Re: Announcement: VIMM - VIC20 Megademo Released

From: Carlsson, Anders (
Date: 2000-12-21 16:08:33

Per Olofsson <> asked:

> The demo won't work without a 16 kB expansion, will it?

I'm afraid not. There should be documentation on the Net how to 
build up to 32K expansion memory, which could be useful for many

Marko Mäkelä <> wrote:

> What makes you think that the Oric-1 is better than the VIC-20?

The Oric (according to Jonathan Bristow, Twilighte) uses AY-3-8912.
It has, like VIC-I, three square waves + noise, but each channel has
10 octaves (14 bit) compared to VIC's 4.5 (7 bits, overlapping).
Each chananel has its own volume control or can be handled by an
envelope generator with eight patterns. As my main area is music,
I believe I can see a clear advantage here.

I really thought the ULA in Oric had hardware sprites, but it seems
not. But maybe the difference in graphics capacities isn't there,
it's just different way to address the graphics.

/Anders Carlsson
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