Wipeout 2097 is PPC and require RTG because is 3D accelerated only. Descent Freespace is PC porting that require RTG because on Windows side required accelerated 3D gpu or good 2D (so, impossibile to play with AGA). Idem Earth 2140.
If you notice every RTG Amiga games are PC porting by fans and games that on Windows side required 3D GPU or very good 2D acceleration that was impossibile to do with AGA. Myst, Quake, Napalm, instead run very good with AGA (and also these ones are RTG compatible). Maybe we could compare old games not directly PC porting by fans. Many 2020/2021 native Amiga games are OCS and AGA. |
I also remember as an A1200 040/40 (7MB/sec. chipram access) AGA user that many software requires RTG (starting in mid '90). So with AGA you are limited and we all know how slow it is.
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Earth 2140 was written for 16-bit screen depths, where the graphics quality wasn't compromised to try and make it compatible with 8-bit modes. And if you've played Napalm, Foundation and Payback on AGA, you'll know how limited and slow they are compared to RTG (and, of course, they're not PC ports). People making games nowadays that deliberately target the chipset are a different story - they're choosing to target OCS or AGA specifically. And that's fine, especially with the retro revival going on at the moment, most people will have non-RTG systems, and will develop games to fit within the limitations of the chipset.
But, once again, just because something also runs on AGA, doesn't mean RTG has no advantage. Of your examples, Myst is probably the only one that isn't dramatically improved by moving to RTG. Quake and Napalm are both so much faster, smoother and more playable both in terms of framerate and resolution when you use RTG. |
i talk about this things many years ago and so i don't want to re-enter in this chaos, but watch this 3 videos.
Quake on Warp560 with 68060@75 Mhz, RTG 320x240 https://youtu.be/ivnjazQ-w30 Quake on 1260@66 AGA https://youtu.be/F6f7eie9WnU Quake on 1260@80 AGA https://youtu.be/1QZKFpSd0m8 here EAB thread where there is performance AGA/RTG https://eab.abime.net/showthread.php?t=64697&page=3 |
The thing is, RTG is "free" with emulation and it's a no-brainer when you can just toggle a flag - but is it really worth hundreds of euros on a real machine to just play PC ports?
I also find it kinda diminishes the uniqueness of the Amiga platform - you are just slapping a PC SVGA chipset in your Amiga and calling it a day. I remember selling my Picasso II with no regrets at all for the same reasoning. It just didn't feel very "Amiga" to me. |
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I have an A600 with Vampire RTG and it's awesome but having to connect two screens was a pain and I prefer using my A1200 on TV in composite so the A600 is currently sitting in the cupboard until I can find a suitable home for it (too many retro computers, not enough space!). If only I had an 80MHz 060 or Vampire in the A1200... AGA might be 'limited' and 'slow', but it does have certain advantages over RTG, including things that are dismissed as not needed anymore because that's the Amiga way. "No no, you can't possibly prefer sliding screens to forcing everything to run in a window on a ridiculously high resolution desktop!". "You like the big low res mouse pointer and 4 color icons? What's wrong with you?". "You think copper bars and overscan are cool, and you enjoy using software that doesn't run in 24 bit color and need a PowerPC processor? Why do you hate progress?". |
P96 does have sliding screens and hi-res pointers, and why you need copper bars if every pixel can get its own color without palette limitations is probably another question....
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Always amazed me that there was a 24bit internal graphics "card" for any Amiga with a Denise socket, the Avideo/24.
I actually have one now but I don't think it would work in my A1000 so I lost interest and later it wasn't compatible with my launch day A1200 so I kinda forgot about it. Don't know if there was any way to ever make that RTG but it boggles the mind to think A500s with 24bit internal upgrades existed back then. |
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The problem is that one side often does not understand or accept the other here, although both sides could happily coexist. The Amiga as a games machine is tons more interesting when banging the chipset. But it's also fun for me to use RTG and tune your workbench to feel as modern as possible, like I do on my A1200 with its Vampire card. Both things can easily coexist. |
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Was it compatible with the games ? |
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RTG allows to use Fusion/ShapeShifter and tons of Mac 68k software without frameskip and without interlace (on anything better than Zorro2).
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Shame that 1200 is the only one with such limited RTG options. It seems to be the final frontier to overcome on one of the most popular Amigas. Seems like this could be something that can be added into a flicker fixer too to avoid the Zorro slot adapter add-on requirement. |
And where would you have space for a zorrocard in the 1200??
thereis one. called "the cpuslot" |
I almost never do this, but today I'm going to approve of Chucky building a mini-PCI or maybe a PCI-E x1 expansion bus that clips on top of Lisa and maybe Alice or at most one other chip.
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Even a full length card if the floppy drive is removed in favour of a floppy drive emulator. There is simply no will, but OnBoard 1200 was the first step, just needed to be minimized and slot put on a ribbon. Perhaps someone like iComp could do it, by also making a smaller sized accelerator option in combination with it? |
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