public void GetSet_Register_Equal(int regNum)
{
IRegisterSet registerSet = new BaseRegisterSet();
registerSet.GetRegister(regNum) = 0xFFFFFFFF;
Assert.Equal(0xFFFFFFFF, registerSet.GetRegister(regNum));
}
public void GetSet_SetOverriddenRegisterInBase_NotEqual(int regNum)
{
IRegisterSet baseSet = new BaseRegisterSet();
IRegisterSet overrideSet = new FastIrqRegisterSet(baseSet);
baseSet.GetRegister(regNum) = 0xFFFFFFFF;
Assert.NotEqual(0xFFFFFFFF, overrideSet.GetRegister(regNum));
}
public void GetSet_Register_Equal(int regNum)
{
IRegisterSet baseSet = new BaseRegisterSet();
IRegisterSet overrideSet = new OverrideRegisterSet(baseSet);
baseSet.GetRegister(regNum) = 0xFFFFFFFF;
Assert.Equal(0xFFFFFFFF, overrideSet.GetRegister(regNum));
}
public void GetSet_SetDifferentValuesForBaseAndOverride_NotEqual(int regNum)
{
IRegisterSet baseSet = new BaseRegisterSet();
IRegisterSet overrideSet = new FastIrqRegisterSet(baseSet);
baseSet.GetRegister(regNum) = 0xFFFFFFFF;
overrideSet.GetRegister(regNum) = 0xFFFFFFFE;
Assert.NotEqual(0xFFFFFFFF, overrideSet.GetRegister(regNum));
}
public AgbCpu(AgbMemoryMap memoryMap)
{
RegisterSets = new Dictionary <CpuMode, IRegisterSet>();
IRegisterSet baseSet = new BaseRegisterSet();
RegisterSets[CpuMode.User] = baseSet;
RegisterSets[CpuMode.System] = baseSet;
RegisterSets[CpuMode.FastIrq] = new FastIrqRegisterSet(baseSet);
RegisterSets[CpuMode.Irq] = new OverrideRegisterSet(baseSet);
RegisterSets[CpuMode.Supervisor] = new OverrideRegisterSet(baseSet);
RegisterSets[CpuMode.Abort] = new OverrideRegisterSet(baseSet);
RegisterSets[CpuMode.Undefined] = new OverrideRegisterSet(baseSet);
SavedStatuses = new Dictionary <CpuMode, ProgramStatus>();
SavedStatuses[CpuMode.System] = new ProgramStatus();
SavedStatuses[CpuMode.FastIrq] = new ProgramStatus();
SavedStatuses[CpuMode.Irq] = new ProgramStatus();
SavedStatuses[CpuMode.Supervisor] = new ProgramStatus();
SavedStatuses[CpuMode.Abort] = new ProgramStatus();
SavedStatuses[CpuMode.Undefined] = new ProgramStatus();
CurrentStatus = new ProgramStatus();
CurrentStatus.Mode = CpuMode.User;
InterruptMasterEnable = true;
EnabledInterrupts = 0;
AcknowledgedInterrupts = 0;
ArmInterpreter = new ArmInterpreter(this);
ThumbInterpreter = new ThumbInterpreter(this);
MemoryMap = memoryMap;
// Interrupts MMIO
memoryMap.RegisterMmio32(0x4000208, () => // IME
{
if (InterruptMasterEnable)
{
return(1);
}
else
{
return(0);
}
}, (x) =>
{
InterruptMasterEnable = BitUtil.IsBitSet(x, 0);
});
memoryMap.RegisterMmio16(0x4000200, () => // IE
{
return((ushort)EnabledInterrupts);
}, (x) =>
{
EnabledInterrupts = x;
});
memoryMap.RegisterMmio16(0x4000202, () => // IF
{
return((ushort)AcknowledgedInterrupts);
}, (x) =>
{
AcknowledgedInterrupts = x;
});
}