汉字LED点阵显示.doc

efan 23:04:26
有对汉字LED点阵显示熟悉的朋友吗?
要下雨了 23:04:51
什么问题
typhoon 23:04:54
恩
efan 23:05:11
有段程序看不太懂
efan 23:05:26
#include <>
#define int8 unsigned char
#define int16 unsigned int
#define int32 unsigned long
int8 flag;
int8 n;
int8 code table[][32]={

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*
" " */

{0x04,0x28,0x08,0x24,0x32,0x22,0xC2,0x21,0xC2,0x26,0x34,0x38,0x04,0x04,0x08,0x18,0x30,0xF0,0xC0,0x17,0x60,0x10,0x18,0x10,0x0C,
0x14,0x06,0x18,0x04,0x10,0x00,0x00},/*"欢",0*/

{0x02,0x02,0x04,0x82,0xF8,0x73,0x04,0x20,0x02,0x00,0xE2,0x3F,0x42,0x20,0x82,0x40,0x02,0x40,0xFA,
0x3F,0x02,0x20,0x42,0x20,0x22,0x20,0xC2,0x3F,0x02,0x00,0x00,0x00},/*"迎",1*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}/*
" " */
};
void delay(void);
int16 offset;
void main(void)
{
int8 i;
int8 *p;
flag=0x10;
n=0;
TMOD=0x01;
TH0=0xb1;
TL0=0xe0;
ET0=1;
EA=1;
TR0=1;
p=&table[0][0];
while (1)
{
for (i=0;i<8;i++) //显示左半边屏幕
{
P0=*(p+offset+2*i);
P2=i|0x08; //=0,=1 选中U2, 输出扫描码给U6
delay();
P0=*(p+offset+2*i+1);
P2=i|0x10; //=1,=0 选中U3, 输出扫描码给U7
delay();
}
for (i=8;i<16;i++) //显示右半边屏幕
{
P0=*(p+offset+2*i);
P2=(i-8)|0x20; //=