432 lines
15 KiB
C
432 lines
15 KiB
C
#define opFPU(name, optype, a_size, load_var, get, use_var) \
|
|
static int opFADD ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
if ((cpu_state.npxc >> 10) & 3) \
|
|
fesetround(rounding_modes[(cpu_state.npxc >> 10) & 3]); \
|
|
ST(0) += use_var; \
|
|
if ((cpu_state.npxc >> 10) & 3) \
|
|
fesetround(FE_TONEAREST); \
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64; \
|
|
CLOCK_CYCLES(8); \
|
|
return 0; \
|
|
} \
|
|
static int opFCOM ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
cpu_state.npxs &= ~(C0|C2|C3); \
|
|
cpu_state.npxs |= x87_compare(ST(0), (double)use_var); \
|
|
CLOCK_CYCLES(4); \
|
|
return 0; \
|
|
} \
|
|
static int opFCOMP ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
cpu_state.npxs &= ~(C0|C2|C3); \
|
|
cpu_state.npxs |= x87_compare(ST(0), (double)use_var); \
|
|
x87_pop(); \
|
|
CLOCK_CYCLES(4); \
|
|
return 0; \
|
|
} \
|
|
static int opFDIV ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
x87_div(ST(0), ST(0), use_var); \
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64; \
|
|
CLOCK_CYCLES(73); \
|
|
return 0; \
|
|
} \
|
|
static int opFDIVR ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
x87_div(ST(0), use_var, ST(0)); \
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64; \
|
|
CLOCK_CYCLES(73); \
|
|
return 0; \
|
|
} \
|
|
static int opFMUL ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
ST(0) *= use_var; \
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64; \
|
|
CLOCK_CYCLES(11); \
|
|
return 0; \
|
|
} \
|
|
static int opFSUB ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
ST(0) -= use_var; \
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64; \
|
|
CLOCK_CYCLES(8); \
|
|
return 0; \
|
|
} \
|
|
static int opFSUBR ## name ## _a ## a_size(uint32_t fetchdat) \
|
|
{ \
|
|
optype t; \
|
|
FP_ENTER(); \
|
|
fetch_ea_ ## a_size(fetchdat); \
|
|
load_var = get(); if (cpu_state.abrt) return 1; \
|
|
ST(0) = use_var - ST(0); \
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64; \
|
|
CLOCK_CYCLES(8); \
|
|
return 0; \
|
|
}
|
|
|
|
|
|
opFPU(s, x87_ts, 16, t.i, geteal, t.s)
|
|
opFPU(s, x87_ts, 32, t.i, geteal, t.s)
|
|
opFPU(d, x87_td, 16, t.i, geteaq, t.d)
|
|
opFPU(d, x87_td, 32, t.i, geteaq, t.d)
|
|
|
|
opFPU(iw, uint16_t, 16, t, geteaw, (double)(int16_t)t)
|
|
opFPU(iw, uint16_t, 32, t, geteaw, (double)(int16_t)t)
|
|
opFPU(il, uint32_t, 16, t, geteal, (double)(int32_t)t)
|
|
opFPU(il, uint32_t, 32, t, geteal, (double)(int32_t)t)
|
|
|
|
|
|
|
|
|
|
static int opFADD(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FADD\n");
|
|
ST(0) = ST(0) + ST(fetchdat & 7);
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
static int opFADDr(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FADD\n");
|
|
ST(fetchdat & 7) = ST(fetchdat & 7) + ST(0);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
static int opFADDP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FADDP\n");
|
|
ST(fetchdat & 7) = ST(fetchdat & 7) + ST(0);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
x87_pop();
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
|
|
static int opFCOM(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FCOM\n");
|
|
cpu_state.npxs &= ~(C0|C2|C3);
|
|
if (ST(0) == ST(fetchdat & 7)) cpu_state.npxs |= C3;
|
|
else if (ST(0) < ST(fetchdat & 7)) cpu_state.npxs |= C0;
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
|
|
static int opFCOMP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FCOMP\n");
|
|
cpu_state.npxs &= ~(C0|C2|C3);
|
|
cpu_state.npxs |= x87_compare(ST(0), ST(fetchdat & 7));
|
|
x87_pop();
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
|
|
static int opFCOMPP(uint32_t fetchdat)
|
|
{
|
|
uint64_t *p, *q;
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FCOMPP\n");
|
|
cpu_state.npxs &= ~(C0|C2|C3);
|
|
p = (uint64_t *)&ST(0);
|
|
q = (uint64_t *)&ST(1);
|
|
if ((*p == ((uint64_t)1 << 63) && *q == 0) && is386)
|
|
cpu_state.npxs |= C0; /*Nasty hack to fix 80387 detection*/
|
|
else
|
|
cpu_state.npxs |= x87_compare(ST(0), ST(1));
|
|
|
|
x87_pop();
|
|
x87_pop();
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
static int opFUCOMPP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FUCOMPP\n", easeg, cpu_state.eaaddr);
|
|
cpu_state.npxs &= ~(C0|C2|C3);
|
|
cpu_state.npxs |= x87_ucompare(ST(0), ST(1));
|
|
x87_pop();
|
|
x87_pop();
|
|
CLOCK_CYCLES(5);
|
|
return 0;
|
|
}
|
|
|
|
static int opFCOMI(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FICOM\n");
|
|
flags_rebuild();
|
|
flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
|
|
if (ST(0) == ST(fetchdat & 7)) flags |= Z_FLAG;
|
|
else if (ST(0) < ST(fetchdat & 7)) flags |= C_FLAG;
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
