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8-bit acorn hardware • Re: BBC Model C20K - a new "Beeb"
I've made some progress:- multiplexer controller first cut vhdl written and partially simulated- memory chip fitted and tested in both BeebFPGA and minimal Blitter firmwares- some multiplexer chips...
View Article8-bit acorn hardware • Re: TangNano20K Dock for Acorn FPGA Projects
That is very nice, and would solve the problem of playing Revs on the TV perfectly.I only have BBC Joysticks and a BitStick though. Are there enough free FPGA resources to change the joystick/config...
View Article8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD
The 74VHC245 should be OK, it can work at 5v and it is faster than the original 74HC245 but I haven't tried that version with the Amiga.I may have a few Amiga boards left with the 74HC245 already...
View Articleprogramming • Split Screen Modes Help
Hi everyone!I'm Working on a game project right now and for memory saving reasons it'd be super helpful to switch to a lower cost screen mode for the HUD. My game already makes use of interrupts and...
View Articlearchive submissions • Re: ARM Norcroft C Compiler
i didn't manage to mount any of the images on linux, but https://github.com/SteveFosdick/AcornFsUtils worked. (i couldn't get afstree to work, but Code: afscp -r NorcroftC.ADF:ARM did the...
View Article8-bit acorn hardware • Re: Beeb in a suitcase
Not a Beeb, but this is quite a unique system from what I can tell:FUJIFILM - 20071021-145044.jpgHas a ZX Spectrum, Interface 1, microdrive (with provision for a second to be fitted), alphacom printer...
View Articleprogramming • Re: Split Screen Modes Help
Some more info on NOP slides / Clock slides here as well: https://www.stardot.org.uk/forums/viewtopic.php?t=17465 (My God ... 6 years ago, time flies!)If you want to get this working, unfortunately...
View Article8-bit acorn hardware • Re: BBC Model C20K - a new "Beeb"
I've not done a lot today other than solder on the ws2812b leds. I ended up using low temperature Sn/Bi solder and still ended up slightly melting one of the LEDs with the hot air gun.I decided to use...
View Articleother events + general event chat • Re: Hugo Tyson at ROUGOL, Mon 16th June 2025
Hugo has sent me more details of what he's going to cover (and an impressive set of slides!):- What it was like in the early days of Acorn- Building, programming and tech support of the Atom- BBCs...
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acorn atom and acorn system series • Re: FPGAtom SAM
I'm wondering which of the Atom2K18 feature's it's worth including (and possibly pushing into the shared AtomFPGA_core module):- PAM- SAM- Palette- RTC- LEDs- ProfilingWhat's your opinion of the PAM /...
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general • CRT Monitor/TV Repair (Microvitec Cub 853 & 653; Ferguson MC01)
Hello!Is anyone local to Bishop’s Stortford and surrounding areas (Hertfordshire, Essex, Cambridgeshire, Suffolk, Bedfordshire, North London) that could refurbish a Microvitec Cub 853 and possibly a...
View Article8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD
If you have a board, how much would you need to ship one to NZ please?I have found some Amiga boards and have sent you a PM.Statistics: Posted by IanB — Sun Jun 15, 2025 4:28 am
View Articlenew projects in development: games • Re: Probable 3D Maze Game/Epsilon Protocol
Carrying on from the previous post I have been experimenting with the speeds and didn't like the feel of the inverted controls so they are staying as they were previously. I have however increased the...
View Articleother vintage hardware, software and languages • Re: Dragon 32 video issues
Punctuation would help. Do you have a circuit diagram?What tools do you have for debugging?Statistics: Posted by vexorg — Sun Jun 15, 2025 10:49 pm
View Articleprogramming • Re: Disassemblies of BBC Micro Games
Level 7 has disassembled Future Shock (1986) by Jason Sobell and Kevin Blake, published by Tynesoft.http://level7.org.uk/miscellany/future- ... sembly.txtStatistics: Posted by TobyLobster — Sun Jun...
View Article32-bit acorn hardware • Re: Risc PC failing to start
Sadly above my current level of experience! Do I Stick multimeter pins into the holes in the plastic caps?Statistics: Posted by MJY — Sun Jun 15, 2025 11:11 pm
View Article8-bit acorn hardware • Re: BBC Model C20K - a new "Beeb"
Thanks for the detailed response. This certainly shouldn't go off-topic. I'm just stoked to see this project though. I do think the design might have to go Beeb-like and have the main board flat and...
View Article8-bit acorn hardware • Re: Replacement Serial ULA module for the BBC Micro
I'm wondering if this ready to be manufactured now?Statistics: Posted by maniacminer — Mon Jun 16, 2025 1:47 am
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off-topic • MacBook Pro 13” delaminated screen fix
I recently got donated a late 2013 macbook pro 13” as it was being replaced with a shiny new one and I figured I could find a use for it. The screen was quite badly delaminated as is apparently common...
View Article32-bit acorn hardware • Re: Dead RiscPC #4 - resistors in VIDC20 control...
Probably the final update on this board - after much searching, I realised that I hadn't in fact mislaid a StrongArm card. This is because it was installed in another machine and I'd miscounted how...
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