Sinclair ZX80 / ZX81 / Z88 Forums

I was programming some type ins from a magazine last night. I left it on all night and realized this morning that it wasn't responding. I removed the power and put it back in, and nothing. No lights, no screen, no reaction? It was working fine until last night, no problems whatsoever. Is there somet...

mrtinb wrote: ↑Sun Jan 24, 2021 4:12 pm If you havn't seen it, there is also now the ZX-Wespi-V model, that outputs flawlessly to VGA. Cheap ZX81-to-VGA board with built-in tape-emulator.

WOW! VGA for the 81!?? That's amazing!

I'm using it with an older 14 inch CRT TV, But it sounds like If I want to use anything else I need to do the mod, so I will.
Thanks for the links!

I'm thinking about doing a composite mod on my 81. Is it worth it, is the picture visually enhanced a lot?

Just wondering as technology has progressed so much since the Z88's launch If anyone has figured out or found an aftermarket device to offer a display out?
I know the Z88 itself doesn't offer much in expandability, but just wondering.

Welcome!

There used to be a zx81 emulator for the Spectrum, but as luck would have it, I have forgotten its name and I kind find it now. That was in the mid 90s. It ran superbly.

kokkiklhs wrote: ↑Tue Dec 22, 2020 7:34 pm I suggest the excellent OTLA utility...
https://code.google.com/archive/p/otla/ ... oOtla.wiki
...it converts P to WAV and it offers turbo loading speed (~10-12'' for an average 16k proggy) with very high reliability. Dunno if it can handle progs over 16k, but who cares?

Thanks!

mrtinb wrote: ↑Tue Dec 22, 2020 4:24 pm I use this Java application http://www.zx81stuff.org.uk/zx81/tapeut ... rview.html

It doesn't seem to convert to .WAV files, or am I missing something?

Is there a warning sign, or a due date? My 81 is working fine, but I don't want it to blow up on me.