单片机播放音乐实验(汇编) org 0000h ajmp main org 000bh ajmp timer0 org 0030h timer0: clr ea djnz 33h
单片机播放音乐实验(汇编) 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 dj...
单片机播放音乐实验(汇编) 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 dj...
MOV P2 ,#0FFH MOV P3 ,#0FFH ACALL DEL AJMP MAIN ORG 0200H DEL: MOV R5,#04H F3: MOV R6,#0FFH F2: MOV R7,#0FFH F1: DJNZ R7,F1 DJNZ R6,F2 ...
;片内 RAM 初始化子程序 IBCLR: MOV A,R0 MOV R1,A CLR A IBC1 : MOV @R1,A INC R1 DJNZ R7,IBC1 RET ;片外 RAM 初始化子程序 EBCLR1: MOV A,ADDPL MOV DPL,A...
基于C语言实现的精确延时程序,采用while循环结合DJNZ指令优化时间控制,适用于嵌入式系统开发。通过低级代码操作提升延时精度,支持多平台移植与性能调优。...
MCS-51单片机实用子程序库 ;片内RAM初始化子程序IBCLR: MOV A,R0MOV R1,ACLR AIBC1 : MOV @R1,AINC R1DJNZ R7,IBC1RET;片外RAM初始化子程序EBCLR1: MOV A,ADDPLMOV DPL,AMOV A,ADDPHMOV D...