A83: Interupt and writing to the screen


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A83: Interupt and writing to the screen




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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