Solution://Header Files
#include<stdio.H>
#include<DOS.H>
#include<BIOS.H>
void interrupt (*oldint65)(); //To store current interrupt
char far *scr=(char far* ) 0xb8000000;
void interrupt newint65();//NewInt prototype
void main()
{
oldint65 = getvect(0x65);
setvect(0x65, newint65);
getch();
keep(0, 1000);
}
void interrupt newint65()
{clrscr();
*scr=8;
(*scr)=0x174D;
(*(scr+2))=0x1743;
(*(scr+4))=0x1731;
(*(scr+6))=0x1739;
(*(scr+8))=0x1730;
(*(scr+10))=0x1734;
(*(scr+12))=0x1730;
(*(scr+14))=0x1736;
(*(scr+16))=0x1734;
(*(scr+18))=0x1730;
(*(scr+20))=0x1734;
}