Intel 210200-002 manual Zao

				APPENDIX
BENCHMARK:		Bubble	Sort
PROCESSOR:		zao
			; REGI STER USAGE:
			BC	ACCUMULATOR
			DE	- ACCUMULATOR
			HL	COUNT
			HL	ACCUMULATOR
			IX	ARRAY POINTER
			DE	TEMPORA~Y STORAGE
Bytes	Cycles
2	a		SET	FLAG,A	;Set	FLAG		bit	to	array
4	14		LD	IX,PTR	;Load		pOinter
3	10		LD	DE,l	;Load		decrement constant
	aLI:		BIT	FLAG,A	;Test		FLAG
	71lt!		JR	Z,DONE	;Done		if zero
	8		RES	FLAG,A	;Reset		FLAG
	10		LD	HL,C04NT-l	;Load		COUNT
1	4	L2:	EXX
3	19		LD	C,(IX+O)	;Load		data	(I)
3	19		LD	B,(IX+l)
3	19		LD	L, (.IX+2)	;Load		data	(1+1)
3	19		LD	H,(IX+3)	;Save		date	in	DE
1	4		LD	E,L
1	4		LD	D,H	;Clear		carry		flag
1	4		AND	A,A
1	11		SBC	HL,BC	;Compare data
2	7Il t!		JR	NC,NOEX	;No ex		if	data(I)		data(I+l)
3	19		LD	(IX+2)C	;Exchange
3	19		LD	(IX+2)B
3	19		LD	(IX+O)E
3	19		LD	(IX+l )D	;Set	exchange			flag
2	8		SET	FLAG,A

14 NOEX: EXX

1	6	INC		IX		;Increment Pointer
1	6	INC		IX
t!	8	AND		A,A		;Clear carry flag
1	11	SBC		HL',DE'		;Decrement COUNT
2	7Il t!	JR		NZ, U		;Jump if COUNT not zero
3	10	JP		Ll		;Another pass
		DONE:
		62	bytes	of	code
		30	lines	of	code

19 AFN·01664A