97 lines
2 KiB
C++
97 lines
2 KiB
C++
#include <cpu/cpu.h>
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#include <cartridge/cartridge.h>
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#include <cartridge/mbc/mbc1.h>
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#include <memory/ram.h>
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#include <memory/bus.h>
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#include <memory/register.h>
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#include <lcd/lcd.h>
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#include <timer/timer.h>
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#include <fstream>
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#include <thread>
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#include <chrono>
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#include <cstring>
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#include <iostream>
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#include <iomanip>
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int main(int argc, char** argv)
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{
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if(argc < 2)
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return 1;
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std::ifstream file(argv[1]);
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Cartridge cart(file);
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if(cart.type() != CT_MBC1 && cart.type() != CT_ROM_ONLY)
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{
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std::cerr << "Wrong cart type (" << (int)cart.type() << ")" << std::endl;
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return 2;
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}
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sf::RenderWindow window(sf::VideoMode(256,256), "VGBC BG view");
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RAM wram1(0x1000);
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RAM wram2(0x1000);
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RAM hram(0x100);
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RAM oam(0x100);
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MBC1 mbc1(cart);
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Bus b;
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Cpu cpu(&b);
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LCD lcd(cpu);
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TimerDiv timer;
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b.map_device(0x0000, 0x7FFF, &mbc1);
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b.map_device(0x8000, 0x9FFF, &lcd, 0x8000);
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b.map_device(0xA000, 0xBFFF, &mbc1, 0xA000);
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b.map_device(0xC000, 0xCFFF, &wram1);
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b.map_device(0xD000, 0xDFFF, &wram2);
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b.map_device(0xE000, 0xFDFF, &wram1);
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b.map_device(0xFE00, 0xFE9F, &oam);
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b.map_device(0xFF04, 0xFF07, &timer);
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b.map_device(0xFF40, 0xFF4F, &lcd, 0xFF40);
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b.map_device(0xFF80, 0xFFFE, &hram);
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BoundRegister ie_mapped(cpu.state.IE);
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BoundRegister if_mapped(cpu.state.IF);
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b.map_device(0xFFFF, 0xFFFF, &ie_mapped);
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b.map_device(0xFF0F, 0xFF0F, &if_mapped);
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cpu.state.A = 0x1;
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cpu.state.carry = true;
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cpu.state.halfcarry = true;
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cpu.state.subtract = false;
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cpu.state.zero = true;
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cpu.state.B = 0x00;
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cpu.state.C = 0x13;
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cpu.state.D = 0x00;
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cpu.state.E = 0xD8;
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cpu.state.H = 0x01;
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cpu.state.L = 0x4D;
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cpu.state.SP = 0xFFFE;
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cpu.state.PC = 0x100;
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const std::chrono::milliseconds delay(1);
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try {
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while(!cpu.state.stopped)
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{
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cpu.run(4194304/4000);
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window.clear(sf::Color::Black);
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lcd.render(window);
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window.display();
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std::this_thread::sleep_for(delay);
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}
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} catch(CpuException& e) {
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std::cerr << e.what() << std::endl;
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}
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}
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