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Initial submission of the PCem-Experimental source code.

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This commit is contained in:
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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297
src/x86_ops_bit.h Normal file
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static int opBT_w_r_a16(uint32_t fetchdat)
{
int tempc;
uint16_t temp;
fetch_ea_16(fetchdat);
eaaddr += ((cpu_state.regs[reg].w / 16) * 2); eal_r = 0;
temp = geteaw(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[reg].w & 15))) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
}
static int opBT_w_r_a32(uint32_t fetchdat)
{
uint16_t temp;
fetch_ea_32(fetchdat);
eaaddr += ((cpu_state.regs[reg].w / 16) * 2); eal_r = 0;
temp = geteaw(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[reg].w & 15))) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
}
static int opBT_l_r_a16(uint32_t fetchdat)
{
uint32_t temp;
fetch_ea_16(fetchdat);
eaaddr += ((cpu_state.regs[reg].l / 32) * 4); eal_r = 0;
temp = geteal(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[reg].l & 31))) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
}
static int opBT_l_r_a32(uint32_t fetchdat)
{
uint32_t temp;
fetch_ea_32(fetchdat);
eaaddr += ((cpu_state.regs[reg].l / 32) * 4); eal_r = 0;
temp = geteal(); if (abrt) return 1;
flags_rebuild();
if (temp & (1 << (cpu_state.regs[reg].l & 31))) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
}
#define opBT(name, operation) \
static int opBT ## name ## _w_r_a16(uint32_t fetchdat) \
{ \
int tempc; \
uint16_t temp; \
\
fetch_ea_16(fetchdat); \
eaaddr += ((cpu_state.regs[reg].w / 16) * 2); eal_r = eal_w = 0; \
temp = geteaw(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[reg].w & 15))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[reg].w & 15)); \
seteaw(temp); if (abrt) return 1; \
flags_rebuild(); \
if (tempc) flags |= C_FLAG; \
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
return 0; \
} \
static int opBT ## name ## _w_r_a32(uint32_t fetchdat) \
{ \
int tempc; \
uint16_t temp; \
\
fetch_ea_32(fetchdat); \
eaaddr += ((cpu_state.regs[reg].w / 16) * 2); eal_r = eal_w = 0; \
temp = geteaw(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[reg].w & 15))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[reg].w & 15)); \
seteaw(temp); if (abrt) return 1; \
flags_rebuild(); \
if (tempc) flags |= C_FLAG; \
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
return 0; \
} \
static int opBT ## name ## _l_r_a16(uint32_t fetchdat) \
{ \
int tempc; \
uint32_t temp; \
\
fetch_ea_16(fetchdat); \
eaaddr += ((cpu_state.regs[reg].l / 32) * 4); eal_r = eal_w = 0; \
temp = geteal(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[reg].l & 31))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[reg].l & 31)); \
seteal(temp); if (abrt) return 1; \
flags_rebuild(); \
if (tempc) flags |= C_FLAG; \
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
return 0; \
} \
static int opBT ## name ## _l_r_a32(uint32_t fetchdat) \
{ \
int tempc; \
uint32_t temp; \
\
fetch_ea_32(fetchdat); \
eaaddr += ((cpu_state.regs[reg].l / 32) * 4); eal_r = eal_w = 0; \
temp = geteal(); if (abrt) return 1; \
tempc = (temp & (1 << (cpu_state.regs[reg].l & 31))) ? 1 : 0; \
temp operation (1 << (cpu_state.regs[reg].l & 31)); \
seteal(temp); if (abrt) return 1; \
flags_rebuild(); \
if (tempc) flags |= C_FLAG; \
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
return 0; \
}
opBT(C, ^=)
opBT(R, &=~)
opBT(S, |=)
static int opBA_w_a16(uint32_t fetchdat)
{
int tempc, count;
uint16_t temp;
fetch_ea_16(fetchdat);
temp = geteaw();
count = getbyte(); if (abrt) return 1;
tempc = temp & (1 << count);
flags_rebuild();
switch (rmdat & 0x38)
{
case 0x20: /*BT w,imm*/
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
break;
case 0x30: /*BTR w,imm*/
temp &= ~(1 << count);
break;
case 0x38: /*BTC w,imm*/
temp ^= (1 << count);
break;
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
x86illegal();
break;
}
seteaw(temp); if (abrt) return 1;
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
return 0;
}
static int opBA_w_a32(uint32_t fetchdat)
{
int tempc, count;
uint16_t temp;
fetch_ea_32(fetchdat);
temp = geteaw();
count = getbyte(); if (abrt) return 1;
tempc = temp & (1 << count);
flags_rebuild();
switch (rmdat & 0x38)
{
case 0x20: /*BT w,imm*/
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
break;
case 0x30: /*BTR w,imm*/
temp &= ~(1 << count);
break;
case 0x38: /*BTC w,imm*/
temp ^= (1 << count);
break;
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
x86illegal();
break;
}
seteaw(temp); if (abrt) return 1;
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
return 0;
}
static int opBA_l_a16(uint32_t fetchdat)
{
int tempc, count;
uint32_t temp;
fetch_ea_16(fetchdat);
temp = geteal();
count = getbyte(); if (abrt) return 1;
tempc = temp & (1 << count);
flags_rebuild();
switch (rmdat & 0x38)
{
case 0x20: /*BT w,imm*/
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
break;
case 0x30: /*BTR w,imm*/
temp &= ~(1 << count);
break;
case 0x38: /*BTC w,imm*/
temp ^= (1 << count);
break;
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
x86illegal();
break;
}
seteal(temp); if (abrt) return 1;
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
return 0;
}
static int opBA_l_a32(uint32_t fetchdat)
{
int tempc, count;
uint32_t temp;
fetch_ea_32(fetchdat);
temp = geteal();
count = getbyte(); if (abrt) return 1;
tempc = temp & (1 << count);
flags_rebuild();
switch (rmdat & 0x38)
{
case 0x20: /*BT w,imm*/
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
break;
case 0x30: /*BTR w,imm*/
temp &= ~(1 << count);
break;
case 0x38: /*BTC w,imm*/
temp ^= (1 << count);
break;
default:
pclog("Bad 0F BA opcode %02X\n", rmdat & 0x38);
cpu_state.pc = oldpc;
x86illegal();
break;
}
seteal(temp); if (abrt) return 1;
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
return 0;
}