[Mi primer Homebrew] Convertidor de Entero a Hexadecimal y Binario ¡¡1.1!!

#include <3ds.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

//HI
int main(int argc, char **argv)
{
   //Matrix containing the name of each key. Useful for printing when a key is pressed
   char keysNames[32][32] = {
      "KEY_A", "KEY_B", "KEY_SELECT", "KEY_START",
      "KEY_DRIGHT", "KEY_DLEFT", "KEY_DUP", "KEY_DDOWN",
      "KEY_R", "KEY_L", "KEY_X", "KEY_Y",
      "", "", "KEY_ZL", "KEY_ZR",
      "", "", "", "",
      "KEY_TOUCH", "", "", "",
      "KEY_CSTICK_RIGHT", "KEY_CSTICK_LEFT", "KEY_CSTICK_UP", "KEY_CSTICK_DOWN",
      "KEY_CPAD_RIGHT", "KEY_CPAD_LEFT", "KEY_CPAD_UP", "KEY_CPAD_DOWN"
   };

   // Initialize services
   gfxInitDefault();

   //Initialize console on top screen. Using NULL as the second argument tells the console library to use the internal console structure as current one
   consoleInit(GFX_TOP, NULL);

   u32 kDownOld = 0, kHeldOld = 0, kUpOld = 0; //In these variables there will be information about keys detected in the previous frame

   printf("\x1b[0;0HConvertidor de Entero a Decimal y Hexadecimal.");
   printf("\x1b[1;0HBotones: A = +1 y B = -1 o las flechas.");
   printf("\x1b[2;0HBy Angel Xex.");
   printf("\x1b[15;0HEntero: 0\n");

            printf ("\x1b[16;0Hhexadecimal: 0\n");

              printf ("\x1b[17;0Hbinario: 0\n");
int count = 0;
int i;
char buffer [33];
   // Main loop
   while (aptMainLoop())
   {
      //Scan all the inputs. This should be done once for each frame
      hidScanInput();

      //hidKeysDown returns information about which buttons have been just pressed (and they weren't in the previous frame)
      u32 kDown = hidKeysDown();
      //hidKeysHeld returns information about which buttons have are held down in this frame
      u32 kHeld = hidKeysHeld();
      //hidKeysUp returns information about which buttons have been just released
      u32 kUp = hidKeysUp();

      if (kDown & KEY_START) break; // break in order to return to hbmenu

      //Do the keys printing only if keys have changed
      if (kDown != kDownOld || kHeld != kHeldOld || kUp != kUpOld)
      {
         //Clear console
         consoleClear();

         //These two lines must be rewritten because we cleared the whole console
         printf("\x1b[0;0HConvertidor de Entero a Decimal y Hexadecimal.");
         printf("\x1b[1;0HBotones: A = +1 y B = -1 o las flechas.");
         printf("\x1b[2;0HBy Angel Xex.");
         printf("\x1b[15;0HEntero: %i \n",count);
         itoa (count,buffer,16);
         printf ("\x1b[16;0Hhexadecimal: %s\n",buffer);
         itoa (count,buffer,2);
           printf ("\x1b[17;0Hbinario: %s\n",buffer);
         printf("\x1b[3;0H"); //Move the cursor to the fourth row because on the third one we'll write the circle pad position

         //Check if some of the keys are down, held or up
         int i;
         for (i = 0; i < 32; i++)
         {
            if (kDown & BIT(i))
               {//printf("%s down\n", keysNames[i]);
               if( strcmp(keysNames[i],"KEY_A") == 0 )
               count++;
               if( strcmp(keysNames[i],"KEY_DRIGHT") == 0 )
                              count++;
               if( strcmp(keysNames[i],"KEY_B") == 0 )
                              count--;
               if( strcmp(keysNames[i],"KEY_DLEFT") == 0 )
                                             count--;
               }
            if (kHeld & BIT(i))
               {//printf("%s held\n", keysNames[i]);



               }
            if (kUp & BIT(i))
               {//printf("%s up\n", keysNames[i]);
            }


         }
      }

      //Set keys old values for the next frame
      kDownOld = kDown;
      kHeldOld = kHeld;
      kUpOld = kUp;

      circlePosition pos;

      //Read the CirclePad position
      hidCircleRead(&pos);

      //Print the CirclePad position
      //printf("\x1b[2;0H%04d; %04d", pos.dx, pos.dy);

      // Flush and swap framebuffers
      gfxFlushBuffers();
      gfxSwapBuffers();

      //Wait for VBlank
      gspWaitForVBlank();
   }

   // Exit services
   gfxExit();
   return 0;
}