public void UpdateKeyState_ChangeStateToPressedAndCheckBitfield_BitSet(ControllerKey key)
{
AgbMemoryMap memoryMap = new AgbMemoryMap();
AgbController controller = new AgbController(memoryMap, null);
controller.UpdateKeyState(key, true);
ushort mmioValue = memoryMap.ReadU16(0x4000130);
Assert.True(BitUtil.IsBitSet(mmioValue, (int)key));
}
public AgbDevice()
{
MemoryMap = new AgbMemoryMap();
Cpu = new AgbCpu(MemoryMap);
Ppu = new AgbPpu(MemoryMap, Cpu);
Controller = new AgbController(MemoryMap, Cpu);
MemoryMap.RegisterRegion(new InternalWramRegion());
MemoryMap.RegisterRegion(new ExternalWramRegion());
PostBootFlag = 0;
MemoryMap.RegisterMmio(0x4000300, () => PostBootFlag, (x) => PostBootFlag = x);
}
public void UpdateKeyState_OnlyAPressedWithLogicalAndInterrupts_CpuNotInterrupted()
{
AgbMemoryMap memoryMap = new AgbMemoryMap();
AgbCpu cpu = new AgbCpu(memoryMap);
AgbController controller = new AgbController(memoryMap, cpu);
memoryMap.WriteU32(0x4000208, 1); // IME = 1
memoryMap.WriteU16(0x4000200, 0x1000); // IE = Key
memoryMap.WriteU16(0x4000132, 0xC003); // Key interrupts enabled, logical AND, A and B
memoryMap.FlushMmio();
controller.UpdateKeyState(ControllerKey.A, true);
Assert.Equal(CpuMode.User, cpu.CurrentStatus.Mode);
}
public void UpdateKeyState_ChangeAStateToPressedWithLogicalOrInterrupts_CpuInterrupted()
{
AgbMemoryMap memoryMap = new AgbMemoryMap();
AgbCpu cpu = new AgbCpu(memoryMap);
AgbController controller = new AgbController(memoryMap, cpu);
memoryMap.WriteU32(0x4000208, 1); // IME = 1
memoryMap.WriteU16(0x4000200, 0x1000); // IE = Key
memoryMap.WriteU16(0x4000132, 0x4003); // Key interrupts enabled, logical OR, A or B
memoryMap.FlushMmio();
controller.UpdateKeyState(ControllerKey.A, true);
Assert.Equal(CpuMode.Irq, cpu.CurrentStatus.Mode);
}
