quickdev16/bsnes/cpu/scpu/core/op_write.cpp
2009-04-08 21:29:36 +02:00

294 lines
6.0 KiB
C++
Executable File

#ifdef SCPU_CPP
//sta_addr
case 0x8d: {
aa.l = op_readpc();
aa.h = op_readpc();
if(regs.p.m) last_cycle();
op_writedbr(aa.w, regs.a.w);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + 1, regs.a.w >> 8);
} break;
//stx_addr
case 0x8e: {
aa.l = op_readpc();
aa.h = op_readpc();
if(regs.p.x) last_cycle();
op_writedbr(aa.w, regs.x.w);
if(regs.p.x) break;
last_cycle();
op_writedbr(aa.w + 1, regs.x.w >> 8);
} break;
//sty_addr
case 0x8c: {
aa.l = op_readpc();
aa.h = op_readpc();
if(regs.p.x) last_cycle();
op_writedbr(aa.w, regs.y.w);
if(regs.p.x) break;
last_cycle();
op_writedbr(aa.w + 1, regs.y.w >> 8);
} break;
//stz_addr
case 0x9c: {
aa.l = op_readpc();
aa.h = op_readpc();
if(regs.p.m) last_cycle();
op_writedbr(aa.w, 0x0000);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + 1, 0x0000 >> 8);
} break;
//sta_addrx
case 0x9d: {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
if(regs.p.m) last_cycle();
op_writedbr(aa.w + regs.x.w, regs.a.w);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + regs.x.w + 1, regs.a.w >> 8);
} break;
//stz_addrx
case 0x9e: {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
if(regs.p.m) last_cycle();
op_writedbr(aa.w + regs.x.w, 0x0000);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + regs.x.w + 1, 0x0000 >> 8);
} break;
//sta_addry
case 0x99: {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
if(regs.p.m) last_cycle();
op_writedbr(aa.w + regs.y.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + regs.y.w + 1, regs.a.h);
} break;
//sta_long
case 0x8f: {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
if(regs.p.m) last_cycle();
op_writelong(aa.d, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writelong(aa.d + 1, regs.a.h);
} break;
//sta_longx
case 0x9f: {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
if(regs.p.m) last_cycle();
op_writelong(aa.d + regs.x.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writelong(aa.d + regs.x.w + 1, regs.a.h);
} break;
//sta_dp
case 0x85: {
dp = op_readpc();
op_io_cond2();
if(regs.p.m) last_cycle();
op_writedp(dp, regs.a.w);
if(regs.p.m) break;
last_cycle();
op_writedp(dp + 1, regs.a.w >> 8);
} break;
//stx_dp
case 0x86: {
dp = op_readpc();
op_io_cond2();
if(regs.p.x) last_cycle();
op_writedp(dp, regs.x.w);
if(regs.p.x) break;
last_cycle();
op_writedp(dp + 1, regs.x.w >> 8);
} break;
//sty_dp
case 0x84: {
dp = op_readpc();
op_io_cond2();
if(regs.p.x) last_cycle();
op_writedp(dp, regs.y.w);
if(regs.p.x) break;
last_cycle();
op_writedp(dp + 1, regs.y.w >> 8);
} break;
//stz_dp
case 0x64: {
dp = op_readpc();
op_io_cond2();
if(regs.p.m) last_cycle();
op_writedp(dp, 0x0000);
if(regs.p.m) break;
last_cycle();
op_writedp(dp + 1, 0x0000 >> 8);
} break;
//sta_dpx
case 0x95: {
dp = op_readpc();
op_io_cond2();
op_io();
if(regs.p.m) last_cycle();
op_writedp(dp + regs.x.w, regs.a.w);
if(regs.p.m) break;
last_cycle();
op_writedp(dp + regs.x.w + 1, regs.a.w >> 8);
} break;
//sty_dpx
case 0x94: {
dp = op_readpc();
op_io_cond2();
op_io();
if(regs.p.x) last_cycle();
op_writedp(dp + regs.x.w, regs.y.w);
if(regs.p.x) break;
last_cycle();
op_writedp(dp + regs.x.w + 1, regs.y.w >> 8);
} break;
//stz_dpx
case 0x74: {
dp = op_readpc();
op_io_cond2();
op_io();
if(regs.p.m) last_cycle();
op_writedp(dp + regs.x.w, 0x0000);
if(regs.p.m) break;
last_cycle();
op_writedp(dp + regs.x.w + 1, 0x0000 >> 8);
} break;
//stx_dpy
case 0x96: {
dp = op_readpc();
op_io_cond2();
op_io();
if(regs.p.x) last_cycle();
op_writedp(dp + regs.y.w, regs.x.l);
if(regs.p.x) break;
last_cycle();
op_writedp(dp + regs.y.w + 1, regs.x.h);
} break;
//sta_idp
case 0x92: {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp);
aa.h = op_readdp(dp + 1);
if(regs.p.m) last_cycle();
op_writedbr(aa.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + 1, regs.a.h);
} break;
//sta_ildp
case 0x87: {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
if(regs.p.m) last_cycle();
op_writelong(aa.d, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writelong(aa.d + 1, regs.a.h);
} break;
//sta_idpx
case 0x81: {
dp = op_readpc();
op_io_cond2();
op_io();
aa.l = op_readdp(dp + regs.x.w);
aa.h = op_readdp(dp + regs.x.w + 1);
if(regs.p.m) last_cycle();
op_writedbr(aa.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + 1, regs.a.h);
} break;
//sta_idpy
case 0x91: {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp);
aa.h = op_readdp(dp + 1);
op_io();
if(regs.p.m) last_cycle();
op_writedbr(aa.w + regs.y.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + regs.y.w + 1, regs.a.h);
} break;
//sta_ildpy
case 0x97: {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
if(regs.p.m) last_cycle();
op_writelong(aa.d + regs.y.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writelong(aa.d + regs.y.w + 1, regs.a.h);
} break;
//sta_sr
case 0x83: {
sp = op_readpc();
op_io();
if(regs.p.m) last_cycle();
op_writesp(sp, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writesp(sp + 1, regs.a.h);
} break;
//sta_isry
case 0x93: {
sp = op_readpc();
op_io();
aa.l = op_readsp(sp);
aa.h = op_readsp(sp + 1);
op_io();
if(regs.p.m) last_cycle();
op_writedbr(aa.w + regs.y.w, regs.a.l);
if(regs.p.m) break;
last_cycle();
op_writedbr(aa.w + regs.y.w + 1, regs.a.h);
} break;
#endif