#175 Hangs when pressing capslock

0.61
closed
None
5
2012-09-07
2004-03-30
A R
No

Hi, if you try running my ancient Dos-program Burn
(burn.sf.net), then press space twice until you're in
"draw-mode", and then press caps-lock, everything is
locked, and no keys works. It works in Dos, and it is
supposed to put the pen down, for use with the
arrowkeys. I probably used some obscure
assembly-trick for doing this.

... I looked at my old sourcecode and I believe it's these
lines that does it:

xor bx, bx
mov ah,2
int 16h

In other words, I suspect that function 2 of interrupt 16h
doesn't work. :-)

Happy debugging. ;)

Discussion

  • Peter Veenstra

    Peter Veenstra - 2004-03-31

    Logged In: YES
    user_id=535630

    thank you :)
    Well it's like this.
    We don't handle capslock.
    So it puts nonsense in the keyboard buffer.
    int 16 reads that nonsense :)
    I'll try handling capslock in the near future.
    I got more reports for this.

     
  • Peter Veenstra

    Peter Veenstra - 2004-04-07

    Logged In: YES
    user_id=535630

    The bug has been fixed.
    Wait for the upcoming new version to see it.

    Or:

    The updated source is available by cvs.

    See the link on top of the screen for information on how to get
    the new sources.

    The DOSBox Team

     

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