@All

I made a new video that shows how all the latest "Big" classic amiga games of the late commercial amiga era run on AmigaOS4. There I show games such as Napalm, Earth2140, Wipeout2097, Exodus, Software Tycon, PayBack, Foundation Gold, Nightlong, Heretic 2, The Feeble Files, MYST and CrossFireII. Also, put some comments there, and they're just it all will be not that "static" to watch just the recorded video. Hope you like it:

https://youtu.be/kYc9aCCsoSA

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@kas1e

Nice!


Do you think Heretic II may work with plain MiniGL on R200 (using that new WarpOS wrapper)? I ever wanted to play this game on Amiga.

@pavlor

Quote:

Do you think Heretic II may work with plain MiniGL on R200

yes, it did on AmigaOS 4.0 update 4 or something like that.
I believe level 3 is a swamp, where is lots of fog, that level had major graphic problems. other issues was transparent walls, unless you picked software rendering.

Quote:

(using that new WarpOS wrapper)? I ever wanted to play this game on Amiga.

No, the new 3d wrapper is not for old graphic cards.

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@pavlor

As far as i can tell, Heretic2 didn't work over current MiniGL on any cards (can't say about pegasos2 and old amiga-xe, etc), but you still can run it in software mode (so no window mode, no big resolutions, etc).

The only way to run it over warp3d on amigaos4, is nova-bridge for nova supported cards (radeonrx/radeonhd), buti don't know when Mattew plan to release nova-bridge for public.

But even in software mode, you of course need that warpos wrapper (ReWarp).

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@kas1e

I always wondered about the demand for WarpOS compatibility. What WarpOS exclusive software exists that requires a wrapper? I can think of Heretic II - which, as you pointed out, has multiple other issues - and WipeOut 2097, which works (now).

What else is there, that does not have a OS3 or OS4 build available?

@cgutjahr

I thought Payback PPC was one as I only saw the 3d mode in the PPC version. But I've been told it is there in the 68K version. I can't check now because some files are missing in my install and it won't play anymore.

@Hypex

Payback has W3D versions for 68k and WarpOS:

http://www.apex-designs.net/payback_update_amiga.html

@cgutjahr

http://aminet.net/search?arch[]=ppc-warpup&arch[]=ppc-powerup

638 files for WarpOS / PowerUP on Aminet.

There is lot WarpOS/AGA/Paula that never work, it nice some programs and demos was updated to RTG+AHI, not sure people are around anymore, we can only hope.

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@kas1e

watched the video now, nice summary of the situation.

I take it Napalm and Exodus were actually *written* in m68k assembler? Or did you patch compiled code (that sounds like a horrible task)?

@NutsAboutAmiga

Quote:

638 files for WarpOS / PowerUP on Aminet.

I'm aware of that. Guess who added the proper architecture marker to every single one of those files ;)

But 99,9% of that is Linux ports. Games, emulators (both often without sound, which tells you how much work went into that port), console tools etc. All of which is badly outdated and/or has OS3/OS4 builds available.

Which is why I'm asking for WarpOS exclusive software.

But (scene) demos is a good point, I tend to forget about these all the time.

@cgutjahr

Surprised that site still works. It's a bit vague though I think. Wat I mean is rotating mode:
Rotating 3D mode. [Requires PPC and/or Warp3D]

Well is it PPC or Warp3D? PPC and Warp3D? Just Warp3D? In that case if it's Warp3D then only listing Warp3D helps.

@cgutjahr

Quote:

I take it Napalm and Exodus were actually *written* in m68k assembler? Or did you patch compiled code (that sounds like a horrible task)?

Its relatively simple 8 steps.

1. Download some tools.
2. Decompiled,
3. Find the bugs.
4. Make changed
5. Compile
6. Create binary diff between original and new file.
7. Write docs / readme.
8. Upload patch.

Show stoppers:

1. File can’t be decompiled, due to encryption, self-modifying code, or whatever.
(Not worth it.)

2. Finding the bug.
(Learn to debug code.)

3a. Lack of knowledge.
(Learn more)

3b. Lack of skills, don’t understand the code.
(Work harder, test the code, see what it does, ask someone.)

3c. Hard to read code.
(Solution work harder, or ask someone)

4. Can't find a workaround
(learn more, or ask someone)

Last edited by NutsAboutAmiga on 28-Feb-2022 at 07:27 PM.
Last edited by NutsAboutAmiga on 28-Feb-2022 at 07:26 PM.

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@cgutjahr

There a few plugins fore few programs, there a lot of emulators, most of has a native AmigaOS4.x version.

yes there is lot of tools, just because a tool is old don’t need to make it useless, CLI tools can work, but there is not a major difference between a WarpOS tool vs AmigaOS/M68K tool, most tools are pretty fast anyway. they where not made for 1.8Ghz more like 25mhz to 200mhz range.

The most interesting stuff I guess is some of the games, and a lot of the demos.
I’m sure going through all 638 files will be painful, you will crash the OS a lot, before you find anything useful. there is a big variation in the quality of old programs, tools, games, plugins and demos, etc.

That’s one of major problems take demo scene for example you find RTG+PPC stuff, but you don’t know if sound work or timing is ok, just because its PPC, does make it system friendly. some demos work only under wherry specific hardware requirements. 15bit screen mode for example. some Demos can ignore bytes per row, or other things. It’s the same for any game or demo, the programmers can’t tell the future and make major mistakes sometimes.

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@cgutjahr

Quote:

I always wondered about the demand for WarpOS compatibility. What WarpOS exclusive software exists that requires a wrapper? I can think of Heretic II - which, as you pointed out, has multiple other issues - and WipeOut 2097, which works (now).

Basically, PPC/WaprOS only games are Heretic2 and WiperOUT2097, indeed. All other games such as Earth2140, Payback, Nighlong, The FeeleFiles, etc - while also have WarpOS binaries, have 68k versions at the same time too, so not of big deal.

There is also different versions of Quakes for WarpOS, but that makes no big sense of course, but still.

Another point is demos from MadWizzards & Encore. There are about 10 MadWizzards demos and 2 Encore's ones which only WarpOS and thanks to NovaBridger and Rewarp now work and are bug-free.

And there are also some apps, but for my own interest, it's demos from Mazi/Encore and WipeOUT which make me want to have WarpOS too. The things which never work at normal speed for me on my old monstored a1200.


Quote:

Payback has W3D versions for 68k and WarpOS: http://www.apex-designs.net/payback_update_amiga.html

Yeah, it can use Warp3D, but that is the only game that didn't work with the current version of NovaBridge, there is report about : http://www.amiga.org/developer/bugreports/view.php?id=853

I got a mail from the author of PayBack a few days ago, and he says that yeah, it is very much possible that PayBack has problems with warp3d code. I also ask if it is possible to take a look at the sources, but have no answers now. Of course, i can disassemble it and find out how it works, but that will take longer


Quote:

I take it Napalm and Exodus were actually *written* in m68k assembler? Or did you patch compiled code (that sounds like a horrible task)?

There is "IRA" disasembler which can decompile 68k binaries to more or less readable assembler code, with some tricks, and manul work you may have good enough sources. Then by for example "vasm", you compile that code back to the binary. So can made any changes and have a working binary again. That how we do for Napalm (that Alfkil do), and for Exodus (that i do with help of Daniel and LiverforIt). With Foundation i have to patch just a binary for prefs, and for game itself again disassembly/reassembly binary.

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@kas1e

awesome stuff thanks for posting

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