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First Contact - New Isometric GameIt was about time I did something software-wise! I took a bit of a break from writing the ULA book, and have come up with a new game. Work is very mu…
... a break from writing the ULA book, and have come up ... -
Subacuatic (ZX Spectrum 128k) - MojonTwinsFerdinand W. Templeton is the referential archeologist at the University of Michigan. His important discoveries in such exotic places as Egypt, Phili…
... takes advantage of the modified ULA present in the Harlequin clone ... load the game in a ULA-modified Harlequin (when this is ... -
Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …
... the socketed chips (except the ULA, CPU and ROM since they ... -
faulty zxspectrum +hi all i just bought a speccy 48k+ off ebay it worked for like 15 mins now it is stuck on the reset screen. I fear this is something major maybe fau…
... maybe faulty ram or the ULA. Does any1 have any ideas ... -
SPIN 0.7s uploaded; the crowd goes wild......with bug reports! Get it here: [url]http://sites.google.com/site/pauldunn/ZXSpin_07s.zip[/url] New in this version are RPI filters and Overlays …
... been enabled for ULA64 and ULA Ramping modes, but will be ... -
More colours in existing games?I have been trying to follow the various threads about the new ULA and more colours. I don't understand quiet a lot of it as back in the day all I di…
... various threads about the new ULA and more colours. I don ... able to buy this new ULA at some point and pop ... is an option for 'Enhanced ULA'. Does that make existing Speccy ... -
grey +2 with blue screenI've been checking through my collection of speccys and one of my grey +2's display white (bright 0) as cyan. Bright 1 white is correct and it does t…
... and the scart. Is the ula fooked? Or is it something ... -
Odd keyboard behaviour due to a single bit failure in +3 ROMI've just fixed a spanish +3, which, among normal issues (drive belt missing), presented a very strange one: the keyboard autorrepeated without a del…
... was possible. I suspected an ULA failure, which generated too many ... change anything.
No ULA issues, no keyboard membrane/matrix ... -
Sgt. Helmet Zero - The Mojon Twins (Spectrum 128k)Hi! this is our first christmas present! :lol: [size=150]Sgt. Helmet Zero[/size] [img]http://www.mojontwins.com/wp-content/uploads/2009/12/09.gif[/…
... takes advantage of the modified ULA present in the Harlequin clone ... load the game in a ULA-modified Harlequin (when this is ... -
Sinclair ZX 48K rubber keyed faultyI bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. …
I bought a faulty Sinclair ZX 48 K. Power on and the screen shows only 4 vertical white bars. Nothing other happend. I swapped the ULA and it is ok. PSU is already ok.
Any idea what's wrong?
Micky -
48k spectrum restarts by itselfFirst of all hello from a newb and thank you for your help. This site has already offered me a lot of insight. I have a 48k spectrum that will boot …
... removed ands re-seated my ULA a couple of times. It ... -
Cyberbig (Animagic S.A.)So, on dm_boozefreek's semi-recommendation (he's bored of it now) I've been playing [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0010481]Cyb…
... , and this is with standard ULA emulation.
So has ... -
flickering noisy screenI have just replaced the ram and ULA. The spectrum boots up OK but the screen is very noisy/wobbly/flickering really annoying :) I am wondering how …
... just replaced the ram and ULA. The spectrum boots up OK ... -
ULA Book Price - Feedback PLEASEThe book is coming together very nicely, and I am in the process of kicking off all the administration tasks like getting ISBN numbers and setting up…
The book is coming together very nicely, and I am in the process of kicking off all the administration tasks like getting ISBN numbers and setting up with the printers.
In order to do this, I need to set the price. The intention is to try and ... -
IF1 and 48k Capacitor QuestionsHi, I am not very knowedgeable about electronics but I am willing to give stuff a go.. I have a microdrive that is not performing and for various r…
... assume is leg1 of the ULA through to a leg on ... -
ZX Demos and the wow factorI remember reading a few comments in the past 3 years regarding demos. Some comments included how boring it was to see this or that effect again, how…
... good."? The DivIDE and the ULA+ are good examples of this ... -
Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…
Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that the video signal can go into Spectrum, ULA and then to standard RF socket? -
Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…
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I have replaced the ULA with a working one (same ... -
Have a real 48k Speccy? yes ? I need your help.Im looking to run this quick test on as many [COLOR="Red"](only)[/COLOR] 48k Spectrums as possible [B][COLOR="Red"]files moved[/COLOR][/B] [URL="ht…
... the board issue, the CPU, ULA you have inside please report ... ="red"]Zilog Z80A[/COLOR]
ULA: [COLOR="red"]6C001E-7[/COLOR ... -
Static vs stacked local variables in z88dkHello everyone. I'm doing a program for Spectrum 48KB with z88dk v1.8 (XX Mar 2008), and I eventually discovered that if your local variables in fun…
... address 32768, far from the ULA's hands, while the stack ... -
Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…
... TV out, nor Composite works. ULA fault ?
It seems TC ... -
Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... read IN 31 while the ULA is still drawing the upper ... -
Fixed schematic of zx128+2 (grey)This is new fixed schematic of ZX Spectrum 128+2 (grey model) [url]http://velesoft.speccy.cz/other/zx128plus2-iss3-schematic%28corrected_v01%29.png[/…
... and absent signal IORQGE in ULA part....
This is ... -
OMD at the Vintage Computing FestivalJust got this via Farcebook: (Also add to the list of speakers our very own [B]csmith[/B] on the Spectrum ULA) NEWS RELEASE A walk on the geek side …
Spectrum+ from ebayI recently received a Spectrum+ that I bought off ebay for about ?10 including postage. I have not tested it yet but had a quick look inside through …
... can remember. Spectrums were all ULA, transistor and RAM faults, or ...+3 FaultsI have some Spectrum +3s for testing - looks like they all need drive belts. One will not start up and shows a screen of yellowy green, then one of …
... . Ah I thought - maybe the ULA - the other +3's case ...Re-inventing the wheel......TROOPER: POINT 5 First an apology, my level design sucks (well I'm not happy with it) so Trooper is taking an age to do. Anyway this game comes …
... , I ws thinking of a ULA+ version but the loading screen ...
