@mathew@universeodon.com @Raffzahn@mastodon.bayern @brouhaha@mastodon.social @resuna@ohai.social @rk@well.com @mcc@mastodon.social I still remember the hex for clearing the screen on the TRS-80 using LDIR (21 00 3C 11 01 3C 01 FF 03 36 20 ED B0 C9). My first experience of poking machine code was following an article in the Molimerx catalogue.
Except I had a Video Genie, a clone of the Trash 80 which omitted two keys (right arrow and clear). It did however avoid the CPU contention snow you'd get if you did a lot of writing to the video SRAM.
Except I had a Video Genie, a clone of the Trash 80 which omitted two keys (right arrow and clear). It did however avoid the CPU contention snow you'd get if you did a lot of writing to the video SRAM.