On 2/8/2024 3:34 PM, tom ehlert via Freedos-user wrote:
Hallo Herr Thomas Cornelius Desi via Freedos-user,
am Donnerstag, 8. Februar 2024 um 13:18 schrieben Sie:
Hi,
is it possible in DOS (using BIOS?) to implement a tsr or so which allows the
following:
holding a key longer to return a SHIFT-key on screen?
Example:
press key »a« and HOLD the key for e.g. 500 milliseconds,
=>> print shift-a = »A« on screen.
Anyone around who has an idea or knowledge if this is possible or has been done
or any hints where to look?
this would go to the keyboard driver as only it knows to differentiate between
A-pressed A-pressed --> A
A-pressed A-released A-pressed --> a
only problem would be that your typin speed is now limited to 1 haracter per
e.g. 500 milliseconds.
not very practical.
Not at all. A keyboard driver is going to know when a key is released,
as well as when it's pressed. Nothing preventing it from operating
normally when it's released fast enough, and only shifting the character
if it isn't released in the alotted time. It doesn't restrict typing
speed in the least (with the exception of course of making the capital
letters.).
I've never tested it, but if you have key repeat turned off, then it's
likely the character doesn't appear until you release the key anyhow, so
... <shrug>
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