gcd.c

8051的IP,采用VHDL语言描述,支持intel的HEX格式,包括中断,定时器等.

/*
 * Copyright (c) 1999 Tony Givargis.  Permission to copy is granted
 * provided that this header remains intact.  This software is provided
 * with no warranties.
 *
 * Version : 2.4
 */

/*---------------------------------------------------------------------------*/

#include <reg51.h>

/*---------------------------------------------------------------------------*/

void main() {
    
    unsigned char x=47, y=11;

    while (1) {

        x = 47;
        y = 11;
        
        while( x != y ) {
            
            if( x > y ) {
                
                x -= y;
                P0 = x;
            }
            else {
                
                y -= x;
                P1 = y;
            }
        }
        P2 = x;
    }
}