Mail Archives: djgpp/1997/02/19/03:10:34
On Mon, 17 Feb 1997, Ove Kaaven wrote:
> With simple keyboard handlers that only set a table according to scan
> code, and ignoring prefix bytes, you can't distinguish left and right
> Alt/Ctrl. (Linux solves this by adding pseudo-scancodes, e.g. converts
> 0xE0 0x38 to 0x64, 0xE0 0x1D to 0x61, etc, for its raw keyboard mode.)
FYI: ignoring the distinction between Left and Right Alt keys can be a
nuisance for people who use Keyb.COM to support foreign (non-US) keyboard
layouts, because they expect the Right Alt to produce some actentuated
characters. I suggest an option to let these users to get what they want.
(Emacs on MSDOS has such support in its keyboard code.)
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