167 lines
4 KiB
C
167 lines
4 KiB
C
int opMOVD_l_mm_a16(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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if (mod == 3)
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{
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MM[reg].l[0] = regs[rm].l;
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MM[reg].l[1] = 0;
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cycles--;
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}
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else
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{
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uint32_t dst;
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dst = readmeml(easeg, eaaddr); if (abrt) return 0;
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MM[reg].l[0] = dst;
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MM[reg].l[1] = 0;
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cycles -= 2;
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}
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return 0;
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}
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int opMOVD_l_mm_a32(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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if (mod == 3)
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{
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MM[reg].l[0] = regs[rm].l;
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MM[reg].l[1] = 0;
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cycles--;
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}
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else
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{
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uint32_t dst;
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dst = readmeml(easeg, eaaddr); if (abrt) return 0;
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MM[reg].l[0] = dst;
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MM[reg].l[1] = 0;
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cycles -= 2;
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}
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return 0;
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}
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int opMOVD_mm_l_a16(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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if (mod == 3)
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{
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regs[rm].l = MM[reg].l[0];
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cycles--;
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}
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else
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{
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CHECK_WRITE(ea_seg, eaaddr, eaaddr + 3);
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writememl(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 0;
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cycles -= 2;
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}
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return 0;
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}
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int opMOVD_mm_l_a32(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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if (mod == 3)
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{
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regs[rm].l = MM[reg].l[0];
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cycles--;
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}
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else
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{
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CHECK_WRITE(ea_seg, eaaddr, eaaddr + 3);
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writememl(easeg, eaaddr, MM[reg].l[0]); if (abrt) return 0;
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cycles -= 2;
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}
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return 0;
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}
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int opMOVQ_q_mm_a16(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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if (mod == 3)
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{
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MM[reg].q = MM[rm].q;
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cycles--;
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}
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else
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{
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uint32_t dst[2];
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dst[0] = readmeml(easeg, eaaddr);
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dst[1] = readmeml(easeg, eaaddr + 4); if (abrt) return 0;
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MM[reg].l[0] = dst[0];
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MM[reg].l[1] = dst[1];
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cycles -= 2;
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}
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return 0;
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}
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int opMOVQ_q_mm_a32(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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if (mod == 3)
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{
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MM[reg].q = MM[rm].q;
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cycles--;
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}
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else
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{
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uint32_t dst[2];
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dst[0] = readmeml(easeg, eaaddr);
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dst[1] = readmeml(easeg, eaaddr + 4); if (abrt) return 0;
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MM[reg].l[0] = dst[0];
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MM[reg].l[1] = dst[1];
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cycles -= 2;
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}
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return 0;
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}
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int opMOVQ_mm_q_a16(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_16(fetchdat);
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if (mod == 3)
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{
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MM[rm].q = MM[reg].q;
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cycles--;
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}
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else
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{
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CHECK_WRITE(ea_seg, eaaddr, eaaddr + 7);
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writememl(easeg, eaaddr, MM[reg].l[0]);
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writememl(easeg, eaaddr + 4, MM[reg].l[1]); if (abrt) return 0;
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cycles -= 2;
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}
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return 0;
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}
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int opMOVQ_mm_q_a32(uint32_t fetchdat)
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{
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MMX_ENTER();
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fetch_ea_32(fetchdat);
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if (mod == 3)
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{
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MM[rm].q = MM[reg].q;
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cycles--;
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}
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else
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{
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CHECK_WRITE(ea_seg, eaaddr, eaaddr + 7);
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writememl(easeg, eaaddr, MM[reg].l[0]);
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writememl(easeg, eaaddr + 4, MM[reg].l[1]); if (abrt) return 0;
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cycles -= 2;
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}
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return 0;
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}
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