The Arduino Mega is a useful ... LZ77 compression was used to cram the data down without requiring too much RAM, which is a limited resource on the Mega. It’s video only, as the Mega is tapped ...

[Andy] didn’t want to use up 24 pins on his Arduino, so he used a latch to multiplex the lowest 8 address lines and the data lines together. With the 512KB RAM expansion installed, the Mega is ...