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8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD

I think it might be possible to attach a digital RGBtoHDMI to the Spectrum bus in a similar way to the ZX-HD with appropriate driver software and CPLD firmware but it's not something I've looked at...

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8-bit acorn hardware • Re: Cumana dual drive issues.

The resistor pack is used for providing a termination of the signal lines. It also pulls the signal lines to +5V (the inactive state if the line is not being driven).The resistor pack should only be...

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32-bit acorn hardware • Re: Fitting an Atomwide 4-8MB RAM Upgrade to an A5000...

Assuming you are using the usual pinout DRAM chips, you can't split the databus like that. D0-7 needs to be on one side of the chip associated with CAS 0, (D8-D15 with CAS1 etc.)Statistics: Posted by...

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the complete BBC games archive • Re: New: Improved search on the Complete BBC...

Does your menu system only produce MMB files for SD cards, or can it produce DSDs as well? If the latter, then that’s pretty much what Daniel is asking for… it’s not online, obviously, but it’s close...

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Econet in all its guises • E01S HDD error codes

I'm trying to get my E60Ss working with the now-restored E01S.Running the Dealer Test Disk on the Master, I can't select any of the SCSI drives. I get errors in reading drive shape...With one of the...

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8-bit acorn hardware • Converting BBC B and BBC Master to operating on 115...

I need to know if it is possible to easily modify the power supply for the BEEB B and Master for use in the US.I know the BBC B has a link, but I have no way of checking if it would work and never...

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8-bit acorn hardware • Re: SD Cards and the 1MHz interface

Update:I now have my 8GB (micro) SD Cards working for my Domesday SCSI interface. I had to Full Format the card - but not with Windows full format! Instead with the 'official' SD Card formatter....

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8-bit acorn hardware • Re: Converting BBC B and BBC Master to operating on...

There are existing topics where this is discussed.Here's one topic.MarkStatistics: Posted by 1024MAK — Mon Dec 16, 2024 6:40 pm

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new projects in development: games • Re: Porting of my game GENIUS to BBC...

Hi!I'm progressing in the port of my game.I'm having strange behaviours by the way and I'm a bit stuck I have to say...To avoid flickering, I've synched my double buffering page1/2 activation for...

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programming • Re: Disassemblies of BBC Micro Games

I've tried to have a go at extracting the machine code from the magazine listing Wizard's Castle (here) - I've had an interest in this game (see this post) for a while.I decided to have a go at...

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8-bit acorn hardware • Re: Storage box?

This got me thinking about decent storage for my Beebs and I went for Reallyusefulboxes 24.5l size at 600 x 400 x 155mm so a great fit and space for a floppy drive on top.Not the cheapest but very...

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general • Re: Interesting YouTube videos

It's a little grating that during the discussion on Arc games in this video, it spends most of the time lingering on some rather unexciting plodding gameplay of Conqueror.Indeed. I guess there was a...

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8-bit acorn emulators • Re: Input lag of different emulators / implementations

As little as it contributes: Clock Signal — which emulates the Electron and the Archimedes — has a similar scheme to the above, although it used to be more similar and it isn't universally...

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8-bit acorn hardware • BBC Master 128, No Floppy activity

Hi folks I've got a Master with somethig odd on the Floppy controllerWhen asking for a *CAT etc the floppy motor doesnt spin upI've confirmed this by monitoring the MOTOR ON pin (20) on the 1770 IC...

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8-bit acorn hardware • Re: BBC Master 128, No Floppy activity

/RST comes from IC4 which in turn is under software control.Is the system configured to use floppies and is the DFS or ADFS ROM active?Are IC4 outputs following the data that is written to it? Is it's...

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8-bit acorn hardware • Re: Converting BBC B and BBC Master to operating on...

I've heard about replacement power supplies that run over USB C.I know you don't get an auxiliary power port but not sure if it can power other options such as RAM boards.They're not really a PSU -...

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8-bit acorn software: other • Re: A new MENU system for MMC/Gotek

I didn't even know they had added an annoying popup. Google wouldn't let me upload a 2.8MB file to my Google drive earlier, saying I only had 300MB free!Statistics: Posted by tricky — Wed Dec 18, 2024...

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programming • Re: Hardware scroll + fixed status area

I think Kieran has some links with his ABUG videos, but if not, I expect they will be on the bitshifters sight. I can't remember if it has vertical rupture or just crtc and interrupts.Statistics:...

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programming • Re: Question about extracting disc catalogue info

I suspect it is because double height lines are only broadcast once so the second line always contains the same data as the first meaning that the single height bit would just be duplicated.I've known...

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programming • Re: Hardware scrolling on the BBC

It will spring back and overshoot when you set it back to 0, or did when Gil and I tried it in the 80s when trying to copy fire track scrolling before I found out that he was reducing the height of...

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