vac253v@monu6.cc.monash.edu.au (Richard Jones) (12/21/90)
I have seen a few specs on the ecs floating around this newsgroup, but I would like to get it all in one place. Just a few q's.... 1) Fatter agnus. I know I have one. I know it allows 1 Meg ChipRam. Anything else? 2) ECS Paula. what's it do? 3) ECS Gary. does it exist. what's it do? 4) ECS Denis. what's it do? Thanks. Richard Jones... The Condor. "I didn't design the f*****g thing!" vac253v@monu6.cc.monash.edu.au -Me, all the time.
raible@cbmvax.commodore.com (Bob Raible - LSI Design) (12/22/90)
In article <1990Dec21.001727.20190@monu6.cc.monash.edu.au> vac253v@monu6.cc.monash.edu.au (Richard Jones) writes: >I have seen a few specs on the ecs floating around this newsgroup, but I would like to get it all in one place. Just a few q's.... > > >1) Fatter agnus. I know I have one. I know it allows 1 Meg ChipRam. Anything else? > >2) ECS Paula. what's it do? > >3) ECS Gary. does it exist. what's it do? > >4) ECS Denis. what's it do? > > >Thanks. > >Richard Jones... The Condor. "I didn't design the f*****g thing!" >vac253v@monu6.cc.monash.edu.au -Me, all the time. ECS upgrade consists of two chips,AGNUS& DENISE,PAULA & GARY are uninvolved. ECS AGNUS (CSG PN 8372) is bonded out for 1MB chip RAM,can be switched from PAL to NTSC in both h/w and s/w, and has new programmable video registers. ECS Denise (this one's my puppy) supports 35nSec pixels, new programmable video registers, and all kind of new genlock goodies put in at Dale Luck's request. Basically this chip set was created to support productivity mode, but as you can see some other stuff came along for the ride. Hope this dispels some confusion.
daveh@cbmvax.commodore.com (Dave Haynie) (12/22/90)
In article <1990Dec21.001727.20190@monu6.cc.monash.edu.au> vac253v@monu6.cc.monash.edu.au (Richard Jones) writes: >1) Fatter agnus. I know I have one. I know it allows 1 Meg ChipRam. Anything > else? 1 Meg Fat Agnus. It supports 1 Meg of Chip RAM, programmable display rates to support new video modes and PAL/NTSC in the same chip, and a few more details, but that's the basic idea. >2) ECS Paula. what's it do? No such critter. >3) ECS Gary. does it exist. what's it do? Ditto. >4) ECS Denis. what's it do? That's Denise. She's the display chip, and is now capable of more display modes. As well as all the old modes, ECS Denise does a number of modes that use 35ns pixels rather than the 70ns (hires) or 140ns (lores) the old chips did. Examples of these modes are 1280x400 or 640x960 interlaced and 640x480 noninterlaced. All 35ns pixel modes support 2 bitplanes maximum, with a palette of 64 colors. >Richard Jones... The Condor. "I didn't design the f*****g thing!" >vac253v@monu6.cc.monash.edu.au -Me, all the time. -- Dave Haynie Commodore-Amiga (Amiga 3000) "The Crew That Never Rests" {uunet|pyramid|rutgers}!cbmvax!daveh PLINK: hazy BIX: hazy "I can't drive 55" -Sammy Hagar
ckp@grebyn.com (Checkpoint Technologies) (12/22/90)
In article <1990Dec21.001727.20190@monu6.cc.monash.edu.au> vac253v@monu6.cc.monash.edu.au (Richard Jones) writes: >I have seen a few specs on the ecs floating around this newsgroup, but I would like to get it all in one place. Just a few q's.... > > >1) Fatter agnus. I know I have one. I know it allows 1 Meg ChipRam. >Anything else? Bigger blits, up from 1K by 1K to 32K by 32K pixels. New DMA timing parameters to match the new Denise resolutions. >2) ECS Paula. what's it do? No such chip. Paula is unchanged. >3) ECS Gary. does it exist. what's it do? Again, no such chip. >4) ECS Denise. what's it do? New Genlock/transparency modes Productivity mode (35ns pixel mode) Fully programmable horizontal and vertical resolutions -- First comes the logo: C H E C K P O I N T T E C H N O L O G I E S / / \\ / / Then, the disclaimer: All expressed opinions are, indeed, opinions. \ / o Now for the witty part: I'm pink, therefore, I'm spam! \/
raible@cbmvax.commodore.com (Bob Raible - LSI Design) (12/27/90)
In article <24188@grebyn.com> ckp@grebyn.UUCP (Checkpoint Technologies) writes: >In article <1990Dec21.001727.20190@monu6.cc.monash.edu.au> vac253v@monu6.cc.monash.edu.au (Richard Jones) writes: >>I have seen a few specs on the ecs floating around this newsgroup, but I would like to get it all in one place. Just a few q's.... >> >> >>1) Fatter agnus. I know I have one. I know it allows 1 Meg ChipRam. >>Anything else? > >Bigger blits, up from 1K by 1K to 32K by 32K pixels. >New DMA timing parameters to match the new Denise resolutions. > >>2) ECS Paula. what's it do? > >No such chip. Paula is unchanged. > >>3) ECS Gary. does it exist. what's it do? > >Again, no such chip. > >>4) ECS Denise. what's it do? > >New Genlock/transparency modes >Productivity mode (35ns pixel mode) >Fully programmable horizontal and vertical resolutions ^^^^^^^^ My lady-friend Denise has no knowledge of the vertical scheme of things. In fact she has to monitor bitplane activity to determine if she's within the bounds of the vertical display window as determined by AGNUS. This tends to illustrate that the chip partitioning causes some procedural difficulties. Other than this faux-pas, this description is fairly accurate. I posted something similar not to long ago. >-- >First comes the logo: C H E C K P O I N T T E C H N O L O G I E S / / > \\ / / >Then, the disclaimer: All expressed opinions are, indeed, opinions. \ / o >Now for the witty part: I'm pink, therefore, I'm spam! \/