是用汇编语言编写的一段音乐程序。系采用51系列芯片和少量的外围元件（如还声器件--扬声器等）组成硬件系统，装载此段程序后，可发出动听的音乐。-Is a piece of music written in assembly language programs. System uses 51 chips and a small number of external components (such as the sound device is also- loudspeakers, etc.) the composition of hardware system, load this section procedures, may issue a sounding music.