100 lines
3.2 KiB
C++
100 lines
3.2 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 <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)
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return 2;
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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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ConstRegister ly_reg(0x90);
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Bus b;
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b.map_device(0x0000, 0x7FFF, &mbc1);
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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(0xFF44, 0xFF44, &ly_reg);
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b.map_device(0xFF80, 0xFFFE, &hram);
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Cpu cpu(&b);
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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, &ie_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(10);
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try {
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while(!cpu.state.stopped)
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{
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std::cout
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<< "A:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.A
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<< " F:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.getF()
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<< " B:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.B
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<< " C:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.C
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<< " D:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.D
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<< " E:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.E
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<< " H:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.H
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<< " L:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.L
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<< " SP:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.SP
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<< " PC:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.PC
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<< " PCMEM:"
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<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC) << ","
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<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+1) << ","
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<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+2) << ","
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<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+3) << std::endl;
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cpu.step();
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if(cpu.state.halted)
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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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