static int opFCOMIP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FICOMP\n");
|
|
flags_rebuild();
|
|
flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
|
|
if (ST(0) == ST(fetchdat & 7)) flags |= Z_FLAG;
|
|
else if (ST(0) < ST(fetchdat & 7)) flags |= C_FLAG;
|
|
x87_pop();
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
|
|
static int opFDIV(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FDIV\n");
|
|
x87_div(ST(0), ST(0), ST(fetchdat & 7));
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(73);
|
|
return 0;
|
|
}
|
|
static int opFDIVr(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FDIV\n");
|
|
x87_div(ST(fetchdat & 7), ST(fetchdat & 7), ST(0));
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(73);
|
|
return 0;
|
|
}
|
|
static int opFDIVP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FDIVP\n");
|
|
x87_div(ST(fetchdat & 7), ST(fetchdat & 7), ST(0));
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
x87_pop();
|
|
CLOCK_CYCLES(73);
|
|
return 0;
|
|
}
|
|
|
|
static int opFDIVR(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FDIVR\n");
|
|
x87_div(ST(0), ST(fetchdat&7), ST(0));
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(73);
|
|
return 0;
|
|
}
|
|
static int opFDIVRr(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FDIVR\n");
|
|
x87_div(ST(fetchdat & 7), ST(0), ST(fetchdat & 7));
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(73);
|
|
return 0;
|
|
}
|
|
static int opFDIVRP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FDIVR\n");
|
|
x87_div(ST(fetchdat & 7), ST(0), ST(fetchdat & 7));
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
x87_pop();
|
|
CLOCK_CYCLES(73);
|
|
return 0;
|
|
}
|
|
|
|
static int opFMUL(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FMUL\n");
|
|
ST(0) = ST(0) * ST(fetchdat & 7);
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(16);
|
|
return 0;
|
|
}
|
|
static int opFMULr(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FMUL\n");
|
|
ST(fetchdat & 7) = ST(0) * ST(fetchdat & 7);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(16);
|
|
return 0;
|
|
}
|
|
static int opFMULP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FMULP\n");
|
|
ST(fetchdat & 7) = ST(0) * ST(fetchdat & 7);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
x87_pop();
|
|
CLOCK_CYCLES(16);
|
|
return 0;
|
|
}
|
|
|
|
static int opFSUB(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FSUB\n");
|
|
ST(0) = ST(0) - ST(fetchdat & 7);
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
static int opFSUBr(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FSUB\n");
|
|
ST(fetchdat & 7) = ST(fetchdat & 7) - ST(0);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
static int opFSUBP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FSUBP\n");
|
|
ST(fetchdat & 7) = ST(fetchdat & 7) - ST(0);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
x87_pop();
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
|
|
static int opFSUBR(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FSUBR\n");
|
|
ST(0) = ST(fetchdat & 7) - ST(0);
|
|
cpu_state.tag[cpu_state.TOP] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
static int opFSUBRr(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FSUBR\n");
|
|
ST(fetchdat & 7) = ST(0) - ST(fetchdat & 7);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
static int opFSUBRP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FSUBRP\n");
|
|
ST(fetchdat & 7) = ST(0) - ST(fetchdat & 7);
|
|
cpu_state.tag[(cpu_state.TOP + fetchdat) & 7] &= ~TAG_UINT64;
|
|
x87_pop();
|
|
CLOCK_CYCLES(8);
|
|
return 0;
|
|
}
|
|
|
|
static int opFUCOM(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FUCOM\n");
|
|
cpu_state.npxs &= ~(C0|C2|C3);
|
|
cpu_state.npxs |= x87_ucompare(ST(0), ST(fetchdat & 7));
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
|
|
static int opFUCOMP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FUCOMP\n");
|
|
cpu_state.npxs &= ~(C0|C2|C3);
|
|
cpu_state.npxs |= x87_ucompare(ST(0), ST(fetchdat & 7));
|
|
x87_pop();
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
|
|
static int opFUCOMI(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FUCOMI\n");
|
|
flags_rebuild();
|
|
flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
|
|
if (ST(0) == ST(fetchdat & 7)) flags |= Z_FLAG;
|
|
else if (ST(0) < ST(fetchdat & 7)) flags |= C_FLAG;
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|
|
static int opFUCOMIP(uint32_t fetchdat)
|
|
{
|
|
FP_ENTER();
|
|
cpu_state.pc++;
|
|
if (fplog) pclog("FUCOMIP\n");
|
|
flags_rebuild();
|
|
flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
|
|
if (ST(0) == ST(fetchdat & 7)) flags |= Z_FLAG;
|
|
else if (ST(0) < ST(fetchdat & 7)) flags |= C_FLAG;
|
|
x87_pop();
|
|
CLOCK_CYCLES(4);
|
|
return 0;
|
|
}
|