Re: A83: Interupt and writing to the screen
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Re: A83: Interupt and writing to the screen
On 04-Sep-98, Roger Stone wrote:
>Im trying to write a program that hooks into a interupt then when certin
>does diffrent thing when you press certing keys.
>Ive had some (though not much) success with reading keys, but i
>havent found a way to write to the screen. Id be glad if anyone could
>provide information helping me to read keys, write to the screen, and
>if possiable prevent that key from being transfered back to the calc
>(say i hook into the whatever key, and i want to make it just do
>nothing...making the TI-OS never see that key hit, so it dosent act on
>it)
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The keyboard is scanned in the interrupt routine, so patch that one and check
the key yourself. If it was pressed, don't jump into the old interrupt routine
when done. (Otherwise: do that.)
Linus
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