key scan原理的相關文章
key scan原理的相關商品
第四章I/O界面原理
瀏覽:496
日期:2024-05-29
MOV PD,a ;scan data out. CALL Segment. Page 5-78 ... SUB a,Key_DataBuffer.
SZ Z. JMP OnlyOneInColumn ;determine only one key is pressed in a column....看更多