436 lines
14 KiB
C
436 lines
14 KiB
C
#define opFPU(name, optype, a_size, load_var, get, use_var) \
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static int opFADD ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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x87_round_set(); \
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ST(0) += use_var; \
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x87_round_restore(); \
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FP_TAG(); \
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CLOCK_CYCLES(8); \
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return 0; \
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} \
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static int opFCOM ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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cpu_state.npxs &= ~(C0|C2|C3); \
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cpu_state.npxs |= x87_compare(ST(0), (double)use_var); \
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CLOCK_CYCLES(4); \
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return 0; \
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} \
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static int opFCOMP ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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cpu_state.npxs &= ~(C0|C2|C3); \
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cpu_state.npxs |= x87_compare(ST(0), (double)use_var); \
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x87_pop(); \
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CLOCK_CYCLES(4); \
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return 0; \
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} \
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static int opFDIV ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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x87_round_set(); \
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x87_div(ST(0), ST(0), use_var); \
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x87_round_restore(); \
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FP_TAG(); \
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CLOCK_CYCLES(73); \
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return 0; \
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} \
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static int opFDIVR ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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x87_round_set(); \
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x87_div(ST(0), use_var, ST(0)); \
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x87_round_restore(); \
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FP_TAG(); \
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CLOCK_CYCLES(73); \
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return 0; \
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} \
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static int opFMUL ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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x87_round_set(); \
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ST(0) *= use_var; \
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x87_round_restore(); \
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FP_TAG(); \
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CLOCK_CYCLES(11); \
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return 0; \
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} \
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static int opFSUB ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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x87_round_set(); \
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ST(0) -= use_var; \
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x87_round_restore(); \
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FP_TAG(); \
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CLOCK_CYCLES(8); \
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return 0; \
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} \
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static int opFSUBR ## name ## _a ## a_size(uint32_t fetchdat) \
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{ \
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optype t; \
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FP_ENTER(); \
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fetch_ea_ ## a_size(fetchdat); \
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SEG_CHECK_READ(cpu_state.ea_seg); \
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load_var = get(); if (cpu_state.abrt) return 1; \
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x87_round_set(); \
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ST(0) = use_var - ST(0); \
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x87_round_restore(); \
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FP_TAG(); \
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CLOCK_CYCLES(8); \
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return 0; \
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}
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opFPU(s, x87_ts, 16, t.i, geteal, t.s)
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#ifndef FPU_8087
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opFPU(s, x87_ts, 32, t.i, geteal, t.s)
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#endif
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opFPU(d, x87_td, 16, t.i, geteaq, t.d)
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#ifndef FPU_8087
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opFPU(d, x87_td, 32, t.i, geteaq, t.d)
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#endif
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opFPU(iw, uint16_t, 16, t, geteaw, (double)(int16_t)t)
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#ifndef FPU_8087
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opFPU(iw, uint16_t, 32, t, geteaw, (double)(int16_t)t)
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#endif
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opFPU(il, uint32_t, 16, t, geteal, (double)(int32_t)t)
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#ifndef FPU_8087
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opFPU(il, uint32_t, 32, t, geteal, (double)(int32_t)t)
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#endif
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static int opFADD(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(0) = ST(0) + ST(fetchdat & 7);
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FP_TAG();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFADDr(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(fetchdat & 7) + ST(0);
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FP_FTAG();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFADDP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(fetchdat & 7) + ST(0);
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FP_FTAG();
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x87_pop();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFCOM(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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cpu_state.npxs &= ~(C0|C2|C3);
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if (ST(0) == ST(fetchdat & 7)) cpu_state.npxs |= C3;
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else if (ST(0) < ST(fetchdat & 7)) cpu_state.npxs |= C0;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opFCOMP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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cpu_state.npxs &= ~(C0|C2|C3);
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cpu_state.npxs |= x87_compare(ST(0), ST(fetchdat & 7));
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x87_pop();
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opFCOMPP(uint32_t fetchdat)
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{
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uint64_t *p, *q;
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FP_ENTER();
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cpu_state.pc++;
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cpu_state.npxs &= ~(C0|C2|C3);
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p = (uint64_t *)&ST(0);
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q = (uint64_t *)&ST(1);
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if ((*p == ((uint64_t)1 << 63) && *q == 0) && is386)
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cpu_state.npxs |= C0; /*Nasty hack to fix 80387 detection*/
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else
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cpu_state.npxs |= x87_compare(ST(0), ST(1));
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x87_pop();
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x87_pop();
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CLOCK_CYCLES(4);
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return 0;
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}
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#ifndef FPU_8087
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static int opFUCOMPP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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cpu_state.npxs &= ~(C0|C2|C3);
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cpu_state.npxs |= x87_ucompare(ST(0), ST(1));
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x87_pop();
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x87_pop();
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CLOCK_CYCLES(5);
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return 0;
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}
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#ifdef FP_686
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static int opFCOMI(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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flags_rebuild();
