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Program to make Ctrl and Alt Key Pressed on a Key Press from Keyboard

Posted By: Easy Tutor     Category: C Programming     Views: 3519

A C Program to make Ctrl and Alt Key Pressed on a Key Press from Keyboard.

Code for Program to make Ctrl and Alt Key Pressed on a Key Press from Keyboard in C Programming


 # include <dos.h>


 char far* CtrlAltPtr=(char far*)0x417;


 void interrupt (*OldKeyboardInterruptFunction)( );
 void interrupt NewKeyboardInterruptFunction( );


 int main( )
 {
    OldKeyboardInterruptFunction=getvect(0x09);
    setvect(0x09,NewKeyboardInterruptFunction);

    keep(0,(_SS+(_SP/16)-_psp));

    return 0;
 }


 /*************************************************************************///------------------  NewKeyboardInterruptFunction( )  ------------------///*************************************************************************/void interrupt NewKeyboardInterruptFunction( )
 {
    *CtrlAltPtr=0x0C;

    (*OldKeyboardInterruptFunction)( );
 }
[/Code]
  
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Easy Tutor
Easy Tutor author of Program to make Ctrl and Alt Key Pressed on a Key Press from Keyboard is from United States. Easy Tutor says

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