void virtual_pop(asmjit::X86Assembler& a, MemoryMapper& m, T dst) {
a.inc(REG_SP);
a.mov(REG_TMP, 0x0100);
// @CLEANUP TMP is rax, but we can't or with a larger register
a.add(asmjit::x86::al, REG_SP);
m.emitDynamicLoad(a, REG_TMP, dst);
}
bool LDAAbsXInstr::exp(asmjit::X86Assembler& a, MemoryMapper& m) {
auto temp = asmjit::x86::rax;
a.mov(temp, this->base);
a.add(temp, REG_X);
auto tmpPtr = asmjit::x86::byte_ptr(temp);
{
auto NotZero = a.newLabel();
auto Exit = a.newLabel();
a.cmp(tmpPtr, 0);
a.jne(NotZero);
// Value was 0
a.bts(REG_S, S_ZERO);
a.jmp(Exit);
// Value was not 0
a.bind(NotZero);
a.btr(REG_S, S_ZERO);
//No jmp required, just fall though
a.bind(Exit);
}
a.mov(REG_A, tmpPtr);
return true;
}
void virtual_push(asmjit::X86Assembler& a, MemoryMapper& m, T value) {
a.mov(REG_TMP, 0x0100);
// @CLEANUP TMP is rax, but we can't or with a larger register
a.add(asmjit::x86::al, REG_SP);
m.emitDynamicStore(a, REG_TMP, value);
a.dec(REG_SP);
}