BIT(0, rC); break; case 0x42: BIT(0, rD); break; case 0x43: BIT(0, rE); break; case 0x44: BIT(0, rH); break; case 0x45: BIT(0, rL); break; case 0x46: BIT(0, READ_MEM_8(rHL)); t++; break; case 0x47: BIT(0, rA); break; case 0x48: BIT(1, rB); break; case 0x49: BIT(1, rC); break; case 0x4A: BIT(1, rD); break; case 0x4B: BIT(1, rE); break; case 0x4C: BIT(1, rH); break; case 0x4D: BIT(1, rL); break; case 0x4E: BIT(1, READ_MEM_8(rHL)); t++; break; case 0x4F: BIT(1, rA); break; case 0x50: BIT(2, rB); break; case 0x51: BIT(2, rC); break; case 0x52: BIT(2, rD); break; case 0x53: BIT(2, rE); break; case 0x54: BIT(2, rH); break; case 0x55: BIT(2, rL); break; case 0x56: BIT(2, READ_MEM_8(rHL)); t++; break; case 0x57: BIT(2, rA); break; case 0x58: BIT(3, rB); break; case 0x59: BIT(3, rC); break; case 0x5A: BIT(3, rD); break; case 0x5B: BIT(3, rE); break; case 0x5C: BIT(3, rH); break; case 0x5D: BIT(3, rL); break; case 0x5E: BIT(3, READ_MEM_8(rHL)); t++; break; case 0x5F: BIT(3, rA); break; case 0x60: BIT(4, rB); break; case 0x61: BIT(4, rC); break; case 0x62: BIT(4, rD); break; case 0x63: BIT(4, rE); break; case 0x64: BIT(4, rH); break; case 0x65: BIT(4, rL); break; case 0x66: BIT(4, READ_MEM_8(rHL)); t++; break; case 0x67: BIT(4, rA); break; case 0x68: BIT(5, rB); break; case 0x69: BIT(5, rC); break; case 0x6A: BIT(5, rD); break; case 0x6B: BIT(5, rE); break; case 0x6C: BIT(5, rH); break; case 0x6D: BIT(5, rL); break; case 0x6E: BIT(5, READ_MEM_8(rHL)); t++; break; case 0x6F: BIT(5, rA); break; case 0x70: BIT(6, rB); break; case 0x71: BIT(6, rC); break; case 0x72: BIT(6, rD); break; case 0x73: BIT(6, rE); break; case 0x74: BIT(6, rH); break; case 0x75: BIT(6, rL); break; case 0x76: BIT(6, READ_MEM_8(rHL)); t++; break; case 0x77: BIT(6, rA); break; case 0x78: BIT(7, rB); break; case 0x79: BIT(7, rC); break; case 0x7A: BIT(7, rD); break; case 0x7B: BIT(7, rE); break; case 0x7C: BIT(7, rH); break; case 0x7D: BIT(7, rL); break; case 0x7E: BIT(7, READ_MEM_8(rHL)); t++; break; case 0x7F: BIT(7, rA); break; case 0x80: rB = RES(0, rB); break; case 0x81: rC = RES(0, rC); break; case 0x82: rD = RES(0, rD); break; case 0x83: rE = RES(0, rE); break; case 0x84: rH = RES(0, rH); break; case 0x85: rL = RES(0, rL); break; case 0x86: WRITE_MEM_8(rHL, RES(0, READ_MEM_8(rHL)));t++;break; case 0x87: rA = RES(0, rA); break; case 0x88: rB = RES(1, rB); break; case 0x89: rC = RES(1, rC); break; case 0x8A: rD = RES(1, rD); break; case 0x8B: rE = RES(1, rE); break; case 0x8C: rH = RES(1, rH); break; case 0x8D: rL = RES(1, rL); break; case 0x8E: WRITE_MEM_8(rHL, RES(1, READ_MEM_8(rHL)));t++;break; case 0x8F: rA = RES(1, rA); break; case 0x90: rB = RES(2, rB); break; case 0x91: rC = RES(2, rC); break; case 0x92: rD = RES(2, rD); break; case 0x93: rE = RES(2, rE); break; case 0x94: rH = RES(2, rH); break; case 0x95: rL = RES(2, rL); break; case 0x96: WRITE_MEM_8(rHL, RES(2, READ_MEM_8(rHL)));t++;break; case 0x97: rA = RES(2, rA); break; case 0x98: rB = RES(3, rB); break; case 0x99: rC = RES(3, rC); break; case 0x9A: rD = RES(3, rD); break; case 0x9B: rE = RES(3, rE); break; case 0x9C: rH = RES(3, rH); break; case 0x9D: rL = RES(3, rL); break; case 0x9E: WRITE_MEM_8(rHL, RES(3, READ_MEM_8(rHL)));t++;break; case 0x9F: rA = RES(3, rA); break; case 0xA0: rB = RES(4, rB); break; case 0xA1: rC = RES(4, rC); break; case 0xA2: rD = RES(4, rD); break; case 0xA3: rE = RES(4, rE); break; case 0xA4: rH = RES(4, rH); break; case 0xA5: rL = RES(4, rL); break; case 0xA6: WRITE_MEM_8(rHL, RES(4, READ_MEM_8(rHL)));t++;break; case 0xA7: rA = RES(4, rA); break; case 0xA8: rB = RES(5, rB); break; case 0xA9: rC = RES(5, rC); break; case 0xAA: rD = RES(5, rD); break; case 0xAB: rE = RES(5, rE); break; case 0xAC: rH = RES(5, rH); break; case 0xAD: rL = RES(5, rL); break; case 0xAE: WRITE_MEM_8(rHL, RES(5, READ_MEM_8(rHL)));t++;break; case 0xAF: rA = RES(5, rA); break; case 0xB0: rB = RES(6, rB); break; case 0xB1: rC = RES(6, rC); break; case 0xB2: rD = RES(6, rD); break; case 0xB3: rE = RES(6, rE); break; case 0xB4: rH = RES(6, rH); break; case 0xB5: rL = RES(6, rL); break; case 0xB6: WRITE_MEM_8(rHL, RES(6, READ_MEM_8(rHL)));t++;break; case 0xB7: rA = RES(6, rA); break; case 0xB8: rB = RES(7, rB); break; case 0xB9: rC = RES(7, rC); break; case 0xBA: rD = RES(7, rD); break; case 0xBB: rE = RES(7, rE); break; case 0xBC: rH = RES(7, rH); break; case 0xBD: rL = RES(7, rL); break; case 0xBE: WRITE_MEM_8(rHL, RES(7, READ_MEM_8(rHL)));t++;break; case 0xBF: rA = RES(7, rA); break; case 0xC0: rB = SET(0, rB); break; case 0xC1: rC = SET(0, rC); break; case 0xC2: rD = SET(0, rD); break; case 0xC3: rE = SET(0, rE); break; case 0xC4: rH = SET(0, rH); break; case 0xC5: rL = SET(0, rL); break; case 0xC6: WRITE_MEM_8(rHL, SET(0, READ_MEM_8(rHL)));t++;break; case 0xC7: rA = SET(0, rA); break; case 0xC8: rB = SET(1, rB); break; case 0xC9: rC = SET(1, rC); break; case 0xCA: rD = SET(1, rD); break; case 0xCB: rE = SET(1, rE); break; case 0xCC: rH = SET(1, rH); break; case 0xCD: rL = SET(1, rL); break; case 0xCE: WRITE_MEM_8(rHL, SET(1, READ_MEM_8(rHL)));t++;break; case 0xCF: rA = SET(1, rA); break; case 0xD0: rB = SET(2, rB); break; case 0xD1: rC = SET(2, rC); break; case 0xD2: rD = SET(2, rD); break; case 0xD3: rE = SET(2, rE); break; case 0xD4: rH = SET(2, rH); break; case 0xD5: rL = SET(2, rL); break; case 0xD6: WRITE_MEM_8(rHL, SET(2, READ_MEM_8(rHL)));t++;break; case 0xD7: rA = SET(2, rA); break; case 0xD8: rB = SET(3, rB); break; case 0xD9: rC = SET(3, rC); break; case 0xDA: rD = SET(3, rD); break; case 0xDB: rE = SET(3, rE); break; case 0xDC: rH = SET(3, rH); break; case 0xDD: rL = SET(3, rL); break; case 0xDE: WRITE_MEM_8(rHL, SET(3, READ_MEM_8(rHL)));t++;break; case 0xDF: rA = SET(3, rA); break; case 0xE0: rB = SET(4, rB); break; case 0xE1: rC = SET(4, rC); break; case 0xE2: rD = SET(4, rD); break; case 0xE3: rE = SET(4, rE); break; case 0xE4: rH = SET(4, rH); break; case 0xE5: rL = SET(4, rL); break; case 0xE6: WRITE_MEM_8(rHL, SET(4, READ_MEM_8(rHL)));t++;break; case 0xE7: rA = SET(4, rA); break; case 0xE8: rB = SET(5, rB); break; case 0xE9: rC = SET(5, rC); break; case 0xEA: rD = SET(5, rD); break; case 0xEB: rE = SET(5, rE); break; case 0xEC: rH = SET(5, rH); break; case 0xED: rL = SET(5, rL); break; case 0xEE: WRITE_MEM_8(rHL, SET(5, READ_MEM_8(rHL)));t++;break; case 0xEF: rA = SET(5, rA); break; case 0xF0: rB = SET(6, rB); break; case 0xF1: rC = SET(6, rC); break; case 0xF2: rD = SET(6, rD); break; case 0xF3: rE = SET(6, rE); break; case 0xF4: rH = SET(6, rH); break; case 0xF5: rL = SET(6, rL); break; case 0xF6: WRITE_MEM_8(rHL, SET(6, READ_MEM_8(rHL)));t++;break; case 0xF7: rA = SET(6, rA); break; case 0xF8: rB = SET(7, rB); break; case 0xF9: rC = SET(7, rC); break; case 0xFA: rD = SET(7, rD); break; case 0xFB: rE = SET(7, rE); break; case 0xFC: rH = SET(7, rH); break; case 0xFD: rL = SET(7, rL); break; case 0xFE: WRITE_MEM_8(rHL, SET(7, READ_MEM_8(rHL)));t++;break; case 0xFF: rA = SET(7, rA); break; } } void IgnoreOpcode() { t-=3; rPC--; opcode_ignored=true; } void IX_INSTRUCTIONS() { const uint8_t opcode = READ_M1(); int8_t d; if (opcode!