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8-bit acorn hardware • Peartree MR3000 ROM Board (Issue 2)
I thought I'd document this for anyone who is interested in Beeb hardware.This is my original ROM board from my first BBC Micro (Model B). It was removed prior to trading in the Model B at Watford...
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introduce yourself • Helloooo from Leeds
Hiya!So, I'm voorsk, or Graham if you prefer. Currently living under a pile of retro computers in Leeds. I'm 49, and my mid-life crisis is manifesting as buying computers from my childhood. I've...
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introduce yourself • Re: Helloooo from Leeds
Hi Graham,welcome to this great Forum... Greetings from my little Dutch Atomic Attic, Wim... Statistics: Posted by Multiwizard — Fri Mar 08, 2024 12:02 pm
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8-bit acorn hardware • Re: PiBridge 2.1-dev pushed to github
Hi ChrisI thought I would try and play with the new functionality, specifically around *FAST. I followed the instructions, and ran:Code: make setuid./econet-hpbridge --enable-syst-fastThe *BRIDGEUSER...
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8-bit acorn hardware • Re: Peartree MR3000 ROM Board (Issue 2)
FITTING INSTRUCTIONS FOR THE PEARTREE MR SERIES FOR THE BBC MODEL B1) Unplug your computer from the mains and all other equipment.2) Undo the four screws marked "FIX" (two underneath and two at the...
View Article8-bit acorn hardware • Re: Bluetooth on the BBC Micro
Effectively bluetooth just acts as a serial port with modem commands, where does it connect on to, and what does it emulate?Statistics: Posted by vexorg — Fri Mar 08, 2024 1:24 pm
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off-topic • Re: Programming a 2764K EPROM with TL86II
Thanks. I couldn't find the one in the link in Xgpro so I opted for my initial choice. I then selected "Prog" and Program in the dialog box. Unfortunately, all I then received was:Pins detected...
View Articlenew projects in development: games • Re: Ghostbusters (Activision)
Now with Lyrics.This version adds timed lyrics to the menu screen. The tune that I have doesn't actually include the bridge passage in the song so this isn't included. Press a key to move to the main...
View Article32-bit acorn hardware • Re: 4 Mbytes and overclocking for A3020/A4000
For main memory I ordered some 28ns chips. I think they should perform fine, but the second extra bank is the question. My A3020 has these SIP-to-28-pin converters, and what I checked, you can indeed...
View Articleacorn & bbc micro user group (abug) events • Re: BOOKING THREAD: ABUG...
All 3 days for me please.Thanls for oganising this.Statistics: Posted by IanS — Sat Mar 09, 2024 1:32 pm
View Article8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD
In theory, you could take the 6MHz from the NuLA to drive the SAA5050 directly from it and get rid of the resampling errors, I asked RobC about this ages ago and got no response. Maybe one day I dig a...
View Article8-bit acorn hardware • Re: Setting a real-time clock to centi-second accuracy
Ah, yes, 13 (four byte) additions, that's quite neat. Additions of the shifted value, so that's where you'd need the carry. Note that you can either shift the value each time, or shift the accumulated...
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8-bit acorn hardware • checking power supplies before use
Hi,I recovered 2 x BBC Micro B and one BBC Master from the attic space of a garage which haven't been used for years. I've cleaned them and next step is to power each up.I've attached pics of each...
View Article8-bit acorn hardware • Re: checking power supplies before use
You need to replace any of the golden Rifa capacitors (top picture bottom right for example) as they are certainly going to fail when you run the Beeb for some time. (with a lot of smoke and...
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8-bit acorn hardware • Re: GAL16V8 as stopgap for dead video ULA
I would try this diagram, but there is no jed file for the gal 20v8 system Added I have been experimenting with an extra 74LS74 as a 2 bit shift registers to delay the DISEN signal and got reasonable...
View Articlenew risc os games and conversions • Re: Archimedes Hypercube
Is there any possibility of posting Hypercube in a zip format? I can extract the 7z file on my PC, but all the filetypes for RISC OS are lost. On the other hand, it's easy to unpack zip files in RISC...
View Articlenew projects in development: games • Re: Meteors++ (Enhanced Acornsoft...
Always thought Meteors was a solid conversion for the Elk but your update takes it to another level - it's so much smoother and more playable now. Incredible achievement, thanks and well done!Thanks...
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32-bit acorn hardware • Re: Acorn RiscPC SA - Vertical Scanlines & Some...
Just want to follow-up to say I got the replacement motherboard in a few weeks ago and underwent a rebuild of the computer: about 90% of the podules listed in the OP post isn't installed currently in...
View Articleoff-topic • Re: Cheap little computer
im not sure if this is overclocked ? looking at the specs on the page shows cpu clock up to 133MHz and on-board DVI interface ?Code: Board specificationsRP2040-PiZero is a high-performance and...
View Article32-bit acorn hardware • Re: A3000 restoration possibility
Thanks Ian, will try that next time!Statistics: Posted by nicf82 — Mon Mar 11, 2024 11:25 am
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