development tools • Re: Beta update for BeebAsm VSCode extension
I think I ended up with the JSON version as it had more features than the other alternative, but failed to get labels and label references fully working.Statistics: Posted by tricky — Sun Feb 04, 2024...
View Articleoff-topic • Re: EPROM Programmer
I use an XGecu TL866II Plus programmer in Linux. The software runs fine with wine. Even firmware updates run without problems. It's also possible to run the software in a virtualized Windows (XP)...
View Article8-bit acorn software: classic games • Re: Elite over Econet (BBC Master, 6502SP)
Here's a thought:Does it make a difference that Elite is on a different drive to the library and URD? On TNMoCs Filestore and MDFS, we log in as TNMOC, which lives on Disc1. Elite is on Disc2 on both...
View Article32-bit acorn software: RISC iX • Re: Hard disc image of RISCiX backup on...
26MHz was PGA, 30MHz/33MHz was QFP. Have you evidence for Acorn clocking the PGAs at 30MHz ?Well, only the reviews of the R260 in PCW and Byte mention 30MHz parts. Acorn's brochure doesn't commit to...
View Articleother vintage hardware, software and languages • LM1889N Composite Video?
HiAfter recapping my BBC B and Acorn A3000(usual battery damage) with help from Stardot, I have been trying to repair my childhood Videomaster Star Chess game.https://retroordenadoresorty-blogspot-c...
View Article8-bit acorn software: other • Re: Running a Program from ROM / Sideways Rom
I had a go, and yes it seems that all you need to do is:*LOAD TEST 1A00*SAVE TEST FF1A00 +19FFThen run RMCMND as usual and it works (takes quite a while though - I had to speed up BeebEm because I...
View Articleother vintage hardware, software and languages • Re: LM1889N Composite Video?
Would need the schematic circuit diagram, as there are a number of configurations for the LM1889N. It has different sections that can be used differently depending on the requirements.MarkStatistics:...
View Article8-bit acorn hardware • Re: A Useful BBC A/B DRAM layout reference.
Having said how useful this is, I /may/ have a correction to suggest. Are you sure the key for CAS0 and CAS1 is the correct way round?For example, have a look at this reference:...
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8-bit acorn hardware • Re: Dead BBC B - Blank Screen, constant Beeeeeee
Did you find the fault finding index?Yep - been through that in great detail! Unfortunately, it seems to be mostly around "here's my fault and this is what fixed it". When the fault is a common one...
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new projects in development: games • Re: Ghostbusters (Activision)
Looks really good Chris - I particularly like the scrolling on the SWRAM version I don't know if this is a bug, and I've not been able to recreate it, but I think one time the third Ghostbuster seemed...
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8-bit acorn software: games - high scores • Re: High Score Challenge - S22 -...
Finally a new high score - one word luck !Statistics: Posted by MatthewThompson — Mon Feb 05, 2024 6:12 pm
View Article8-bit acorn hardware • Re: Video ULA equivalent schematic?
A few years ago I implemented the Video ULA inside a CPLD. The VHDL is at https://github.com/jonsole/bbc-vidproc-cpld if it's of any use.Thanks Jon,I will try and comprehend the code, I have already...
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32-bit acorn hardware • Re: Should I replace this battery in my A3000?
The third one though is curious, and I’ve only ever seen two....Might that have been an "89" rather than an "80" moulding set? The export versions of the A3000 had different cases to meet the EMC regs...
View Article8-bit acorn hardware • Re: 128Kx8-bit DIP28 system ROM for the Master Compact
I see that logos can be hand made from the PC itself with ASCII escape codes (?)If it's not too hard I'll try to make an Olivetti Prodest logo, the one with the pyramid...Statistics: Posted by...
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acorn atom and acorn system series • Re: Atom Frozen /Break won’t reset Help
Sorry for the delay getting back.. what a great site this is.. on delving a lot more I found various pointers re: similar issues and thankfully this is now sorted. I still need to do sone thorough...
View Article8-bit acorn hardware • Re: Electron ULA Basic Board
I think Electron sound is just one bit? So you can probably just use a normal digital output and skip the DAC entirely.In my board I have an I2S DAC chip that's doing pretty much exactly the same as...
View Article32-bit acorn hardware • Re: ARM3+FPA upgrade + bonus optional features
Really nice work Ian!Statistics: Posted by rodders — Tue Feb 06, 2024 7:06 pm
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8-bit acorn software: games - high scores • Re: High Score Challenge - S22 -...
Statistics: Posted by klintworth — Tue Feb 06, 2024 7:25 pm
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off-topic • Re: Acorn Art Thread
Alan WattsStatistics: Posted by pixelblip — Wed Feb 07, 2024 7:25 pm
View Article8-bit acorn hardware • Re: BBC crashing randomly but works fine 30 minutes...
A while back I had to fix one which did this - turned out to be a sideways rom (eprom) which would only work when it was warm. So I warmed it up, copied it to another chip and replaced it, problem...
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