text1.asm

LED测试段码 开发环境：keil c / Proteus6.9

	ORG	0100H
	AJMP	MAIN
MAIN:	MOV	R0,#00H
LOOP:	MOV	DPTR,#TAB
	MOV	A,R0
	CJNE	A,#10H,NEXT
	AJMP	MAIN
NEXT:	MOVC	A,@A+DPTR
	MOV	P2,A
	INC	R0
	ACALL 	DELAY
	AJMP	LOOP
	AJMP	MAIN
DELAY:	MOV	R5,#05H
DEL1:	MOV	R6,#0FFH
DEL:	MOV	R7,#0FFH
	DJNZ	R7,$
	DJNZ	R6,DEL
	DJNZ	R5,DEL1
	RET

TAB:	DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H
	DB 7FH,6FH,77H,7CH,39H,5EH,79H,71H
 	END