32-bit acorn hardware • Re: Sound problems on a Risc PC
Clamped by ? Is this a software configuration ?Software? No. Electronically clamped. Something outside VIDC pulling the signal. For example if the OpAmp had died and was pulling its input low.No I...
View Articleother vintage hardware, software and languages • Re: SONY MSX HB-75B Video Issue
Hello AgainDo you mean pin 13 of the LM1889? I could see how that works.If that is the case the regular signal is possibly getting lost somewhere around Q9, 10, 11, 16 & 28Bottom of page...
View Article8-bit acorn software: other • Re: Available ram with disk loading ?
Thanks for the linkStatistics: Posted by lovebug — Fri Feb 28, 2025 12:18 am
View Article8-bit acorn emulators • Re: B-Em Tape Overhaul V4
Now is a good time to report more bugs, as I hope to put out v4.1 with the above changes before too long.Something very minor, but should the code be trying to load a tape when no tape is loaded?If I...
View Articlenew projects and releases: demoscene • Re: Ray Caster Demo - Improved...
I've updated the first post with a new "mode 8" version that improves the performance.Firstly I've done the grid lookup with a table rather than a shift calculation. This helps a little where there...
View Article32-bit acorn software: RISC iX • Re: Adventures in A680 RiscIx
Thanks for this. I was wondering if it were possible to do an ADFS-less disk image, and if it would help.I’ll give it a go when I get chance (may be this weekend). Looks like Ian may already have...
View Article32-bit acorn hardware • Re: RISCPC power supply died - unusual model?
UPDATEI swapped the Schottky diode and optoisolator and it's working fine now. Thanks for all your help everyone!Statistics: Posted by jaholden — Fri Feb 28, 2025 9:19 am
View Article32-bit acorn hardware • Re: A3000 Floppy Drive in A3010?
I believe A3010/A3020/A4000 does what A5000 does and just scan all possible IDs anyway, so may not even need to worry about that. I've an A3020 which has a 'normal' PC floppy drive in it (case...
View Articleoff-topic • Re: LOLPRICE
And anotherhttps://www.ebay.co.uk/itm/386089764405 ... media=COPYStatistics: Posted by Dan1975 — Sat Mar 01, 2025 8:04 am
View ArticleIntroduce Yourself • Hi from Australia
HiI've not had much to do with the Beeb since the early 80s when I ran the Acorn division of Barson Computers in Australia; but I am back in the thick of it, as if I never left. Brian Cockburn was my...
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Introduce Yourself • Re: Hi from Australia
Hi Rob,welcome to this great Forum... Greetings from my little Dutch Atomic Attic, Wim... Statistics: Posted by Multiwizard — Sat Mar 01, 2025 9:10 am
View Article8-bit acorn software: other • Re: Basic's square root algorithm
I think the one from your initial post is functionally equivalent to the Newton implementation I posted. It just gets an extremely good initial guess by halving the exponent, which is already roughly...
View Articlenew projects in development: games • Re: AreGo : Deep Sea Rescue. It's a wrap.
Looks great, Rich is a real matter of all trades beeb and I think Archie related.I like the sonar/ torch effect.Statistics: Posted by tricky — Sat Mar 01, 2025 10:15 am
View ArticleIntroduce Yourself • Re: New Oric Atom owner hailing from Vancouver!
One question (perhaps someone here knows): what went here? An introductory tape of some kind?I don't think it came with an introductory tape. There was a Acornsoft Introductory Package available...
View Article32-bit acorn hardware • Re: Blitz - Originally known, by the designer, as...
Just to let people know that the ARCIN32 is available again!I had problems fitting the XC95144 (dithering hands!) but recently had the idea of searching JLCPCB fo that part - they have it in stock!I...
View Article32-bit acorn hardware • Re: 01-A680B-0000156 - investigating an A680 !
Hurrah!Statistics: Posted by BigEd — Sun Mar 02, 2025 9:02 am
View Articleacorn atom and acorn system series • Re: Atom Software Archive
@Dave, is it an idea to add a zip file of the Archive with UEF files?Then we have the Archive available in MMC-, disc-, and tape format. Matthew is willing to share his UEF converter so the process...
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32-bit acorn hardware • Re: A5000 - 8MB Memory upgrade options
Not a chance. Not only is it missing some of the RAM and a MEMC, it's missing the crucial PALs. The flying wire mess also makes me believe it's a no-hoper.Much the same as I thought, but nice to have...
View Article8-bit acorn hardware • Re: Acorn Speech - Original TI development board used...
TI had a tower sized box, but I don't remember if it was software or hardware - found it http://www.stuartconner.me.uk/ti_portab ... ch_lab.htmAnd I'm pretty sure QBox came indirectly from TI but was...
View Articlearchive submissions • Re: 30th Anniversary BBC and Electron Collection
Hi all,Just re-posted Disc177 in Section 29 due to a correction to the name of the author of Solitaire being Roy Walmsley and not Rob.Mick.Statistics: Posted by Michael Brown — Sun Mar 02, 2025 10:18 am
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