Sinclair ZX80 / ZX81 / Z88 Forums

Maybe a bit of an odd question, but I am looking for ways to pass a few bytes between 'chained' programs in Basic on a ZX81 (i.e., when program A load/runs program B from tape). Variables get reset when LOADing, apparently. Are there memory areas that are safe to POKE stuff into in program A and tha...

... and the RAM.

The intro is mostly scripted, though you get choice on one occasion (so this is possible). After the intro ends, it's up to you to issue the right commands out of 4x4 options. Sometimes there is just one outcome for a command - in other cases, you again get one (or more) choice(s). What's possible a...

Yeah, well, zero skill, experience or interest - so not gonna happen. Just want to have some fun!

Hello everyone, just wanted to say hi from New Zealand. I have had an interest in retro computing for a fair while and now decided to try my hand at my very first 8-bit retro game and chose the ZX81. Have had a career in software development from two decades back, so it was fun going back to the bas...

Hi everyone, just started writing my first 8-bit retro game, and chose the ZX81 as a platform. As for a genre, you could say 'Space Adventure' maybe - it's set in the Star Trek universe and has dialogue-driven gameplay. (Technically, I had a very first go at the same concept a couple of years ago on...