单片机C语言程序，请高手们看看，老是有问题但是找不出来。

#include #define uint unsigned int //缩写 #define uchar unsigned char // 缩写 sbit dula=P2^6; sbit wela=P2^7; uchar code table[]={ 0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07, 0x7f,0x6f,0x77,0x7c, 0x39,0x5e,0x79,0x71}; //数码