AT89C51制作的自动计数剪线系 ORG 0000HAJMP PLAYORG 001BHAJMP JONGPLAY: MOV P1, #0FFH: 程序初始化MOV P2, #00HMOV 70H, #00HMOV 71H, #00HMOV 72H, #00HMOV 73H, #00HMOV 74H, #00HMOV 75H, #00HMOV 76H, #00HMOV 77H, #00HMOV R1, #... 2023-06-13 AT89C51自动计数剪线系程序文章单片机51单片机