I INSTALLED TREX VIRUS ON A PBM PC VT!!! The TREX VIRUS is a computer malware made specificly for older computer at the time of DOS. gosh this was old.
on the tardy tpm-81 (based on the tandy trs-80): scratch.mit.edu/projects/988250107 on the power [ (based on apple 1, got the name from pb95): scratch.mit.edu/projects/988255860