text1.c

单片机写的程序都含有Protues仿真结果

#include <REG51.H>			
unsigned char code SEG7[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07};
unsigned char code SE7[]={0XFE,0XFD,0Xfb,0xF7,0xEF,0xdf,0xbF,0x7F};
sbit P30=P3^0;
sbit P31=P3^1;
unsigned char a;
int i,j;
main()
{while(1)
{for(a=0;a<8;a++)
{
P30=1;
P2=SE7[a];
P30=0;
P31=1;
P2=SEG7[a];
P31=0;
for(i=100;i>0;i--)
for(j=500;j>0;j--);
}
 }
}