mirror of https://github.com/bsnes-emu/bsnes.git
57 lines
891 B
C++
57 lines
891 B
C++
#include <gb/gb.hpp>
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namespace GameBoy {
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Unmapped unmapped;
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Bus bus;
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Memory::~Memory() {
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free();
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}
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auto Memory::operator[](uint addr) -> uint8& {
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return data[addr];
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}
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auto Memory::allocate(uint size_) -> void {
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free();
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size = size_;
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data = new uint8_t[size]();
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}
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auto Memory::copy(const uint8_t* data_, unsigned size_) -> void {
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free();
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size = size_;
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data = new uint8_t[size];
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memcpy(data, data_, size);
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}
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auto Memory::free() -> void {
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if(data) {
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delete[] data;
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data = nullptr;
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}
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}
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//
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auto Bus::read(uint16 addr) -> uint8 {
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uint8 data = mmio[addr]->mmio_read(addr);
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if(cheat.enable()) {
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if(auto result = cheat.find(addr, data)) return result();
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}
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return data;
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}
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auto Bus::write(uint16 addr, uint8 data) -> void {
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mmio[addr]->mmio_write(addr, data);
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}
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auto Bus::power() -> void {
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for(auto n : range(65536)) mmio[n] = &unmapped;
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}
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}
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