摘要
该文首先根据Intel8253/8254定时器的基本功能及内部结构,介绍了8253/8254定时器构成发声 系统的外围接口电路。最后依据乐曲发声原理,用汇编语言编制一段乐曲开发程序。
This arcticle introduces the extemal interface circuit of Intel 8253/8254 timer' s voice system on the basis of its fundament function and internai structure. It also compilse a music developlnent program in sembiy lan-guage by employing the music voice principle.
出处
《鄂州大学学报》
2003年第4期22-24,共3页
Journal of Ezhou University
