Included tags: bbc b ×
Excluded tags: None

Stopgap replacing Video ULA in BBC Micro

VCFed about 4 months ago

Hi, My video ULA recently died in the BBC B here, no clock signals whatsoever, tried it in another BBC and no startup either. I tried replacing it for testing with a GAL 16V8 generating the 4 clock signals(8/4/2/1 MHz), the CRT clock and the throughput/ …

8-bit acorn hardware • BBC B won't boot if it has a Basic ROM fitted

Stardot about 4 months ago

Hi all,This is a duplicated thread to a Facebook post so some folks have already assisted with getting this far.I have a BBC Issue 4 board. When I got it there was no life other than a continuous beep and no screen display. I suspect that the board has be …

8-bit acorn hardware • Vines Micro Replay ROM and ROM/RAM Boards

Stardot about 5 months ago

Hello,I was wondering did anyone was able to get a Vines Micro Replay ROM to work with any ROM/RAM board expansions on a BBC B, I have a Aries B12+B20 , in one BBC B machine,The Replay ROMS works with just the B20 Aries on its own, adding the B12 and movi …

introduce yourself • Hello from Reading!

Stardot about 5 months ago

Hi,My name is Craig, I thought I'd introduce myself to you all since I've been actively using this forum to get myself started with my latest retro collection addition! Pretty in to retro computers really, I support RMC, and have been trawling the youtub …

new ideas wishlist & general chat • Omega Probe by Mark Smiddy for the Electron

Stardot about 5 months ago

Playing the new flicker-free version of Snow Vaders gave me a thought.Snow Vaders was originally on Micro User 2.10 cassette. The disc version of this issue came with a free game - Omega Probe, by Mark Smiddy. The game Omega Probe was originally slated fo …

8-bit acorn hardware • 5.25" drive

Stardot about 6 months ago

It's been quite a while since I used this board - pleased to see that my account is still available!After having my old BBC B restored and spending a good bit of time playing through my old games on tape, I've been trying to get my old 5.25" disk games go …

8-bit acorn hardware • Why "This is not a language" but not "This is not a filing system"?

Stardot about 6 months ago

I've wondered this on and off, and decided to wonder again today.If a Master has its language configured to a ROM that isn't a language ROM, it gives the error "This is not a language" and goes to a supervisor prompt.But if a Master has a filing system co …

8-bit acorn hardware • Teletext Cheese Wedge Idea

Stardot about 6 months ago

Hi there. I run a specialist education provision that teaches youngsters STEM subjects using practical tech based projects. I am hopefully soon to take receipt of a BBC Master, Co Proc and a Teletext Adapter and have been planning. I am thinking of spendi …

8-bit acorn hardware • Emulated M3000 not working properly on Pi to 1MHz bus interface

Stardot about 6 months ago

Hi all,I've set up Pi to 1MHz bus interface, mainly for Music 5000 + Music 3000. I'm using a Pi 3B+ and one of th excellent Pi 1Mhz shifters from Ken Lowe.The M5000 works great with earlier versions of the Studio Software, where it's NOT looking for a M30 …

8-bit acorn hardware • Beeb SCSI on a Pi

Stardot about 6 months ago

Hi folks,I’ve just built up my pi scsi with Ken’s level shifter on my bbc b and installed the release uploaded to here……https://www.stard... ... 76#p395276It worked first time……but…..I was under the impression that files c …

introduce yourself • Hello from New Jersey

Stardot about 6 months ago

G'Day all!I'm brushing the dust off of my (well, my family's) BBC B and looking to re-connect my Microvitec Monitor and my 3" floppy drive – no, that's not a typo, my 3" floppy drive which I got from that computer place in Chapel Allerton in the 80's.It …

8-bit acorn hardware • V2.09 GXR ROM chip compatible with BBC B Micro?

Stardot about 6 months ago

I'm looking to source a graphics extension ROM (GXR) for my BBC B Micro and have sourced one on ebay. but it's version listed is 2.09 and the seller has is listing it as BBC B Micro compatible.I can see from this article on GITHUB however that suggests th …

8-bit acorn hardware • Can anyone help?

