[ruk_booze]

There are modern FPGA-based options like the Ultimate64.

https://ultimate64.com/Ultimate64

Got one of these too (the now discontinued non-Elite version) and it is pretty cool running stuff at 48MHz:

https://youtube.com/shorts/fF2IXTwWDPQ?si=ww3IXp7CVWDT3SZy

In above video, I hacked the awesome demo Andropolis to utilize U64’s turbo mode during vblank.

This clip shows it running in full turbo mode:

https://youtube.com/shorts/hvmNnwz7ENQ?si=6idbUgRYikXHh25O