sort.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 sort(unsigned char* buf, unsigned char n) {
    
    unsigned char i, j, t;
    
    for(i=0; i<n; i++) {
        
        for(j=i; j<n; j++) {
            
            if( buf[i] > buf[j] ) {
                
                t = buf[i];
                buf[i] = buf[j];
                buf[j] = t;
            }
        }
    }
    P0 = 0;
}

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

void print(unsigned char* buf, unsigned char n) {
    
    char i;
    
    for(i=0; i<n; i++) {
        
        P0 = buf[i];
    }
}

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

void main() {
    
    unsigned char buf[] = { 19, 18, 17, 16, 15, 14, 13, 12, 11, 10 };

    while (1) {
    
        buf[0] = 19;
        buf[1] = 18;
        buf[2] = 17;
        buf[3] = 16;
        buf[4] = 15;
        buf[5] = 14;
        buf[6] = 13;
        buf[7] = 12;
        buf[8] = 11;
        buf[9] = 10;
        
        sort(buf, 10);
        print(buf, 10);
    }
}