8-bit acorn emulators • Re: MAME: How to ... ?
Although it compiles and links without problem, it always always crashes when run under MAMEThe short answer is that it's using coprocessor instructions that MAME's ARM core doesn't implement. If you...
View Article8-bit acorn software: other • Re: PiTubeDirect
Can I open this one again? I have the same problem. Debug shows the ‘tube reset - copro 0’, and every time I press ctrl break, and the led on the zero toggles. I have MMFS 1.55, and configured TUBE...
View ArticleClik here to view.
8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD
I know there are some differences in the commercially produced boards - will DIY adapters work ok with the CJE boards? Yes.And a couple more Qs whilst I'm at it - are current limiting 220ohm resistors...
View ArticleClik here to view.
8-bit acorn software: classic games • Hidden Music in Pipeline Game
Searched around a bit and didn't see any reference to this - so sharing here!Download the SSD version here (viewtopic.php?t=18361)Code: LOAD "MENU"PAGE=PAGE+&1C00RUNI used to hack a lot of Beeb...
View Articleacorn atom and acorn system series • Re: Latest version of Atomulator for Linux
Very sorry to hear about you eye problems Louis. I do agree the forum structure can be a bit confusing. I was just trying to explain why I think it was decided to keep all Atom and System posts in the...
View ArticleClik here to view.
32-bit acorn hardware • Re: overclocking Arm 3 - by integer?
Interesting. I'm surprised by the alpha. My plastic ARM 3 ran at 33MHz without (apparent) issue (a Watford Electronics upgrade for the A3000), but I did mount a ceramic heat-sink to be on the safe...
View Articlemiscellaneous new bbc and electron games • Re: 9 new games for the BBC Micro...
All games work under BeebEm.What is your issue?Statistics: Posted by Fabrizio — Tue Jun 17, 2025 10:00 pm
View ArticleClik here to view.
8-bit acorn software: classic games • Re: Hidden Music in Pipeline Game
Searched around a bit and didn't see any reference to this - so sharing here!Download the SSD version here (viewtopic.php?t=18361)Code: LOAD "MENU"PAGE=PAGE+&1C00RUNI used to hack a lot of Beeb...
View Articlegeneral • GSTRANS implementations
Over the years I've implemented GSTRANS functions for various platforms, and have been tidying them up and documenting them, along with demo ECHO programs here:...
View Articleprogramming • Decoding 9's complement properly...
Where is my code wrong? It should be going the same amount down as up. negative numbers are decoded as something called 9's complement, and I suspect that this is where I've made an error, Beyond the...
View Articlegeneral • Re: CRT Monitor/TV Repair (Microvitec Cub 853 & 653; Ferguson...
Hi, Jonathan.Thank you so much for your kind offer!If you can drop by and pick them up in the future, that would be great. There’s always someone in, so it shouldn’t be too difficult to arrange a date...
View Article8-bit acorn hardware • Re: VIDEONULA questions
I would be interested in buying one as wellAny availability?AndyStatistics: Posted by bbcandy — Wed Jun 18, 2025 9:47 pm
View ArticleClik here to view.
Introduce Yourself • Re: Hello from Pembrokeshire.
Already done the PSU caps, Tricky, the blew the first time I tried it. Luckily I disconnected the board first.I think the 6845 is shot, as the hsync is running about 4khz, with vsync about 1hz....
View Articleprogramming • Re: Hershey Fonts.
There's a ROM somewhere to help with that.The full fonts are rather large to use with an 8-bit computer. Unfortunately, the binary format they were released in in the 1980s isn't easy to edit out the...
View Article8-bit acorn software: games - high scores • Re: High Score Challenge - S25 -...
Well, level 4 is starting to feel normal now.....not so much level 5......1,820Arachnaphobia-Ghouls-17.pngStatistics: Posted by KarateEd — Thu Jun 19, 2025 2:09 am
View Article32-bit acorn hardware • Acorn A3000 issue.
I have a tidy A3000 here that was working perfectly which i purchased and imported from CJE Micro's at no small cost...shipping was very expensive but I struggled to find one locally. A very well...
View Articleprogramming • Beebasm VSCode and debug
I have been using beebasm and vscode for some time now and it is sooo much easier than the years I spent on unix machines just using "vi" and "make".I have searched the forums and I can't find a...
View Article8-bit acorn hardware • Re: Running DFS on an issue 2
There is a lot of detail in the Acorn BBC Micro Service ManualApologies if I'm missing something but I couldn't find anything in the service manual, or the extract you posted, which explains why pin 5...
View ArticleClik here to view.
general • Re: Today I received.....
Very reasonably priced twin DS/80trk floppy drives with PSU. Amazingly, both drives work fine.Now I can actually get round to my longstanding dream of running single floppy/Atom disk controller in a...
View ArticleClik here to view.
32-bit acorn hardware • Re: Acorn A3000 issue.
Tried typing Desktop (return) at the Supervisor prompt? possible pointers or directions to go from here would be greatly aphi there, to reply to both of these I am getting no response from the...
View Article