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Move gameboy doctor code to misc/

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This commit is contained in:
madmaurice 2023-09-09 15:49:05 +02:00
parent 7bc272afb6
commit cc6cb865bc
2 changed files with 5 additions and 1 deletions

99
misc/gbdif.cpp Normal file
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@ -0,0 +1,99 @@
#include <cpu/cpu.h>
#include <cartridge/cartridge.h>
#include <cartridge/mbc/mbc1.h>
#include <memory/ram.h>
#include <memory/bus.h>
#include <memory/register.h>
#include <fstream>
#include <thread>
#include <chrono>
#include <cstring>
#include <iostream>
#include <iomanip>
int main(int argc, char** argv)
{
if(argc < 2)
return 1;
std::ifstream file(argv[1]);
Cartridge cart(file);
if(cart.type() != CT_MBC1)
return 2;
RAM wram1(0x1000);
RAM wram2(0x1000);
RAM hram(0x100);
RAM oam(0x100);
MBC1 mbc1(cart);
ConstRegister ly_reg(0x90);
Bus b;
b.map_device(0x0000, 0x7FFF, &mbc1);
b.map_device(0xA000, 0xBFFF, &mbc1, 0xA000);
b.map_device(0xC000, 0xCFFF, &wram1);
b.map_device(0xD000, 0xDFFF, &wram2);
b.map_device(0xE000, 0xFDFF, &wram1);
b.map_device(0xFE00, 0xFE9F, &oam);
b.map_device(0xFF44, 0xFF44, &ly_reg);
b.map_device(0xFF80, 0xFFFE, &hram);
Cpu cpu(&b);
BoundRegister ie_mapped(cpu.state.IE);
BoundRegister if_mapped(cpu.state.IF);
b.map_device(0xFFFF, 0xFFFF, &ie_mapped);
b.map_device(0xFF0F, 0xFF0F, &ie_mapped);
cpu.state.A = 0x1;
cpu.state.carry = true;
cpu.state.halfcarry = true;
cpu.state.subtract = false;
cpu.state.zero = true;
cpu.state.B = 0x00;
cpu.state.C = 0x13;
cpu.state.D = 0x00;
cpu.state.E = 0xD8;
cpu.state.H = 0x01;
cpu.state.L = 0x4D;
cpu.state.SP = 0xFFFE;
cpu.state.PC = 0x100;
const std::chrono::milliseconds delay(10);
try {
while(!cpu.state.stopped)
{
std::cout
<< "A:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.A
<< " F:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.getF()
<< " B:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.B
<< " C:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.C
<< " D:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.D
<< " E:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.E
<< " H:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.H
<< " L:" << std::setfill('0') << std::setw(2) << std::hex << std::uppercase << (unsigned)cpu.state.L
<< " SP:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.SP
<< " PC:" << std::setfill('0') << std::setw(4) << std::hex << std::uppercase << (unsigned)cpu.state.PC
<< " PCMEM:"
<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC) << ","
<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+1) << ","
<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+2) << ","
<< std::setw(2) << std::hex << std::uppercase << (unsigned)b.read8(cpu.state.PC+3) << std::endl;
cpu.step();
if(cpu.state.halted)
std::this_thread::sleep_for(delay);
}
} catch(CpuException& e) {
std::cerr << e.what() << std::endl;
}
}