8-11-3.asm

书籍8051入门篇

;8-11-3.ASM
$MOD51
BUFFER		DATA	030H
NUMBER		EQU	10
CHECK		BIT	P1.0
;
		MOV	BUFFER,#11
		MOV	A,BUFFER
		CJNE	A,#NUMBER,NEQ	; (BUFFER)-NUMBER
		SJMP	ST_EQ		; (BUFFER)=NUMBER
NEQ:		JC	ST_EQ
		SJMP	GTR
;(BUFFER)>NUMBER
GTR:		SETB	CHECK
		SJMP	$
;(BUFFER)<=NUMBER
ST_EQ:		CLR	CHECK
		SJMP	$
;
		END