MiniMig with AGA

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@yaqube

you rock, man!

If it was possible to add a socket for a real 68060 I would probably buy one.

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@yaqube

A daughterboard with 060 and some goodies like dedicated SDRAM, Fast Ethernet and USB ports is planned.

that's really nice :-) BTW, do you think it would be possible to emulate the registers of some gfx chip like Virge/Trio64/CirrusGD54xx? If an amiga gfx card was emulated no drivers would be required so we would have P96/CGX support. That would require that 020 emulation was already present.

Have you think about bounties? I know you do this for fun but perhaps it would help to buy pizzas :-)

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@hattig

Toccata emulation may help for that. Anyway I'd like to see 020 support before. And Cirrus||Virge emulation after 020 support :-)

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Cirrus and Virge were really tack-on PC parts retrofitted to Amiga. Virge was actually known  in the PC circle as a "3D Video Decelerator" meaning that the 3D rendering performance was slower than simply using the CPU.

that comment makes me think you have never used RTG on Amiga. On Amiga CirrusGD5446 and Virge work great, infinitely better than AGA. Moreover, P96 drivers already exist for that. When I say Cirrus/Virge I mean making something register compatible so P96/CGX work with it. You could run your Cirrus/Virge at whatever frequency you like since it's not a real chip. BTW, Virge3D part works faster than software rendering with slow cpus. I am not interested on Warp3D on minimig anyway but it would be possible.


[/QUOTE]I really think the developers would be better off expanding the AGA core to support some "new" chunky 8bit, 16bit or 24bit modes. Here we have the opportunity to go back and fix AGA and make it would it should have been.[/QUOTE]

I disagree with that because nobody is going to write drivers for that extensions. So zero software would actually use it. In contrast if a gfx chip supported by P96 or CGX was supported we suddenly would be able to run ALL amiga RTG software.

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If there was a 20-30 Euro extra price for the version with svideo/composite out, how many people would be interested?
Before I get the chips, it would be useful to know if I should make all the boards with svideo option, or say half.
(To get the basic board price down I made the svideo/composite a build option)
Cheers,
Mike

DVI for me. Most of modern TVs have VGA/DVI/HDMI inputs.

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@Hattig

I guess the chunky modes could have a P96 driver created for them.

Although making a P96/CGX driver would be a great idea there are chances no one can do the task (lack of DriverDeveloperKit or simply skills).

Existing chips supported by P96/CGX are well documented (like CirrusGD5446 or Virge) so it could be possible to emulate the behaviour of the gfx chip so existing drivers work without changes. I hope implementing the gfx chip would not require a lot of accuracy, just the minimum to open screenmodes and make blitter work, the important part would be register compatibility, the rest could be reimplemented as developers choose.

Cirrus Logic Linux drivers seem to be more or less well commented so it's not hard to see the addresses of the registers and their functionality. I'm not saying making a complete svga chip with a FPGA is easy, but Amiga drivers probably don't require to have a perfect VGA chip emulation (no need of emulating segmented memory layouts, no need of some VGA registers and screenmodes unused by P96/CGX drivers...)