public void TestAllInterruptsCanBeEnabled(int interrupt, byte expectedValue)
{
var interruptRegisters = new InterruptRegisters();
interruptRegisters.RequestInterrupt((Interrupt)interrupt);
Assert.Equal(expectedValue, interruptRegisters.InterruptFlags);
}
public void TestInterruptResetWorks()
{
var interruptRegisters = new InterruptRegisters();
foreach (var interrupt in Enum.GetValues(typeof(Interrupt)).Cast <Interrupt>())
{
interruptRegisters.RequestInterrupt(interrupt);
Assert.Equal(interrupt.Mask() | 0b11100000, interruptRegisters.InterruptFlags);
interruptRegisters.ResetInterrupt(interrupt);
Assert.Equal(0b11100000, interruptRegisters.InterruptFlags);
}
}
public void TestInterruptsCanOverlap()
{
var interruptRegisters = new InterruptRegisters();
interruptRegisters.RequestInterrupt(Interrupt.VerticalBlank);
interruptRegisters.RequestInterrupt(Interrupt.LCDSTAT);
Assert.Equal(0b11100011, interruptRegisters.InterruptFlags);
interruptRegisters.RequestInterrupt(Interrupt.Timer);
interruptRegisters.RequestInterrupt(Interrupt.Serial);
Assert.Equal(0b11101111, interruptRegisters.InterruptFlags);
interruptRegisters.RequestInterrupt(Interrupt.Joypad);
Assert.Equal(0b11111111, interruptRegisters.InterruptFlags);
}
public Device(Cartridge.Cartridge cartridge, DeviceType type, IRenderer renderer, ISoundOutput soundOutput, byte[] bootRom)
{
Log = new LoggerConfiguration()
.MinimumLevel.Information()
.CreateLogger();
// A bit of double checking that we're loading a valid cartridge for the device type
if (cartridge.CGBSupportCode == CGBSupportCode.CGBExclusive && type == DeviceType.DMG)
{
Log.Error("Cartridge can't be loaded because it's CGB only and this device was created as DMG");
throw new ApplicationException("Cartridge can't be loaded because it's CGB only and this device was created as DMG");
}
Type = type;
Mode = cartridge.CGBSupportCode switch
{
CGBSupportCode.CGBExclusive => DeviceType.CGB,
CGBSupportCode.CGBCompatible => type,
CGBSupportCode.CGBIncompatible => DeviceType.DMG,
_ => throw new ArgumentOutOfRangeException()
};
Renderer = renderer;
SoundOutput = soundOutput;
InterruptRegisters = new InterruptRegisters();
ControlRegisters = new ControlRegisters();
APU = new APU(this);
LCDRegisters = new LCDRegisters(this);
Cartridge = cartridge;
MMU = new MMU(bootRom, this);
CPU = new CPU.CPU(this);
_cpuGenerator = CPU.GetEnumerator();
LCDDriver = new LCDDriver(this);
Timer = new Timer(this);
DMAController = new DMAController(this);
JoypadHandler = new JoypadHandler(this);
// Set default values if there was no passed in boot rom
if (bootRom == null)
{
SkipBootRom();
}
}