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Initial submission of the PCem-Experimental source code.

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OBattler
2016-06-26 00:34:39 +02:00
parent 09d7c4384f
commit fd2a5bc9f5
610 changed files with 184352 additions and 0 deletions
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195
src/x86_ops_xchg.h Normal file
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static int opXCHG_b_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
temp = geteab(); if (abrt) return 1;
seteab(getr8(reg)); if (abrt) return 1;
setr8(reg, temp);
CLOCK_CYCLES((mod == 3) ? 3 : 5);
return 0;
}
static int opXCHG_b_a32(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_32(fetchdat);
temp = geteab(); if (abrt) return 1;
seteab(getr8(reg)); if (abrt) return 1;
setr8(reg, temp);
CLOCK_CYCLES((mod == 3) ? 3 : 5);
return 0;
}
static int opXCHG_w_a16(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_16(fetchdat);
temp = geteaw(); if (abrt) return 1;
seteaw(cpu_state.regs[reg].w); if (abrt) return 1;
cpu_state.regs[reg].w = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 5);
return 0;
}
static int opXCHG_w_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
temp = geteaw(); if (abrt) return 1;
seteaw(cpu_state.regs[reg].w); if (abrt) return 1;
cpu_state.regs[reg].w = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 5);
return 0;
}
static int opXCHG_l_a16(uint32_t fetchdat)
{
uint32_t temp;
fetch_ea_16(fetchdat);
temp = geteal(); if (abrt) return 1;
seteal(cpu_state.regs[reg].l); if (abrt) return 1;
cpu_state.regs[reg].l = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 5);
return 0;
}
static int opXCHG_l_a32(uint32_t fetchdat)
{
uint32_t temp;
fetch_ea_32(fetchdat);
temp = geteal(); if (abrt) return 1;
seteal(cpu_state.regs[reg].l); if (abrt) return 1;
cpu_state.regs[reg].l = temp;
CLOCK_CYCLES((mod == 3) ? 3 : 5);
return 0;
}
static int opXCHG_AX_BX(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = BX;
BX = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_AX_CX(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = CX;
CX = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_AX_DX(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = DX;
DX = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_AX_SI(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = SI;
SI = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_AX_DI(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = DI;
DI = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_AX_BP(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = BP;
BP = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_AX_SP(uint32_t fetchdat)
{
uint16_t temp = AX;
AX = SP;
SP = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_EBX(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = EBX;
EBX = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_ECX(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = ECX;
ECX = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_EDX(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = EDX;
EDX = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_ESI(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = ESI;
ESI = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_EDI(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = EDI;
EDI = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_EBP(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = EBP;
EBP = temp;
CLOCK_CYCLES(3);
return 0;
}
static int opXCHG_EAX_ESP(uint32_t fetchdat)
{
uint32_t temp = EAX;
EAX = ESP;
ESP = temp;
CLOCK_CYCLES(3);
return 0;
}
#define opBSWAP(reg) \
static int opBSWAP_ ## reg(uint32_t fetchdat) \
{ \
reg = (reg >> 24) | ((reg >> 8) & 0xff00) | ((reg << 8) & 0xff0000) | ((reg << 24) & 0xff000000); \
CLOCK_CYCLES(1); \
return 0; \
}
opBSWAP(EAX)
opBSWAP(EBX)
opBSWAP(ECX)
opBSWAP(EDX)
opBSWAP(ESI)
opBSWAP(EDI)
opBSWAP(EBP)
opBSWAP(ESP)