=0xCB) z80debug::useOpcode(opcode, 3); switch (opcode) { case 0x00: IgnoreOpcode(); break; case 0x01: IgnoreOpcode(); break; case 0x02: IgnoreOpcode(); break; case 0x03: IgnoreOpcode(); break; case 0x04: INC8(_rB); break; case 0x05: DEC8(_rB); break; case 0x06: rB = READ_MEM_8(); break; case 0x07: IgnoreOpcode(); break; case 0x08: IgnoreOpcode(); break; case 0x09: ADD16(_rIX, rBC); break; case 0x0A: IgnoreOpcode(); break; case 0x0B: IgnoreOpcode(); break; case 0x0C: INC8(_rC); break; case 0x0D: DEC8(_rC); break; case 0x0E: rC = READ_MEM_8(); break; case 0x0F: IgnoreOpcode(); break; case 0x10: IgnoreOpcode(); break; case 0x11: IgnoreOpcode(); break; case 0x12: IgnoreOpcode(); break; case 0x13: IgnoreOpcode(); break; case 0x14: INC8(_rD); break; case 0x15: DEC8(_rD); break; case 0x16: rD = READ_MEM_8(); break; case 0x17: IgnoreOpcode(); break; case 0x18: IgnoreOpcode(); break; case 0x19: ADD16(_rIX, rDE); break; case 0x1A: IgnoreOpcode(); break; case 0x1B: IgnoreOpcode(); break; case 0x1C: INC8(_rE); break; case 0x1D: DEC8(_rE); break; case 0x1E: rE = READ_MEM_8(); break; case 0x1F: IgnoreOpcode(); break; case 0x20: IgnoreOpcode(); break; case 0x21: rIX = READ_MEM_16(); break; case 0x22: WRITE_MEM_16(READ_MEM_16(),rIX); break; case 0x23: INC16(_rIX); break; case 0x24: INC8(_rIXH); break; case 0x25: DEC8(_rIXH); break; case 0x26: rIXH = READ_MEM_8(); break; case 0x27: IgnoreOpcode(); break; case 0x28: IgnoreOpcode(); break; case 0x29: ADD16(_rIX, rIX); break; case 0x2A: rIX = READ_MEM_16(READ_MEM_16());break; case 0x2B: DEC16(_rIX); break; case 0x2C: INC8(_rIXL); break; case 0x2D: DEC8(_rIXL); break; case 0x2E: rIXL = READ_MEM_8(); break; case 0x2F: IgnoreOpcode(); break; case 0x30: IgnoreOpcode(); break; case 0x31: IgnoreOpcode(); break; case 0x32: IgnoreOpcode(); break; case 0x33: IgnoreOpcode(); break; case 0x34: d=READ_MEM_8(); INCMEM8(rIX+d);t+=2; break; case 0x35: d=READ_MEM_8(); DECMEM8(rIX+d);t+=2; break; case 0x36: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, READ_MEM_8()); t+=2; break; case 0x37: IgnoreOpcode(); break; case 0x38: IgnoreOpcode(); break; case 0x39: ADD16(_rIX, rSP); break; case 0x3A: IgnoreOpcode(); break; case 0x3B: IgnoreOpcode(); break; case 0x3C: INC8(_rA); break; case 0x3D: DEC8(_rA); break; case 0x3E: rA = READ_MEM_8(); break; case 0x3F: IgnoreOpcode(); break; case 0x40: rB = rB; break; case 0x41: rB = rC; break; case 0x42: rB = rD; break; case 0x43: rB = rE; break; case 0x44: rB = rIXH; break; case 0x45: rB = rIXL; break; case 0x46: d=READ_MEM_8(); rB = READ_MEM_8(rIX+d);t+=5;break; case 0x47: rB = rA; break; case 0x48: rC = rB; break; case 0x49: rC = rC; break; case 0x4A: rC = rD; break; case 0x4B: rC = rE; break; case 0x4C: rC = rIXH; break; case 0x4D: rC = rIXL; break; case 0x4E: d=READ_MEM_8(); rC = READ_MEM_8(rIX+d);t+=5;break; case 0x4F: rC = rA; break; case 0x50: rD = rB; break; case 0x51: rD = rC; break; case 0x52: rD = rD; break; case 0x53: rD = rE; break; case 0x54: rD = rIXH; break; case 0x55: rD = rIXL; break; case 0x56: d=READ_MEM_8(); rD = READ_MEM_8(rIX+d);t+=5;break; case 0x57: rD = rA; break; case 0x58: rE = rB; break; case 0x59: rE = rC; break; case 0x5A: rE = rD; break; case 0x5B: rE = rE; break; case 0x5C: rE = rIXH; break; case 0x5D: rE = rIXL; break; case 0x5E: d=READ_MEM_8(); rE = READ_MEM_8(rIX+d);t+=5;break; case 0x5F: rE = rA; break; case 0x60: rIXH = rB; break; case 0x61: rIXH = rC; break; case 0x62: rIXH = rD; break; case 0x63: rIXH = rE; break; case 0x64: rIXH = rIXH; break; case 0x65: rIXH = rIXL; break; case 0x66: d=READ_MEM_8(); rH = READ_MEM_8(rIX+d);t+=5;break; case 0x67: rIXH = rA; break; case 0x68: rIXL = rB; break; case 0x69: rIXL = rC; break; case 0x6A: rIXL = rD; break; case 0x6B: rIXL = rE; break; case 0x6C: rIXL = rIXH; break; case 0x6D: rIXL = rIXL; break; case 0x6E: d=READ_MEM_8(); rL = READ_MEM_8(rIX+d);t+=5;break; case 0x6F: rIXL = rA; break; case 0x70: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rB);t+=5;break; case 0x71: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rC);t+=5;break; case 0x72: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rD);t+=5;break; case 0x73: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rE);t+=5;break; case 0x74: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rH);t+=5;break; case 0x75: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rL);t+=5;break; case 0x76: IgnoreOpcode(); break; case 0x77: d=READ_MEM_8(); WRITE_MEM_8(rIX+d, rA);t+=5;break; case 0x78: rA = rB; break; case 0x79: rA = rC; break; case 0x7A: rA = rD; break; case 0x7B: rA = rE; break; case 0x7C: rA = rIXH; break; case 0x7D: rA = rIXL; break; case 0x7E: d=READ_MEM_8(); rA = READ_MEM_8(rIX+d);t+=5;break; case 0x7F: rA = rA; break; case 0x80: ADD8(rB); break; case 0x81: ADD8(rC); break; case 0x82: ADD8(rD); break; case 0x83: ADD8(rE); break; case 0x84: ADD8(rIXH); break; case 0x85: ADD8(rIXL); break; case 0x86: d=READ_MEM_8(); ADD8(READ_MEM_8(rIX+d));t+=5; break; case 0x87: ADD8(rA); break; case 0x88: ADC8(rB); break; case 0x89: ADC8(rC); break; case 0x8A: ADC8(rD); break; case 0x8B: ADC8(rE); break; case 0x8C: ADC8(rIXH); break; case 0x8D: ADC8(rIXL); break; case 0x8E: d=READ_MEM_8(); ADC8(READ_MEM_8(rIX+d));t+=5; break; case 0x8F: ADC8(rA); break; case 0x90: SUB8(rB); break; case 0x91: SUB8(rC); break; case 0x92: SUB8(rD); break; case 0x93: SUB8(rE); break; case 0x94: SUB8(rIXH); break; case 0x95: SUB8(rIXL); break; case 0x96: d=READ_MEM_8(); SUB8(READ_MEM_8(rIX+d));t+=5; break; case 0x97: SUB8(rA); break; case 0x98: SBC8(rB); break; case 0x99: SBC8(rC); break; case 0x9A: SBC8(rD); break; case 0x9B: SBC8(rE); break; case 0x9C: SBC8(rIXH); break; case 0x9D: SBC8(rIXL); break; case 0x9E: d=READ_MEM_8(); SBC8(READ_MEM_8(rIX+d));t+=5; break; case 0x9F: SBC8(rA); break; case 0xA0: AND(rB); break; case 0xA1: AND(rC); break; case 0xA2: AND(rD); break; case 0xA3: AND(rE); break; case 0xA4: AND(rIXH); break; case 0xA5: AND(rIXL); break; case 0xA6: d=READ_MEM_8(); AND(READ_MEM_8(rIX+d));t+=5; break; case 0xA7: AND(rA); break; case 0xA8: XOR(rB); break; case 0xA9: XOR(rC); break; case 0xAA: XOR(rD); break; case 0xAB: XOR(rE); break; case 0xAC: XOR(rIXH); break; case 0xAD: XOR(rIXL); break; case 0xAE: d=READ_MEM_8(); XOR(READ_MEM_8(rIX+d));t+=5; break; case 0xAF: XOR(rA); break; case 0xB0: OR(rB); break; case 0xB1: OR(rC); break; case 0xB2: OR(rD); break; case 0xB3: OR(rE); break; case 0xB4: OR(rIXH); break; case 0xB5: OR(rIXL); break; case 0xB6: d=READ_MEM_8(); OR(READ_MEM_8(rIX+d));t+=5; break; case 0xB7: OR(rA); break; case 0xB8: CP(rB); break; case 0xB9: