8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD
Is the variance in the frequency of the 6MHz clock normal?Some jitter in the position of the edges is normal, due to the way the 6MHz clock is generated. The pattern should repeat over a period of...
View Article8-bit acorn hardware • Re: Raspberry Pi to 1MHz and Tube bus interfaces and...
I've actually supplied the Pi1MHz with various lengths of power cable over the years. What I currently supply is a 15cm cable.@!FOZ! - assuming you've got a shorter cable, I can possibly post out one...
View Articleacorn atom and acorn system series • Re: Atom Software Archive
Thanks for the welcomes.I don't feel happy adding an AtoMMC that has more power than the Atom itself. But who knows, maybe.I have the project for atm2wav and have built an exe. I couldn't find a...
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8-bit acorn hardware • Re: The New Plus 1 for the Electron Ready for Sale -...
If you purchase one of the first 20 units you will need to bevell your Electron's PCB edge connector(s) before use *MANDATORY* to prevent damage. There will be dire warnings on the case to the effect...
View Articleoff-topic • Re: Ever wondered what happens to Eneloops when they're...
Ouch! They're expensive beggars too.Statistics: Posted by spanners — Mon Feb 26, 2024 10:54 am
View Article8-bit acorn hardware • Re: GAL16V8 as stopgap for dead video ULA
A pdf of the schematic might help people without kicad (or who are currently phone-bound like me) to join in.This looks really interesting! It look to me like you are close! I can't remember the exact...
View Article8-bit acorn software: other • Re: PanOS software list
Out of sheer curiosity I went looking......and found that http://ftp.vim.org/pub/networking/kermit/c/ (in the Netherlands) still has the files.Site was a bit slow to start. You may have to fiddle in...
View Article8-bit acorn software: other • Re: Running binaries on a Communicator
I'm not clear whether the MAME emulation supports Econet, I will have to have a delve!Statistics: Posted by dominicbeesley — Tue Feb 27, 2024 8:51 am
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communications • Re: IEEE488 INTERFACE 02
A Master 128 has a number of banks of sideways RAM as standard. Well, unless the links (jumper shunts) inside have been moved to their alternate positions to enable the relevant internal ROM/EPROM...
View Article32-bit acorn software: classic games • Re: New: fully documented source code...
Regards running Lander quicker, provided you've fixed the STM^ bug if it exists, it should run on a modern machine (Pi etc) under ADFFS at 1000+fps.Thank you Jon! I'll be giving that a go. Lander...
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32-bit acorn hardware • Re: HD floppies on A3000/etc. (WDC 1772 overclocking)
Would you mind trying the AJAX chip in the A3000 on its own, without the mod board?I've just received two of these, from https://www.best-electronics-ca.com/ and they don't even work on their own, for...
View Articlenew projects in development: games • Re: Ghostbusters (Activision)
"GHOSTBUSTERS!"This version adds sampled sound for the SWRAM version. Only one sample in so far so you will get a "Ghostbusters" shout when you capture a ghost. The men dance speed is also increased...
View Article8-bit acorn hardware • Re: Beeb that likes a Ctrl Break or 100 before it boots
I'm prettt sure it does test cpu to ram. The moving screen patterns in hires mode are done by modifying the screen bytes. I think it ROLs and RORs the bytes IIRC. The cpu doesn't load program from ram...
View Article8-bit acorn software: other • Re: file won't run in ADFS
Ahaah! That makes a great deal of sense, except, as Beebmaster asks, why use &80 to &FE for the RLE for two bytes? Using &80 for 2, &81 for 3, etc. could be better.Statistics: Posted...
View Article32-bit acorn hardware • Re: A3000 restoration possibility
27C040 is a better part to look at.Found it, thanks!Statistics: Posted by nicf82 — Wed Feb 28, 2024 9:13 am
View Articlegeneral • Re: AGON LIGHTT- 'access denied' when saving BBC file
Discussion is likely on Discord, and thus completely hidden from the general internet. There's a link to a Discord invitation here: damn_pastor comments on Agon Discord. The main Agon dude seems to...
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8-bit acorn software: classic games • Free Repton badges
Hi, idesine (publishers of Acorn - A World in Pixels book) have a stash of the small 3cm Repton badges from Superior Software and shame for them to stay in a cupboard in their offices. They are happy...
View Articleother vintage hardware, software and languages • Re: RTC VT82887 Replacement
Bought a nwX287 https://github.com/necroware/nwX287 off eBay, and it works!It appears that DS12887a cannot replace a VIA VT82887. It always gives you a CMOS checksum error in my Soyo SY-5VA...
View Article8-bit acorn emulators • Re: Beeb emulator on Raspberry Pi
I have recently acquired a Pi 400 and have set up a RetroPie image on it. It curious that the emulation of the BBC Micro seems to be missing from most of these multi-emulator suites, including...
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new ideas wishlist & general chat • Re: More Boulder Dash!
It's been a good mental workout, that's for sure!Hopefully it can now find itself a home at www.bbcmicro.co.uk Statistics: Posted by Cybershark — Thu Feb 29, 2024 9:14 am
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