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Toastrack ULA QuestionDid any of the toastracks have the +128 grey ula with Amstrad printed on them?
Did any of the toastracks have the +128 grey ula with Amstrad printed on them? -
ULA type and datecode listHere is a list of all known ULA datecodes with type, collated from various threads and the serial numbers list. For the 6C series ULAs without a -5, …
... a list of all known ULA datecodes with type, collated from ... probably a replacement ULA.
[CODE]DATE ULA ISSUE(s)
Short Circuit Damage?Hey Spectrum fans, Currently trying to diagnose what is wrong with my 48K Issue 4B ZX Spectrum. The initial problem was the fact it would not boot -…
... message.
Testing the ULA in another Spectrum board showed ... the ULA worked fine.
I ... screen. Suddenly I could smell hot electronics, and touching one of ...ZX81 ULA questionRecently, I got a nice bundle of kit comprising of a ZX81, Memotech keyboard, PSU and brand new 16K Sinclair Memory pack. The ZX81 has a ULA with no…
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The ZX81 has a ULA with no ID other than ... /> Unfortunately all chips except the ULA are socketed.Hot plugable edge connector?Could the spectrum's edge connector have been made hot plugable without adding much to the manifacturing costs? I was thinking along the lines of a…
... edge connector have been made hot plugable without adding much to ...48k Spectrum ULA 6C001E-6 ChipAs title says, for sale: ULA 6C001E-6 Chip PM if interested.
As title says, for sale: ULA 6C001E-6 Chip
PM if interested.ULA queryDoes it matter which version ULA fits in a version of the spectrum motherboard, or are they are compatible with each other?
Does it matter which version ULA fits in a version of the spectrum motherboard, or are they are compatible with each other?Spectrum preservation/clean up questions.I’m sorting out my 5 Spectrums trying to make them look a bit better, and to package them up how they should be, and to get them to be reliable…
... to just chuck it in hot soapy water?
[3 ... ; SCART cables wear out the ULA?
[6] Feet, I ...Issue 3 ULA ProblemsI've been given an Issue 3 48k to fix. It was producing no video and no picture on the TV. The coil was buzzing so it was getting power and all the v…
... problem might be with the ULA.
Sure enough, ... it with a spare ULA from an Issue 4( ... I decided to swap the ULA again for one out of ... .
If the ULA is only partially working, and ... the wrong tree with the ULA because when dropping the ...Non-Ferranti ULA 6C001E-7?Hello! I don't like Iss2 boards that much but after revising one Speccy like that for a friend, the results were so positive that I decided to have …
... ever seen a 6C001E-7 ULA with no indication of "Ferranti ...ZX81 ULA Swap questionHi Can someone remind me if all three versions of the ZX81 ULA are electrically compatible? I just bought a ZX81 with an older ULA, so it lacks the …
... three versions of the ZX81 ULA are electrically compatible? I just ... a ZX81 with an older ULA, so it lacks the backporch ... happen to have a good ULA 2C210E. Can I simply swap ...Fully refurbished ZX Spectrum 48K boards incl. ULA- Including ULA (version that [URL="http://www.bytedelight.com/?p=41"]corresponds to the board issue[/URL] - click to find out more about ULA version…
- Including ULA (version that [URL="http://www. ... to find out more about ULA versions)
- All new electrolytic ...Ferranti ULA ULA5C112E-3 ICBeen clearing out some computer bits and I have a ULA (part number ULA5C112E-3, taken from an Issue 2 48K if I remember correctly and working when it…
... bits and I have a ULA (part number ULA5C112E-3, taken ...[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... to pixel accuracy in the ULA emulation.
Tape emulation ... /> Joysticks / Gamepad compatibility
Hot plug detection of gamepads and ...ULAAre ULA's (for Spectrum 48k's) interchangeable through the different issues? To give some background, to work out what was wrong with an old speccy I…
Are ULA's (for Spectrum 48k's) ... , I tried an issue 3 ula in an issue 2 board ... was done. The issue 3 ULA was then placed back in ...ULA 1E7 in 3B board?Hi all. Any comments on the following would be appreciated. I have an issue 4a and an issue 3b Spectrum. While having a look around inside the 3b …
... noticed it contains a 1E7 ULA. I then opened my ... it has the same model ULA.
