CS609 – System Programming - Assignment No. 1 Due date 12th May 2016

[Salman]

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Assignment

Question: (15 Marks)

Write a TSR program in C that will clear all the contents of the screen and print your VU ID and Name (BC0000000-Name) at the center of the video text memory available at 0xB8000000 whenever Alt+Ctrl+D combination is pressed from keyboard. Note that you have to take the backup of the contents of video text memory before clearing the screen. And, whenever Alt+Ctrl+R combination is pressed from the keyboard, all the contents of video text memory should be restored.

NOTE: If you are feeling any difficulty while making your program a TSR program then it is recommended to view the “How_to_generate_COM_file_and_Execute_TSR_Program.ppt” file available at download section of CS609. Do not put any query on MDB about this assignment, if you have any query then email at [e-mail].

[Android]

In BORLANDC editor, first click on Options and then click on Directories. Now, check whether correct directories are mentioned or not. If your BORLANDC folder is available in D directory then include directory should be:

D:\BORLANDC\INCLUDE

And, Library directory should be:

D:\BORLANDC\LIB

[binish.arshar]

g students kn sa software download krna he es asgnmnt ke lie .plz bta de

[Annie (MSCS)]

mujhay code de dain plz

[e-mail]

[Annie (MSCS)]

mujhay code de dain plz

[e-mail]

[Naveed Bhatti]

[Annie (MSCS)]

mujay plz complete kar dein hexa code likh k

[3iuftti18pgyu]

dear is this the required output

[+ M.Tariq Malik]

Assignment No. 01 Semester: Spring 2016 CS609 – System Programming

Total Marks: 15   Due Date: 12/05/2016

 

#include<BIOS.H>

#include<DOS.H>

void interrupt (*old)();

void interrupt cls();

unsigned char far *scr = (unsigned char far*)0xb8000680;

unsigned char far *src = (unsigned char far*)0xb8000000;

unsigned char far *sch = (unsigned char far*)0x00400017;

int i;

 

void interrupt cls(){

 

for(i=0; i<2000; i++)

{ *src = 0x20;

*(src+1) = 0x07;

src = src + 2;

}

} void charPrint()

{ geninterrupt(0x65);

*scr = 0x4D;

*(scr+1) = 0x07;

*(scr+2) = 0x43;

*(scr+3) = 0x07;

*(scr+4) = 0x--;

*(scr+5) = 0x07;

*(scr+6) = 0x--;

*(scr+7) = 0x07;

*(scr+8) = 0x--;

*(scr+9) = 0x07;

*(scr+10) = 0x--;

*(scr+11) = 0x07;

*(scr+12) = 0x--;

*(scr+13) = 0x07;

*(scr+14) = 0x--;

*(scr+15) = 0x07;

*(scr+16) = 0x--;

*(scr+17) = 0x07;

*(scr+18) = 0x--;

*(scr+19) = 0x07;

*(scr+20) = 0x--;

*(scr+21) = 0x07;

*(scr+22) = 0x--;

*(scr+23) = 0x07;

*(scr+24) = 0x--;

*(scr+25) = 0x07;

*(scr+26) = 0x--;

*(scr+27) = 0x07;

*(scr+28) = 0x--;

*(scr+29) = 0x07;

*(scr+30) = 0x--;

*(scr+31) = 0x07;

*(scr+32) = 0x--;

*(scr+33) = 0x07;

*(scr+34) = 0x--;

*(scr+35) = 0x07;

*(scr+36) = 0x--;

*(scr+37) = 0x07;

*(scr+38) = 0x--;

*(scr+39) = 0x07;

*(scr+40) = 0x--;

*(scr+41) = 0x07;

*(scr+42) = 0x--;

*(scr+43) = 0x07;

*(scr+44) = 0x--;

*(scr+45) = 0x07;

*(scr+46) = 0x--;

*(scr+47) = 0x07;

 

}

void main(){

 

old = getvect(0x65);

setvect(0x65,cls);

 

charPrint();

getch();

 

getch();

}

 

 

 

Janaha par -- hai wohan apna id or name ka hexa code likh dain.

[maha]

Tariq bhai es men error hain

[3iuftti18pgyu]

Brother id or name ka hexacode kese likhen..wo b bata den

[binish.arshar]

ksi bani he . code send kra he ese hi kia ?/

[+ M.Tariq Malik]

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