Sinclair ZX80 / ZX81 / Z88 Forums

Cheers guys, I'm using an old cassette player I got with a bundle of Speccy gear. I've never tried to save anything with it so maybe that would be the smart thing to do before assuming the ZX81 is bad. When you say the output is low, would I be able to hear anything using headphones. I dont even hea...

Its weird, any problems Im having seem to happen on all similar machines. This on both Issue 1s. The save problem on both Issue 3s.

That black line does have the "K" for the cursor in it, its just stretched... and black.
I take it that pre 210ULAs work OK with the ZX8 module?

When I try saving using both of my Issue 3 ZX81s the screen display is lost (ZX8 Composite module on both), then it comes back. Im assuming the loss is the data being saved. The cassette and PC capture do not record any sound. I've tried a couple of mono leads and also listened with headphones. As f...

Hi, I'm an old time ZX user and have got some ZX81s recently. I've a couple of Issue 1s and 3s. I've been asking questions over on WOS and the guys have been great helping out. But I think ZX81 stuff gets lost amongst the Spectrum related discussion. So I looked for a dedicated ZX81 forum and here I...