Chequered Past
At the end of 2017, Blueberry issued a Checkerboard Challenge to take place at Gerp 2018. There were many fine entries for Amiga and Atari, ranging from 6 to 13 checkerboard layers. We might be five years late to the party (again), but we thought it would be fun to see what can be achieved on the Acorn Archimedes - a machine without bitplane video modes or any blitter-like support chips. Our best result was 8 layers on ARM250 (12Mhz) and 6 layers on ARM2 (8Mhz). Let us know if you can do any better - we’d love to see it!
Run on real Archimedes hardware with RISC OS 3.1 or 2, or if running under emulation, use Arculator v2.1+. For best emulated experience, emulate an A3020 and select sound output filter -> more reduced. This demo requires 4Mb RAM, yeah sorry about that. Party version is ARM250 only but an ARM2 will be supported in the final version, honest.
For best audio quality on real Archimedes hardware we recommend removing the hardware low-pass filter by following the instructions on this thread.
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- Team: Bitshifters & Torment
- Authors: Kieran^Bitshifters, Phoenix^Quantum, Rhino^Torment, Spiny^Torment
- Released: 2023
- Type: Demo
- Platform: Acorn Archimedes