public PtrMemoryWriter(RangeContainer container, MMU mmu, uint dest)
{
dest = BitConverter.ToUInt32(container.Memory, (int)dest);
MMU = mmu;
Dest = dest;
}
//Initialize a new CPU
public CPU()
{
//Create a new MMU
mmu = new MMU(MMU.standardMap);
//TODO: add other initialization
}
public InstructionTests()
{
_mmu = new MMU();
_ppu = new PPU(_mmu);
_input = new Input(_mmu);
_cpu = new CPU(_mmu, _ppu, _input);
}
public TestVM ExecuteTestVM(string testCode)
{
CompilationContext context = CmCompiler.CompileText(testCode);
byte[] objectCode;
using (var s = new MemoryStream())
{
CmCompiler.CreateObjectCode(s, new RIVMArchitecture(), context.GetIR(), context.GetStringConstants(), context.GetGlobalVariables(), context.GetFunctions());
objectCode = s.GetBuffer();
}
byte[] executableCode;
using (var s = new MemoryStream())
{
CmLinker.Link(s, new List <byte[]> {
objectCode
}, false, SystemMemoryMap.BIOS_ROM_START);
executableCode = s.GetBuffer();
}
var bios = new BIOS(executableCode);
var mmu = new MMU(SystemMemoryMap.BIOS_STACK_END, bios, null, null);
var cpu = new CPU(mmu);
cpu.Start();
return(new TestVM(cpu));
}
public RegisterTests()
{
_mmu = new MMU();
_ppu = new PPU(_mmu);
_input = new Input(_mmu);
_cpu = new CPU(_mmu, _ppu, _input);
}
public void SetUp()
{
mmu = new MMU();
regs = new Registers(mmu);
cpu = new CPU(mmu, regs);
regs.SP--;
}
public void UpdateCGB(MMU mmu, int value)
{
int register = mmu.ReadByte(PaletteIndexAddress);
bool increment = Bitwise.IsBitOn(register, 7);
int index = register & 0x3F;
int colorToModify = (index % 8) / 2;
if ((index % 8) % 2 == 0)
{
red[colorToModify] = value & 0x1F;
green[colorToModify] = (green[colorToModify] & 0x18) | (value >> 5);
}
else
{
green[colorToModify] = (green[colorToModify] & 0x07) | ((value & 0x03) << 3);
blue[colorToModify] = (value >> 2) & 0x1F;
}
Colors[colorToModify].R = (int)((red[colorToModify] / 31.0) * 255);
Colors[colorToModify].G = (int)((green[colorToModify] / 31.0) * 255);
Colors[colorToModify].B = (int)((blue[colorToModify] / 31.0) * 255);
if (increment)
{
index = (index + 1) % 64;
mmu.WriteByte(index | (0x80), PaletteIndexAddress);
}
}
public void StartAlgoritmo()
{
while (controlador)
{
if (RAM.Processos.Count > 1)
{
var processo = RAM.Processos[1];
if (processo.Nome != "Windows 10")
{
MMU.AdicionarProcesso(processo);
Thread.Sleep(1000);
CPU.AdicionarProcesso(processo);
Thread.Sleep(quantum * 1000);
processo.TempoExecucao = processo.TempoExecucao - quantum;
if (processo.TempoExecucao <= 0)
{
CPU.RemoverProcesso();
}
else
{
CPU.VoltarProcesso(processo);
}
}
}
}
}
/// <summary>
/// Sets the cache for the CPU passed in with size matching the largest program in the job file
/// </summary>
/// <param name="core">Core the cache is set for</param>
static void LoadCPUCache(CPU core)
{
core.Cache = new Word[Driver.LargestProgram];
for (int i = 0; i < core.ActiveProgram.ProgramSize; i++)
{
core.Cache[i] = MMU.ReadWord(i, core.ActiveProgram);
}
}
public void Setup()
{
cart = new Cartridge(TestCartsPaths.tetris);
clock = new Clock();
ppu = new PPU(clock);
mmu = new MMU(cart, ppu, clock);
reg = new Registers(mmu);
cpu = new CPU(mmu, reg);
}
public VMInternalState1()
{
ShiftRotateUnit = MainModule.GetOrCreateGClass19();
ALU = MainModule.GetOrCreateALU();
object_3 = MainModule.GetOrCreateGClass11();
RegisterContainer = MainModule.smethod_59();
Registers = MainModule.GetOrCreateRegisters();
MMU = MainModule.smethod_53();
}
public void ReadWriteWord()
{
var mmu = new MMU();
ushort testword = 0xf1b2;
mmu.WriteWord(0xff80, testword);
Assert.That(mmu.rw(0xff80), Is.EqualTo(testword));
}
public OpcodeTests()
{
var gpu = new GPU();
var cpu = new CPU();
var mmu = new MMU();
Bus.Init(cpu, gpu, mmu);
_romReader = new Mock <IROMReader>();
