Intel 210200-002 manual Ebcbuf

APPENDIX

BENCHMARK: Block Translate

PROCESSOR: I nte 1 i APX 88

REGISTER USAGE

AL ACCUMULATOR

BX TRANSLATE TABLE POINTER CX - COUNT

SI EBCBUF POINTER

01 - ASCIBUF POINTER

Bytes	Cycles
4	8	LEA		BX,	TABLE	;Initialize		Table		Pointer
4	8	LEA		SI,	EBCBUF	;Initialize		EBCDIC Pointer
4	8	LEA		01,	ASCIBUF	;Initialize		ASCII		Pointer
4	18	MOv		CX,	COUNT	;Initialize		COUNT		flag
1	~	CLD				;Clear	direction
	16 NEXT:	LODS		EBCBUF		;Read	EBCDIC		character
	15	XlAT		TABLE		;Translate to			AS CI I
	15	STOS		ASCIBUF		;Store	translated			byte
~	3	CMP		AL,EOL		;Comp?re with			terminator
~	19/5	LOOPNE		NEXT		;Loop unless AL=EOL or ex =0
		~4	bytes	of	code
		10	lines	of	code

15 AFN-01664A