Elementum
In a strange, hostile world electronic components have taken the 6502 CPU hostage. Its 8 status flags are scattered all over each of the 32 levels. You, a brave electron, have to collect the flags and free the 6502. Watch out for bad caps, leaky batteries, rogue Z80s and your nemesis: the positron!
UEF cassette version can also be downloaded here.
Latest version 1.04. More info can be found on the Stardot forum.