CP(rC); break; case 0xBA: CP(rD); break; case 0xBB: CP(rE); break; case 0xBC: CP(rIXH); break; case 0xBD: CP(rIXL); break; case 0xBE: d=READ_MEM_8(); CP(READ_MEM_8(rIX+d));t+=5; break; case 0xBF: CP(rA); break; case 0xCB: IX_BIT_INSTRUCTIONS(); break; case 0xE1: POP(_rIX); break; case 0xE3: EX_MEM(_rIX, rSP); break; case 0xE5: PUSH(rIX); break; case 0xE9: JP(cNO, rIX); break; case 0xF9: rSP = rIX; t+=2; break; default: IgnoreOpcode(); break; } } void IX_BIT_INSTRUCTIONS() { const int8_t d = READ_MEM_8(); const uint8_t opcode = READ_MEM_8(); t+=3; z80debug::useOpcode(opcode, 4); switch (opcode) { case 0x00: rB = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x01: rC = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x02: rD = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x03: rE = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x04: rH = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x05: rL = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x06: WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x07: rA = WRITE_MEM_8(rIX+d, RLC(READ_MEM_8(rIX+d))); break; case 0x08: rB = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x09: rC = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x0A: rD = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x0B: rE = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x0C: rH = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x0D: rL = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x0E: WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x0F: rA = WRITE_MEM_8(rIX+d, RRC(READ_MEM_8(rIX+d))); break; case 0x10: rB = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x11: rC = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x12: rD = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x13: rE = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x14: rH = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x15: rL = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x16: WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x17: rA = WRITE_MEM_8(rIX+d, RL(READ_MEM_8(rIX+d))); break; case 0x18: rB = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x19: rC = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x1A: rD = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x1B: rE = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x1C: rH = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x1D: rL = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x1E: WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x1F: rA = WRITE_MEM_8(rIX+d, RR(READ_MEM_8(rIX+d))); break; case 0x20: rB = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x21: rC = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x22: rD = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x23: rE = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x24: rH = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x25: rL = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x26: WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x27: rA = WRITE_MEM_8(rIX+d, SLA(READ_MEM_8(rIX+d))); break; case 0x28: rB = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x29: rC = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x2A: rD = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x2B: rE = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x2C: rH = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x2D: rL = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x2E: WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x2F: rA = WRITE_MEM_8(rIX+d, SRA(READ_MEM_8(rIX+d))); break; case 0x30: rB = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x31: rC = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x32: rD = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x33: rE = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x34: rH = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x35: rL = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x36: WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x37: rA = WRITE_MEM_8(rIX+d, SLL(READ_MEM_8(rIX+d))); break; case 0x38: rB = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x39: rC = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x3A: rD = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x3B: rE = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x3C: rH = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x3D: rL = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x3E: WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x3F: rA = WRITE_MEM_8(rIX+d, SRL(READ_MEM_8(rIX+d))); break; case 0x40: BIT(0, READ_MEM_8(rIX+d)); break; case 0x41: BIT(0, READ_MEM_8(rIX+d)); break; case 0x42: BIT(0, READ_MEM_8(rIX+d)); break; case 0x43: BIT(0, READ_MEM_8(rIX+d)); break; case 0x44: BIT(0, READ_MEM_8(rIX+d)); break; case 0x45: BIT(0, READ_MEM_8(rIX+d)); break; case 0x46: BIT(0, READ_MEM_8(rIX+d)); break; case 0x47: BIT(0, READ_MEM_8(rIX+d)); break; case 0x48: BIT(1, READ_MEM_8(rIX+d)); break; case 0x49: BIT(1, READ_MEM_8(rIX+d)); break; case 0x4A: BIT(1, READ_MEM_8(rIX+d)); break; case 0x4B: BIT(1, READ_MEM_8(rIX+d)); break; case 0x4C: BIT(1, READ_MEM_8(rIX+d)); break; case 0x4D: BIT(1, READ_MEM_8(rIX+d)); break; case 0x4E: BIT(1, READ_MEM_8(rIX+d)); break; case 0x4F: BIT(1, READ_MEM_8(rIX+d)); break; case 0x50: BIT(2, READ_MEM_8(rIX+d)); break; case 0x51: BIT(2, READ_MEM_8(rIX+d)); break; case 0x52: BIT(2, READ_MEM_8(rIX+d)); break; case 0x53: BIT(2, READ_MEM_8(rIX+d)); break; case 0x54: BIT(2, READ_MEM_8(rIX+d)); break; case 0x55: BIT(2, READ_MEM_8(rIX+d)); break; case 0x56: BIT(2, READ_MEM_8(rIX+d)); break; case 0x57: BIT(2, READ_MEM_8(rIX+d)); break; case 0x58: BIT(3, READ_MEM_8(rIX+d)); break; case 0x59: BIT(3, READ_MEM_8(rIX+d)); break; case 0x5A: BIT(3, READ_MEM_8(rIX+d)); break; case 0x5B: BIT(3, READ_MEM_8(rIX+d)); break; case 0x5C: BIT(3, READ_MEM_8(rIX+d)); break; case 0x5D: BIT(3, READ_MEM_8(rIX+d)); break; case 0x5E: BIT(3, READ_MEM_8(rIX+d)); break; case 0x5F: BIT(3, READ_MEM_8(rIX+d)); break; case 0x60: BIT(4, READ_MEM_8(rIX+d)); break; case 0x61: BIT(4, READ_MEM_8(rIX+d)); break; case 0x62: BIT(4, READ_MEM_8(rIX+d)); break; case 0x63: BIT(4, READ_MEM_8(rIX+d)); break; case 0x64: BIT(4, READ_MEM_8(rIX+d)); break; case 0x65: BIT(4, READ_MEM_8(rIX+d)); break; case 0x66: BIT(4, READ_MEM_8(rIX+d)); break; case 0x67: BIT(4, READ_MEM_8(rIX+d)); break; case 0x68: BIT(5, READ_MEM_8(rIX+d)); break; case 0x69: BIT(5, READ_MEM_8(rIX+d)); break; case 0x6A: BIT(5, READ_MEM_8(rIX+d)); break; case 0x6B: BIT(5, READ_MEM_8(rIX+d)); break; case 0x6C: BIT(5, READ_MEM_8(rIX+d)); break; case 0x6D: BIT(5, READ_MEM_8(rIX+d)); break; case 0x6E: BIT(5, READ_MEM_8(rIX+d)); break; case 0x6F: BIT(5, READ_MEM_8(rIX+d)); break; case 0x70: BIT(6, READ_MEM_8(rIX+d)); break; case 0x71: BIT(6, READ_MEM_8(rIX+d)); break; case 0x72: