求51单片机控制2个数码管的程序

Question

新手，研究了很久，有的话给我参考参考。。谢谢

Answer 1

两只数码管段码分别由P0,P2输出控制，P0是十位，P2是个位。P3.2,P3.4分别接两只按键，P32.清0，P3.4计数。
以上程序来自《单片机C语言程序设计实训100例--基于8051+Proteus仿真》
#include
<reg52.h>
#define
uchar
unsigned
char
#define
uint
unsigned
int
uchar
DSY_CODE[]=
{
0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f
};
uchar
Count
=
0;
void
main()
{
P0
=
0x00;
P2
=
0x00;
TMOD
=
0x06;
TH0=255;
TL0=255;
ET0=1;
EX0=1;
EA
=1;
IP
=0x02;
IT0=1;
TR0=1;
while(1)
{
P0
=
DSY_CODE[Count/10];
P2
=
DSY_CODE[Count%10];
}
}
void
Clear_Counter()
interrupt
0
{
Count
=
0;
}
void
Key_Counter()
interrupt
1
{
Count
=
(Count
+
1)
%100;
}