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cpu_state.flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
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if (ST(0) == ST(fetchdat & 7)) cpu_state.flags |= Z_FLAG;
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else if (ST(0) < ST(fetchdat & 7)) cpu_state.flags |= C_FLAG;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opFCOMIP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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flags_rebuild();
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cpu_state.flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
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if (ST(0) == ST(fetchdat & 7)) cpu_state.flags |= Z_FLAG;
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else if (ST(0) < ST(fetchdat & 7)) cpu_state.flags |= C_FLAG;
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x87_pop();
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CLOCK_CYCLES(4);
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return 0;
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}
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#endif
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#endif
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static int opFDIV(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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x87_div(ST(0), ST(0), ST(fetchdat & 7));
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FP_TAG();
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CLOCK_CYCLES(73);
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return 0;
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}
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static int opFDIVr(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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x87_div(ST(fetchdat & 7), ST(fetchdat & 7), ST(0));
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FP_FTAG();
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CLOCK_CYCLES(73);
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return 0;
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}
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static int opFDIVP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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x87_div(ST(fetchdat & 7), ST(fetchdat & 7), ST(0));
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FP_FTAG();
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x87_pop();
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CLOCK_CYCLES(73);
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return 0;
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}
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static int opFDIVR(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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x87_div(ST(0), ST(fetchdat&7), ST(0));
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FP_TAG();
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CLOCK_CYCLES(73);
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return 0;
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}
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static int opFDIVRr(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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x87_div(ST(fetchdat & 7), ST(0), ST(fetchdat & 7));
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FP_FTAG();
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CLOCK_CYCLES(73);
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return 0;
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}
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static int opFDIVRP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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x87_div(ST(fetchdat & 7), ST(0), ST(fetchdat & 7));
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FP_FTAG();
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x87_pop();
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CLOCK_CYCLES(73);
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return 0;
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}
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static int opFMUL(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(0) = ST(0) * ST(fetchdat & 7);
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FP_TAG();
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CLOCK_CYCLES(16);
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return 0;
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}
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static int opFMULr(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(0) * ST(fetchdat & 7);
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FP_FTAG();
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CLOCK_CYCLES(16);
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return 0;
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}
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static int opFMULP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(0) * ST(fetchdat & 7);
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FP_FTAG();
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x87_pop();
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CLOCK_CYCLES(16);
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return 0;
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}
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static int opFSUB(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(0) = ST(0) - ST(fetchdat & 7);
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FP_TAG();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFSUBr(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(fetchdat & 7) - ST(0);
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FP_FTAG();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFSUBP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(fetchdat & 7) - ST(0);
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FP_FTAG();
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x87_pop();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFSUBR(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(0) = ST(fetchdat & 7) - ST(0);
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FP_TAG();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFSUBRr(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(0) - ST(fetchdat & 7);
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FP_FTAG();
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CLOCK_CYCLES(8);
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return 0;
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}
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static int opFSUBRP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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ST(fetchdat & 7) = ST(0) - ST(fetchdat & 7);
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FP_FTAG();
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x87_pop();
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CLOCK_CYCLES(8);
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return 0;
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}
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#ifndef FPU_8087
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static int opFUCOM(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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cpu_state.npxs &= ~(C0|C2|C3);
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cpu_state.npxs |= x87_ucompare(ST(0), ST(fetchdat & 7));
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opFUCOMP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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cpu_state.npxs &= ~(C0|C2|C3);
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cpu_state.npxs |= x87_ucompare(ST(0), ST(fetchdat & 7));
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x87_pop();
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CLOCK_CYCLES(4);
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return 0;
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}
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#ifdef FP_686
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static int opFUCOMI(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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flags_rebuild();
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cpu_state.flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
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if (ST(0) == ST(fetchdat & 7)) cpu_state.flags |= Z_FLAG;
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else if (ST(0) < ST(fetchdat & 7)) cpu_state.flags |= C_FLAG;
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CLOCK_CYCLES(4);
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return 0;
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}
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static int opFUCOMIP(uint32_t fetchdat)
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{
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FP_ENTER();
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cpu_state.pc++;
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flags_rebuild();
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cpu_state.flags &= ~(Z_FLAG | P_FLAG | C_FLAG);
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if (ST(0) == ST(fetchdat & 7)) cpu_state.flags |= Z_FLAG;
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else if (ST(0) < ST(fetchdat & 7)) cpu_state.flags |= C_FLAG;
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x87_pop();
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CLOCK_CYCLES(4);
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return 0;
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}
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#endif
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#endif
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