www.pudn.com > ASM.rar > ZWD.ASM
ORG 0000H
LJMP MAIN
ORG 002BH
MAIN:MOV P1,#0FFH
ACALL DELAY
MOV A,P1
JB ACC.0,CHK
JB ACC.1,LLL
SJMP MAIN
CHK:JB ACC.1,MAIN
RRR:MOV P1,#1CH
ACALL DELAY
SJMP MAIN
LLL:MOV P1,#0E0H
ACALL DELAY
SJMP MAIN
DELAY:MOV R2,#0A0H
LOOP2:MOV R3,#0FFH
LOOP1:DJNZ R3,LOOP1
DJNZ R2,LOOP2
RETI