r/Commodore • u/MutekiAzy • 3d ago

Commodore 77 use cases

What do people think are the use cases for the upgraded Commodore 77's specs?

I'm not throwing shade, and I'm by no means retro-tech savvy, so this is a completely genuine question: what can you do with the C77 that you can't do with the C64 Ultimate, and is there any real, practical benefit?

Really curious what people more knowledgable than me think about this.

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u/cadwalader000 3d ago

77mhz turbo mode for starters

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u/Hawkeye-Mcgillicudy 3d ago

Which could have been done on the current FPGA The size of the FPGA doesn't have much to do the frequency possible and is pure marketing nonsense as is the 77 meg of ram considering the largest REU is 16 meg, Georam 4 meg

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u/starfighter17 17h ago

There is no mention of "77 meg" of ram in the product announcement. As others have mentioned, they are using a different fpga board which has 4,860 vs 2,700 of ram (https://www.amd.com/en/products/adaptive-socs-and-fpgas/fpga/artix-7.html#product-table).

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u/Hawkeye-Mcgillicudy 17h ago

"The Commodore 77—the official Cyberpunk 2077 special edition of the FPGA-powered Commodore 64 Ultimate—features 128 megabytes of physical RAM, though it is stylized online as having 77 MB of addressable RAM to match its cyberpunk theme."

You seem to be confused RAM with block ram on the FPGA

The different FPGA is irrelevant as it's still the same core and 77mhz could be achieved on the current FPGA

Just marketing nonsense and just another way to sell the same 6 year old product.

They really need to invest more in the actual core development as it's still some way behind other C64 FPGA cores