_gameboy = new GameboyDevice(_romReader.Object);
}
public GameBoyEmu(uint width, uint height, uint x = 0, uint y = 0) : base("GameBoyEmu", width, height, x, y)
{
Rom = Files.TetrisRom;
mmu = new MMU();
cpu = new CPU(mmu);
ppu = new PPU();
timer = new TIMER();
joypad = new JOYPAD();
mmu.loadGamePak(Rom);
}
public GameBoyEmulator(CPU cpu, MMU mmu)
{
_cpu = cpu;
_mmu = mmu;
_graphics = new GraphicsDeviceManager(this)
{
PreferredBackBufferWidth = 1800,
PreferredBackBufferHeight = 1000
};
IsMouseVisible = true;
}
public EmuBytePusher(ConfigsBytePusher aConfigs)
{
m_configs = aConfigs;
m_cpu = new CPU();
m_mmu = new MMU();
m_cpu.BindMMU(m_mmu);
// Temp bind
DrawDisplay = (aVRAM, aStartOffset) => { };
PlayAudio = (aRAM, aStartOffset) => { };
UpdateInputKeys = (aRAM, aStartOffset) => { };
}
public GameBoy(string rom)
{
this.cart = new Cartridge(rom);
//build the hardware and load the cartridge/
this.clock = new Clock();
this.ppu = new PPU(clock);
this.JoyPad = new Joypad();
this.sound = new Sound(clock);
this.memory = new MMU(this.cart, this.ppu, this.clock, sound, JoyPad);
this.cpu = new CPU(this.memory, clock);
this.PowerSwitch = true;
}
static void Main()
{
MMU mmu = new MMU();
mmu.LoadRom("roms\\Tetris.gb");
cpu = new CPU(mmu);
Thread a = new Thread(ThreadExec);
a.Start();
using (GameBoyEmulator game = new GameBoyEmulator(cpu, mmu))
game.Run();
}
public void TestGPUMode3ToMode0Timing()
{
CPU cpu = new CPU(new GPU());
MMU mmu = new MMU();
var rom = new ROM();
cpu.GPU.LCDC = LCDC.LCDEnable;
decimal timeSpentMicroSec = 0;
while (cpu.GPU.Mode != GPUMode.Mode3)
{
cpu.Exec(0x00);
if (cpu.InstructionsCount > 10000)
{
Assert.Fail("GPU did not changed to correct state");
}
}
GPUMode gpuMode = cpu.GPU.Mode;
while (true)
{
cpu.Exec(0x00);
timeSpentMicroSec += (decimal)1.0 / cpu.ClockFrequencyMhz * cpu.LastInstructionClockTime;
var newMode = cpu.GPU.Mode;
if (gpuMode != newMode)
{
if (newMode == GPUMode.Mode0)
{
Assert.IsTrue(timeSpentMicroSec > 41);
Assert.IsTrue(timeSpentMicroSec < 42M);
return;
}
else
{
Assert.Fail("GPU Mode should transition from Mode0 to Mode2");
}
}
if (cpu.InstructionsCount > 10000)
{
Assert.Fail("GPU did not changed to correct state");
}
}
}
public void LoadFile(byte[] loadFile)
{
interruptManager = new InterruptManager();
timer = new GBTimer(interruptManager);
serial = new Serial();
audio = new GBAudio();
wram = new WRAM();
hram = new HRAM();
video = new Video(interruptManager, screen);
cart = CartLoader.LoadCart(loadFile);
input = new GBInput(interruptManager, inputHandler);
mmu = new MMU(interruptManager, cart, input, audio, timer, serial, video, wram, hram);
cpu = new CPU(interruptManager, mmu.Read, mmu.Write, mmu.UpdateTime);
}
public SpaceGameboy(IMyTextPanel screen, Action <string> Echo)
{
SpaceGameboy.Echo = Echo;
// Echo("Loading GPU");
this.gPU = new GPU(screen);
//Echo("Loading MMU");
this.mMU = new MMU();
//Echo("Loading Z80");
this.z80 = new Z80();
//Echo("Loading KEY");
this.kEY = new KEY();
//Echo("Loading TIMER");
// this.tIMER = new TIMER();
}
void MMUOnMemoryAccess(MMU mmu, ushort addr)
{
if (enableBreakPoints)
{
for (int i = 0; i < memoryBreakPoints.Count; i++)
{
if (memoryBreakPoints[i].IsActivated(addr, emu))
{
Debug.Log(string.Format("<color=blue>PAUSED on memory access: {0:X4}</color>", addr));
emu.paused = true;
break;
}
}
}
}
public int Read(MMU mmu)
{
int register = mmu.ReadByte(PaletteIndexAddress);
int index = register & 0x3F;
int colorToModify = (index % 8) / 2;
if ((index % 8) % 2 == 0)
{
return((red[colorToModify] & 0x1F) | ((green[colorToModify] & 0x07) << 5));
}
else
{
return(((green[colorToModify] & 0x18) >> 3) | (blue[colorToModify] << 5));
}
}
public void TestGPUMode0ToMode2Timing()
{