Stardot about 6 months ago

Hi, just purchased a BBC B on spec. The owner had bought it as having a faulty power supply and changed all the PSU caps but still faulty. Diagnotics:Powers up (power on the board), caps light on, no screen output (any output type) and continuous beep wh …

8-bit acorn emulators • B-Em Integra-B emulation

Stardot about 6 months ago

I'm having a problem getting b-em to emulate a BBC B with Integra-B. Selection these options from the Model menu for either the 1770 or 8271 disc interface just gives the BBC Micro prompt with Language? below it.I've tried nuking the installation and ./c …

introduce yourself • Hello from someone determined to get his head round 6502 assembler this time

Stardot about 6 months ago

Yeah, I always found it an inscrutable nightmare. However, I am determined to be able to write assembler more complicated than adding one number to another number and am resigned to the fact that I might die trying.While I'm not doing that, I'm having eno …

8-bit acorn hardware • HDMI on a BBC B

Stardot about 7 months ago

Can I combine the following two items to generate a nice HDMI signal?https://www.ebay.co.... ... p_homepagehttps://www.ebay.... ... R7CX5NH0YgI just wanted to check before spending cash on themStatistics: Posted by afere …

8-bit acorn hardware • Acorn 8 bit and BBC Micro Specific Test Equipment

Stardot about 7 months ago

This new topic has been split from the BBC ‘B’ System Test Program topic. MarkAcorn did actually have test boards/devices/systems. Have a read of this topic if you have not already seen it.Certainly, just by using a bunch of components and the user p …
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new projects in development: games • Space Probe : Simple Gravitational Force Simulation

Stardot about 7 months ago

Back in 1986 I coded a game for the ZX Spectrum that was published in Popular Computing Weekly. Remember that magazine, where you could type in Basic programs and perhaps get them to work?In this thread I'll be working on converting this to BBC Basic as p …

8-bit acorn hardware • PiTubedirect + 1MHz

Stardot about 7 months ago

HiI have some weird problems with my PiTube and 1MHz that I'm not able to sort. KenLowe has been very helpful getting this far. Now I can use them individually (more or less) but more about that later. One thing at a time.I have a BBC B Issue (standard se …

8-bit acorn hardware • ADFS ROM

Stardot about 7 months ago

Hello,Not easy to to be a NOOB, glad I'm on this forum for all help.I tried to read and search forum but cant understand what I'm doing wrong.I programmed a 27C128 with ADFS 1.3 but it doesn't show up when I reboot and can't use *ADFS either. If I plug in …
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the complete BBC games archive • Saving bbc ELITE gameplay on B2 emulator’

Stardot about 7 months ago

Im trying to save gameplay permanently to my linux pc ubuntu. Im using B2 bbc b emulator to play ELITE and want to save gameplay at space stations using “save commander” “load commander” function. It doesnt work and I have been using the B2 emulat …
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acorn atom and acorn system series • Case for bbc b / atom wifi.

Stardot about 7 months ago

Hallo. Richard webb ever made this case for the bbc wifi gadget. And now can i buy one and like the case. Is soneone got the stl file or make one?This nice lookin case Statistics: Posted by thedark — Sat Oct 28, 2023 10:16 pm — Replies 1 — Views 56 …

8-bit acorn hardware • The case of the missing 64k

Stardot about 7 months ago

Hi I wonder if anybody can help.I have (in theory) a BBC B 128k, but despite all my efforts it's only showing on boot-up as 64kI have checked the additional flying leads to the daughter board are correct and have continuity, I have used an oscilloscope to …
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8-bit acorn hardware • All dead RAM

Stardot about 8 months ago

Has anyone found a BBC B with all its RAM dead? I've been working on a particularly bad Issue 7. It took a lot of work to get the RAS and CAS working along with the address buffers not all being on at once etc. I can see the address bus reaching the RAM …