#include "stdio.h"

#include "iostream.h"

#include "dos.h"

main()

{

//AIM : to detect the drive type using the dos call

union REGS i,o;

struct SREGS s;

unsigned char far *media_id;

int drive_no,no_of_clust,sect_per_clust,bytes_per_clust;

unsigned long memkb;

cout<<"\nEnter drive number : ";

cin>>drive_no;

i.h.dl=drive_no;

i.h.ah=0x1c; //service no.

intdosx(&i,&o,&s);

media_id=(unsigned char far*)MK_FP(s.ds,o.x.bx);

no_of_clust=o.x.dx;

sect_per_clust=o.h.al;

bytes_per_clust=o.x.cx;

printf("\n\nMedia descriptor is : %X",*media_id);

//cout<<"\n\nMedia descriptor is : "<<*media_id;

cout<<"\nDisk Found : ";

switch(*media_id)

{

case 0xF8 : cout<<"Hard disk \n";

break;

case 0xf0 : cout<<"3.5-inch double-sided, 18 sectors";

break;

case 0xf9 : cout<<"5.25-inch double-sided, 15 sectors";

cout<<"\nor-3.5 inch double-sided, 9 sectors";

break;

case 0xfc : cout<<"5.25-inch single-sided, 9 sectors";

break;

case 0xfd : cout<<"5.25-inch double-sided, 9 sectors";

break;

case 0xfe : cout<<"5.25-inch single-sided, 8 sectors";

break;

case 0xff : cout<<"5.25-inch double-sided, 8 sectors";

break;

// case dafault : cout<<"DOES NOT EXIST ON YOUR SYSTEM";

// break;

}

memkb=(long)no_of_clust*sect_per_clust*bytes_per_clust/1024;

cout<<"\nDisk capacity : "<<memkb<<" Kb";

cout<<"\nNumber of clusters : "<<no_of_clust;

cout<<"\nNumber of Sectors per cluster : "<<sect_per_clust;

cout<<"\nNumber of bytes per cluster : "<<bytes_per_clust;

cout<<endl;

return 0;

}