Re: about "penny lane.prg" on vic 20

From: Anders Carlsson <>
Date: Mon, 11 May 2015 10:06:37 +0200
Message-ID: <69B0472A3E574910AB3FFD4C9484014B@ryds>
Didier Derny wrote:

> I have a NTSC vic 20  if fact what looks strange is not so the frequency 
> of the notes but rather the sequencement. It looks like from time to time 
> the not is slightly late or early.

This could be due to BASIC's slowness. I seem to recall the same delays in 
how different notes are shifted into each channel, but wrote this off due to 
being BASIC. A machine coded, interrupt based player of course solves most 
of these delays.

Best regards

Anders Carlsson

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Received on 2015-05-11 09:00:06

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