Re: A86: Disabling timer interrupts - Calc OFF sequence comments

To: <assembly-86@lists.ticalc.org>
Subject: Re: A86: Disabling timer interrupts - Calc OFF sequence comments
From: "Matt2000" <matt2000@gte.net>
Date: Thu, 28 May 1998 14:44:22 -0400
Delivered-To: assembly-86-outgoing@towerguard.unix.edu.sollentuna.se
Reply-To: assembly-86@lists.ticalc.org


>> I also got an IM 2 set up working for a game that Dux is working on. And
it
>> ends the interrupt at the end, it doesnt jump to $38
>> Notice two bytes need to be sent to Port 3, either $09 $0B (ON key has
been
>> pressed) or $0A $0B (ON key has not been pressed). This appears to signal
to
>> the TI hardware whether or not the ON key interrupt "has been handled". I
am
>> not exactly sure though, I would love some elaboration
>
>Here's a super, super, super fast grayscale routine using im2.


Nice. But 4-level never flickers anyway. IM 2 seems useful for 8-level or
even 16-level grayscale

Later,
    Matt

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Re: A86: Disabling timer interrupts - Calc OFF sequence comments

From: Dux Gregis <assets@eden.rutgers.edu>

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