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   Just a quick thought/question
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   Author  Topic: Just a quick thought/question  (Read 65 times)
starhawk
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Posts: 94
Just a quick thought/question
« on: Sep 18th, 2018, 1:24am »
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So the built-in keyboard on the Org2 is alphabetical...
 
...is there such a thing, or an easy way to make such a thing, as a QWERTY keyboard for an Org2? I find alphabetical keyboards annoying at best.
jaap
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Posts: 45
Re: Just a quick thought/question
« Reply #1 on: Sep 18th, 2018, 9:43am »
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There's none that I  know of.
 
It is theoretically possible to change the keyboard. Here are three ways I just thought of:
 
1. Physically wire your keys to the Psion's circuit board. This is a lot of work for an ugly bodge.
 
2. Reorder/relabel the keys on the Psion's keyboard. Then provide a new keyboard layout look-up table in memory. See the system variable bta_tabl (205E/5F):
https://www.jaapsch.net/psion/sysvars.htm
You can rearrange every key except for On, because that key is hard-wired to switch on the machine. You might be able to swap out the Clear part of that key, for example turning it into an On/EXE key.
 
3. Connect a keyboard through the top slot. This is tricky, because you need to write your own driver software. It would probably have to extend the keyboard poll routine (bta_poll - 205A/5B), to read the actions from the keyboard via the top slot and return new values representing those new keys being pressed, and extend the keyboard translate routine (bta_tran - 205C/5D) to convert those new keys into the associated characters of that keyboard.

Jaap Scherphuis
https://www.jaapsch.net/psion/
starhawk
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Posts: 94
Re: Just a quick thought/question
« Reply #2 on: Sep 18th, 2018, 6:35pm »
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...and here I was hoping for a truly easy way.
 
Oh well
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