snes9x/apu/bapu/smp/core/op_mov.cpp

390 lines
5.9 KiB
C++

case 0x7d: {
op_io();
regs.a = regs.x;
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xdd: {
op_io();
regs.a = regs.y;
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0x5d: {
op_io();
regs.x = regs.a;
regs.p.n = !!(regs.x & 0x80);
regs.p.z = (regs.x == 0);
break;
}
case 0xfd: {
op_io();
regs.y = regs.a;
regs.p.n = !!(regs.y & 0x80);
regs.p.z = (regs.y == 0);
break;
}
case 0x9d: {
op_io();
regs.x = regs.sp;
regs.p.n = !!(regs.x & 0x80);
regs.p.z = (regs.x == 0);
break;
}
case 0xbd: {
op_io();
regs.sp = regs.x;
break;
}
case 0xe8: {
regs.a = op_readpc();
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xcd: {
regs.x = op_readpc();
regs.p.n = !!(regs.x & 0x80);
regs.p.z = (regs.x == 0);
break;
}
case 0x8d: {
regs.y = op_readpc();
regs.p.n = !!(regs.y & 0x80);
regs.p.z = (regs.y == 0);
break;
}
case 0xe6: {
op_io();
regs.a = op_readdp(regs.x);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xbf: {
op_io();
regs.a = op_readdp(regs.x++);
op_io();
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xe4: {
sp = op_readpc();
regs.a = op_readdp(sp);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xf8: {
sp = op_readpc();
regs.x = op_readdp(sp);
regs.p.n = !!(regs.x & 0x80);
regs.p.z = (regs.x == 0);
break;
}
case 0xeb: {
sp = op_readpc();
regs.y = op_readdp(sp);
regs.p.n = !!(regs.y & 0x80);
regs.p.z = (regs.y == 0);
break;
}
case 0xf4: {
sp = op_readpc();
op_io();
regs.a = op_readdp(sp + regs.x);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xf9: {
sp = op_readpc();
op_io();
regs.x = op_readdp(sp + regs.y);
regs.p.n = !!(regs.x & 0x80);
regs.p.z = (regs.x == 0);
break;
}
case 0xfb: {
sp = op_readpc();
op_io();
regs.y = op_readdp(sp + regs.x);
regs.p.n = !!(regs.y & 0x80);
regs.p.z = (regs.y == 0);
break;
}
case 0xe5: {
sp = op_readpc();
sp |= op_readpc() << 8;
regs.a = op_readaddr(sp);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xe9: {
sp = op_readpc();
sp |= op_readpc() << 8;
regs.x = op_readaddr(sp);
regs.p.n = !!(regs.x & 0x80);
regs.p.z = (regs.x == 0);
break;
}
case 0xec: {
sp = op_readpc();
sp |= op_readpc() << 8;
regs.y = op_readaddr(sp);
regs.p.n = !!(regs.y & 0x80);
regs.p.z = (regs.y == 0);
break;
}
case 0xf5: {
sp = op_readpc();
sp |= op_readpc() << 8;
op_io();
regs.a = op_readaddr(sp + regs.x);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xf6: {
sp = op_readpc();
sp |= op_readpc() << 8;
op_io();
regs.a = op_readaddr(sp + regs.y);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xe7: {
dp = op_readpc() + regs.x;
op_io();
sp = op_readdp(dp);
sp |= op_readdp(dp + 1) << 8;
regs.a = op_readaddr(sp);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xf7: {
dp = op_readpc();
op_io();
sp = op_readdp(dp);
sp |= op_readdp(dp + 1) << 8;
regs.a = op_readaddr(sp + regs.y);
regs.p.n = !!(regs.a & 0x80);
regs.p.z = (regs.a == 0);
break;
}
case 0xfa: {
sp = op_readpc();
rd = op_readdp(sp);
dp = op_readpc();
op_writedp(dp, rd);
break;
}
case 0x8f: {
rd = op_readpc();
dp = op_readpc();
op_readdp(dp);
op_writedp(dp, rd);
break;
}
case 0xc6: {
op_io();
op_readdp(regs.x);
op_writedp(regs.x, regs.a);
break;
}
case 0xaf: {
op_io();
op_io();
op_writedp(regs.x++, regs.a);
break;
}
case 0xc4: {
dp = op_readpc();
op_readdp(dp);
op_writedp(dp, regs.a);
break;
}
case 0xd8: {
dp = op_readpc();
op_readdp(dp);
op_writedp(dp, regs.x);
break;
}
case 0xcb: {
dp = op_readpc();
op_readdp(dp);
op_writedp(dp, regs.y);
break;
}
case 0xd4: {
dp = op_readpc();
op_io();
dp += regs.x;
op_readdp(dp);
op_writedp(dp, regs.a);
break;
}
case 0xd9: {
dp = op_readpc();
op_io();
dp += regs.y;
op_readdp(dp);
op_writedp(dp, regs.x);
break;
}
case 0xdb: {
dp = op_readpc();
op_io();
dp += regs.x;
op_readdp(dp);
op_writedp(dp, regs.y);
break;
}
case 0xc5: {
dp = op_readpc();
dp |= op_readpc() << 8;
op_readaddr(dp);
op_writeaddr(dp, regs.a);
break;
}
case 0xc9: {
dp = op_readpc();
dp |= op_readpc() << 8;
op_readaddr(dp);
op_writeaddr(dp, regs.x);
break;
}
case 0xcc: {
dp = op_readpc();
dp |= op_readpc() << 8;
op_readaddr(dp);
op_writeaddr(dp, regs.y);
break;
}
case 0xd5: {
dp = op_readpc();
dp |= op_readpc() << 8;
op_io();
dp += regs.x;
op_readaddr(dp);
op_writeaddr(dp, regs.a);
break;
}
case 0xd6: {
dp = op_readpc();
dp |= op_readpc() << 8;
op_io();
dp += regs.y;
op_readaddr(dp);
op_writeaddr(dp, regs.a);
break;
}
case 0xc7: {
sp = op_readpc();
op_io();
sp += regs.x;
dp = op_readdp(sp);
dp |= op_readdp(sp + 1) << 8;
op_readaddr(dp);
op_writeaddr(dp, regs.a);
break;
}
case 0xd7: {
sp = op_readpc();
dp = op_readdp(sp);
dp |= op_readdp(sp + 1) << 8;
op_io();
dp += regs.y;
op_readaddr(dp);
op_writeaddr(dp, regs.a);
break;
}
case 0xba: {
sp = op_readpc();
regs.a = op_readdp(sp);
op_io();
regs.y = op_readdp(sp + 1);
regs.p.n = !!(regs.ya & 0x8000);
regs.p.z = (regs.ya == 0);
break;
}
case 0xda: {
dp = op_readpc();
op_readdp(dp);
op_writedp(dp, regs.a);
op_writedp(dp + 1, regs.y);
break;
}
case 0xaa: {
sp = op_readpc();
sp |= op_readpc() << 8;
bit = sp >> 13;
sp &= 0x1fff;
rd = op_readaddr(sp);
regs.p.c = !!(rd & (1 << bit));
break;
}
case 0xca: {
dp = op_readpc();
dp |= op_readpc() << 8;
bit = dp >> 13;
dp &= 0x1fff;
rd = op_readaddr(dp);
if(regs.p.c)rd |= (1 << bit);
else rd &= ~(1 << bit);
op_io();
op_writeaddr(dp, rd);
break;
}