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51µ¥Æ¬»ú   Keil   C   ÑÓʱ³ÌÐòµÄ¼òµ¥Ñо¿  
   
  by:   InfiniteSpace   Studio/isjfk,   1.21.2004  
   
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          ÒÔǰÓûã±àÓïÑÔдµ¥Æ¬»ú³ÌÐòµÄʱºò£¬Õâ¸öÎÊÌ⻹ÊÇÏà¶ÔÈÝÒ×½â¾öµÄ¡£±ÈÈçÓõÄÊÇ12MHz¾§ÕñµÄ51£¬´òËãÑÓʱ20us£¬Ö»ÒªÓÃÏÂÃæµÄ´úÂ룬¾Í¿ÉÒÔÂú×ãÒ»°ãµÄÐèÒª£º  
                  mov           r0,   #09h  
  loop:       djnz         r0,   loop  
  51µ¥Æ¬»úµÄÖ¸ÁîÖÜÆÚÊǾ§ÕñƵÂʵÄ1/12£¬Ò²¾ÍÊÇ1usÒ»¸öÖÜÆÚ¡£mov   r0,   #09hÐèÒª2¸ö¼«ÆäÖÜÆÚ£¬djnzÒ²ÐèÒª2¸ö¼«ÆäÖÜÆÚ¡£ÄÇô´æÔÚr0ÀïµÄÊý¾ÍÊÇ(20-2)/2¡£ÓÃÕâÖÖ·½·¨£¬¿ÉÒԷdz£·½±ãµÄʵÏÖ256usÒÔÏÂʱ¼äµÄÑÓʱ¡£Èç¹ûÐèÒª¸ü³¤Ê±¼ä£¬¿ÉÒÔʹÓÃÁ½²ãǶÌס£¶øÇÒ¾«¶È¿ÉÒÔ´ïµ½2us£¬Ò»°ãÀ´Ëµ£¬ÕâÒѾ­×ã¹»ÁË¡£  
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          ÓÃCÓïÑÔʵÏÖÑÓʱ³ÌÐò£¬Ê×ÏÈÏëµ½µÄ¾ÍÊÇC³£ÓõÄÑ­»·Óï¾ä¡£ÏÂÃæÕâ¶Î´úÂëÊÇÎÒ¾­³£ÔÚÍøÉÏ¿´µ½µÄ£º  
  void   delay2(unsigned   char   i)  
  {  
          for


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printf(¸ñʽ¿ØÖÆ, Êä³ö±íÁÐ);
%d Ê®½øÖÆÊý  %md mΪָ¶¨µÄ¿í¶È ÈôÊý¾ÝλÊýСÓÚm,Ôò×ó¶Ë²¹ÒÔ¿Õ¸ñ;Èô´óÓÚm,Ôò°´Êµ¼ÊλÊýÊä³ö
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%o °Ë½øÖÆÕûÊýÐÎʽ  %mo
%x Ê®Áù½øÖÆÕûÊýÐÎʽ  %mx
%u unsignedÐÍÊý¾Ý,ËüÒ²¿ÉÓÃ%o»ò%x¸ñʽÊä³ö
%c Ò»¸ö×Ö·û   ......

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C Language: A Example of Print Snake Matrix


// SnakeMatrix.cpp : Defines the entry point for the console application.
// Create by Xianyi.Ye, May 4,2010
#include "stdafx.h"
#include <iostream.h>
/*
Question: Print a Sanke Matrix as following
i\j 1 2 3 4 5 6
1 1 2 9 10 25 26
2 4 3 8 11 24 27
3 5 6 7 12 23 28
4 16 15 14 ......
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