MOV 31H,#01H

MOV 32H,#02H

MOV 33H,#03H

MOV 34H,#04H

MOV 35H,#05H

MOV 36H,#06H

ACALL D0

JMP $-2

D0: MOV R0,#31H

MOV R2,#11111110B

MOV DPTR,#TAB

D1: ORL P1,#00111111B

MOV A,@R0

MOVC A,@A+DPTR

MOV R3,#8

D2: RLC A

MOV P3.2,C

SETB P3.3

CLR P3.3

DJNZ R3,D2

INC R0

MOV A,R2

ANL P1,A

D3: MOV R3,#250

DJNZ R3,$

MOV A,R2

RL A

MOV R2,A

JB ACC.6,D1

RET

TAB: DB 3FH,06H,5BH,4FH

DB 66H,6DH,7DH,07H

DB 7FH,6FH,77H,7CH

DB 39H,5EH,79H,71H

DB 40H

END