单片机的Led点阵广告牌设计毕业论文 - 图文

郑州职业技术学院

ADD A,R5 ;如大于256，C=1 MOV R0,A JNC DP INC R1 DP:

MOV A,20H ;DPL初值

毕业设计（论文）

MOV A,R0 ;如字需移动，用该指令

ADD A,22H ;如大于256，C=1。因DPL初值在90H以上，显示4个字后DPH将加1，导致判断失误 MOV A,DPH

SUBB A,21H ;已显示字的数量（乘8） CJNE A,23H,LOOP ;DPH中的字是否完成？ CLR C MOV A,DPL

SUBB A,20H ;已显示字的数量

CJNE A,22H,LOOP ;DPL中的字是否完成？ lJMP MIAN

DELAY:MOV R2,#2 ;延时1ms D1 :MOV R3,#248 DJNZ R3,$ DJNZ R2,D1 RET TAB: Db

0xFF,0xFB,0xFF,0xFB,0xFF,0xFB,0x8F,0xFB,0x6D,0xFB,0x53,0xFB,0x57,0xFB,0x07,0x80 Db

0x53,0xFD,0x75,0xFD,0x96,0xFD,0xE7,0xFD,0xFF,0xFD,0xFF,0xFD,0xFF,0xFF

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郑州职业技术学院

,0xFF,0xFF ;单 db

毕业设计（论文）

0xFF,0xFF,0xFF,0xDF,0xFF,0xEF,0xFF,0xF3,0x01,0xFC,0xDF,0xFE,0xDF,0xFE,0xDF,0xFE db

0x5F,0xFF,0x60,0xC0,0xEF,0xFF,0xEF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ;片 db

0xFF,0xFB,0xDF,0xFD,0xDF,0xFE,0x00,0xC0,0x6F,0xFF,0xEF,0xEE,0xFF,0xF7,0xFF,0xF9 db

0x0F,0xFE,0xF7,0xFF,0x17,0xF8,0xE7,0xF7,0xFF,0xF7,0xFF,0xF7,0xFF,0xF1,0xFF,0xFF ;机 db

0xBF,0xFF,0xBF,0xFF,0x1B,0xE0,0xF3,0xF7,0xFF,0xEB,0xF3,0xF6,0xCB,0xFA,0xD5,0xFC db

0x01,0x80,0x55,0xFE,0x5D,0xFD,0x61,0xFB,0x7F,0xF3,0xFF,0xF7,0xFF,0xF7,0xFF,0xFF ;课 db

0xBF,0xF7,0xBF,0xFB,0xB7,0xFD,0xB7,0xFE,0x03,0x80,0xD9,0xFE,0xDF,0xED,0xFF,0xEF db

0x47,0xED,0x5B,0xED,0x5B,0xE0,0xAB,0xF6,0xA3,0xF6,0xFF,0xF7,0xFF,0xF7,0xFF,0xFF

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郑州职业技术学院

;程 db

毕业设计（论文）

0xBF,0xFF,0xDF,0xFF,0x1D,0xE0,0xFB,0xF7,0xFF,0xDB,0xBF,0xDF,0xDF,0xEE,0x63,0xF5 db

0x7D,0xFB,0x7D,0xF5,0x41,0xEE,0xDF,0xCF,0xDF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xFF ;设 db

0xBF,0xFF,0xBF,0xFF,0xDF,0xFF,0x1D,0xF0,0xFB,0xFB,0xFF,0xFD,0xBF,0xFF,0xBF,0xFF db

0xBF,0xFF,0x00,0x80,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xDF,0xFF,0xFF,0xFF,0xFF,0xFF

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郑州职业技术学院 毕业设计（论文）

参考文献

[1] 李全利.单片机原理及接口技术.2009年第二版，245～305 [2] 肖红兵.跟我学用单片机.2006年第二版，210～263

[3] 李群芳. 基于Proteus的单片机可视化软硬件仿真.北京航空航天大学出版社 2007，218～259

[4] 张义和陈敌北编著. 例说8051.2007，213～230

[5] 李建忠编著.单片机原理及应用.西安电子科技大学出版社.2009，220～245

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