單片機播放音樂實驗（匯編）
org 0000h
ajmp main
org 000bh
ajmp timer0
org 0030H
timer0:
clr ea
djnz 33h,exit
mov 33h,53h
djnz 32h,exit
mov 32h,52h
djnz 31h,exit1
mov 31h,51h
djnz 30h,exit1
setb f0
ajmp exit
exit1: cpl p2.1
exit: setb ea
reti
main:
mov tmod,#02h
mov ie,#82h
mov th0,#254
mov tl0,#254
mov dptr,#tab
main1:
mov 40h,#00h
標簽：
timer0
org
ajmp
0000h
上傳時間：
2013-12-31
上傳用戶：thinode
基于AT89C2051的紅外遙控學習器源程序6 源程序 ORG 0000H AJMP MAIN ORG 0003H AJMP KEYPRESS ORG 000BH AJMP TIMEOUT ORG 001BH AJMP TIMEOUT
SENDDUAN BIT P3.0 JIEDUAN BIT P3.1 INTRPO BIT P3.2 JIEXUAN BIT P3.3 SENDLIGHT BIT P3.4 JIELIGHT BIT P3.5 CS BIT P3.7 DATADUAN BIT P1.6 CLK BIT P1.7 JIANWEI EQU R5 JIANMA EQU R6 SHANGJIAN EQU 07H;R7 OPENKEY EQU 81H CLOSEKEY EQU 00H CHUT0 EQU 11H CHUT1 EQU 11H BUFBEGIN EQU 18H OPENT1 EQU 88H CLOSET1 EQU 00H OPENT0 EQU 82H CLOSET0 EQU 00H DATABEG1 EQU 0AAH DATABEG2 EQU 33H
ORG 0030HMAIN: MOV IE,#80H MOV IP,#00H MOV P3,#0FFH CLR CS SETB P1.0 SETB P1.1 SETB P1.2 CLR P1.3 CLR P1.4 CLR P1.5 CLR P1.6 CLR P1.7 MOV R3,#80H MOV R0,00HCYCLE1: MOV @R0,#00H INC R0 DJNZ R3,CYCLE1 MOV PSW,#00H MOV SP,#07H
MOV TMOD,#11H MOV TCON,#00H
START: MOV SP,#07H SETB SENDDUAN CLR F0 SETB EXOWAITKEY: MOV C,F0 JNC WAITKEY CJNC JIANMA,#1BH,SEND LCALL LEARNP LJMP STARTSEND: LCALL SENDP LJMP START
SENDP: SETB SENDDUAN CLR F0 MOV TMOD,#CHUT1
標簽：
C2051
2051
89C
AT
上傳時間：
2013-10-15
上傳用戶：lyy1234
