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ZX Spectrum 48K it only shows colored barsHello, I'm new to the forum and I need help with a ZX Spectrum 48K which I bought recently unfortunately defective. I want to mention that before t…
... forgot to mention, regarding the replacement TRs .. in TR4 (ZTX650), can ... a lot of work. The ULA will also run warm. As ... never as hot as the ULA).
The ZTX651 is ... is the case, then any replacement transistor will then also run ... -
In-game Screen FlickeringHi folks, today while playing 'Beyond the Ice Palace' I noticed strange behavior of my Issue 6a Spectrum+. When I pressed '2' (for UP) + 'O' (for …
... I also had to swap ULA (the one in Issue 2 ... ://www.ebay.co.uk/itm/Replacement-ZX-Spectrum-48k-128k-Toastrack ... /Sinclair-ZX-Spectrum-48K-128K-replacement-Keyboard-Membrane-Made-in-2016 ... -
Divide HELP!Can someone help me out here? In order to get the latest and best version I'd need these. The Divide itself for ?40: [url]http://www.sellmyretro.co…
... best GAL chip (it's replacement of R-GAL and is ... it is compatible with RTC MODULE v.03 ? -
Broken Issue 2 - likely culpritsI've just got hold of an issue 2 spectrum with an interesting layout (heatsink is vertical and goes down to the speaker, some variable resistors and …
... before) swapped out the ULA for a known working one ... were secondary issues and the replacement ULA now makes it work fine ... .
The original ULA isn't totally dead, it ... /> Unfortunately the replacement I used isn't a spare ULA (begrudgingly pulled ... -
Whats the name of the chip that replaces the ULA?I can't find it through searching using the above title. I distinctly remember reading about a new type of programmable chip that can be set to behav…
... 'drop in plug and play' replacement though given the "package" is ... a FPGA is digital, while ULA had some analog circuit inside ... was a drop in replacement for an ULA, but it contained a ... emulate those found inside an ULA. -
Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... the broken track was, a replacement ram ic had been fitted ... smart card diagnostics. However after replacement, I still had the same ... found a fault with the ULA. No sound it's totally ... fine. It that common on ULA's? I will post some ... -
Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to replace TR4 and …
... sent you images taken with replacement ULA that I got from Retroleum ... , just for comparison with original ULA.
Have fun with ... -
MB03 UltimateDear ZX friends, you may have heard of MB-02+, probably the best disk interface for ZX Spectrum, originated back in the 90's. Although not much sp…
... for microSD cards
• WiFi module- type ESP 8266
• two ... and test your Spectrum, memory ULA timing, etc.
Work ... -
Finding a good (UK) external switch mode power supply for the basic 48k and 128k ZX SpectrumsThis idea has probably "done the rounds" by now . I think I have heard about it a bit late . This thread with look at replacing the original "heavy l…
... EU1400 1.4A units, a replacement 4700uF 25V 125°C capacitor ... converter).
The new / replacement SMPSUs are not immune from ... modern mini DC/DC converter module. Doing this significantly improves the ... -
Who Are The Best UK Based "Useful" Speccy Add-on Kit Providers. This is all about useful add-on kit or associated Speccy paraphernalia . Who are the Best and who are the Rest (Les Autres) I will kick it off w…
... to COVID19).
Charlie makes replacement ULA modules, his website is [url ... .co.uk"]retroleum[/url] sells replacement ULA modules and the SMART Card ... -
Repairs and Reparing.Hi All, Just finished resurrecting an Issue 3A board. Had black lines, so replaced the lower 16K RAM chips, Amazed they just cost a couple of doll…
... DRAM chips.
The ULA, Z80A, Mask ROM, and the ... . These, like the ULA are long obsolete. But replacement modules are available ... -
More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…
... was much closer to the ULA in function than a modern ... macrocells are compared to a ULA, but they seem close enough ... I can't make a ULA.
