如何让计算机用汇编语言唱歌

How to Let Computers Sing Songs with the Assembly Language

对在汇编语言环境下如何通过 82 5 3定时器和 82 5 5可编程并行通信控制器来产生声音 ,以及音符与频率之间如何建立关系进行了阐述。

The paper discusses how to use the 8253 timer and 8255 programmable parallel communication controller to produce sound under the environment of the assembly language and how to establish the relation between the note and frequency.