No.61198 作者:lyd 邮件:lydlyd@hotmail.com ID:21637 登陆:49次 文章数:6篇 最后登陆IP:59.59.166.143 最后登陆:2007/12/27 16:16:47 注册:2004/5/26 10:07:31 财富:170 发帖时间:2004/8/27 16:28:43 发贴者IP:211.138.137.18 标题:lyd:版主请帮助! 摘要:No.61198版主请帮助! 我用89S51接DS12887,片选接P2.7,通过串口发送至数码管显示时间,可程序不通, 程序如下:(请版主抽点时间看一下,谢谢了!) ORG 0000H MOV DPTR,#7F0AH MOV A,#20H MOVX @DPTR,A MOV DPTR,#7F0BH MOV A,#82H MOVX @DPTR,A MOV DPTR,#7F00H ;TIME MOV A,#00H ;S MOVX @DPTR,A INC DPTR MOV A,#00H MOVX @DPTR,A INC DPTR ;M MOV A,#00H MOVX @DPTR,A INC DPTR MOV A,#00H MOVX @DPTR,A INC DPTR ;H MOV A,#07H MOVX @DPTR,A INC DPTR MOV A,#00H MOVX @DPTR,A INC DPTR MOV A,#04H MOVX @DPTR,A INC DPTR ;DATE MOV A,#01H MOVX @DPTR,A INC DPTR MOV A,#01H MOVX @DPTR,A INC DPTR MOV A,#04H MOVX @DPTR,A ; MOV DPTR,#7F0AH MOV A,#20H MOVX @DPTR,A MOV DPTR,#7F0CH MOVX A,@DPTR MOV DPTR,#7F0DH MOVX A,@DPTR MOV DPTR,#7F0BH MOV A,#22H MOVX @DPTR,A ;KS KS: MOV DPTR,#7F0AH ;SAVE TO 30H... MOVX A,@DPTR JB ACC.7,KS MOV DPTR,#7F00H MOV R0,#30H MOV R1,#0AH SA ......
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