I've found ... multiprocessor add on or a replacement later. I'm even envisioning ... -
Replacement Modulator for a issue 4 board Spectrum+???Anyone know where I may procure such a thing??? The one in my current machine starts up with the picture tearing and fading (As if the composite sig…
Anyone know where I may procure such a thing???
The one in my current machine starts up with the picture tearing and fading (As if the composite signal is being mixed just out of freq) then gets better with warming up (Approx 5 mins)
SPIN Public Beta 0.1b Available for downloadHi all, back again, and as just recently announced on CSS, SPIN has been updated. Here's the post to CSS (or the relevant parts): It's been a bu…
... and drop support.
Added ULA Snow effect, and Floating bus ...ZX Spectrum Community ContributionThere is a new interface named MB03 under development(IDE,Flashcard reader,2MB RAM,etc).You can see it on Sintech website. The price of this interfa…
... a integrated circuit (such as ULA). But to invent such an ...Spectrum+ keyboard problemHello all! I was wondering if someone here could give me some hints with my Speccy+. The problem is that I replaced the motherboard of my Spectrum+ …
... motherboard could need a resistor replacement. Does anyone have any knowloedge ...Buzz TrackerI thought some of you more musically inclinded specchums may be interested in a program called Buzz tracker: [url="http://www.buzzmachines.com/"]http…
... (a machine is basically a module in the program which generates ...ZX Spin 0.4 available for Download.Standard Cut-n-Paste from the CSS post: If all goes well, I'll upload it to WOS on monday. ----------------------------------------- Okay, it's th…
... .
Fixed a bug with ULA Snow and a reset - also ...has anyone converted an early speccy to drive a monitor ?sorry if this is the wrong forum, but there doesn't seem to be a hardware one, per se. I've been looking through the schematics a bit today - it see…
... the main restriction is the ULA - if one from a 128 ...drive belt for +3 - what can I useHi Anyone know what I can use as a replacement belt for the +3 disk drive? Is it a standard size? Thanks
Hi
Anyone know what I can use as a replacement
belt for the +3 disk drive?
Is it a standard size?
Thanksspectrum polyHi im looking for a replacement poly for my spectrum 48k , unlike my spectrum and box which has only a small fault after 15 years in the loft , alas…
Hi im looking for a replacement poly for my spectrum 48k , unlike my spectrum and box which has only a small fault after 15 years in the loft , alas the poly didnt make it ,
so if any of you chaps have a spare one by chance please let me knowFour faulty 48k Rubber Keyed Spectrums for SaleOkay, I've finally dug them out and decided to offer them on here, as when I mentioned them once before some people showed an interest. The circuit …
... mostly missing, and some have replacement screws in the bottom. The ...NEW INTERFACE FOR ZX SPECTRUM!!Hi all zx-maniax! Here is a letter from Polish inventor, Yarek Adamski. He constructed a new brilliant interface for ZX SPECTRUM. Ready carrefuly i…
... PC mouse connected to this module (I know, I have
module ([url]http://www.embeddedethernet.com ...Problems with Spin 0.41Whenever I run it, I get an error message saying: Access violation at address 0047CA59 in module 'ZXSPIN.EXE'. Read of address 015F907C. I click on…
... violation at address 0047CA59 in module 'ZXSPIN.EXE'. Read of address ... violation at address 0047CA59 in module 'ZXSPIN.EXE'. Read of address ...SevenuP and fontsIs it possible to use SevenuP to create replacement Spectrum fonts? If not, can anyone suggest a windows-based Speccy font editor? I've got plenty fo…
Is it possible to use SevenuP to create replacement Spectrum fonts? If not, can anyone suggest a windows-based Speccy font editor? I've got plenty for the Spectrum, but I was hoping for something a bit more point n' clicky. :)Deduggers in emulatorsI've used several emulators with build-in debuggers, and now I want to share my opinion. Debugger in Spectaculator 6.0 is great! The interface is nic…
... " function is not a good replacement for breakpoint, but still fine ...