CPU cpu = new CPU(new GPU());
MMU mmu = new MMU();
var rom = new ROM();
cpu.GPU.LCDC = LCDC.LCDEnable;
cpu.GPU.Mode = GPUMode.Mode0;
decimal timeSpentMicroSec = 0;
GPUMode gpuMode = cpu.GPU.Mode;
while (true)
{
cpu.Exec(0x00);
timeSpentMicroSec += (decimal)1.0 / cpu.ClockFrequencyMhz * cpu.LastInstructionClockTime;
var newMode = cpu.GPU.Mode;
if (gpuMode != newMode)
{
if (newMode == GPUMode.Mode2)
{
// We got the new mode, check that timings are ok
// Mode0 should stay up for 204 clock, meaning 48.6µsec
Assert.IsTrue(timeSpentMicroSec > 48.5M);
Assert.IsTrue(timeSpentMicroSec < 48.7M);
return;
}
else
{
Assert.Fail("GPU Mode should transition from Mode0 to Mode2");
}
}
if (cpu.InstructionsCount > 100000)
{
Assert.Fail("GPU did not changed to correct state");
}
}
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("USAGE: gbnet bios_path rom_path [verbose]");
Console.ReadKey(); //Temporary while system is run inside VS
System.Environment.Exit(1);
}
var biosPath = args[0];
var romPath = args[1];
var verbose = (args.Length > 2 && args[2] == "true") ? true : false;
Console.WriteLine($"Verbose mode: <{(verbose ? "ON" : "OFF")}>");
Console.WriteLine("Bootstrapping emulator components...");
Console.WriteLine("Decoding BIOS into byte values...");
byte[] bios = File.ReadAllBytes(biosPath);
Console.WriteLine("Initializing component: MMU...");
var mmu = new MMU(bios);
Console.WriteLine("Initializing component: CPU...");
var cpu = new CPU(mmu);
Console.WriteLine("Decoding ROM into byte values...");
byte[] rom = File.ReadAllBytes(romPath);
Console.WriteLine("Loading ROM data into MMU...");
mmu.LoadRom(rom);
Console.WriteLine("Starting CPU cycle...");
cpu.Start(verbose);
Console.WriteLine("System terminated. Presss any key to exit...");
Console.ReadKey();
System.Environment.Exit(1);
}
static void TestPattern()
{
GPU.reset();
GPU._bgon = 1; // turn Background on
GPU._lcdon = 1; // turn LCD on
GPU._winon = 1; // turn Window on
GPU._xscrl = 0;
GPU._yscrl = 0;
// tile pattern tables are 0x8000 => 0x8FFF, or 0x8800 => 0x97FF
// set tile 0 to all 0
for (int i = 0; i < 4; i++)
{
MMU.wb(0x8000 + i, 0); // low bit
MMU.wb(0x8001 + i, 0); // high bit
}
// set tile 1 to all 1
MMU.wb(0x8002, 0xFF); // low bit
MMU.wb(0x8003, 0); // high bit
// set tile 2 to all 2
MMU.wb(0x8004, 0x00); // low bit
MMU.wb(0x8005, 0xFF); // high bit
// set tile 3 to all 3
MMU.wb(0x8004, 0xFF); // low bit
MMU.wb(0x8005, 0xFF); // high bit
// set the background tiles to all be tile 3 (all 0x3)
// Map Display Select Mode 0 0x9800 => 0x9BFF (32 * 32)
for (int i = 0; i < 32 * 32; i++)
{
MMU.wb(0x9800 + i, i % 4);
}
GPU.RenderTiles();
}
public void reset(Z80 z80, MMU mMU)
{
this.z80 = z80;
this.mMU = mMU;
Array.Clear(_vram, 0x00, _vram.Length);
Array.Clear(_oam, 0x00, _oam.Length);
// SpaceGameboy.Echo("Clearing palettes");
bgPalette[0] = '\uE00F';
bgPalette[1] = '\uE00E';
bgPalette[2] = '\uE00D';
bgPalette[3] = '\uE006';
obj0Palette[0] = '\uE00F';
obj0Palette[1] = '\uE00E';
obj0Palette[2] = '\uE00D';
obj0Palette[3] = '\uE006';
obj1Palette[0] = '\uE00F';
obj1Palette[1] = '\uE00E';
obj1Palette[2] = '\uE00D';
obj1Palette[3] = '\uE006';
// SpaceGameboy.Echo("Clearing tilemaps");
for (int i = 0; i < 512; i++)
{
_tilemap[i] = new int[8][];
for (int j = 0; j < 8; j++)
{
_tilemap[i][j] = new int[9];
for (int k = 0; k < 8; k++)
{
_tilemap[i][j][k] = 0x00;
}
}
}
}
public void BindMMU(MMU aMMU)
{
m_bbj_core.BindAddressBUS(aMMU.Read8, aMMU.Write8, aMMU.Read24, aMMU.Write24);
m_mmu = aMMU;
}
public PtrMemoryReader(RangeContainer container, MMU mmu, uint ptr, int size)
{
ptr = BitConverter.ToUInt32(container.Memory, (int)ptr);
Data = mmu.ReadBytes(ptr, size);
}
public GB()
{
mmu = new MMU(this);
cpu = new CPU(this);
cart = new Cart();
}