Sinclair ZX80 / ZX81 / Z88 Forums

I've heard a lot about the wobbling issue with the ZX81. how bad was it? did it really wipe out everything?

also, as far did anyone ever use this keyboard:https://archive.org/details/syncmagazine-v3_n6/page/n21 (page 23, right side), was it better, worse?

anyone?

I was reading the zx81 manual and am confused about 2 things:

1. how was assembly done (Tried to ask the same thing on AtariAge, turned into a clusterf**k), what are some code examples?
2. What is the difference between New Rom and Old Rom and how does it affect Basic?

thanks in advance

were the typo's ever fixed? also, why is there a mixed Italian-English Q&A?

probably a typo, because I typed everything exactly as written

so,after hours of typing, I got it to run. the ball sails to the top right and bounces, then I get an integer out of range error in 4020. the thing is, I checked and double checked, there is nothing in the line about range. maybe I messed up somewhere. the Code is listed in pages 27 through 30 in th...

it's called dungeon master. It's still in progress but I was wondering if I could get some feedback on improvements

here is the .tap file:https://1drv.ms/u/s!AjhScqO7wC6kix5sOxDPL3Ipfv3V