摘要
本文介绍了Z80-PIO的非中断使用,列举一些输入输出的特殊用法,使Z80—PIO的使用更为完善。
A new method of operating Z80-PIO without using interrupt. is introduced. Sample programs of I/O, emplpying both methods, with and without interrupt, for more satisfactory Z80-PIO operation are presented.