BIT(6, READ_MEM_8(rIX+d)); break; case 0x73: BIT(6, READ_MEM_8(rIX+d)); break; case 0x74: BIT(6, READ_MEM_8(rIX+d)); break; case 0x75: BIT(6, READ_MEM_8(rIX+d)); break; case 0x76: BIT(6, READ_MEM_8(rIX+d)); break; case 0x77: BIT(6, READ_MEM_8(rIX+d)); break; case 0x78: BIT(7, READ_MEM_8(rIX+d)); break; case 0x79: BIT(7, READ_MEM_8(rIX+d)); break; case 0x7A: BIT(7, READ_MEM_8(rIX+d)); break; case 0x7B: BIT(7, READ_MEM_8(rIX+d)); break; case 0x7C: BIT(7, READ_MEM_8(rIX+d)); break; case 0x7D: BIT(7, READ_MEM_8(rIX+d)); break; case 0x7E: BIT(7, READ_MEM_8(rIX+d)); break; case 0x7F: BIT(7, READ_MEM_8(rIX+d)); break; case 0x80: rB = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x81: rC = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x82: rD = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x83: rE = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x84: rH = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x85: rL = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x86: WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x87: rA = WRITE_MEM_8(rIX+d, RES(0, READ_MEM_8(rIX+d))); break; case 0x88: rB = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x89: rC = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x8A: rD = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x8B: rE = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x8C: rH = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x8D: rL = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x8E: WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x8F: rA = WRITE_MEM_8(rIX+d, RES(1, READ_MEM_8(rIX+d))); break; case 0x90: rB = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x91: rC = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x92: rD = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x93: rE = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x94: rH = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x95: rL = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x96: WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x97: rA = WRITE_MEM_8(rIX+d, RES(2, READ_MEM_8(rIX+d))); break; case 0x98: rB = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x99: rC = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x9A: rD = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x9B: rE = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x9C: rH = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x9D: rL = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x9E: WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0x9F: rA = WRITE_MEM_8(rIX+d, RES(3, READ_MEM_8(rIX+d))); break; case 0xA0: rB = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA1: rC = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA2: rD = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA3: rE = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA4: rH = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA5: rL = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA6: WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA7: rA = WRITE_MEM_8(rIX+d, RES(4, READ_MEM_8(rIX+d))); break; case 0xA8: rB = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xA9: rC = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xAA: rD = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xAB: rE = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xAC: rH = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xAD: rL = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xAE: WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xAF: rA = WRITE_MEM_8(rIX+d, RES(5, READ_MEM_8(rIX+d))); break; case 0xB0: rB = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB1: rC = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB2: rD = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB3: rE = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB4: rH = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB5: rL = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB6: WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB7: rA = WRITE_MEM_8(rIX+d, RES(6, READ_MEM_8(rIX+d))); break; case 0xB8: rB = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xB9: rC = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xBA: rD = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xBB: rE = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xBC: rH = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xBD: rL = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xBE: WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xBF: rA = WRITE_MEM_8(rIX+d, RES(7, READ_MEM_8(rIX+d))); break; case 0xC0: rB = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC1: rC = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC2: rD = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC3: rE = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC4: rH = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC5: rL = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC6: WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC7: rA = WRITE_MEM_8(rIX+d, SET(0, READ_MEM_8(rIX+d))); break; case 0xC8: rB = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xC9: rC = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xCA: rD = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xCB: rE = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xCC: rH = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xCD: rL = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xCE: WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xCF: rA = WRITE_MEM_8(rIX+d, SET(1, READ_MEM_8(rIX+d))); break; case 0xD0: rB = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD1: rC = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD2: rD = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD3: rE = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD4: rH = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD5: rL = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD6: WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD7: rA = WRITE_MEM_8(rIX+d, SET(2, READ_MEM_8(rIX+d))); break; case 0xD8: rB = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xD9: rC = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xDA: rD = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xDB: rE = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xDC: rH = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xDD: rL = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xDE: WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xDF: rA = WRITE_MEM_8(rIX+d, SET(3, READ_MEM_8(rIX+d))); break; case 0xE0: rB = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE1: rC = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE2: rD = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE3: rE = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE4: