458809088051

代码说明：

  AT89C51制作的电子琴，有16键，还有自动播放音乐演奏功能(AT89C51 making organ, 16 keys, music player function also automatically)

文件列表：

电子琴
......\1.c,8153,2008-11-30


......\备.txt,5669,2008-11-29
......\电子琴.c,4196,2008-11-29

......\第五期实践课
......\............\演示例程
......\............\........\例程1 简单发声
......\............\........\..............\sound,2665,2008-11-30
......\............\........\..............\sound.hex,378,2008-11-30
......\............\........\..............\sound.lnp,67,2008-11-30
......\............\........\..............\sound.M51,5406,2008-11-30
......\............\........\..............\sound.Opt,1040,2008-11-30
......\............\........\..............\sound.plg,2501,2008-11-30
......\............\........\..............\sound.Uv2,2177,2008-11-21
......\............\........\..............\sound_Opt.Bak,1049,2008-11-29
......\............\........\..............\sound_Uv2.Bak,0,2008-11-21
......\............\........\..............\STARTUP.A51,6376,2008-11-30
......\............\........\..............\STARTUP.LST,10788,2008-11-30
......\............\........\..............\STARTUP.OBJ,759,2008-11-30
......\............\........\..............\嘀嘀嘀嘀（快）.c,734,2008-11-30
......\............\........\..............\嘀嘀嘀嘀（快）.LST,2260,2008-11-30
......\............\........\..............\嘀嘀嘀嘀（快）.OBJ,2144,2008-11-30
......\............\........\例程2 键盘提示音
......\............\........\................\delayT.c,345,2008-03-02
......\............\........\................\delayT.h,404,2008-03-05
......\............\........\................\delayT.LST,1533,2008-11-19
......\............\........\................\delayT.OBJ,1644,2008-11-19
......\............\........\................\key,9568,2008-11-22
......\............\........\................\key.hex,1629,2008-11-22
......\............\........\................\key.lnp,56,2008-11-22
......\............\........\................\key.M51,12835,2008-11-22
......\............\........\................\key.Opt,1560,2008-11-30
......\............\........\................\key.plg,216,2008-11-30
......\............\........\................\key.Uv2,2200,2008-11-19
......\............\........\................\key_4x3.c,1467,2008-11-22
......\............\........\................\key_4x3.h,978,2008-11-22
......\............\........\................\key_4x3.LST,3914,2008-11-22
......\............\........\................\key_4x3.OBJ,5397,2008-11-22
......\............\........\................\key_Opt.Bak,1560,2008-11-29
......\............\........\................\key_Uv2.Bak,2238,2008-11-18
......\............\........\................\main.c,2240,2008-11-22
......\............\........\................\main.LST,4828,2008-11-22
......\............\........\................\main.OBJ,4765,2008-11-22
......\............\........\................\STARTUP.A51,6376,2005-03-22
......\............\........\................\STARTUP.LST,14048,2008-11-22
......\............\........\................\STARTUP.OBJ,749,2008-11-22
......\............\........\................\建立头文件笔记.txt,157,2008-05-01
......\............\........\例程3 电子琴
......\............\........\............\key_4x3.c,1318,2008-11-22
......\............\........\............\key_4x3.h,904,2008-11-22
......\............\........\............\key_4x3.LST,3654,2008-11-30
......\............\........\............\key_4x3.OBJ,5255,2008-11-30
......\............\........\............\PlayMusic,9848,2008-11-30
......\............\........\............\PlayMusic.c,3806,2008-11-30
......\............\........\............\PlayMusic.hex,2332,2008-11-30
......\............\........\............\PlayMusic.lnp,67,2008-11-30
......\............\........\............\PlayMusic.LST,7372,2008-11-30
......\............\........\............\PlayMusic.M51,12918,2008-11-30
......\............\........\............\PlayMusic.OBJ,5054,2008-11-30
......\............\........\............\PlayMusic.Opt,1384,2008-11-30
......\............\........\............\PlayMusic.plg,1088,2008-11-30
......\............\........\............\PlayMusic.Uv2,2216,2008-11-22
......\............\........\............\PlayMusic_Opt.Bak,1386,2008-11-29
......\............\........\............\PlayMusic_Uv2.Bak,2215,2008-11-21
......\............\........\............\STARTUP.A51,6376,2008-11-30
......\............\........\............\STARTUP.LST,10788,2008-11-30
......\............\........\............\STARTUP.OBJ,759,2008-11-30
......\............\........\例程4 演奏音乐
......\............\........\..............\Buzzer,3927,2008-11-19
......\............\........\..............\Buzzer.c,2879,2008-11-19
......\............\........\..............\Buzzer.hex,1461,2008-11-19
......\............\........\..............\Buzzer.lnp,45,2008-11-19
......\............\........\..............\Buzzer.LST,5521,2008-11-19
......\............\........\..............\Buzzer.M51,6220,2008-11-19
......\............\........\..............\Buzzer.OBJ,3691,2008-11-19
......\............\........\..............\Buzzer.Opt,1029,2008-11-19
......\............\........\..............\Buzzer.plg,787,2008-11-19
......\............\........\..............\Buzzer.Uv2,2167,2008-10-29
......\............\........\..............\Buzzer_Opt.Bak,1031,2008-11-16
......\............\........\..............\Buzzer_Uv2.Bak,2162,2008-10-26
......\............\........\..............\STARTUP.A51,6376,2005-03-22
......\............\........\..............\STARTUP.LST,14048,2008-11-19
......\............\........\..............\STARTUP.OBJ,749,2008-11-19
......\............\........\例程5 音乐播放
......\............\........\..............\PlaySongs,12558,2008-11-22
......\............\........\..............\PlaySongs.c,17880,2008-11-25
......\............\........\..............\PlaySongs.hex,6841,2008-11-22
......\............\........\..............\PlaySongs.lnp,50,2008-11-22
......\............\........\..............\PlaySongs.LST,27286,2008-11-22
......\............\........\..............\PlaySongs.M51,11965,2008-11-22
......\............\........\..............\PlaySongs.OBJ,14106,2008-11-22
......\............\........\..............\PlaySongs.Opt,983,2008-11-25
......\............\........\..............\PlaySongs.plg,190,2008-11-25
......\............\........\..............\PlaySongs.Uv2,2127,2008-11-21
......\............\........\..............\PlaySongs_Opt.Bak,985,2008-11-25
......\............\........\..............\PlaySongs_Uv2.Bak,0,2008-11-21
......\............\........\附例程5取码软件