[求助]奇怪的问题

36351

程序如楼下：我用89c52建立的工程，生成hex文件用11.0593 放在论坛的板子上运行，但是只是一个灯厂亮。没有花样跑马灯的效果。高手指教

[此贴子已经被作者于2006-8-20 0:59:54编辑过]

36351

<p>#include &lt;REGX51.H&gt;</p><p>&nbsp;&nbsp; char led1[]={0x7F, 0xBF,0xDF,0xEF,0xF7, 0xFB,0xFD,0xFE};<br/>&nbsp;&nbsp; char led2[]={0xFE, 0xFD,0xFB,0xF7,0xEF, 0xDF,0xBF,0x7F};<br/>&nbsp;&nbsp; char led3[]={0x7E, 0xBD,0xDB,0xE7,0xE7, 0xDB,0xBD,0x7E};<br/>&nbsp;&nbsp; char led4[]={0x7F, 0x3F,0x1F,0x0F,0x07, 0x03,0x01,0x00};</p><p><br/>delay(int t)<br/>&nbsp; {<br/>&nbsp;&nbsp; char i,j;<br/>&nbsp;&nbsp; for(i=0;i&lt;t;i++)<br/>&nbsp;&nbsp;&nbsp;&nbsp; for(j=0;j&lt;125;j++);<br/>&nbsp; }</p><p>rot(char pt[])//可以使用指针*pt代替pt[]<br/>&nbsp; {<br/>&nbsp;&nbsp; char i;<br/>&nbsp;&nbsp; <br/>&nbsp;&nbsp; for(i=0;i&lt;8;i++)<br/>&nbsp;&nbsp;&nbsp;&nbsp; {<br/>&nbsp;&nbsp;&nbsp;&nbsp; P0=pt;<br/>&nbsp;&nbsp;&nbsp;&nbsp; delay(200);<br/>&nbsp;&nbsp;&nbsp;&nbsp; }<br/>&nbsp; }</p><p></p><p>main()<br/>&nbsp; {<br/>&nbsp;&nbsp; while(1)<br/>&nbsp;&nbsp;&nbsp;&nbsp; {<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rot(led1);<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rot(led2);<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rot(led3);<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rot(led4);<br/>&nbsp;&nbsp;&nbsp;&nbsp; }<br/>&nbsp;<br/>&nbsp; }</p><p></p>