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2021-12-13 15:19

Mr. SID

Registered: Jan 2003
Posts: 421

Sonic the Hedgehog for C64/128 + REU

We're proud to announce Sonic the Hedgehog for Commodore 64/128 + REU (PAL and NTSC).

This is the first game that has exclusively been designed for the REU, to make a fast and smooth full-screen scrolling version of Sonic with little compromises.
This game is a direct port of the SEGA Master System 8-Bit version of Sonic the Hedgehog, with about 64 KB of code hand-translated from the Z80 to the 6502 architecture.

The game will be released as a free download in the coming weeks (exact release date to be announced).
It requires a C64 or C128 (in C64 mode), a compatible REU of at least 256 KB, a compatible drive (.d64 and .d81 images will be provided) and any joystick or gamepad (no extra buttons required). On NTSC, a C128 or other CPU accelerator is highly recommended.

In the mean time, here's a trailer and some screenshots:

https://www.youtube.com/watch?v=jGp4a00OeRs

... 70 posts hidden. Click here to view all posts....

2021-12-23 06:33

Krill

Registered: Apr 2002
Posts: 2845

Sorry to be that guy, but can you go over to Lemon64 or something to talk about your dream game ports to C-64? =)

As for the topic, i'd like to read something more about the technicalities.
Like, how much data is DMA'd on average, per video frame, min/max, to/from, in border or everywhere, etc. :)

2021-12-23 12:53

Digger

Registered: Mar 2005
Posts: 421

Amazing port! Wondering if more games would be made for REU back in '80/90s would contribute to its popularity. Was the REU price the barrier?

2021-12-23 13:08

Krill

Registered: Apr 2002
Posts: 2845

Quoting Digger

Was the REU price the barrier?

Absolutely. RAM came at a premium back then.

A quick websearch brought this up:
"In my March 1987 issue of COMPUTE's Gazette, I found an ad for the 1750 in the back of the magazine. It cost $169, which is the equivalent of $375 in 2019 US dollars. For half a meg. As a comparison, that same vendor sold an entire C128 machine in 1987 for $239."

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