rH = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE5: rL = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE6: WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE7: rA = WRITE_MEM_8(rIX+d, SET(4, READ_MEM_8(rIX+d))); break; case 0xE8: rB = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xE9: rC = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xEA: rD = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xEB: rE = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xEC: rH = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xED: rL = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xEE: WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xEF: rA = WRITE_MEM_8(rIX+d, SET(5, READ_MEM_8(rIX+d))); break; case 0xF0: rB = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF1: rC = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF2: rD = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF3: rE = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF4: rH = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF5: rL = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF6: WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF7: rA = WRITE_MEM_8(rIX+d, SET(6, READ_MEM_8(rIX+d))); break; case 0xF8: rB = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xF9: rC = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xFA: rD = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xFB: rE = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xFC: rH = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xFD: rL = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xFE: WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; case 0xFF: rA = WRITE_MEM_8(rIX+d, SET(7, READ_MEM_8(rIX+d))); break; } } void MISC_INSTRUCTIONS() { const uint8_t opcode = READ_M1(); z80debug::useOpcode(opcode, 1); rR = (rR&0x80) + ((rR+1) & 0x7f); uint16_t tmp; switch (opcode) { case 0x40: rB = IN(); break; case 0x41: OUT(rB, rC); break; case 0x42: SBC16(_rHL, rBC); break; case 0x43: WRITE_MEM_16(READ_MEM_16(), rBC);break; case 0x44: NEG(); break; case 0x45: RETN(); break; case 0x46: IM(0); break; case 0x47: rI = rA; t++; break; case 0x48: rC = IN(); break; case 0x49: OUT(rC, rC); break; case 0x4A: ADC16(_rHL, rBC); break; case 0x4B: rBC = READ_MEM_16(READ_MEM_16());break; case 0x4D: RETI(); break; case 0x4F: rR = rA; t++; break; case 0x50: rD = IN(); break; case 0x51: OUT(rD, rC); break; case 0x52: SBC16(_rHL, rDE); break; case 0x53: WRITE_MEM_16(READ_MEM_16(), rDE);break; case 0x56: IM(1); break; case 0x57: LD_A_I(); break; case 0x58: rE = IN(); break; case 0x59: OUT(rE, rC); break; case 0x5A: ADC16(_rHL, rDE); break; case 0x5B: rDE = READ_MEM_16(READ_MEM_16());break; case 0x5E: IM(2); break; case 0x5F: LD_A_R(); break; case 0x60: rH = IN(); break; case 0x61: OUT(rH, rC); break; case 0x62: SBC16(_rHL, rHL); break; case 0x63: WRITE_MEM_16(READ_MEM_16(), rHL);break; case 0x67: RRD(); break; case 0x68: rL = IN(); break; case 0x69: OUT(rL, rC); break; case 0x6A: ADC16(_rHL, rHL); break; case 0x6B: rHL = READ_MEM_16(READ_MEM_16());break; case 0x6F: RLD(); break; case 0x70: IN(); break; case 0x71: OUT(0, rC); break; case 0x72: SBC16(_rHL, rSP); break; case 0x73: WRITE_MEM_16(READ_MEM_16(), rSP);break; case 0x78: rA = IN(); break; case 0x79: OUT(rA, rC); break; case 0x7A: ADC16(_rHL, rSP); break; case 0x7B: rSP = READ_MEM_16(READ_MEM_16());break; case 0xA0: LDI(); break; case 0xA1: CPI(); break; case 0xA2: INI(); break; case 0xA3: OUTI(); break; case 0xA8: LDD(); break; case 0xA9: CPD(); break; case 0xAA: IND(); break; case 0xAB: OUTD(); break; case 0xB0: LDIR(); break; case 0xB1: CPIR(); break; case 0xB2: INIR(); break; case 0xB3: OUTIR(); break; case 0xB8: LDDR(); break; case 0xB9: CPDR(); break; case 0xBA: INDR(); break; case 0xBB: OUTDR(); break; default: INVALID(opcode); break; } } void IY_INSTRUCTIONS() { const uint8_t opcode = READ_M1(); int8_t d; if (opcode!=0xCB) z80debug::useOpcode(opcode, 5); switch (opcode) { case 0x00: IgnoreOpcode(); break; case 0x01: IgnoreOpcode(); break; case 0x02: IgnoreOpcode(); break; case 0x03: IgnoreOpcode(); break; case 0x04: INC8(_rB); break; case 0x05: DEC8(_rB); break; case 0x06: rB = READ_MEM_8(); break; case 0x07: IgnoreOpcode(); break; case 0x08: IgnoreOpcode(); break; case 0x09: ADD16(_rIY, rBC); break; case 0x0A: IgnoreOpcode(); break; case 0x0B: IgnoreOpcode(); break; case 0x0C: INC8(_rC); break; case 0x0D: DEC8(_rC); break; case 0x0E: rC = READ_MEM_8(); break; case 0x0F: IgnoreOpcode(); break; case 0x10: IgnoreOpcode(); break; case 0x11: IgnoreOpcode(); break; case 0x12: IgnoreOpcode(); break; case 0x13: IgnoreOpcode(); break; case 0x14: INC8(_rD); break; case 0x15: DEC8(_rD); break; case 0x16: rD = READ_MEM_8(); break; case 0x17: IgnoreOpcode(); break; case 0x18: IgnoreOpcode(); break; case 0x19: ADD16(_rIY, rDE); break; case 0x1A: IgnoreOpcode(); break; case 0x1B: IgnoreOpcode(); break; case 0x1C: INC8(_rE); break; case 0x1D: DEC8(_rE); break; case 0x1E: rE = READ_MEM_8(); break; case 0x1F: IgnoreOpcode(); break; case 0x20: IgnoreOpcode(); break; case 0x21: rIY = READ_MEM_16(); break; case 0x22: WRITE_MEM_16(READ_MEM_16(),rIY); break; case 0x23: INC16(_rIY); break; case 0x24: INC8(_rIYH); break; case 0x25: DEC8(_rIYH); break; case 0x26: rIYH = READ_MEM_8(); break; case 0x27: IgnoreOpcode(); break; case 0x28: IgnoreOpcode(); break; case 0x29: ADD16(_rIY, rIY); break; case 0x2A: rIY = READ_MEM_16(READ_MEM_16());break; case 0x2B: DEC16(_rIY); break; case 0x2C: INC8(_rIYL); break; case 0x2D: DEC8(_rIYL); break; case 0x2E: rIYL = READ_MEM_8(); break; case 0x2F: IgnoreOpcode(); break; case 0x30: IgnoreOpcode(); break; case 0x31: IgnoreOpcode(); break; case 0x32: IgnoreOpcode(); break; case 0x33: IgnoreOpcode(); break; case 0x34: d=READ_MEM_8(); INCMEM8(rIY+d);t+=2; break; case 0x35: d=READ_MEM_8(); DECMEM8(rIY+d);t+=2; break; case 0x36: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, READ_MEM_8()); t+=2; break; case 0x37: IgnoreOpcode(); break; case 0x38: IgnoreOpcode(); break; case 0x39: ADD16(_rIY, rSP); break; case 0x3A: IgnoreOpcode(); break; case 0x3B: IgnoreOpcode(); break; case 0x3C: INC8(_rA); break; case 0x3D: DEC8(_rA); break; case 0x3E: rA = READ_MEM_8(); break; case 0x3F: IgnoreOpcode(); break; case 0x40: rB = rB; break; case 0x41: rB = rC; break; case 0x42: rB = rD; break; case 0x43: rB = rE; break; case 0x44: rB = rIYH; break; case 0x45: rB = rIYL; break; case 0x46: d=READ_MEM_8(); rB = READ_MEM_8(rIY+d);t+=5;break; case 0x47: rB = rA; break; case 0x48: rC = rB; break; case 0x49: rC = rC; break; case 0x4A: rC = rD; break; case 0x4B: rC = rE; break; case 0x4C: rC = rIYH; break; case 0x4D: rC = rIYL; break; case 0x4E: d=READ_MEM_8(); rC = READ_MEM_8(rIY+d);t+=5;break; case 0x4F: rC = rA; break; case 0x50: rD = rB; break; case 0x51: rD = rC; break; case 