源程序：
- #include <reg51.h>
- unsigned char table1[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07};
- unsigned char table2[]={0x00,0x10,0x20,0x30,0x40,0x50,0x60,0x70};
- void delay(unsigned int a)
- {
- while(a--);
-
- }
- void main()
- {
-
-
- unsigned char i;
- while(1)
- {
- for (i=0;i<8;i++)
- {
- P1=table2[i];
-
- P2=table1[i];
- delay(200);
-
- }
- }
-
- }
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