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)				ST:		CLR	CHECK
						SJMP	$
				;
						END