sqroot.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>
#include <math.h>

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

void main() {
  
  float x = 3.0;
  float y = 4.0;
  float xx, yy, xx_yy, sqrt_xx_yy;
  
  while (1) {
      
      x = 3.0;
      y = 4.0;

      xx = x * x;
      P0 = (unsigned char)xx;
      
      yy = y * y;
      P1 = (unsigned char)yy;
      
      xx_yy = xx + yy;
      P2 = (unsigned char)xx_yy;
      
      sqrt_xx_yy = sqrt(xx_yy);
      P3 = (unsigned char)sqrt_xx_yy;   
  }
}