WarpUp (391/442)

From:Joseph Fenton
Date:26 Dec 99 at 08:55:32
Subject:Re: [warpup] Quake Porting Group...

Frank Wille wrote:
>
> Steffen H�user wrote:
>
> > - Sound Code (CD Audio works already, but not yet the Sound FX) -
>
> This is somewhat tricky, as you need the current position in your
> sound buffer, which Amiga hardware can't tell you (SNDDMA_GetDMAPos).
> The rest is easy.

This is one area where the 68K cpu comes in handy; set the PAULA
to run in interrupt mode and have the 68K set the audio and a dma
position. This gives a dma position accurate to 2 bytes. Doesn't
matter that this mode uses more CPU time as the 68K shouldn't
be doing much anyways.