public virtual void TestException()
{
bus.WriteLong(0x08, 0x56789);
bus.WriteLong(0x0c, 0x12345);
bus.WriteLong(0x10, 0x23456);
cpu.SetPC(0x32);
cpu.SetSR(0x04);
cpu.SetAddrRegisterLong(7, 0x0100);
cpu.SetSSP(0x0200);
cpu.RaiseException(2);
Assert.Equal(0x56789, cpu.GetPC());
Assert.Equal(0x01fa, cpu.GetAddrRegisterLong(7));
Assert.Equal(0x0100, cpu.GetUSP());
Assert.True(cpu.IsSupervisorMode());
int sr = cpu.PopWord();
int pc = cpu.PopLong();
Assert.Equal(0x04, sr);
Assert.Equal(0x32, pc);
cpu.SetSR(sr);
Assert.False(cpu.IsSupervisorMode());
Assert.Equal(0x0100, cpu.GetUSP());
Assert.Equal(0x0100, cpu.GetAddrRegisterLong(7));
Assert.Equal(0x0200, cpu.GetSSP());
}
public int Execute(int opcode)
{
int vector;
if ((opcode & 0xf000) == 0xa000)
{
vector = 10;
}
else if ((opcode & 0xf000) == 0xf000)
{
vector = 11;
}
else
{
vector = 4;
}
cpu.RaiseException(vector);
return(34);
}
