Today in "adventures in ZX80 programming", I've learned that one can't store arbitrary binary data in a BASIC comment or string constant, even after avoiding the obvious forbidden characters, because it seems like quite a lot of non-printable characters freak the machine out.

I guess there's a good reason why everyone seems to store their binary data at arbitrary higher addresses, out of the reach of the BASIC editor.

#sinclairzx80 #zx80

If anyone's misplaced their Sinclair ZX80 assembly instructions, I've got a copy here.
#ZX80
#SinclairZX80

Evolution meiner privaten Rechner(-Meilensteine) seit 1980 #sinclairzx80 #atari520st #80286 #macbookpro #macbookair #ipadpro #tobecontinued @ Cologne, Germany https://www.instagram.com/p/CnADqI6N_26/?igshid=YTgzYjQ4ZTY=

Wow. A look at how the Sinclair ZX80 works.

"[T]he first thing to know about the ZX80 is that, unlike most other computers, it's main job is not to run your code. That's very much a side task. The thing it spends most of it's time doing is drawing a picture on the TV screen. [...] Unlike most other computers of it's era, it doesn't have a video chip."

#RetroComputing #Computers #ComputerHistory #Sinclair #SinclairZX80

http://blog.tynemouthsoftware.co.uk/2019/10/how-the-zx80-works.html