; PROGRAM TO DEMO ARITHMETIC.
;
.org 0000h
		LD SP,	00A0h		; LOCATION TO OBSERVE SP.
		LD	A,	(0081h)		; GET SOURCE FROM LOCATION 0080h.
		LD	B,	A			; FOR OPERATION.
		LD	A,	(0080h)		; GET DESTINATION.
		ADD	A,	B			; ADD.
		PUSH	AF			; TRANSFER FLAGS.
		POP	HL				; GET RESULT FLAGS.
		LD	(0082h), HL		; STORE.
		SUB	B				; RESTORE.
		SUB	B				; SUBTRACT.
		PUSH	AF			; TRANSFER FLAGS.
		POP	HL				; GET RESULT, FLAGS.
		LD	(0084h), HL		; STORE.
;LOOP:	JP	LOOP			; LOOP HERE.
		HALT
.end