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doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…
... useful.
I swapped ULA and the machine kept failing ... lower RAM is faulty, or bad ULA or bad IC3 ... guessing a bad ULA then? the other ULA i tested ... screen, So maybe both ULA are bad? Not sure ... culprit.
DiagROM ULA test gives no problem, but ... -
problem when game finished loading 128kI have this problem when some 128k games finishes loading. It just hangs, some time the screen gets corrupted, sometimes nothing happens. It looks …
... one or both offer a ULA test, I'd guess there ... lead) load one of the "faulty" games into your Mac/PC ... -
If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... have 2 Plus's, A faulty rubber key model I'm ... lower 16K memory is faulty and the ULA missing... And before you ... -
128K refurb.... What is the best way?Here's the latest Spectrum I got... Finally got a Toastrack... Not sure if it was good value ( around US$100 ). [img]https://os.blackice.com.au/us…
... ( new ) - 4 completely faulty, and 2 partially faulty... 6 dead chips out ... socket... Also have a spare ULA and MUX chip too now ... -
Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…
... modification was the first ULA design defect that was ... contention circuitry to override the faulty I/O contention circuitry. ... Yet another fault with the ULA design. Because the computers obviously ... incorporated into the larger 128K ULA, extra chips were used ... -
Faulty Keyboard membraneHello, My keyboard membrane of the 48K doesn'nt work anymore, Does anybody know how to get a new one ? Thanks, Eelko.
Hello,
My keyboard membrane of the 48K doesn'nt work anymore,
Does anybody know how to get a new one ?
Thanks,
Eelko. -
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 ... -
The name gameHere's one I remembered, seeing that post about hostages... Please help me find out what it is. I checked out, and it is not hostages. First of all …
... memory, but that has proven faulty, recently. :)
Can anyone ... -
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 ... -
Lords of Midnight - TZX problemHas anyone got a TZX of Lords of Midnight Side 2. The versions on WOS & TZX Vault are both faulty as Side 2 is actually the game Psytron and not LoM.…
Has anyone got a TZX of Lords of Midnight Side 2.
The versions on WOS & TZX Vault are both faulty as Side 2 is actually the game Psytron and not LoM.
Anyone? -
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 ... -
just got three 'faulty' speccys...off of eBay - and found they all work :) I was geared up with schematics and soldering irons as well, half hoping to have to get the 'scope and LA o…
off of eBay - and found they all work :)
I was geared up with schematics and soldering irons as well, half hoping to have to get the 'scope and LA on them - oh well, don't look a horse in the mouth I guess.
I registered awhile ... -
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 ... -
Faulty Athena.tzx?I've downloaded both (48 and 128) versions of Athena in tzx format from the archive. I've tried loading them in Fuse for OS X, but after the encrypti…
I've downloaded both (48 and 128) versions of Athena in tzx format from the archive. I've tried loading them in Fuse for OS X, but after the encryption beeps the Speccy crashes. Other games with the similar Speedlock protection work fine.
Is ... -
Faulty Spectrum?PLease can somebody help have just bought a ZX Spectrum 48K And the Hobbit game, i cannot get this game to load it crashes right at the end of the l…
PLease can somebody help
have just bought a ZX Spectrum 48K
And the Hobbit game,
i cannot get this game to load it crashes right at the end of the loading ,i have used 4 different tape recorders still with the same result,have tried ... -
Four 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 …
Okay, 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 board issue numbers are:
6A
3B
3A
2
They all have ... -
Last Ninja Remix (Dodgy Duplication Process) ?Hi folks, I've now tried TZXing 3 different sources of the said title. All fail on the last level at the same point. I'm wondering if anyone has co…
... fact the whole run is faulty ?
Some other tapes ... -
Crasched Spectrum+ 128, HELP!Hi! I recantly bought a Sinclair Spectrum+ 128 on a seconhand store. It shows random colour squares spread over the screen, mostly the upper part a…
... screen. Is this due to faulty rams or rom OR what ... -
Help, What's the gameHowdo, I've managed to recapture my youth with most of the games I had as a kid but I can't remember what two games where called; Can anyone help? Th…
... this might just be my faulty memory) You had to use ... -
Sound on Spectrum +2/a & 3Okay, so now I've got 2 +2's and a +3 and they all have absolutely the crappiest no existant, buzzy, sound on the planet. Surely they all cant be fau…
... /> Surely they all cant be faulty.
I just cant get ... -
Help with a faulty Spectrum +Just bought it on eBay ( [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=1247&item=2792353010"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll…
Just bought it on eBay ( [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=1247&item=2792353010"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=1247&item=2792353010[/url] )
actually, it was the Atari I ... -
Faulty Hardware, Fixers needed ! See link ;) Also Mylites2 for Mags[url="http://cgi6.ebay.co.uk/ws/eBayISAPI.dll?ViewListedItems&userid=cornishdavey&include=0&since=-1&sort=2&rows=200&rdir=0"]http://cgi6.ebay.co.uk/w…
[url="http://cgi6.ebay.co.uk/ws/eBayISAPI.dll?ViewListedItems&userid=cornishdavey&include=0&since=-1&sort=2&rows=200&rdir=0"]http://cgi6.ebay.co.uk/ws/eBayISAPI.dll?ViewListedItems&userid=cornishdavey&include=0&since=-1& ... -
Ecstasy & AgonyWhile checking out the area around Chennai Central station on Sunday, I came across this crowded narrow road taken up entirely by roadside vendors se…
... fried eh? Or perhaps the ULA? Somebody please tell me that ... were to replace the ROM/ULA and they would work I ... -
ANN: Spectaculator 6.2[NEW]: Spectaculator 6.2 Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emul…
Shameless auction plug - Four 48k Rubber Key Spectrums[url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8109893134&sspagename=STRK%3AMESE%3AIT&rd=1"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewIt…
... all be waiting for. Four faulty 48k Sinclair Spectrums. Don't ...Pentagon interface news from VELESOFTIt's from Xagon's board. It is about new interface for Speccy - it make Your comp compatible with Pentagon (and not only) and also it gives You up t…
Broken keyboard?Maybe long time ago discovered (o; Just found that if the keyboard isn't working anymore but the key foil itself is intact you need to cut of the 5 …
... after long time usage internal ULA pull-ups take over (o ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... * How long does the 48K ULA hold /INT low?
* ... this is generated by the ULA every 69888 tstates, which ... When an interrupt occurs, the ULA pulls the /INT pin ... routine finishes before the ULA has pulled /INT high ... finished just as the ULA pulled /INT low, ...