From: Rich (legalize_at_xmission.com)
Date: 2005-01-03 08:48:49
In article <20050103010914.GA8911@azenomei.knuffel.net>,
Rhialto <rhialto@azenomei.knuffel.net> writes:
> The common idiom is to
>
> 1. enable the shift register - poke 59467,16
> 2. set the desired wave form in the shift register - poke 59466,15
> 3. set the desired frequency (actually time between bit shifts) -
> poke 59464,whatever
>
> If you want to play some melody, you repeat step 3 periodically.
Doing anything "serious" looks like it would be best handled by an IRQ
interrup service routine. Is anyone aware of any URLs for assembly or
BASIC code for playing a melody?
--
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