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34 lines
824 B
C++
34 lines
824 B
C++
//
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// Created by Melefo on 25/02/2020.
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//
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#include "../APU.hpp"
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namespace ComSquare::APU
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{
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int APU::DAA()
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{
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if (this->_internalRegisters.c || this->_internalRegisters.a > 0x99) {
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this->_internalRegisters.c = true;
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this->_internalRegisters.a += 0x60;
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}
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if (this->_internalRegisters.h || (this->_internalRegisters.a & 0x0Fu) > 0x09) {
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this->_internalRegisters.a += 0x06;
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}
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this->_setNZflags(this->_internalRegisters.a);
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return 3;
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}
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int APU::DAS()
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{
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if (!this->_internalRegisters.c || this->_internalRegisters.a > 0x99) {
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this->_internalRegisters.c = false;
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this->_internalRegisters.a -= 0x60;
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}
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if (!this->_internalRegisters.h || (this->_internalRegisters.a & 0x0Fu) > 0x09) {
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this->_internalRegisters.a -= 0x06;
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}
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this->_setNZflags(this->_internalRegisters.a);
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return 3;
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}
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} |