public virtual void TestPC()
{
bus.WriteLong(4, 305419896);
cpu.SetPC(4);
int val = cpu.FetchPCLong();
Assert.Equal(305419896, val);
Assert.Equal(8, cpu.GetPC());
cpu.SetPC(4);
val = cpu.FetchPCWord();
Assert.Equal(0x1234, val);
Assert.Equal(6, cpu.GetPC());
val = cpu.FetchPCWord();
Assert.Equal(0x5678, val);
Assert.Equal(8, cpu.GetPC());
cpu.SetPC(4);
bus.WriteLong(4, 0x12348765);
val = cpu.FetchPCWordSigned();
Assert.Equal(0x1234, val);
Assert.Equal(6, cpu.GetPC());
val = cpu.FetchPCWordSigned();
Assert.Equal(-30875, val);
Assert.Equal(8, cpu.GetPC());
}