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Cyrix 6x86 emulation. Based on patch from leilei.

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Moved MOV TRx, reg to correct opcode - required by Award 430VX BIOS with 6x86.
This commit is contained in:
SarahW 2016-04-27 22:23:49 +01:00
commit 153c22e442
15 changed files with 1810 additions and 18 deletions
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91
src/x86_ops_mov.h
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@ -562,3 +562,94 @@ static int opMOV_r_l_a32(uint32_t fetchdat)
}
return 0;
}
#define opCMOV(condition) \
static int opCMOV ## condition ## _w_a16(uint32_t fetchdat) \
{ \
fetch_ea_16(fetchdat); \
if (cond_ ## condition) \
{ \
if (mod == 3) \
cpu_state.regs[reg].w = cpu_state.regs[rm].w; \
else \
{ \
uint16_t temp; \
CHECK_READ(ea_seg, eaaddr, eaaddr+1); \
temp = geteaw(); if (abrt) return 1; \
cpu_state.regs[reg].w = temp; \
} \
} \
CLOCK_CYCLES(1); \
return 0; \
} \
static int opCMOV ## condition ## _w_a32(uint32_t fetchdat) \
{ \
fetch_ea_32(fetchdat); \
if (cond_ ## condition) \
{ \
if (mod == 3) \
cpu_state.regs[reg].w = cpu_state.regs[rm].w; \
else \
{ \
uint16_t temp; \
CHECK_READ(ea_seg, eaaddr, eaaddr+1); \
temp = geteaw(); if (abrt) return 1; \
cpu_state.regs[reg].w = temp; \
} \
} \
CLOCK_CYCLES(1); \
return 0; \
} \
static int opCMOV ## condition ## _l_a16(uint32_t fetchdat) \
{ \
fetch_ea_16(fetchdat); \
if (cond_ ## condition) \
{ \
if (mod == 3) \
cpu_state.regs[reg].l = cpu_state.regs[rm].l; \
else \
{ \
uint32_t temp; \
CHECK_READ(ea_seg, eaaddr, eaaddr+3); \
temp = geteal(); if (abrt) return 1; \
cpu_state.regs[reg].l = temp; \
} \
} \
CLOCK_CYCLES(1); \
return 0; \
} \
static int opCMOV ## condition ## _l_a32(uint32_t fetchdat) \
{ \
fetch_ea_32(fetchdat); \
if (cond_ ## condition) \
{ \
if (mod == 3) \
cpu_state.regs[reg].l = cpu_state.regs[rm].l; \
else \
{ \
uint32_t temp; \
CHECK_READ(ea_seg, eaaddr, eaaddr+3); \
temp = geteal(); if (abrt) return 1; \
cpu_state.regs[reg].l = temp; \
} \
} \
CLOCK_CYCLES(1); \
return 0; \
}
opCMOV(O)
opCMOV(NO)
opCMOV(B)
opCMOV(NB)
opCMOV(E)
opCMOV(NE)
opCMOV(BE)
opCMOV(NBE)
opCMOV(S)
opCMOV(NS)
opCMOV(P)
opCMOV(NP)
opCMOV(L)
opCMOV(NL)
opCMOV(LE)
opCMOV(NLE)