/* If Else Program */
		/* menu for ASCII chart program */


#include <graphics.h>
#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
#include <time.h>
#include <math.h>
#include <limits.h>
#include <dos.h>

void inttoasc ();
void asctoint ();
void clrscrn ();
char y, n, Y, N;

main ()
{
	char menuOpt;
	menuOpt = 'x';
	while (menuOpt != '3')
	{
		clrscr ();
		printf ("\t\t\t MENU - ASCII CHART PROGRAM");
		printf ("\n\t\t\t- - - - - - - - - - - - - - -");
		printf ("\n\n\n\n\n\n\n\n\t\t");
		printf ("1 - Look up character for an ASCII number");
		printf ("\n\n\n");
		printf ("\t\t2 - Look up the ASCII number of a character");
		printf ("\n\n\n\t\t3 - Quit");
		printf ("\n\n\n\n\n\n\n\t\tWHAT IS YOUR CHOICE : ");
		scanf ("\n%c", &menuOpt);
		if (menuOpt == '1')
		{
			inttoasc ();
		}
		else if (menuOpt == '2')
		{
			asctoint ();
		}
		else if (menuOpt == '3')
		{
			clrscrn ();
		}
		else
		{
			printf ("%c", 7);
		}
	}
	clrscrn ();
}

void asctoint ()		/* print ASCII number for */
{				/* a given charcter */
	char smplChr, again;
	again = 'Y';
	while (again == 'Y' || again == 'y')
	{
		clrscrn ();
		printf ("\nWhat char do you want the ASCII value of : ");
		scanf ("\n%c", &smplChr);
		printf ("\nThe ASCII value of %c is %d\n", smplChr, smplChr);
		again = 'x';
		while (again != 'Y' && again != 'y' && again != 'N' && again != 'n')
		{
			printf ("\nDo you want to look up another (Y/N) : ");
			scanf ("\n%c", &again);
		}
	}
}

void inttoasc ()			/* print character for a */
{	      				/* given ASCII number */
	int smplInt;
	char again;
	again = 'Y';
	while (again == 'Y' || again == 'y')
	{
		clrscrn ();
		printf ("\nWhat number do you want the ASCII char of : ");
		scanf ("%d", &smplInt);
		if (smplInt < 33 || smplInt > 254)
		{
			printf ("\nThe number must be between 33 and 254");
		}
		else
		{
			printf ("\nThe ASCII char for %d is %c\n", smplInt, smplInt);
		}
		again = 'x';
		while (again != 'Y' && again != 'y' && again != 'n')
		{
			printf ("\n\nDo you want to look up another (Y/N) : ");
			scanf ("\n%c", &again);
		}
	}
}

void clrscrn ()			/* clear the screen */
{
	int counter = 0;
	while (counter != 25)
	{
		printf ("\n");
		counter = counter + 1;
		delay(10);
	}
}