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32-bit acorn hardware • Re: The AKF18
What I cannot find is how to make the change. I have reviewed the schematics over and over and I think I know how to solve it, but when we''re dealing with 26,000V (per the CRT) I'd kinda like to make...
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8-bit acorn hardware • Re: Reading from a Philip Harris "Easy Memory...
I had a stab at writing some 6502 - not one of my areas of expertise it doesn't work - freezes the BBC and turns it into a non-Econet 16K machine - a pointer overrun somewhere I guess.Code: 10 DIM...
View Article8-bit acorn hardware • Re: Replacement Serial ULA module for the BBC Micro
If you have any images of the Acorn BBC Serial ULA and/or Serial Processor I'd be very interested to see them. It would be great to figure out the original logic design.Sadly not, but I do have the...
View Article8-bit acorn software: other • Re: Note Quiz - to help with learning the notes...
Thank you so much for this - I didn't know how to detect this. Elkulator does indeed support the MRB, along with its associated speed-ups. I've managed to get the code in, with just enough room left...
View Article8-bit acorn hardware • Re: Acorn teletext adapter revisited
In my case, I found the modulator had a ground loop, so I used a grounded PSU and all the problems with corruption disappeared. Using the Pi, I have teletext on all my old TVs, the Acorn wedge and...
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8-bit acorn hardware • Re: cassette relay
Yeah, I just clicked on the link I had to the BoM and it is empty I can't remember whether I found the part and tried to edit the BoM by using the comment feature.Statistics: Posted by maniacminer —...
View ArticleIntroduce Yourself • Re: Hello from Merseyside
Welcome to the Forum, limewolf . . . Enjoy . . .Dave H.Statistics: Posted by daveejhitchins — Thu May 08, 2025 10:35 pm
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8-bit acorn hardware • Re: Should I buy a BBC B or Master 128?
I am now a proud owner of a BBC Master 128Statistics: Posted by Distorted Vision — Thu May 08, 2025 10:37 pm
View Article8-bit acorn hardware • Re: AtoMMC wont boot on my atom
Have you tried swapping the 6502 for another one?Statistics: Posted by hoglet — Thu May 08, 2025 10:38 pm
View Article8-bit acorn software: classic adventure games • Re: Sphinx Adventure
I was trying to think of any other text adventures among the hundreds I have played down the years with no save game option included. Off the top of my head I can only think of two. Cave adventure by...
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development tools • Re: Envelope Editor Program?
this is terrific - I've been using it this afternoon to improve some of my envelopes. Thanks!Glad you're finding it useful.I need to produce some sounds for bells and chimes so will give it a go. A...
View Article8-bit acorn emulators • Re: Exact timing of Acorn Electron
This is very interesting, thank you.It would be helpful to be explicit about exactly what your time zero corresponds to:00000 start of odd field which is 312 scanlinesFor example, is this the falling...
View Article32-bit acorn hardware • Re: Should I buy a RISC PC?
What does ‘excellent condition’ mean for you? Looking pretty on the outside? Or fully functional?Anything that works is going to be £150-200. With repairs to the board (there are inevitable battery...
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32-bit acorn hardware • Re: A4000 IDE problems
I'm putting it ROM to use it The IDE hardware is all working fine now I've replaced IC45. I wanted to use the additional capabilities of IDEFS to make the most of the CF card I'm using.Statistics:...
View Articlegeneral • Re: Interesting YouTube videos
Tony's finally dragged himself away from grim old x86s again ... https://www.youtube.com/watch?v=g3ncoeenX7IStatistics: Posted by IanJeffray — Fri May 09, 2025 10:39 pm
View Articleoff-topic • Re: Amiga-like demo on raspberry pico2 (RISC-V flavour)
He's quite good at things and stuff.Understatement. What he does in the 256 bytes of A Mind Is Born is beyond craftyStatistics: Posted by scruss — Fri May 09, 2025 11:38 pm
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8-bit acorn software: other • Re: *CAT while dismounted
What I might have been doing was *.ing the root and a subdirectory alternately, swapping discs between each pair. Unless I'm mistaken, if there aren't dirty caches waiting then ADFS won't complain...
View Article32-bit acorn hardware • formatting a 1GB CF card to <512MB
I have one of the lesser-spotted DT Software 16 bit IDE podules (yr 1992) fitted to the back of my A3000 and thought I would now add an extra CF card. I bought a new 1 GB card but failed to appreciate...
View Article32-bit acorn hardware • Re: formatting a 1GB CF card to <512MB
This is exactly the way. Nominally 1014 cylinders for 495MB to give the optimal LFAU. Various software gets these limits a little different but definitely 499MB or less, or you’ll just waste lots of...
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32-bit acorn hardware • Re: Dead RiscPC#1 - Virq and Sirq bad
OK, some more progress on this board - some of which might even be positive!I compared the d0 signal to that on another board, and found that this one is definitely not normal. So I decided to swap...
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