Re: Cybervision 16 and 24 bit modes

Thread View: comp.sys.amiga.graphics

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7 total messages Started by Steve Koren Tue, 12 Mar 1996 16:16

#8581

Author: Steve Koren
Date: Tue, 12 Mar 1996 16:16

12 lines
841 bytes

kjgudim (Kjell Gudim) wrote:

> This is an essentiality, since the Amiga use planar but your gfx card
> use chunky and 256 color chunky is the same as 2 color planar.

Err, no.  First, 256 color chunky is not the same as 2 color planar, and
second, even if it was, the difference is more attributable to the much
faster hardware on the card than to any particular organization of
graphics data.

  - steve

Re: Cybervision 16 and 24 bit modes

#8596

Author: kjgudim Kjell Gudim
Date: Wed, 13 Mar 1996 12:37

25 lines
1363 bytes

Steve Koren wrote this in comp.sys.amiga.graphics:

>> use chunky and 256 color chunky is the same as 2 color planar.
>Err, no.  First, 256 color chunky is not the same as 2 color planar, and
>second, even if it was,

I'm not saying I'm a HW guru (I'm not :) ), but I've heard this alot and
the word is that 2 color planar and 256 color chunky are both i 1 bitplane.

I'll leave the explanation to the experts.

That's why Doom clones run sooo slooow on AGA.


>the difference is more attributable to the much
>faster hardware on the card than to any particular organization of
>graphics data.

Yes, the card is of course much faster than the AGA HW.<

--
-------------------------                           --------------------------
| Kjell Gudim           |   EMail : kjgudim@sn.no   | Using Thor v2.22 #1137 |
| LoungeBar Development |   IRC   : Kjellvis        | "Make bits not war!"   |
-------------------------                           --------------------------

Re: CyberGFX library, where?

#8618

Author: Gareth Edwards
Date: Thu, 14 Mar 1996 11:17

11 lines
812 bytes

I've found the Cybergraphics update on aminet (gfx/board), but it's pretty
useless as I can't find an original cybergfx lib to update.

Help!

Love & Life,

G.
--
Gareth Edwards <*> Webmaster <*> Team 17 Software
   config@team17.com     http://www.team17.com

Re: Cybervision 16 and 24 bit modes

#9115

Author: Steve Koren
Date: Tue, 09 Apr 1996 15:37

12 lines
869 bytes

kjgudim (Kjell Gudim) wrote:

> I'm not saying I'm a HW guru (I'm not :) ), but I've heard this alot and
> the word is that 2 color planar and 256 color chunky are both i 1 bitplane.
> 
> I'll leave the explanation to the experts.

You need to find yourself some new experts :-).  They are not the same
either in organization or memory use.

   - steve

Re: Cybervision 16 and 24 bit modes

#9149

Author: Mark P Allen
Date: Wed, 10 Apr 1996 22:45

24 lines
1240 bytes

On 10-Apr-96 01:37:05, Steve Koren wrote:

 SK> kjgudim (Kjell Gudim) wrote:

>> I'm not saying I'm a HW guru (I'm not :) ), but I've heard this alot and
>> the word is that 2 color planar and 256 color chunky are both i 1 bitplane.

 SK> You need to find yourself some new experts :-).  They are not the same
 SK> either in organization or memory use.

:^) He means that a 1-bitplane Amiga screen and a SVGA screen have one
thing in common...they're both chunky format. As soon as the Amiga chipset
uses 2-bitplanes or higher, the representation is planar. A 1-bitplane
screen is essentially chunky in nature.

Regards,

         Mark

---
   mpa@iig.com.au     -    Ph:+61-70-332930     -         Cairns
   Wishful Vision     -    Fx:+61-70-332931     -      Australia
---

Re: Cybervision 16 and 24 bit modes

#9232

Author: kjgudim Kjell Gudim
Date: Mon, 15 Apr 1996 21:29

21 lines
1315 bytes

Steve Koren wrote this in comp.sys.amiga.graphics

>> I'm not saying I'm a HW guru (I'm not :) ), but I've heard this alot and
>> the word is that 2 color planar and 256 color chunky are both i 1 bitplane.
>>
>> I'll leave the explanation to the experts.
>You need to find yourself some new experts :-).

That could be :)

>They are not the same either in organization or memory use.

I don't wanna go on arguing about this for ever.
Everything I've written here comes from another sorce. If that source
is wrong(as you say) then so be it :)

--
-------------------------                           --------------------------
| Kjell Gudim           |   EMail : kjgudim@sn.no   | Using Thor v2.22 #1137 |
| LoungeBar Development |   IRC   : Kjellvis        | "Make bits not war!"   |
-------------------------                           --------------------------

Re: Cybervision 16 and 24 bit modes

#9266

Author: mendoza
Date: Wed, 17 Apr 1996 18:05

13 lines
889 bytes

In article <862.6679T804T465@Th0r.foo.bar>, kjgudim says...
>
>Steve Koren wrote this in comp.sys.amiga.graphics
>
>>> I'm not saying I'm a HW guru (I'm not :) ), but I've heard this alot and
>>> the word is that 2 color planar and 256 color chunky are both i 1 bitplane.
>>>
>>> I'll leave the explanation to the experts.
>>You need to find yourself some new experts :-).
>
>That could be :)
>
Well remove bit from bitplane and you have plane and they are both 1 plane :)

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