红外线遥控器解码程序(汇编)





ORG 0000H

AJMP MAIN

ORG 0003H 外部中断INT0入口地址

AJMP INT 转中断服务子程序

MAIN: MOV SP,#40H

MOV P1,#00H

SETB EA 开CPU中断

SETB IT0 设定INT0触发方式

SETB EX0 INT0请求中断



DSP: MOV R2,#9 将遥控器键值转化成A（0～9）

MOV DPTR,#TAB1

VV: MOV A,R2

MOVC A,@A+DPTR

XRL A,1CH

JZ ABC

DJNZ R2,VV

ABC: MOV A,R2

MOV DPTR,#TAB ；将A的值通过数码管显示出来

-infrared remote control decoder (Compendium) ORG 0000H AJMP MAIN ORG 000 3H external interrupt INT0 address AJMP INT entrance to a break in service subroutine MAIN : MOV SP, # 40H MOV P1, # 00H CPU SETB EA opening set interrupted SETB Indium-Tin-Oxide Substrates INT0 trigger mode SETB EX0 INT0 request interrupted DSP : MOV R2, # 9 will be the remote control keys into A (0 ~ 9) MOV DPTR, # TAB1 VV : MOV A, R2 MOVC A, @ A DPTR photolithography A, interruptive JZ ABC DJNZ R2, VV ABC : MOV A, R2 MOV DPTR, # TAB; A digital value through the tube show