0x52: rD = rD; break; case 0x53: rD = rE; break; case 0x54: rD = rIYH; break; case 0x55: rD = rIYL; break; case 0x56: d=READ_MEM_8(); rD = READ_MEM_8(rIY+d);t+=5;break; case 0x57: rD = rA; break; case 0x58: rE = rB; break; case 0x59: rE = rC; break; case 0x5A: rE = rD; break; case 0x5B: rE = rE; break; case 0x5C: rE = rIYH; break; case 0x5D: rE = rIYL; break; case 0x5E: d=READ_MEM_8(); rE = READ_MEM_8(rIY+d);t+=5;break; case 0x5F: rE = rA; break; case 0x60: rIYH = rB; break; case 0x61: rIYH = rC; break; case 0x62: rIYH = rD; break; case 0x63: rIYH = rE; break; case 0x64: rIYH = rIYH; break; case 0x65: rIYH = rIYL; break; case 0x66: d=READ_MEM_8(); rH = READ_MEM_8(rIY+d);t+=5;break; case 0x67: rIYH = rA; break; case 0x68: rIYL = rB; break; case 0x69: rIYL = rC; break; case 0x6A: rIYL = rD; break; case 0x6B: rIYL = rE; break; case 0x6C: rIYL = rIYH; break; case 0x6D: rIYL = rIYL; break; case 0x6E: d=READ_MEM_8(); rL = READ_MEM_8(rIY+d);t+=5;break; case 0x6F: rIYL = rA; break; case 0x70: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rB);t+=5;break; case 0x71: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rC);t+=5;break; case 0x72: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rD);t+=5;break; case 0x73: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rE);t+=5;break; case 0x74: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rH);t+=5;break; case 0x75: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rL);t+=5;break; case 0x76: IgnoreOpcode(); break; case 0x77: d=READ_MEM_8(); WRITE_MEM_8(rIY+d, rA);t+=5;break; case 0x78: rA = rB; break; case 0x79: rA = rC; break; case 0x7A: rA = rD; break; case 0x7B: rA = rE; break; case 0x7C: rA = rIYH; break; case 0x7D: rA = rIYL; break; case 0x7E: d=READ_MEM_8(); rA = READ_MEM_8(rIY+d);t+=5;break; case 0x7F: rA = rA; break; case 0x80: ADD8(rB); break; case 0x81: ADD8(rC); break; case 0x82: ADD8(rD); break; case 0x83: ADD8(rE); break; case 0x84: ADD8(rIYH); break; case 0x85: ADD8(rIYL); break; case 0x86: d=READ_MEM_8(); ADD8(READ_MEM_8(rIY+d));t+=5; break; case 0x87: ADD8(rA); break; case 0x88: ADC8(rB); break; case 0x89: ADC8(rC); break; case 0x8A: ADC8(rD); break; case 0x8B: ADC8(rE); break; case 0x8C: ADC8(rIYH); break; case 0x8D: ADC8(rIYL); break; case 0x8E: d=READ_MEM_8(); ADC8(READ_MEM_8(rIY+d));t+=5; break; case 0x8F: ADC8(rA); break; case 0x90: SUB8(rB); break; case 0x91: SUB8(rC); break; case 0x92: SUB8(rD); break; case 0x93: SUB8(rE); break; case 0x94: SUB8(rIYH); break; case 0x95: SUB8(rIYL); break; case 0x96: d=READ_MEM_8(); SUB8(READ_MEM_8(rIY+d));t+=5; break; case 0x97: SUB8(rA); break; case 0x98: SBC8(rB); break; case 0x99: SBC8(rC); break; case 0x9A: SBC8(rD); break; case 0x9B: SBC8(rE); break; case 0x9C: SBC8(rIYH); break; case 0x9D: SBC8(rIYL); break; case 0x9E: d=READ_MEM_8(); SBC8(READ_MEM_8(rIY+d));t+=5; break; case 0x9F: SBC8(rA); break; case 0xA0: AND(rB); break; case 0xA1: AND(rC); break; case 0xA2: AND(rD); break; case 0xA3: AND(rE); break; case 0xA4: AND(rIYH); break; case 0xA5: AND(rIYL); break; case 0xA6: d=READ_MEM_8(); AND(READ_MEM_8(rIY+d));t+=5; break; case 0xA7: AND(rA); break; case 0xA8: XOR(rB); break; case 0xA9: XOR(rC); break; case 0xAA: XOR(rD); break; case 0xAB: XOR(rE); break; case 0xAC: XOR(rIYH); break; case 0xAD: XOR(rIYL); break; case 0xAE: d=READ_MEM_8(); XOR(READ_MEM_8(rIY+d));t+=5; break; case 0xAF: XOR(rA); break; case 0xB0: OR(rB); break; case 0xB1: OR(rC); break; case 0xB2: OR(rD); break; case 0xB3: OR(rE); break; case 0xB4: OR(rIYH); break; case 0xB5: OR(rIYL); break; case 0xB6: d=READ_MEM_8(); OR(READ_MEM_8(rIY+d));t+=5; break; case 0xB7: OR(rA); break; case 0xB8: CP(rB); break; case 0xB9: CP(rC); break; case 0xBA: CP(rD); break; case 0xBB: CP(rE); break; case 0xBC: CP(rIYH); break; case 0xBD: CP(rIYL); break; case 0xBE: d=READ_MEM_8(); CP(READ_MEM_8(rIY+d));t+=5; break; case 0xBF: CP(rA); break; case 0xCB: IY_BIT_INSTRUCTIONS(); break; case 0xE1: POP(_rIY); break; case 0xE3: EX_MEM(_rIY, rSP); break; case 0xE5: PUSH(rIY); break; case 0xE9: JP(cNO, rIY); break; case 0xF9: rSP = rIY; t+=2; break; default: IgnoreOpcode(); break; } } void IY_BIT_INSTRUCTIONS() { const int8_t d = READ_MEM_8(); const uint8_t opcode = READ_MEM_8(); t+=3; z80debug::useOpcode(opcode, 6); switch (opcode) { case 0x00: rB = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x01: rC = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x02: rD = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x03: rE = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x04: rH = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x05: rL = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x06: WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x07: rA = WRITE_MEM_8(rIY+d, RLC(READ_MEM_8(rIY+d))); break; case 0x08: rB = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x09: rC = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x0A: rD = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x0B: rE = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x0C: rH = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x0D: rL = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x0E: WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x0F: rA = WRITE_MEM_8(rIY+d, RRC(READ_MEM_8(rIY+d))); break; case 0x10: rB = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x11: rC = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x12: rD = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x13: rE = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x14: rH = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x15: rL = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x16: WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x17: rA = WRITE_MEM_8(rIY+d, RL(READ_MEM_8(rIY+d))); break; case 0x18: rB = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x19: rC = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x1A: rD = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x1B: rE = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x1C: rH = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x1D: rL = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x1E: WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x1F: rA = WRITE_MEM_8(rIY+d, RR(READ_MEM_8(rIY+d))); break; case 0x20: rB = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x21: rC = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x22: rD = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x23: rE = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x24: rH = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x25: rL = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x26: WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x27: rA = WRITE_MEM_8(rIY+d, SLA(READ_MEM_8(rIY+d))); break; case 0x28: rB = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x29: rC = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x2A: rD = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x2B: rE = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x2C: rH = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x2D: rL = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x2E: WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x2F: rA = WRITE_MEM_8(rIY+d, SRA(READ_MEM_8(rIY+d))); break; case 0x30: rB = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x31: rC = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x32: rD = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x33: rE = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x34: rH = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x35: rL = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x36: WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x37: rA = WRITE_MEM_8(rIY+d, SLL(READ_MEM_8(rIY+d))); break; case 0x38: rB = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x39: rC = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x3A: rD = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x3B: rE = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x3C: rH = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x3D: rL = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x3E: WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x3F: rA = WRITE_MEM_8(rIY+d, SRL(READ_MEM_8(rIY+d))); break; case 0x40: BIT(0, READ_MEM_8(rIY+d)); break; case 0x41: BIT(0, READ_MEM_8(rIY+d)); break; case 0x42: BIT(0, READ_MEM_8(rIY+d)); break; case 0x43: BIT(0, READ_MEM_8(rIY+d)); break; case 0x44: BIT(0, READ_MEM_8(rIY+d)); break; case 0x45: BIT(0, READ_MEM_8(rIY+d)); break; case 0x46: BIT(0, READ_MEM_8(rIY+d)); break; case 0x47: BIT(0, READ_MEM_8(rIY+d)); break; case 0x48: BIT(1, READ_MEM_8(rIY+d)); break; case 0x49: BIT(1, READ_MEM_8(rIY+d)); break; case 0x4A: BIT(1, READ_MEM_8(rIY+d)); break; case 0x4B: BIT(1, READ_MEM_8(rIY+d)); break; case 0x4C: BIT(1, READ_MEM_8(rIY+d)); break; case 0x4D: BIT(1, READ_MEM_8(rIY+d)); break; case 0x4E: BIT(1, READ_MEM_8(rIY+d)); break; case 0x4F: BIT(1, READ_MEM_8(rIY+d)); break; case 0x50: BIT(2, READ_MEM_8(rIY+d)); break; case 0x51: BIT(2, READ_MEM_8(rIY+d)); break; case 0x52: BIT(2, READ_MEM_8(rIY+d)); break; case 0x53: BIT(2, READ_MEM_8(rIY+d)); break; case 0x54: BIT(2, READ_MEM_8(rIY+d)); break; case 0x55: BIT(2, READ_MEM_8(rIY+d)); break; case 0x56: BIT(2, READ_MEM_8(rIY+d)); break; case 0x57: BIT(2, READ_MEM_8(rIY+d)); break; case 0x58: BIT(3, READ_MEM_8(rIY+d)); break; case 0x59: BIT(3, READ_MEM_8(rIY+d)); break; case 0x5A: BIT(3, READ_MEM_8(rIY+d)); break; case 0x5B: BIT(3, READ_MEM_8(rIY+d)); break; case 0x5C: BIT(3, READ_MEM_8(rIY+d)); break; case 0x5D: BIT(3, READ_MEM_8(rIY+d)); break; case 0x5E: BIT(3, READ_MEM_8(rIY+d)); break; case 0x5F: BIT(3, READ_MEM_8(rIY+d)); break; case 0x60: BIT(4, READ_MEM_8(rIY+d)); break; case 0x61: BIT(4, READ_MEM_8(rIY+d)); break; case 0x62: BIT(4, READ_MEM_8(rIY+d)); break; case 0x63: BIT(4, READ_MEM_8(rIY+d)); break; case 0x64: BIT(4, READ_MEM_8(rIY+d)); break; case 0x65: BIT(4, READ_MEM_8(rIY+d)); break; case 0x66: BIT(4, READ_MEM_8(rIY+d)); break; case 0x67: BIT(4, READ_MEM_8(rIY+d)); break; case 0x68: BIT(5, READ_MEM_8(rIY+d)); break; case 0x69: BIT(5, READ_MEM_8(rIY+d)); break; case 0x6A: BIT(5, READ_MEM_8(rIY+d)); break; case 0x6B: BIT(5, READ_MEM_8(rIY+d)); break; case 0x6C: BIT(5, READ_MEM_8(rIY+d)); break; case 0x6D: BIT(5, READ_MEM_8(rIY+d)); break; case 0x6E: BIT(5, READ_MEM_8(rIY+d)); break; case 0x6F: BIT(5, READ_MEM_8(rIY+d)); break; case 0x70: BIT(6, READ_MEM_8(rIY+d)); break; case 0x71: BIT(6, READ_MEM_8(rIY+d)); break; case 0x72: BIT(6, READ_MEM_8(rIY+d)); break; case 0x73: BIT(6, READ_MEM_8(rIY+d)); break; case 0x74: BIT(6, READ_MEM_8(rIY+d)); break; case 0x75: BIT(6, READ_MEM_8(rIY+d)); break; case 0x76: BIT(6, READ_MEM_8(rIY+d)); break; case 0x77: BIT(6, READ_MEM_8(rIY+d)); break; case 0x78: BIT(7, READ_MEM_8(rIY+d)); break; case 0x79: BIT(7, READ_MEM_8(rIY+d)); break; case 0x7A: BIT(7, READ_MEM_8(rIY+d)); break; case 0x7B: BIT(7, READ_MEM_8(rIY+d)); break; case 0x7C: BIT(7, READ_MEM_8(rIY+d)); break; case 0x7D: BIT(7, READ_MEM_8(rIY+d)); break; case 0x7E: BIT(7, READ_MEM_8(rIY+d)); break; case 0x7F: BIT(7, READ_MEM_8(rIY+d)); break; case 0x80: rB = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x81: rC = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x82: rD = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x83: rE = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x84: rH = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x85: rL = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x86: WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x87: rA = WRITE_MEM_8(rIY+d, RES(0, READ_MEM_8(rIY+d))); break; case 0x88: rB = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x89: rC = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x8A: rD = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x8B: rE = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x8C: rH = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x8D: rL = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x8E: WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x8F: rA = WRITE_MEM_8(rIY+d, RES(1, READ_MEM_8(rIY+d))); break; case 0x90: rB = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x91: rC = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x92: rD = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x93: rE = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x94: rH = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x95: rL = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x96: WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x97: rA = WRITE_MEM_8(rIY+d, RES(2, READ_MEM_8(rIY+d))); break; case 0x98: rB = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x99: rC = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x9A: rD = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x9B: rE = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x9C: rH = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x9D: rL = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x9E: WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0x9F: rA = WRITE_MEM_8(rIY+d, RES(3, READ_MEM_8(rIY+d))); break; case 0xA0: rB = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA1: rC = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA2: rD = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA3: rE = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA4: rH = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA5: rL = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA6: WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA7: rA = WRITE_MEM_8(rIY+d, RES(4, READ_MEM_8(rIY+d))); break; case 0xA8: rB = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xA9: