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Assignment No. 01
Semester: Fall  2016

CS609 – System Programming



Total Marks: 15


Due Date: 18/11/2016


Uploading instructions:


  • Your assignment must be in .c format. (Any other formats like scan images, Word, PDF, Zip, rar, bmp, etc will not be accepted).
  • Save your assignment with your ID (e.g. bc020200786.c).
  • No assignment will be accepted through email.


Rules for Marking:


It should be clear that your assignment will not get any credit if:


  • The assignment is submitted after due date.
  • The submitted assignment does not open, execute or file is corrupted.
  • Your assignment is copied from internet, handouts or from any other student

      (Strict disciplinary action will be taken in this case).




Question No1 :     (05 Marks)


Explain four  lines the Followed code (only one lines answer per line)


Unsigned int far * scr = 0xb8000000;// Line 1

Void main ()                     //Line 2


( *scr) = 0x7074;             // Line 3

(*(src+2)) =0770;            //Line 4




Question No2 :     (10 Marks)


Write a TSR program that will clear all the contents of the screen and write your ( SYSTEM PROGRAMMING) anywhere on screen of the video text memory available at 0xB8000000 whenever interrupt 8 is invoked.  Also, note that the fore color of SYSTEM PROGRAMMING should be white and back color should be blue.



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






Deadline: Your assignment must be uploaded/submitted on or before 18th November 2016.



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Replies to This Discussion



yrr koi cpp file me solution dy do compelete plzz tym nai hai ab

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cs 609 complete idea solution

# include // 
# include // 
void main() //main is the default entry point of a C (and C++)
clrscr(); // use for clear the screen
Unsigned int far * scr = 0xb8000000;// far pointer scr is assigned the value xb800H in the high word
(*scr) = 0x7074; // t
(*(src+2)) =0770; // p 
(*(scr+3))=0x0153;// S
(*(scr+4))=0x0159;// y
(*(scr+5))=0x0153;// S
(*(scr+6))=0x0154;// T
(*(scr+7))=0x0146;// E
(*(scr+8))=0x014D;// M
(*(scr+9))=0x0150;// P
(*(scr+10))=0x0152;// R
(*(scr+11))=0x014F;// O
(*(scr+12))=0x0147;// G
(*(scr+13))=0x0152;// R
(*(scr+14))=0x0141;// A
(*(scr+15))=0x014D;// M
(*(scr+16))=0x014D;// M
(*(scr+17))=0x0149;// I
(*(scr+18))=0x014E;// N
(*(scr+19))=0x0147;// G
getch ();
return 0;

cs 609 complete idea solution

pls help me in this error how can i solve this



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