/*
 * File:   fixed01.c
 * Author: kubalik
 *
 * Created on 23. brezna 2019, 19:43
 */



#include "p33EV32GM002.h"



#pragma config FNOSC = FRC     //  pracujeme s FRC oscilatorem 7.37MHz	
#pragma config OSCIOFNC = ON   //OSC2 is general purpose digital I/O pin 
#pragma config IOL1WAY = ON    //Allow Only One reconfiguration pro PPS 
#pragma config FWDTEN = OFF	   // WDT and SWDTEN Disabled    Watchdog vypnut 



/*
* 
 */
void  main() {

   
  signed _Fract a , b ;
  unsigned _Fract c ;
  float d, e, f;
  int g,h,i;
  
  d = 0.125 ;  //   sem si dejte breakpoint   
  
  a = (_Fract) d ; 
  b = (_Fract) d ;
  b = ( signed _Fract )(-1) * b ;  //   funguje 
  //   e = ( float ) b ;    tak na tomhle pretypovani se to hrouti  
  e = 0.5 ;  
  a = (_Fract) e ;  
  c = (_Fract) e ;  
  a = a ;    
  
  b = (signed _Fract) (-1.0);        //  tohle NEfunguje
  b = ( signed _Fract )(-1) * 0.5 ;  //  a tohle funguje  
  b = (signed _Fract) (-0.999);      //  NEfunguje
  
  b = ( signed _Fract )(-1) * 0.9999 ;  //  a tohle FRUNGUJE 
  b = ( signed _Fract )(-1) * 1.0  ;  //  a tohle  TAKY FUNGUJE  
  b = ( signed _Fract )(-1) ;         //  a tohle FUNGUJE   
  b = ( signed _Fract )(-1) * 0.12345 ;  
  b = b ; 
  /*  Takze ASi zaver:
   * neumi to pretypovat zaporna cisla float
   * UMI to pretypovat kladna fload  v rozsahu   < 0; 1 ) 
   * UMI to pretypovat integer   -1 
   * NEUMI to pretypovat float  -1.0  
   * Takze zaporne konstanty tomu vnutime takto:   ( signed _Fract )(-1) * 0.12345 ;      */
  
  
  e = -0.5 ;       //  a pri pokusu o pretypovani zaporneho cisla se to hrouti 
  a = (_Fract) e ;  //  tady je vysledek 0  -NEFUNGUJE    
  c = (_Fract) e ;    
  a = a ; 
  
    while(1) {
        

//   sem napiseme to, co se v programu dela porad dokolecka
      asm(" nop " );
      asm(" nop " );
      asm(" nop " );
      asm(" nop " );

        
    }    
    

}