cs609 assignment 1 solution 2017

#include<bios.h>
#include<dos.h>
#include<conio.h>
void interrupt my09( );
void interrupt (*old)(void);
unsigned char far *scr = (unsigned char far*) 0xb8000000;

void main() {
old = getvect(0x09);
setvect(0x09 , my09);
keep (0 , 1000);
getch();
}
void interrupt my09( ) {
if(inportb(0x60) == 0x13)
{
       *scr=0x4D;//M
       *(scr+1)=0x07;
       *(scr+2)=0x43;//C
       *(scr+3)=0x07;
       *(scr+4)=0x31;//1
       *(scr+5)=0x07;
       *(scr+6)=0x34;//4
       *(scr+7)=0x07;
       *(scr+8)=0x30;//0
       *(scr+9)=0x07;
       *(scr+10)=0x34;//4
       *(scr+11)=0x07;
       *(scr+12)=0x30;//0
       *(scr+13)=0x07;
       *(scr+14)=0x30;//0
       *(scr+15)=0x07;
       *(scr+21)=0x07;
}
if (inportb (0x60) == 0x2E)
{
int i;
for (i=0; i<2000; ++i)
{
* scr = 0x20;
*( scr +1) = 0x70;
scr = scr + 2;
}
}(*old)( );
}

Ye siraf sample h koi b assignment copy na kare wrna marks nhi milain gy or us ky
zemedar admins nh because program ka code vu ki hr id ky liye different h or ids
kisi ki b same nh hotin …… Thanks