bsnes/higan/processor/v30mz/instructions-move.cpp

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auto V30MZ::opMoveMemReg(Size size) {
modRM();
setMem(size, getReg(size));
}
auto V30MZ::opMoveRegMem(Size size) {
modRM();
setReg(size, getMem(size));
}
//8c mov memw,seg
auto V30MZ::opMoveMemSeg() {
modRM();
setMem(Word, getSeg());
state.poll = false;
}
//8e mov seg,memw
auto V30MZ::opMoveSegMem() {
wait(1);
modRM();
setSeg(getMem(Word));
if((modrm.reg & 3) == 3) state.poll = false;
}
auto V30MZ::opMoveAccMem(Size size) {
setAcc(size, read(size, segment(r.ds), fetch(Word)));
}
auto V30MZ::opMoveMemAcc(Size size) {
write(size, segment(r.ds), fetch(Word), getAcc(size));
}
auto V30MZ::opMoveRegImm(uint8_t& reg) {
reg = fetch(Byte);
}
auto V30MZ::opMoveRegImm(uint16_t& reg) {
reg = fetch(Word);
}
auto V30MZ::opMoveMemImm(Size size) {
modRM();
setMem(size, fetch(size));
}
auto V30MZ::opExchange(uint16_t& x, uint16_t& y) {
wait(2);
uint16 z = x;
x = y;
y = z;
}
auto V30MZ::opExchangeMemReg(Size size) {
wait(2);
modRM();
auto mem = getMem(size);
auto reg = getReg(size);
setMem(size, reg);
setReg(size, mem);
}
auto V30MZ::opLoadEffectiveAddressRegMem() {
modRM();
setReg(Word, modrm.address);
}
auto V30MZ::opLoadSegmentMem(uint16_t& reg) {
wait(5);
modRM();
reg = getMem(Word);
}