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


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




>> 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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