Subject: Re: [stella] One Bit Sound? From: Lord Spambraticus of Borg <lord-of-hell@xxxxxxxxxxxxxxxx> Date: Wed, 10 Feb 1999 17:51:06 +1000 |
On Tue, 09 Feb 1999 23:05:58 -0800 krishna@xxxxxxxxxxxxxxx (Glenn Saunders) wrote: >What you are describing may relate to how the Pitfall II cartridge creates >sound. If you want an example of the penultimate of what the 2600 sound >generators can do, the DPC chip is what allows that. > >I doubt that what you want could be done without extra hardware given the >6507's clock speed and its everpresent task of updating the kernel. Well, if you were content to do it whilst little graphics activity was going on, such as a between level song or "atta boy!" sort of thing, it would be easier... To do it whilst graphics animation or a complex playfield needed to be drawn, ouch.... you'd have to "compromise" your graphics kernel to do a sort of TDM of the graphics and sound stuff. Naaaasteee. Hrm... but I may take the combat sources and fiddle with 'em to see the feasibility of adapting a sorta resynthesis sound with SOME graphics playfield stuff.... I can think of some schemes to do it, though the sound quality will NOT be STELLAr ;) Worst comes to worst, you can scanline steal [draw every other scanline], major yucks, but I could imagine certain game types wouldn't suffer too much for it. =Rob= -- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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