GitHub - visrealm/pico9918: A replacement for the classic TMS9918A/TMS9929A VDP, powered by a Raspberry Pi Pico
PICO9918
A drop-in replacement for a classic TMS9918A VDP using a Raspberry Pi Pico.
Currently in the early prototyping stages, but looks very promising.
Hardware
Gerbers will be released soon once I validate the v0.3 PCB. The next stage will be to shrink it down, by including the RP2040 directly, rather than pluggin in an external Pi PIco module.
v0.3 Schematic is available now, however this revision has not yet been tested.
Raspberry Pi Pico Module
Note: Due to GROMCLK and CPUCLK using GPIO23 ...
Read more at github.com