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Old 29 October 2019, 12:14   #1
Solo Kazuki
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Possible AGA versions?

This thread is just made to start discussion about

In 80's and begin of 90's Amiga games are mostly as good as other versions or better. But in 90's many games for Amiga was worst, mainly because limits of OCS/ECS chipset and memory (1MB mostly) and not utilising AGA available since '92/'93. Some games were released in both OCS/ECS and AGA versions and most AGA versions looks much better.

But, basing on great work of CFOU! with Eye of the Beholder (both parts) i begin to think if there is possible to make AGA versions of some games? Which games have more chances and which less? Is required complete rewrite of game code or in some cases just some modifications are enough?

Edit:
Here is list below what was done so far.

Eye of the Beholder (CFOU!) - VGA data support for AGA version
Eye of the Beholder II (CFOU!) - VGA data support for AGA version

Last edited by Solo Kazuki; 29 October 2019 at 13:28.
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Old 29 October 2019, 12:20   #2
Steril707
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Originally Posted by Solo Kazuki View Post
Which games have more chances and which less?
I'd say games with static images have a better chance.

Upping the bitplanes in $dff100 and drawing more colourful images to replace the older ones might work easily, depending on the game and its code.

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Is required complete rewrite of game code or in some cases just some modifications are enough?
You need at least to set additional bitplane pointers in your copperlists.
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Old 29 October 2019, 13:39   #3
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Quote:
Upping the bitplanes in $dff100 and drawing more colourful images to replace the older ones might work easily, depending on the game and its code.
There is no need to drawing anything in some cases, just like in EOB converting/using VGA graphics is enough.

Last edited by Solo Kazuki; 29 October 2019 at 17:23.
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Old 07 November 2019, 12:13   #4
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There is no need to drawing anything in some cases, just like in EOB converting/using VGA graphics is enough.
I meant "blitting" by drawing, sorry for the wrong expression.

You need to alter your blitting process if you use more planes.
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Old 07 November 2019, 19:54   #5
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Space Hulk, 256 colours and 30khz screen support
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Old 23 November 2019, 16:12   #6
Solo Kazuki
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Space Hulk, 256 colours and 30khz screen support
Could You explain more about this? Is there any AGA version of Space Hulk?
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Old 24 November 2019, 00:17   #7
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The PC version does run in 256 colors and looks significantly better (also the game's exe contains debug infos).
Afaik there's no AGA version of Space Hulk (yet).
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Old 24 November 2019, 01:19   #8
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The PC version does run in 256 colors and looks significantly better
Like many PC VGA games which have not Amiga AGA version...
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Old 24 November 2019, 05:23   #9
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For me, the ones that come to my mind first of all are the following:

Monkey Island 2
Space Quest IV & V
Police Quest 3
Day of the tentacle
Sam and Max hit the road

Yes, I know, these (and many more) can be played using ScummVM, but a native AGA version would require far less in the way of RAM and CPU power, at least, to the best of my knowledge.
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