public void ExchangeRegisterSetWorksAsExpected()
{
// --- Arrange
var regs = new Registers();
regs.BC = 0xABCD;
regs._BC_ = 0x2345;
regs.DE = 0xBCDE;
regs._DE_ = 0x3456;
regs.HL = 0xCDEF;
regs._HL_ = 0x4567;
// --- Act
regs.ExchangeRegisterSet();
// --- Assert
regs.BC.ShouldBe((ushort)0x2345);
regs._BC_.ShouldBe((ushort)0xABCD);
regs.DE.ShouldBe((ushort)0x3456);
regs._DE_.ShouldBe((ushort)0xBCDE);
regs.HL.ShouldBe((ushort)0x4567);
regs._HL_.ShouldBe((ushort)0xCDEF);
}
void EXX()
{
Registers.ExchangeRegisterSet();
}