8-11-2.asm

书籍8051入门篇

;8-11-2.ASM
$MOD51
BUFFER		DATA	030H
NUMBER		EQU	10
CHECK		BIT	P1.0
;
		MOV	BUFFER,#11
		MOV	A,BUFFER
		CJNE	A,#NUMBER,NEQ	; (BUFFER)-NUMBER
NEQ:		JC	ST
		SJMP	GT_EQ
;(BUFFER)>=NUMBER
GT_EQ:		SETB	CHECK
		SJMP	$
;(BUFFER)<NUMBER
ST:		CLR	CHECK
		SJMP	$
;
		END