Having read ... onwards which had the 7 ULA, whereas the 3b should ... me has just changed the ULA?
What's ... that I understand the 7 ULA may generate a clearer ...ULA Replacement??I searched, but maybe I just missed it. Has there (or is there) anyone working on a ULA replacement either as an FPGA or CPLD package? Or, perhap…
I searched, but maybe I just missed it.
Has there (or is there) anyone working on a ULA replacement either as an FPGA or CPLD package? Or, perhaps something else such as a microcontroller?
ThanksNo video from my Spectrum +3 hot chips!I still can't get to the bottom of my +3 giving no video. It powers up and both the power and disk drive lights are on solid. The disk drive won't ma…
... IC3 chips to be very hot. I'm not major technical ...Retroleum Nebula - A Spectrum ULA replacement moduleHey you guys.. Just wanted to mention a new Spectrum doobrie created by myself (Phil Ruston) and Alessandro Dorigatti: Namely, the Nebula - A Spec…
... , the Nebula - A Spectrum 48 ULA replacement module. You can read ... .uk/electronics-articles/nebula-spectrum-ula-chip-replacement-module/
ULA book:)
Cheers,
ZX Diagnostics v0.33 releasedHi everyone, I'm pleased to announce the release of v0.33 of zx-diagnostics. This release contains the following changes: - ULATest: Detect …
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- ULATest: Detect and show ULA type, and new TR6 check ... : New addressing test - check that ULA does not respond to OUT ... joysticks to select test card/ULA test as well as soak ... startup to inform user of hot keys controlling various options
Currah Microsource ULA & ROMI have a few original (over one hundred) brand new (1986) Microsource ULA's and ROMs in prefect condition. Is anyone interested? My user name may …
I have a few original (over one hundred) brand new (1986) Microsource ULA's and ROMs in prefect condition.
Is anyone interested?
My user name may help authenticate this post.Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…
... .zigg.net/
Nebula Spectrum ULA Chip replacement module from... http ... .uk/electronics-articles/nebula-spectrum-ula-chip-replacement-module/
Runs ...How to turn OFF the "ULA Plus"??Hi. We've made a platform-game for 128k. While testing it on 2 machines with ULA+ we have noticed the colours are crap. Can You suggest h…
Hi.
We've made a platform-game for 128k.
While testing it on 2 machines with ULA+ we have noticed the colours are crap.
Can You suggest how to turn off the ULA+ in the code?ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…
... the user activates ula+ feature (by opening the ula+ palette editor, ... /> When I now enter the ula+ palette editor...
[img ... with the new option "Deactivate ula+ palette". This switches back ... colours of the last selected ula+ palette unchanged. To reset ...128K + Toast Rack getting quite hot?Just wondering something if someone can put my mind at ease After using my 128k for around 10 minutes+ it seems to get quite warm around the heatsin…
... keyboard etc, just wondering how hot does it get which is ...No CLK on issue 2 ULA pin 32I'm trying to fix an issue 2. The symptoms are as follows:- Black and white bars on screen, colours near impossible to tune in, although these po…
... of CLK on the ULA, but the ULA's I'm using ... .
Working back from the ULA I tested and changes the ...ULA+Does the ULA+ have to be on before writing a palette? In the examples I've seen, they all enable the ULA+ before writing the palette. Maybe I sh…
Does the ULA+ have to be on before ... seen, they all enable the ULA+ before writing the palette.
ZX 81 / TIMEX TC1000 2C210E ULA'sHi, up for sale: 11x tested 2C210E ULA's, for the ZX Spectrum ZX81 or Timex TC1000. Asking price £29 shipping included to EUROPE, £33 for the …
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11x tested 2C210E ULA's, for the ZX Spectrum ...ZX Spectrum 48k ULAlooking for a ZX Spectrum 48k ULA Thanks Phil
looking for a ZX Spectrum 48k ULA
Thanks
Phil
