Design and implement a C++ program that creates an 8-byte buffer capable of stor

Question

Design and implement a C++ program that creates an 8-byte buffer capable of storing a 64-bit stream. You program shall allow the user to store and retrieve 8-bit (1 byte) values in each of the 8 location of the buffer. Since users can only enter/retrieve 1-byte values, input shall be restricted to numbers ranging between 0-255.

Also, since the buffer can only support 8 locations, the program shall allow users to enter a location index ranging from 0-7. Any input outside of the ranges specified above shall be deemed invalid, causing the program to display an error message to the user. The program shall execute in a loop, until the user selects an option to exit the program. The main menu of the program shall support the following options:

Display to the console the 64-bit stream

Enter data to the buffer by indicating a position in the buffer and data (1-byte) value

Enter a position to retrieve a data value by entering an index position

Exit program

Explanation / Answer

Program:

// include the required heade4r files
#include<iostream>
#include<iomanip>
#include<conio.h>
using namespace std;
// create a structure for the bit stream
struct bit_strm
{
    unsigned int bit : 8;
};
struct bit_strm *btstrm;

// main method
void main()
{
   // decclare the required variables;
   long int indx;
   int lp, lk;
   unsigned char chr, chd;
   // allocate the memory space
   btstrm=malloc(sizeof(struct bit_strm)*8*sizeof(char));

   // loop code for the allocation, storing and retrieving data
   for (indx=0; indx<8; indx++)
   {
      
       for(lp=0; lp < sizeof(char)*8; lp++)
       {
           chd=chr;
           chd=chd>>(sizeof(char)*8-lp-1);
           chd=chd<<(sizeof(char)*8-1);
           lk=chd;
           if(lk==0)
           {
               btstrm[sizeof(char)*8*indx + lp].bit=0;
           }else
           {
               btstrm[sizeof(char)*8*indx + lp].bit=1;
           }
       }
   }
   // code to display the data
   for (indx=0; indx<8; indx++)
   {
       for(lp=0; lp < sizeof(char)*8; lp++)
       {
           cout<<btstrm[sizeof(char)*8*indx + lp].bit;
       }
   }
}

Related Questions

Navigate

• Browse (All)
• Browse D
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.