32-bit acorn hardware • Re: Question about MEMC translation tables reprogramming
Does anyone know how to get these Karl Morton demos running on RISC OS 3.11? I have three demos by him - CopperSine, KARLDemo1, and KarlDemo2. The first and last demos complain about needing 480K...
View Article32-bit acorn hardware • Re: Suitable display/convertor for A5000
The Dell SE2722H (but not the smaller 24" or 22") looks to be another alternative:viewtopic.php?p=412703#p412703Statistics: Posted by KenLowe — Fri Jan 19, 2024 12:46 am
View Article32-bit acorn hardware • Re: New A3000 Restoration Upgrade Progress
Thanks, yes I was able to find them over the weekend and I agree, that part is very similar (the latch ramp is slightly different, but I believe the original part Acorn used was discontinued, but...
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miscellaneous new bbc and electron games • Re: Repton 3 Redux Special Edition
One bit of feedback / comment. The monsters can now no longer inhabit the same space, which makes a couple of levels (most notably Egypt G and OAP G) harder to complete. Harder, but not, as it turns...
View Article8-bit acorn hardware • Re: How difficult is recapping a Beeb power supply?
Also in the meantime got better gel flux for SMT workNot sure if you're referring to ChipQuik, but that stuff is brilliant for SMT work.Like Gelpak, I now use unleaded by default and leaded only when...
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8-bit acorn hardware • Re: Who else is building a Beeb from scratch?
Stuffing A into two more boards Statistics: Posted by maniacminer — Sat Jan 20, 2024 1:03 am
View Articleintroduce yourself • Re: Hello from Basingstoke!
Welcome, have you seen the replacement turtle that is being done by the guy behind the Domesday duplicater amongst other open hardware projects?Sorry, I'm terrible with names!I know who you mean and...
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8-bit acorn hardware • Re: Master Battery
There's a write-up of the RTC battery function in the Service Manual. Reading that makes me wonder if machines were made with the wrong parts and thus charged a non-rechargeable battery?Statistics:...
View Article8-bit acorn hardware • Re: Raspberry Pi inside BBC Master (not a second...
It would be straightforward to convert a BBC Micro keyboard to USB using STM32 or a PiPico. A few years back it was done using an Arduino https://ma.ax/keyboard/arduino/projects ......
View Article8-bit acorn hardware • Re: Xilinx CPLDs are to be axed by AMD
I use a Tomlov DM602 for most of my microscopy including PCB rework. It works well, but of course isn't stereoscopic, so I do have to tilt parts to ensure correct soldering. A review of it is here...
View Article8-bit acorn hardware • Re: "A very nice, compact SWRAM/Flash board"
I just received the NOR Flash and the sockets. Now waiting for the RAM and PCBs. The 74 logic I have plenty in my stash. I'll update again when everything has arrived.Statistics: Posted by maniacminer...
View Article8-bit acorn hardware • Re: Are you interested in retroclinic's SuperCo board?
Would anyone consider parting with their original SuperCo board please?Many thanksStatistics: Posted by jbredcar — Sat Jan 20, 2024 10:20 pm
View Article8-bit acorn hardware • Re: Connecting 2 RGB monitors to a single BBC
A quick update on where I've got to with this: the splitter box works, and so far I have made one circa 10 m long cable, which also works!The picture on the monitor at the end of the 10m cable is a...
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32-bit acorn hardware • Re: A5000 boot issue
The board arrived with me. POSTbox output showed occasional SIRQ fails (with timer value, so some SIRQ was just slow sometimes) as well as the VIRQ fail (always FFFF, so 2nd never happend). Board in...
View Article32-bit acorn hardware • Re: FPGA upgrade / replacement for ARM3 / FPU
That's a much more complex prospect though, as you are then needing to recreate the entire hardware (presumably in Verilog), not just CPU / FPU. Initially I thought it would be mainly interesting for...
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8-bit acorn software: classic games • Re: Clogger (can't complete level 2 of...
Done it!(Actually found Level 1 more taxing)Yes, the fault, as had been variously established, was in the original version of the game.The ProAction version changed one thing in level 2, making it...
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8-bit acorn emulators • Sound Hardware Questions
A few questions about BBC Micro sound hardware. Firstly the sound output. Looking at this part of the circuit diagram:There is 8 KHz marked on the left hand op-amp - am I right in thinking this is a...
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other events + general event chat • Re: RISC OS South West Show 2024 24th...
it would be also great to know the cost for a table, as i am 15 and have a tiny budgetYou can email the organiser (richard at riscosdev.com) to see what deal can be done, as I'm sure they'll be very...
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new projects and releases: text and graphic adventures • Re: The Lords of...
The Lords of Midnight is my all time favourite game from my childhood (I played it on the zx spectrum), so I love the idea of this project.I think you have the right idea about finding commonalities...
View Article32-bit acorn hardware • Re: A4 econet - opensource project
I know some people won't like thisit would be poor to "have" to have your hub and connect the A4 directly to your hub.Let's be clear on this. Nobody would be forced into going with the hub. Put...
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