Re: Playing samples on both new and old SIDs

From: Richard Atkinson (
Date: 2000-07-29 01:38:38

On Fri, 28 Jul 2000, Robin Harbron wrote:

> Both the PRG and Mapping claim that pulse width=(register value/40.95)%,
> so that setting the pulse width to 4095 would get a duty cycle of 100%.
> It wouldn't be the first time they were wrong, of course...

That is wrong; I've checked this with an oscilloscope. Either set the PW
registers to 0 and rely on the envelope generator at full volume for DC
offset, or use the zero frequency method as already described.


Richard Atkinson
Software Engineer
Tenison Technology EDA Ltd

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