#include "iostream.h"

#include "stdio.h"

#include "dos.h"

main()

{

//AIM :to low leval read from disk using BIOS

union REGS i,o;

// int ii;

struct SREGS s;

char far (buf[9999]);

int dno,tno,sno,nno,hno;

cout<<"\n Enter drive no : ";

cin>>dno;

cout<<"\n Enter track no : ";

cin>>tno;

cout<<"\n Enter sector no : ";

cin>>sno;

cout<<"\n Enter head no : ";

cin>>hno;

cout<<"\n Enter no of sectors to be read : ";

cin>>nno;

i.h.ah=2;

i.h.dh=hno;

i.h.cl=sno;

i.h.ch=tno;

i.h.al=nno;

i.h.dl=dno;

s.es=FP_SEG(buf);

i.x.bx=FP_OFF(buf);

int86x(19,&i,&o,&s);

if(o.x.cflag==0)

{

cout<<"\nNumber of sectors actually read : ";

printf("%d\n",o.h.al);

cout<<"\n Matter Read : ";

nno*=512;

cout<<"\nmatter read :"<<buf;

//for(ii=0;ii<=nno;cout<<buf,);

}

else

cout<<"\nSectors not read";

return 0;

}