#include <reg51.h>
void delay(unsigned int z) //??1ms????
{
unsigned int x,y;
for(x = z; x > 0; x--)
for(y = 114; y > 0 ; y--);//500x114
}
void main()
{
P0 = 0x3F;
delay(1000);
P0 = 0x06;
delay(1000);
P0 = 0x5B;
delay(1000);
P0 = 0x04F;
delay(1000);
}
/*
0x3F, //"0"
0x06, //"1"
0x5B, //"2"
0x4F, //"3"
0x66, //"4"
0x6D, //"5"
0x7D, //"6"
0x07, //"7"
0x7F, //"8"
0x6F, //"9"
*/
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