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Added VME emulation to Intel DX4, Pentium and Pentium MMX.

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Temporarily disabled recompilation of CLI and STI.
This commit is contained in:
SarahW 2017-06-30 20:42:19 +01:00
commit 1f33b52451
11 changed files with 259 additions and 62 deletions
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32
src/386_dynarec.c
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@ -263,6 +263,38 @@ void x86_int_sw(int num)
CPU_BLOCK_END();
}
int x86_int_sw_rm(int num)
{
uint32_t addr;
uint16_t new_pc, new_cs;
flags_rebuild();
cycles -= timing_int;
addr = num << 2;
new_pc = readmemw(0, addr);
new_cs = readmemw(0, addr + 2);
if (cpu_state.abrt) return 1;
writememw(ss,((SP-2)&0xFFFF),flags); if (cpu_state.abrt) {pclog("abrt5\n"); return 1; }
writememw(ss,((SP-4)&0xFFFF),CS);
writememw(ss,((SP-6)&0xFFFF),cpu_state.pc); if (cpu_state.abrt) {pclog("abrt6\n"); return 1; }
SP-=6;
eflags &= ~VIF_FLAG;
flags &= ~T_FLAG;
cpu_state.pc = new_pc;
loadcs(new_cs);
oxpc=cpu_state.pc;
cycles -= timing_int_rm;
trap = 0;
CPU_BLOCK_END();
return 0;
}
void x86illegal()
{
// pclog("x86 illegal %04X %08X %04X:%08X %02X\n",msw,cr0,CS,pc,opcode);