general • Re: Interesting YouTube videos
I only found out about the capacitor thing a few years ago, luckily never had an issue with themStatistics: Posted by vexorg — Thu Mar 20, 2025 1:10 pm
View Article32-bit acorn hardware • Acorn A500 Second Processor ROMs
Have the ROMs from the Acorn A500 second processor (not the A500 computer prototype, which definitely has) been imaged at all? If so, are they available to download from anywhere?I have a file on disk...
View Articlemiscellaneous new bbc and electron games • Re: AreGo : Deep Sea Rescue
This looks good - will give it a try!Statistics: Posted by gavinlew — Fri Mar 21, 2025 12:58 pm
View Article32-bit acorn hardware • Re: Acorn A500 Second Processor ROMs
Have the ROMs from the Acorn A500 second processor (not the A500 computer prototype, which definitely has) been imaged at all? If so, are they available to download from anywhere?These are the ROMs...
View Article32-bit acorn software: classic games • Re: Untouched high score file request...
E-Type2Replace $.tracks.Highscores on disc 2 with the attachedStatistics: Posted by sirbod — Fri Mar 21, 2025 1:52 pm
View Article8-bit acorn software: games - high scores • Re: High Score Challenge - S24 -...
A tiny bit more, boy it gets to be a struggle at the higher levels.....Emily-9.pngStatistics: Posted by KarateEd — Fri Mar 21, 2025 2:11 pm
View Article8-bit acorn hardware • Re: UMI 4M
Thank you @fordp for working on this!! I'm also definitely interested in a replica, but after posting here I never found the time to start on it. I expect we'll need to disassemble the ROMs to...
View Article8-bit acorn hardware • Re: Simplified Econet Upgrade kits for BBC Micro
[*]It's worth noting that the two devices I do power down are also LVC devices. However, these are single gate devices (74LVCxGxx), and this single gate series does support 5V operation, so work fine...
View Articleother events + general event chat • Re: Reading’s DIGITAL Revolution Exhibition
Any mention of ME Electronics, the Reading-based dealer responsible for lots of Acorn (and Econet) sales in the Thames valley?It was a striking sociological observation that at the time nearly all our...
View Article32-bit acorn hardware • Re: Replacement A3000 motherboards
I've decided to put together one of these using my problematic A3000 as donor for the difficult to get parts. I've also sourced the 3 terminal 3.5mm Audio jack from this link, and the ferrite bead...
View Article32-bit acorn hardware • Re: Another poorly A3000
OK, I decided to use this machine as a donor and to make up a replacement using my brand new modern motherboard. I've started to assemble the parts and expect to have everything ready in a week or...
View Articledevelopment tools • Re: py8dis - a programmable static tracing 6502...
I've added quite a lot of improvements and bug fixes in the latest version: Uses 'return_1', 'return_2' etc as label names for jumps / branches to an RTS instruction. (Also for 8080) Comments can be...
View Article8-bit acorn hardware • Re: Best Acorn spray paint colour
Thanks for the replies I will check them out.RegardsStatistics: Posted by RonT — Sat Mar 22, 2025 2:19 pm
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8-bit acorn hardware • Re: New Acorn Electron owner
Hi James,If you want to read more about the game I was plugging on your FB post, the "developer diary" is over here viewtopic.php?t=28990 For new games and general Elk magic you can check out anything...
View Article8-bit acorn hardware • Re: .ssd Disk Images and BASIC files
There's also BasConv at https://mdfs.net/Software/BBCBasic/Tools.htm!BasConv for RISC OS will let you drag'n'drop files to convert them, and provides a *command interface.ConvBas is plain BASIC that...
View Article32-bit acorn hardware • Re: My A3010 repair project
Normally the A4000 uses the F82C711 (as do the A3010 and A3020), but here an SMC FDC37C651QF has been used. It seems identical in pinout (and operation) except for pins 94 through 100. Which is why...
View Article32-bit acorn software: classic games • Re: Decent PD, Freeware, Shareware Games?
Digging through the APDL discs, I was surprised to find a partly completed port of Arkanoid II. Does anyone know if this was ever completed?Statistics: Posted by wmd — Sun Mar 23, 2025 1:36 pm
View Article8-bit acorn hardware • Re: New model B owner - joystick / sound etc questions
Fortunately the code is more comments than actual code lines - I'm struggling with whatever I was doing with register shifting to set 0 and 1 correctly. I think the best thing I can do is rescue the...
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programming • Using OSFIND end in channel error
Hey All,Sorry to bombard the forum with assembly questions (I feel I should just create a Ed's assembly questions topic ). I'm now trying to store the data received over serial to a file using...
View Articleprogramming • Re: Using OSFIND end in channel error
You don't mention which assembler you're using, but almost certainly you want more hashes, in BASIC's assembler syntaxCode: lda #&80ldy #filename DIV256ldx #filename MOD256jsr osfindotherwise...
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