Composite didn't give me anything. Thought I'd worry about that later

Sorry, missed this post. Yes, the sound works at the start and the caps lock/shift lock toggle.Actually, just a photo of the first (mode 7) screen may be sufficient. Does the sound and the caps lock/shift lock toggling work with Tricky’s rom installed?
Is that topic pertinent to Bs as well as the Master?Well done
viewtopic.php?f=3&t=6383&p=61457 may help you with your noisy beeb...
Ok, thanks for the info. If tomorrow I get the bits I'm waiting for I'll start having a play with the probe.Yay!
Some hints and links to guides on using an oscilloscope are here and here
You can either use your logic probe or your ‘scope to trace signals.
Well I have a Fluke (179) and a logic probe which I can use confidently, I have a Siglent SDS 1052DL which I'm not so proficient with. In fact, I'm not proficient at all with it, but I would like to beBy the way, what test gear do you have / have available/ can borrow or pinch?