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- From: chucks@pnet51.orb.mn.org (Erik Funkenbusch)
- Newsgroups: comp.sys.atari.st
- Subject: Re: Falcon030, resolutions, TRUE color, and DSP
- Message-ID: <8804@orbit.cts.com>
- Date: 22 Dec 92 22:05:00 GMT
- Sender: news@orbit.cts.com
- Organization: People-Net [pnet51], Minneapolis, MN.
- Lines: 68
-
- aa399@cleveland.Freenet.Edu (Len Stys) writes:
- >First of all, I'm told that 640x480 TRUE COLOR would require 4 Megs
- >of memory for NICE games. I'm told that 2 Megs would not really be
- >enough since there must be room for other stuff like sound.
-
- Except that the falcon only allows 3 memory configurations. 1M, 4M, and
- 14M. You can't have only 2M of memory.
-
- >Secondly, no one seems to know if this resolution (interlaced of course)
- >could be displayed on TV without flicker. Does anyone know?
-
- If this is interlaced, it SHOULD work, it'll have SOME flicker, but TV's use
- slow phosphor, so it won't be as noticable on a TV as a monitor.
-
- >Thirdly, I have talked with someone that said that 640x200 (I'm not sure
- >if you can get true color in this resolution) would also produce some
- >pretty good games. I guess that could be pushed to 640x240, but
- >anyways, I'm told that 300k for ONE screen. And you'll need at least
- >TWO screens. This would allow this game to produce with only 2 Megs
- >easily--MAYBE even 1 Meg.
-
- Again, there is no 2 meg configuration. Though 640x400 should give too much
- display contention to get good frame speed, 640x200 might be usable.
-
- >I have been also informed that the Blitter REALLY would not be fast
- >enough to move graphics around. And someone suggested that Atari should
- >have used the TI30410. My question is, would the DSP work just as well?
- >The Atari Advantage article states these things:
-
- It's probably fast enough to do simple graphic moves, but nothing complex.
- The DSP doesn't really have the "oomph" to pretend to be a blitter.
-
- >Image management: Shapes, sizes, contours, shading, highlights
- >Vector manipulation; grahics "engines"
- >CAD/CAM workstations' 3-D image generators
- >Flight (and other transportation) simulators; arts and film sequences
- >
- >If anyone knows anything about the 56001 DSP, please join in and
- >say something!
-
- I've seen posts from people that work for Motorola and know EXACTLY what the
- 56001 can do. They tell me the 56001 is not powerful, or precise enough to do
- large graphical computations. The 96001 is supposed to be much better for
- this. In any case, you lose the DSP to do audio things if you attempt to do
- graphics with it.
-
- >Will the DSP be able to produce CD quality sound AND generate graphics
- >in a game?
-
- The DSP doesn't give you the sound, the DAC's do, however, i'm sure the DSP
- feeds the DAC's so you will probably lose your sound.
-
- >What is the 32Kx24 bit (96K bytes) of local zero wait state SRAM for?
- >What does the DSP do with it?
-
- Well, it's program and data have to be stored somewhere..
-
- >And lastly, the Jaguar is rumored to run off of a RISC 64-bit chip.
- >We don't know what type of chip this is.
- >
- >Could the Jaguar POSSIBLY be a Motorola 68030 at 16 MHz and have a
- >RISC DSP?
-
- Well, knowing Atari's penchant for being dishonest, and alluding to things
- that aren't so, I'd say it's a possibility, but, for those that buy a jaguar
- (if it ever sees the light of day) I hope not. That would be one SLOW game
- system.
-
-