单片机程序编写 1602动态显示

Question

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?MIAN?1602
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?C_INITSEG
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit RS=P2^0;
sbit RW=P2^1;
sbit EN=P2^2;
uchar p,num,shi,fen=5,miao;
uchar table1[]=" -- -- ";
uchar table2[]=" ";
void delay(uint z)
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}
void write_com(uchar com)
{
RS=0;
P0=com;
delay(1);
EN=1;
delay(1);
EN=0;
}
void write_dat(uchar dat)
{
RS=1;
P0=dat;
delay(1);
EN=1;
delay(1);
EN=0;
}
void init()
{
RW=0;
write_com(0x38);
write_com(0x0c);
write_com(0x06);
write_com(0x01);
write_com(0x80);
for(p=0;p<16;p++)
{
write_dat(table1[p]);
delay(1);
}
write_com(0x80+0x40);
for(p=0;p<16;p++)
{
write_dat(table2[p]);
delay(1);
}
}
void chaifen_show()
{
uchar miaoshiwei,miaogewei,
fenshiwei,fengewei,shishiwei,shigewei;
miaoshiwei=miao/10;
miaogewei=miao%10;
fenshiwei=fen/10;
fengewei=fen%10;
shishiwei=shi/10;
shigewei=shi%10;
write_com(0x80+14);
write_dat(0x30+miaoshiwei);
write_dat(0x30+miaogewei);
write_com(0x80+10);
write_dat(0x30+fenshiwei);
write_dat(0x30+fengewei);
write_com(0x80+6);
write_dat(0x30+shishiwei);
write_dat(0x30+shigewei);
}
void mian()
{
init();
TMOD=0X01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
while(1)
{
if(num==10)
{
num=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
fen=0;
shi++;
if(shi==24)
shi=0;
}
}
chaifen_show();
}

}

}
void timero() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
num++;
}

Answer 1

void mian() //这里写错了，应该是
void main()