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From: Sky King on 10 Apr 2008 15:01
When I was in school many,many moons ago, I had a Apple II prg that
made the apple sound like it had more than it one voice(i think it was
one?). It use interrupts(i think?). Could it be possible to do the
same on the C64? The only down side would be a slow down in the temp
of the music. I might see what I can do on my end. Thanks for
reading my rambles.

Sky King
From: Miika Seppänen on 10 Apr 2008 16:52
Sky King kirjoitti:
> When I was in school many,many moons ago, I had a Apple II prg that
> made the apple sound like it had more than it one voice(i think it was
> one?). It use interrupts(i think?). Could it be possible to do the
> same on the C64?

Yes, it was a pretty common practice already in 80's. ;)

-Miika
From: rbernardo on 10 Apr 2008 18:18
On Apr 10, 12:01 pm, Sky King wrote:

> When I was in school many,many moons ago, I had a Apple II prg that
> made the apple sound like it had more than it one voice(i think it was
> one?).  It use interrupts(i think?).

Are you referring to the Mockingbird for the Apple II?

Truly,
Robert Bernardo
Fresno Commodore User Group
http://videocam.net.au/fcug
The Other Group of Amigoids
http://www.calweb.com/~rabel1/
From: David Murray on 10 Apr 2008 19:10
There were also several programs for the IBM PC that could do this
through the beeper-speaker.

However, the C64 is known for having music tracks that sound as if
they have 5 or 6 voices because of the way voices are toggled in and
out on each note. It is a little different from the apple and IBM
thing, but in many ways it is similar.
From: nem on 10 Apr 2008 20:48
David Murray <adric22(a)yahoo.com> wrote in news:

> There were also several programs for the IBM PC that could do this
> through the beeper-speaker.

Zak Mckracken does this for the opening music, and Windmill Software's
games also used it.

> However, the C64 is known for having music tracks that sound as if
> they have 5 or 6 voices because of the way voices are toggled in and
> out on each note. It is a little different from the apple and IBM
> thing, but in many ways it is similar.

Arpeggios were typically used on the C64 to make it sound like there were
more than 3 voices.
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