检测电机1s最大转速.asm

开发平台,任一MCS-51单片机上,很多程序,如键盘,显示,液晶驱动

ORG 00H
LJMP START
ORG 00BH
LJMP T00
ORG 0030H

START:MOV IE,#0FFH
      MOV TMOD,#51H
      MOV R6,#00H
      MOV R7,#00H
      MOV TH0,#3CH
      MOV TL0,#0AFH
      MOV TH1,#00H
      MOV TL1,#00H
      SETB TR0
      SETB TR1
      AJMP $
T00:INC R7
   CJNE R7,#14H,STEUP
   CLR TR0
   CLR TR1
   MOV R6,TL1
    
   AJMP $
   RETI
STEUP:MOV TH0,#3CH
      MOV TL0,#0AFH
RETI

END