mirror of https://github.com/bsnes-emu/bsnes.git
36 lines
1010 B
C++
36 lines
1010 B
C++
auto V30MZ::regb(uint8 modRM) -> uint8& {
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static uint8* p[] = {&r.al, &r.cl, &r.dl, &r.bl, &r.ah, &r.ch, &r.dh, &r.bh};
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return *p[(modRM >> 3) & 7];
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}
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auto V30MZ::regw(uint8 modRM) -> uint16& {
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static uint16* p[] = {&r.ax, &r.cx, &r.dx, &r.bx, &r.sp, &r.bp, &r.si, &r.di};
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return *p[(modRM >> 3) & 7];
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}
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auto V30MZ::sreg(uint8 modRM) -> uint16& {
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static uint16* p[] = {&r.es, &r.cs, &r.ss, &r.ds};
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return *p[(modRM >> 3) & 3];
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}
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V30MZ::Registers::Flags::operator uint16() const {
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return m << 15 | 1 << 14 | 1 << 13 | 1 << 12
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| v << 11 | d << 10 | i << 9 | b << 8
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| s << 7 | z << 6 | h << 4 | p << 2
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| 1 << 1 | c << 0;
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}
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auto V30MZ::Registers::Flags::operator=(uint16 data) {
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m = (uint1)(data >> 15);
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v = (uint1)(data >> 11);
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d = (uint1)(data >> 10);
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i = (uint1)(data >> 9);
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b = (uint1)(data >> 8);
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s = (uint1)(data >> 7);
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z = (uint1)(data >> 6);
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h = (uint1)(data >> 4);
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p = (uint1)(data >> 2);
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c = (uint1)(data >> 0);
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return *this;
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}
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