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Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…
... this is due to different ULA in TC or other elements ... -
Strange and faulty toastrackI just got hold of a toastrack, which is kind of strange. First of all, when I opened it, I spotted a socketed ULA and ROM, which is good, however, t…
... it, I spotted a socketed ULA and ROM, which is good ... -
Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…
... be getting hot except the ULA and to a slight degree ... to try replacing the (socketed) ULA, is this correct (given the ... -
Homebrew Microcomputer design...getting ICs and stuffFor anyone interest in homebrew microcomputer design or just making add-ons and electronics gizmo's..this might be of interest. Sourcing affordable …
... be used to create a ULA and Glue logic. A ZX ... Spectrums ULA fits into 144 Macrocells or ... to pop an enhanced Spectrum ULA onto an EPM7160 /EPM192 / EPM256 ... -
Image2ULAplus v 1.2 released todayDear readers, if you are a fan of the amazing ULA+ and HAM256 stuff, you are right here: As Andrew Owen has developed a method of displaying HAM256…
... a fan of the amazing ULA+ and HAM256 stuff, you are ... of Edward Cree's wonderful ULA+ renderer SCRPlus.
HAM8x1 ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... diagnosis:
1. The ULA is good, since I have ... -
Another Grey +2 problemGot another grey in, weird problems, works pretty much fine until things are attached to the edge connector. So far this is what has been tried; [L…
... any difference, also tried another ULA to no effect. Memory checks ... -
ZX Interface 1 Odd ProblemI have just upgraded a rubber key ZX Spectrum (issue 3) to a ZX Spectrum+. Oddly, when used with a ZX Interface 1, CAT 1 produces a question mark. T…
... issue with the ZX Interface ULA / ROM.
However, I ... -
Issue 4A issuesHi all, I've been trying to get the Issue 4A board that came DOA with the case I purchased for my Frankenspectrum to work. I've recapped and socket…
... the same result, and the ULA works fine in my Issue ... -
Repairing a torn trace on an Issue 2 PCBI've found what I think could be the reason for my Issue 2 board not working properly... There is a torn PCB trace beneath one end of where a new ULA…
... end of where a new ULA was inserted into the board ... a previous owner replaced at ULA (it was not an original ... -
Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…
... is sent/received from/to ULA in 16 Z80 T-states ... elapse. I suppose that IF1 ULA has a way to synchronize ... -
Spectrum FPGA clone with HDMI video output by Jozsef LaszloThis clone is based upon the ULA core I wrote for opencores.org . It features a scandoubler and HDMI conversion engine. Jozsef has found that a 28MHz…
... clone is based upon the ULA core I wrote for opencores ... -
Issue 2 black paper white borderGot an issue 2 here that has a 6c001e ULA, no cockroach, no transistor mod (although you can clearly see on the top of the z80 and on some legs, some…
... here that has a 6c001e ULA, no cockroach, no transistor mod ... -
Zero 0.6I'm pleased to announce that I've released Zero 0.6. There are some comprehensive changes in this release including moving to .Net 2.0, removing Slim…
... mode (Scotty, Arm73).
- Fixed ULA Plus mode being disabled in ... -
Roger Jowett?Had this email to my ebay account, bearing in mind I had already replied that I only had 2 microdrive connectors left and I dont have any of the othe…
The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
... the board, originals were socketed). ULA and CPU had also been ...20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... just before the ULA reaches them. While the ULA is busy ... row down. While the ULA is rendering that first pixel ... byte as soon as the ULA has passed it, and ... and finish just before the ULA catches up with us at ... fifth line, where the ULA caught up and redrew the ...ULAs interchangeable across issuesHi all, Now that I'm retired, I'm looking again at 8 bit computing :) I'm attempting to revive a spectrum 48K. I'm going to swap chips in/out from…
... issue ?
Should a ULA from an issue 6A work ... />
If retrofitting a newer ULA, do you have to undo ...August sales[COLOR="Blue"]I have about everything listed here in stock. But some of it must be made ready (with custom wishes). [B]Buying directly will save you…
... ://benophetinternet.nl/hobby/vanmezelf/sales/ula.jpg[/IMG]
[B]48K ... ULA (different types for issue 2 ...Adding a pause key to ArkanoidHaving rediscovered the simple pleasure of playing 1980s games on genuine 1980s hardware, I've also remembered that emulation can provide a feature m…
... requires a read from the ULA port (0xFE) with the high ...Issue 4A black paper, white borderJust had one of these through, nice yellow pcb! Everything but the ULA soldered in. On power up I get black paper, white border and some intermitten…
... yellow pcb! Everything but the ULA soldered in.
On power ...Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
... . Could it be a defect ULA, or one of the RAM ...spectrum issue 6a oddityMorning everyone Bought a speccy (rubber key) from ebay in near mint condition - couldn't tune in on analogue particularly well so did the comp mod …
... />
I was thinking bad ULA but not sure - if so ...Spectrum 48k video and keyboard issueHi all, few days ago I experimented with battery supply for my speccy (48k issue 2), and I was measuring the voltage and how much current it used. A…
... hope it's not the ULA because replacements are hard to ...ZX Spectrum clock signals comparedI haven't searched for this on WoS; it might have been posted before. But I think it's important info, and can't do any harm to repeat or show from a…
... />
[U]ZX Spectrum ULA differences[/U]
As you ... +2 use the same ULA, but this ULA is very different from ... the 48K ULA.
Allthough the toastrack ... connector comes directly from the ULA.
The Z80 gets the ...Ben Versteeg's September sales[COLOR="Blue"][B][SIZE="6"]Add-ons[/SIZE][/B][/COLOR] [IMG]http://benophetinternet.nl/hobby/vanmezelf/sales/line.jpg[/IMG] [IMG]http://benophetinter…
... [/IMG]
[B]48K ULA (different types for issue 2 ...Another broken SpeccyHi all I have been given another ZX Spectrum, this time it has a really odd problem as you can see in the video: [URL="http://youtu.be/ZOSiBEYQD7w"…
... , works fine
Checked the ULA on another Spectrum - all good ...Toastrack trouble[IMG]http://i44.tinypic.com/11lq7id.jpg[/IMG] Sorry about the picture size, cant figure out how to make it smaller! Anyway, the pic says it all, th…
... (that does work as intended). ULA gets extremely hot after about ...eBay 128K Spectrum RGB cables overheat the Spectrum!?Hi everybody, For a long time I've wondered why Spectrum 128K Toastracks were overheating when using my Retro Computer Shack RGB SCART cable. Today …
... the composite SYNC! The poor ULA is driving the RGB switching ... is too much for the ULA, and it gets too hot ... /> You can tell if the ULA is over-stressed by measuring ... pin 23 (CSYNC) on the ULA. It should be about 3 ... is my Spectrum 128K's ULA, and that's too high ...