rC = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xAA: rD = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xAB: rE = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xAC: rH = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xAD: rL = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xAE: WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xAF: rA = WRITE_MEM_8(rIY+d, RES(5, READ_MEM_8(rIY+d))); break; case 0xB0: rB = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB1: rC = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB2: rD = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB3: rE = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB4: rH = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB5: rL = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB6: WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB7: rA = WRITE_MEM_8(rIY+d, RES(6, READ_MEM_8(rIY+d))); break; case 0xB8: rB = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xB9: rC = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xBA: rD = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xBB: rE = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xBC: rH = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xBD: rL = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xBE: WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xBF: rA = WRITE_MEM_8(rIY+d, RES(7, READ_MEM_8(rIY+d))); break; case 0xC0: rB = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC1: rC = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC2: rD = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC3: rE = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC4: rH = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC5: rL = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC6: WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC7: rA = WRITE_MEM_8(rIY+d, SET(0, READ_MEM_8(rIY+d))); break; case 0xC8: rB = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xC9: rC = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xCA: rD = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xCB: rE = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xCC: rH = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xCD: rL = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xCE: WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xCF: rA = WRITE_MEM_8(rIY+d, SET(1, READ_MEM_8(rIY+d))); break; case 0xD0: rB = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD1: rC = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD2: rD = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD3: rE = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD4: rH = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD5: rL = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD6: WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD7: rA = WRITE_MEM_8(rIY+d, SET(2, READ_MEM_8(rIY+d))); break; case 0xD8: rB = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xD9: rC = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xDA: rD = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xDB: rE = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xDC: rH = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xDD: rL = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xDE: WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xDF: rA = WRITE_MEM_8(rIY+d, SET(3, READ_MEM_8(rIY+d))); break; case 0xE0: rB = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE1: rC = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE2: rD = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE3: rE = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE4: rH = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE5: rL = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE6: WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE7: rA = WRITE_MEM_8(rIY+d, SET(4, READ_MEM_8(rIY+d))); break; case 0xE8: rB = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xE9: rC = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xEA: rD = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xEB: rE = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xEC: rH = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xED: rL = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xEE: WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xEF: rA = WRITE_MEM_8(rIY+d, SET(5, READ_MEM_8(rIY+d))); break; case 0xF0: rB = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF1: rC = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF2: rD = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF3: rE = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF4: rH = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF5: rL = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF6: WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF7: rA = WRITE_MEM_8(rIY+d, SET(6, READ_MEM_8(rIY+d))); break; case 0xF8: rB = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xF9: rC = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xFA: rD = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xFB: rE = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xFC: rH = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xFD: rL = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xFE: WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; case 0xFF: rA = WRITE_MEM_8(rIY+d, SET(7, READ_MEM_8(rIY+d))); break; } } //uint8_t *getMem() { return memory; } uint8_t *getRegs() { return regs; } uint16_t getAF(const bool alt) { return alt?rAF2:rAF; } uint16_t getBC(const bool alt) { return alt?rBC2:rBC; } uint16_t getDE(const bool alt) { return alt?rDE2:rDE; } uint16_t getHL(const bool alt) { return alt?rHL2:rHL; } uint16_t getIX() { return rIX; } uint16_t getIY() { return rIY; } uint16_t getSP() { return rSP; } uint16_t getPC() { return rPC; } uint8_t getI() { return rI; } uint8_t getR() { return rR; } void setPC(const uint16_t addr) { rPC = addr; } /* uint8_t getMemTag(const uint16_t addr) { return memtag[addr]; } void setMemTag(const uint16_t addr, const uint8_t value) { memtag[addr] = value; } void clearMemTag() { for (int i=0; i<65536; ++i) memtag[i] = MEMTAG_NONE; } uint8_t getMemTouched(const uint16_t addr) { return memtouched[addr]; } void clearMemTouched() { for (int i=0; i<65536; ++i) memtouched[i] = MEMTAG_NONE; } void fixMemTouched() { for (int i=0; i<65536; ++i) if ( (memtouched[i]==MEMTAG_INST) || (memtouched[i]==MEMTAG_REPEAT) ) memtouched[i] = MEMTAG_DATA; //else if (memtouched[i]==MEMTAG_DATA) // memtouched[i] = MEMTAG_REPEAT; } */ const bool getOption(const int option) { return options[option]; } void setOption(const int option, const bool value) { options[option] = value; } void toggleOption(const int option) { options[option] = !options[option]; } void resetStackedCalls() { calls_stacked=0; } }