zwd.asm

protues上的转弯灯原理图和ASM源码

      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