The Sinclair QL Forum

Hi Norm!

I used to trawl your QDOS internals site a lot - I liked the format and style, as much as the info, which, as you say, is now fairly well covered elsewhere.

Thanks for hosting it as long as you did!

Dear Javier

What a truly handy online utility! Thank you

Here's a rendition from your tool of my favourite 32k QL mode-8 _scr, courtesy of ACG/Ultimate - one I use for testing my Networking developments (hope I'm not encroaching on copyright - if so I'll delete it immediately.)

Hi Steve!

Once again, I'm so impressed to see you develop these comp science ideas on our beloved platform...

Just didn't want you to think that no one is reading your posts with very keen interest!

Welcome Andrew!

Whatever the motivation to come home to the QL, you have friends here

Hiya Techy!

So impressed with your assembly and execution of these great little devices, I'd love to purchase another 2 units for my remaining QLs - but only after others here have the opportunity to pick one up for themselves!

Ah yes, that's the thread I was remembering - thank you! I see now that the zip archive I uploaded only included the original plus a more readable version of Tony's original EQN file. I've since found my updated version 'v1.10' - attached here. This version uses Pin 6 (which I chose to rename to 'Up...

Hi Derrick et al There is a simple GAL update that allows you to selectively enable/disable the upper 16KB of the onboard 64k EPROM (disabled in the original design). With the addition of a micro SPDT (or should that be a DPST???) connected to the board with a flying lead (3-way), you can then have ...

@Leon

As I have a range of QLs of all three motherboard versions as well as both GC and SGC, perhaps I can also do some testing if I could purchase your ULA replacements?

I'll PM you

Hi again afx!

afx wrote: ↑Tue Jan 23, 2024 7:55 pm Thanks, Martin!. That new document will surely be of great help as well.

Ok. Once I've completed work on the next ND-Q68 driver release (imminent) and touched-up the latest ND-MQ Net driver for the QLUB, I'll turn my attention back to the MQ/QLUB technical note.

...and a second post to add a few more photos...