UrbanPro
true

Learn C Language from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

Design your own Mouse Driver in C Language

P K Subudhi
11/11/2016 0 0

Mouse Driver (msdrv.h)

#include

#include

 

union REGS i,o;

 

restrictmouseptr(int x1, int y1, int x2, int y2)

{

                i.x.ax=7;

                i.x.cx=x1;

                i.x.dx=x2;

                int86(0x33,&i,&o);

 

                i.x.ax=8;

                i.x.cx=y1;

                i.x.dx=y2;

                int86(0x33,&i,&o);

}

disp( int choice, char *p)

{

                getimage((choice-1)*48+1,1,choice*48,32,p);

                putimage((choice-1)*48+1,1,p,NOT_PUT);

}

initmouse()

{

                i.x.ax=0;

                int86(0x33,&i,&o);

                return(o.x.ax);

}

showmouseptr()

{

                i.x.ax=1;

                int86(0x33,&i,&o);

}

hidemouseptr()

{

                i.x.ax=2;

                int86(0x33,&i,&o);

}

getmousepos(int *button, int *x, int *y)

{

                i.x.ax=3;

                int86(0x33,&i,&o);

                *button=o.x.bx;

                *x=o.x.cx;

                *y=o.x.dx;

 

}

0 Dislike
Follow 0

Please Enter a comment

Submit

Other Lessons for You

Array vs Linked List
Array Linked List Accessing element is easy. Accessing element is difficult compare to Array. Easy to use. Difficult to use. Memory is Fixed size. Memory is variable size. If...

Lets know about far, near and huge pointers for fresher interview purpose
All of these three candidates relate to 16 bit architecture where segmented memory architecture was there. They are not at all relevant for present days 32 or 64 bit architecture where the way of memory...

Pointers and References
Are reference and pointers same? No. I have seen this confusion crumbling up among the student from the first day. So better clear out this confusion at thevery beginning. Pointers and reference...

10 Tips to improve your learning
1. Have a quick revision of topics that you have read in past three days before you start studying a new topic. 2. Make your own notes containing the summary of the topic. 3. Allot proper timing for...

INTRODUCTION TO PROGRAMMING LANGUAGES
Language is a medium for communication. If we want to perform anything with another person, we can know the human language as a human being. Similarly, if we want to perform anything with a computer, we...
X

Looking for C Language Classes?

The best tutors for C Language Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn C Language with the Best Tutors

The best Tutors for C Language Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more