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Need help identifying this hardware[url]http://cgi.ebay.com/5-Timex-Sinclair-computers-hardware-software-magazin_W0QQitemZ280375442057QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item414…
... ]http://cgi.ebay.com/5-Timex-Sinclair-computers-hardware-software-magazin_W0QQitemZ280375442057QQcmdZViewItemQQptZLH_DefaultDomain_0 ... , one of the pioneers of Timex Sinclair fanzines here in the ... -
Rainbow ZX Spectrum Emulator for TS2068Hi, See the photos attached. I recently got this through a guy on Ebay I mailed. It's a ZX Spectrum emulator addon for the Timex Sinclair 2068. I ca…
... Spectrum emulator addon for the Timex Sinclair 2068. I can't ... -
2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…
... an FPGA instead of an ULA, so you can make it ... -
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... various components such as modualtor, ULA, Z80, memory etc.
... [CODE]Serial : [xxxxxxxxxxxx] [ colour ]
ULA : [5C012E 5C112E 6C001E-6 6C001E ... Serial : 001-62176 white
ULA : 5C102E 8217
CPU : ... -
Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…
... true Z80 and a true ULA, and at most, 48K RAM ... -
General question about electronics I guess... (128k +2a)[Short question] When I very slightly put my finger on top IC15 on my +2A the TV picture becomes crazy and the spectrum acts if it just resets I don…
... is great, ROMS are great, ULA must be good due to ... -
RGB to VGA convertor for ZX (clones)[img]http://s44.radikal.ru/i106/0908/1a/28c90d0ca25b.jpg[/img] [img]http://s15.radikal.ru/i188/0908/f2/c1d66b5f6d4f.jpg[/img] It's GOOGLE translatio…
... ,HSYNC,VSYNC,+5V,GND,14MHz (ula clock). Output is VGA 50 ... or CSYNC only)
- faster ULA clock than 14MHz (ZX128 use ... calculate pixel clock from original ula clock):
[img]http://velesoft ... -
Specdrum SyncroI'm having trouble syncing my (revision 4b)48k specdrum. The sync pulses sent out of the MIC socket are low, barely +50db, and isn't powerful enough…
... />
Anyway, is this a ULA problem, if I change the ... to pin 28 of the ULA will I get better performance ... -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... . Power is 100% ok. Swapped ULA, Z80 and ROM for 100 ... -
To USA-based guys - a question about hardware.Hi! My friend from US asks what is required for US-based people to start an adventure with ZX Spectrum. I mean such difficulties like PAL/NTSC thi…
... it so I said that Timex Sinclair 2068 will not be ... -
Horror repair story...Today the (new) +3 had a strange issue: keys 6,y,h,n and 8,i,k were not working. Also, the internal drive sometimes was not 'visible' from the Loader…
... was near that spot... the ULA!!
I took my 15x ... inspecting the pins of the ULA...
I really freaked ... of one side of the ULA were
loose... WTF! I ... *ck these pins of the ULA were auto-de-soldered ??
Repair options for my own dear old Spectrum 48k?Hello all, This is my first post to this wonderful forum, which is part of a truly great website! My name is Arnold, and I live in Utrecht, The Nethe…
... in a working Spectrum). The ULA gets quite hot in the ...Some ever noticed that +2A/+3 halts Z80 using WAIT?I mean: Anyone ever noticed that the +2A/+3 halts the Z80 using WAIT? All documentation I've read about contention state that the ULA halts the Z80 …
... contention state that the ULA halts the Z80 by ... with the surface mount ULA) uses WAIT to halt ... period, the time that ULA is reading video data. ... 8MHz signal generated by the ULA for the TEA2000. Should ... , internal timmings at the ULA, which is the responsible ...Filesixty keyboard for the ZX81Looking for the Filesixty 'stick on' keyboard that was available for the ZX81/Timex 1000. If anyone has one in decent condition (ie without the tex…
... was available for the ZX81/Timex 1000.
If anyone ...DidntXSpectrumoh yes i just found this emulator for the Xbox 1 and boy is it good. It has loads of options loads almost any format going and fairplay is very close…
... , Kempston, Sinclair 1, Sinclair 2, Timex 1, Timex 2
Joystick ... , Kempston, Sinclair 1, Sinclair 2, Timex 1, Timex 2
Joystick ... , Kempston, Sinclair 1, Sinclair 2, Timex 1, Timex 2
SLT ...An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…
... speed and the way the ULA works, there are a couple ...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 ...I need help to remeber a gameHello I’m tring to find a old game I used to play. However I don’t remember the name of it. I do remebmer it was a word game where you …
... way home.
FOR THE TIMEX 1000
Does this ...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 ...Looking for contact!Hi all, Back in 1998 I sold most of my Spectrum gear........I traced the add in comp.sys.sinclair and it's quoted below. I think I sold it to JAMES …
... schematic diagram (as obtained from TIMEX,
Scotland)
Books ...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 ...
