[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Old Apple II sound source code

Steve Kolokowsky wrote:
> I've got a design with a sound output similar to the old Apple II system.
> (Write ones and zeroes to the speaker to toggle the speaker diaphragm).
> 
> Where would I find Apple II source that drives this speaker?  I'd rather not
> reinvent a mechanism for creating decent waveforms out of this thing if one
> already exists.

A nice sound driver is in the D0 ROM area of INTBASIC.
It does a good one-voice with timbre control.

-- 
\  /\  /                                       If you aren't happy,
 VVizVVom - Wandering Kernel of Happiness           it's not my fault.
 ~~~> homepage at http://www.ripco.com/~wizwom <~~~