Raven. A homemade Atari-like computer

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agranlund
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Re: Raven. A homemade Atari-like computer

Post by agranlund »

Can we Quake?

A for effort little computer, but you're not quite strong enough yet.



Will be interesting to compare again whenever I get around to working on memory access again
The machine is not yet doing any kind of burst so cache misses are hurting a lot more than they should.

That ISA card is not doing us any favours either of course :)
Oldskool
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Re: Raven. A homemade Atari-like computer

Post by Oldskool »

Saw the github. Need to check it out in more detail.
Do you have a full 060 now as Quake is running?
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agranlund
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Re: Raven. A homemade Atari-like computer

Post by agranlund »

Oldskool wrote: Sun Jun 09, 2024 1:12 pm Saw the github. Need to check it out in more detail.
Do you have a full 060 now as Quake is running?
Yeah, it was lent to me for testing so I tested with Quake.
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stephen_usher
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Re: Raven. A homemade Atari-like computer

Post by stephen_usher »

Seems to run as fast as on the PC I had when Quake first came out! :-)
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
mikro
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Re: Raven. A homemade Atari-like computer

Post by mikro »

Which quake did you try? This one: https://pmandin.atari.org/en/index.php? ... game-quake ? (assuming you're still in the SDL waters...)
CiH
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Re: Raven. A homemade Atari-like computer

Post by CiH »

That Quake looked OK to me. I guess always room for improvement.
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agranlund
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Re: Raven. A homemade Atari-like computer

Post by agranlund »

stephen_usher wrote: Sun Jun 09, 2024 6:04 pm Seems to run as fast as on the PC I had when Quake first came out! :-)
Hehe same here. I think we tolerated a lot worse framerates back then :)
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agranlund
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Re: Raven. A homemade Atari-like computer

Post by agranlund »

mikro wrote: Sun Jun 09, 2024 7:10 pm Which quake did you try? This one: https://pmandin.atari.org/en/index.php? ... game-quake ? (assuming you're still in the SDL waters...)
That's exactly where I headed first :)
Though I couldn't find any sourcecode and following the links lead me to adding Nova to the version you shared here: https://github.com/mikrosk/quake
mikro
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Re: Raven. A homemade Atari-like computer

Post by mikro »

Oh nice. If you built it with the asm optimisations then yes, this is as fast as it gets (Patrice's versions are pure C code, very slow).
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