bit nf=0; //闹钟开标志:受水银影响
bit gk=0; //光控开标志
bit nk=0; //闹钟开标志:受设置影响
bit nx=1; //闹钟响标志:受时间影响
bit ps=0; //颠倒开关标志
bit flag1=1,
wflag1=0;
int ld=1;
char menu=0;
char flag;
//没有小数点 共阳数码管
uchar table1[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,
0x80,0x90,0xff,0x88,0xc7}; //c4
//显示小数点 a l
uchar table2[]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,
0x00,0x10,0xff,};
//倒没有小数点
uchar table3[]={0xC0,0xCF,0xA4,0x86,0x8B,0x92,0x90,0xC7,
0x80,0x82,0xff,};
//倒显示小数点
uchar table4[]={0x40,0x4F,0x24,0x06,0x0B,0x12,0x10,0x47,
0x00,0x02,0xff,0x70,};