88点阵左移并显示单片机程序.doc

8*8点阵左移并显示 I LOVE U 动态显示I LOVE U 给你们源程序： ORG 00HSTART: MOV A,#00 MOV P0,A CALL DIS CALL DELAY JMP STARTDIS: MOV R2,#25 MOV 20H,#00D4: MOV R4,#00H MOV R1,#0F5HD5: MOV R6,#08 MOV R0,20HD2: CALL READ1 INC R4 DJNZ R6,D2 MOV R4,#00H DJNZ R1,D5 MOV 20H,R0 DJNZ R2,D4 RETREAD1: MOV A,R4 MOV P2,A MOV A,R0 MOV DPTR,#TABLE MOVC A,@A+DPTR MOV P0,A INC R0 MOV R3,#100 DJNZ R3,$ MOV A,#00H MOV P0,A RETDELAY: MOV R3,#200D7: MOV R5,#248 DJNZ R5,$ DJNZ R3,D7 RET TABLE:DB 00H,00H,00H,00H,00H,00H,00H,81HDB 00H,00H,00H,00H,00H,00H,81H,0FFHDB 00H,00H,00H,00H,00H,81H,0FFH,81HDB 00H,00H,00H,00H,81H,0FFH,81H,00HDB 00H,00H,00H,81H,0FFH,81H,00H,00HDB 00H,00H,81H,0FFH,81H,00H,00H,00HDB 00H,81H,0FFH,81H,00H,00H,00H,38HDB 81H,0FFH,81H,00H,00H,00H,38H,7CHDB 0FFH,81H,00H,00H,00H,38H,7CH,7EHDB 81H,00H,00H,00H,38H,7CH,7EH,3FHDB 00H,00H,00H,38H,7CH,7EH,3FH,7EHDB 00H,00H,38H,7CH,7EH,3FH,7EH,7CHDB 00H,38H,7CH,7EH,3FH,7EH,7CH,38HDB 38H,7CH,7EH,3FH,7EH,7CH,38H,00HDB 7CH,7EH,3FH,7EH,7CH,38H,00H,00HDB 7EH,3FH,7EH,7CH,38H,00H,00H,00HDB 3FH,7EH,7CH,38H,00H,00H,00H,0FCHDB 7EH,7CH,38H,00H,00H,00H,0FCH,02HDB 7CH,38H,00H,00H,00H,0FCH,02H,01HDB 38H,00H,00H,00H,0FCH,02H,01H,01HDB 00H,00H,00H,0FCH,02H,01H,01H,02HDB 00H,00H,0FCH,02H,01H,01H,02H,0FCHDB 00H,0FCH,02H,01H,01H,02H,0FCH,00HDB 0FCH,02H,01H,01H,02H,0FCH,00H,00HDB 02H,01H,01H,02H,0FCH,00H,00H,00H end 看到总舵主的支持 一激动 就把电路图上传，驱动电路可以参考： 这是硬件接线  26课:单片机矩阵式键盘接口技术及程序设计 作者：????来源：本站原创????点击数： 2031???更新时间：2007年08月14日??? 　 在单片机系统中键盘中按钮数量较多时，为了减少I/O口的占用，常常将按钮排列成矩阵形式，如图1所示。在矩阵式键盘中，每条水平线和垂直线在交叉处不直接连通，而是通过一个按钮加以连接。这样，一个端口（如P1口）就能组成4*4=16个按钮，比之直接将端口线用于键