Sinclair ZX80 / ZX81 / Z88 Forums

Patters is working on a flashable version of OZ 2-4.

He has produced the files, but they're not tested on real hardware.

They would allow you to downgrade Oz 4.5-oz5 to oz2-4

Sorry, don't know how to mention in this forum

The definitely need a decent cable with hardware handshake. So guidance on cables here...

http://www.rakewell.com/z88/z88comlinks_i.shtml

I think the screen is fine, I think the issue I'm having is at the z88 end.

I think this because I have 2 screens and both display this behaviour in this particular z88.

Could it be a bad capacitor or something like that?

One issue I have with either screen is the screen seems to have uneven contrast. This is true with both screens, so it must be some issue with the board? https://gitlab.com/JB1zzel1/z88-repair/-/raw/main/IMG_20230303_210620__01.jpg With the new screen it's only visible when the contrast is very low ...

Welcome! I'm also in E Yorks. Maybe we're retro neighbors lol

Great thread! I have 2 z88's one with each screen type. However, the screen with the plastic bezel is in bad shape, with weird squiggly lines of dead pixels running through it at the corners. From reading the EPROM User Group documents, I note that there was a lot of concern about the screen being d...

https://youtube.com/shorts/T5wp5JhNW1M?feature=share I made a test cable and now you can hear the z88 making save to tape nosies, if you want. :D :D By the way, I spoke to Word Mongers and they agreed that zTape can be made available. Patters have converted the files to ram installable apps - my vi...

cha05e90 wrote: ↑Wed Jan 11, 2023 1:29 pm Ah, thanks for the hint, I'll look into that...

Here is an article about connecting the z88 to the ql

https://www.timexsinclair.com/article/z ... nnections/

Hello!

I made a video showing how to send files between windows and a stock z88 running OZ3, without any software other than what the z88 ships with.

I hope it's helpful.

https://youtu.be/hWySDRTtYeM

Brilliant, that's a great item.