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- PROGRAM NoBoot ;
- {$M 1024, 0, 0 } { TSR : reserve 1K stack no heap }
- {$S-} { Needed in a TSR }
-
- Uses
- Crt, { Sound }
- Dos,
- KeyIntr ;
-
- Var
- OldInt09 : Pointer ;
-
- {$F+}
- Procedure NewInt09 ; Interrupt ;
- Begin
- EnableInterrupts ; { Delete key }
- If ControlPressed and AltPressed and (ReadScanCode = $53) then
- Begin
- ResetKeyboard ; { Ignore key }
- EOI ;
-
- Sound( 880 ) ; { optional }
- Delay( 100 ) ;
- Sound( 440 ) ;
- Delay( 100 ) ;
- NoSound ;
-
- End
- Else
- CallInterrupt( OldInt09 ) ;
- End ;
-
- BEGIN
- GetIntVec( $09, OldInt09 ) ;
- SetIntVec( $09, Addr(NewInt09) ) ;
- Keep( 0 ) ; { make this a TSR }
- END.