Files
ComSquare/sources/CPU/Instructions/MemoryInstructions.cpp
AnonymusRaccoon 8cc87d0be2 Adding the STZ
2020-02-13 14:47:55 +01:00

45 lines
928 B
C++

//
// Created by anonymus-raccoon on 2/13/20.
//
#include "../CPU.hpp"
namespace ComSquare::CPU
{
void CPU::STA(uint24_t addr)
{
if (this->_registers.p.m)
this->_bus->write(addr, this->_registers.al);
else {
this->_bus->write(addr, this->_registers.al);
this->_bus->write(addr + 1, this->_registers.ah);
}
}
void CPU::STX(uint24_t addr)
{
if (this->_registers.p.x_b)
this->_bus->write(addr, this->_registers.xl);
else {
this->_bus->write(addr, this->_registers.xl);
this->_bus->write(addr + 1, this->_registers.xh);
}
}
void CPU::STY(uint24_t addr)
{
if (this->_registers.p.x_b)
this->_bus->write(addr, this->_registers.yl);
else {
this->_bus->write(addr, this->_registers.yl);
this->_bus->write(addr + 1, this->_registers.yh);
}
}
void CPU::STZ(uint24_t addr)
{
this->_bus->write(addr, 0x00);
if (!this->_registers.p.m)
this->_bus->write(addr + 1, 0x00);
}
}