Przedpelski

#include <REGX52.H>

#define _A 0xC0

void main(void)
{
while(1)
{
P2 = 0xFE;
if(P2 == 0xEE)
P1 =0x90;
if(P2 == 0xDE)
P1 =0xA1;
if(P2 == 0xBE)
P1 =0xF9;
if(P2 == 0x7E)
P1 =0x92;

P2 = 0xFD;
if(P2 == 0xED)
P1 =0x88;
if(P2 == 0xDD)
P1 =0x86;
if(P2 == 0xBD)
P1 =0xA4;
if(P2 == 0x7D)
P1 =0x82;

P2 = 0xFB;
if(P2 == 0xEB)
P1 =0x83;
if(P2 == 0xDB)
P1 =0x8E;
if(P2 == 0xBB)
P1 =0xB0;
if(P2 == 0x7B)
P1 =0xF8;

P2 = 0xF7;
if(P2 == 0xE7)
P1 =0xC6;
if(P2 == 0xD7)
P1 =0xC0;
if(P2 == 0xB7)
P1 =0x99;
if(P2 == 0x77)
P1 =0x80;
else P1 =0xFF;

}
}