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zx spectrum ULAis the ULA in the 16K the same as in the 48K could you take the 16K ULA and place it in a 48K I ask this because i have a speccy thats dogy with th…
is the ULA in the 16K the same as in the 48K
could you take the 16K ULA and place it in a 48K
I ask this because i have a speccy thats dogy with the graphics and my 16K has keyboard issues
thanks -
ZX spectrum 48K ULAhi everyone I WANT a 48K working ULA. My one needs replacing.. Thanks
hi everyone
I WANT a 48K working ULA. My one needs replacing..
Thanks -
Broken keyboard due to broken ULARecalling csmith's thread about dead ULAs, a thread appeared in the Zonadepruebas (Spanish) forum regarding... a dead ULA, but only a partially dead …
... (Spanish) forum regarding... a dead ULA, but only a partially dead ... to life.
"Another ULA knackered!" I thought...but... how ... The only solution: bypass the ULA. That's to say disconnect ... to read something from the ULA. This combination (the most ... -
Which ULA for which issue?Which ULA is for which issue? Is there a standard? Micky
Which ULA is for which issue? Is there a standard?
Micky -
+3 ULA question.I have a +3 and a DivIDE+ unit. Another user has suggested that the reason the DivIDE+ doesn't work on the +3 is that the ULA may be dud. I have trie…
... the +3 is that the ULA may be dud. I have ... can get a replcaement +3 ULA from? I have been told ... a +3, what about 128K ULA or +2 ... -
flash jet pacjust stumbled up on this flash remake of jetpac no idea if its been mentioned before tbh [link removed] im finding it a bit awkward to control tbh
just stumbled up on this flash remake of jetpac no idea if its been mentioned before tbh
[link removed]
im finding it a bit awkward to control tbh -
Wanted: Rubber Key 48K M/board or ULAI have a spectrum that isn't too happy. It seems to be a problem with the ULA... So, has anyone got a spare working motherboard that'll fit in my ca…
... be a problem with the ULA...
So, has anyone got ... in my case, or a ULA for a 3b revision? I ... .
The current ULA has Ferranti ULA 6C001E-6 / 8351 stamped ... -
Chris Smith's ULA talk - live today (Sat Jul 23) 4pm BSTChris Smith's talk on the Spectrum ULA at Euskal Encounter will be broadcast live today on the Basque country public TV's website! Sorry about the sh…
... 's talk on the Spectrum ULA at Euskal Encounter will be ... , and the second about the ULA and its reverse engineering.
csmith talks about games/ULA book on EITBHere is what looks like a very rough edit, courtesy of EITB (Basque country TV) with Chris Smith about the ULA book and game engines of back in the d…
... ) with Chris Smith about the ULA book and game engines of ...try to fix issue 4 board problemHi I try to fix speccy 48. All voltages are in place, ula 100% ok, cutted +5v from ic25 so far no luck. What next? ROM or upper memory? wojtek (i…
... . All voltages are in place, ula 100% ok, cutted +5v from ...
(i got vertical stripes and some flashing garbage on ...DivIDE compact flash cardsHi all, Just bought a 1Gb compact flash card from Maplin (iFlash) and it doesn't work in my DivIDE. Actually, it doesn't work in my CF to IDE adapte…
... /> Just bought a 1Gb compact flash card from Maplin (iFlash) and ...Spectrum + and +3 Bath! Including SEXY photos!Continuing my "bath" projects: Today I repaired a 48K Spectrum + to working condition, an Issue 4 that is nice and stable. Took 4x Spectrums+ apart …
... taken close up and full flash through the grating on the ... ensure longer life of the ULA and Z80.
[IMG ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... read a bit in the ULA+ for test if supported. And ... bits of displacement, and the ULA start the frame with the ...New Flash Rom Board for +3 and Black +2As per the other thread I've now sold out of these boards. There is however the possibility of getting a new batch made, and at the same time making …
... any expansion device with a flash rom reprogrammed itself. This led ... that could be supporting 512kB flash chips instead of the 128k ... some coding gymnastics in the flash utility, but I suspect there ...FLASH no more.Adobe decides to call it quits ... or at least when it comes to Flash for mobile devices. [url]http://tucone.com/2011/11/10/adobe-flash-player-to-be…
Adobe decides to call it quits ... or at least when it comes to Flash for mobile devices.
[url]http://tucone.com/2011/11/10/adobe-flash-player-to-be-no-more-mobile-devices-apple-wins-the-war/[/url]ZX81 Dark screen, could it be the ULA?Trying to get a ZX81 going for a mate of mine, already replaced the membrane (Cheers Rich!) but now its the old "very dark screen" problem, probably …
... " problem, probably caused by the ULA and fixable with the composite ... this could be a damaged ULA that his mod may not ...Slightlt OT. - ZX81 ULA Modulescomming soon... ZX81 ULA module. Plugs into original ula socket, provides composite video output (requires vwry small mod to bypass UHF Modulator, b…
... .
Plugs into original ula socket, provides composite video output ... constant 3.25Mhz from the ULA to your sound card (or ...Can anyone test my Issue 2 ULA?Hi guys, Could anyone with a Issue 2 Speccy try whether my ULA works in theirs? I will obviously cover postage etc. Just want to know whether I have…
Hi guys,
Could anyone with a Issue 2 Speccy try whether my ULA works in theirs? I will obviously cover postage etc. Just want to know whether I have a faulty ULA or not before trying to source one from somewhere.4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... perfectly with a 5C112E ULA. I have just been ... whatever their native (version 6) ULA happened to be.
... much more severe as the ULA (I assume) warms up ... makes me think the ULA must sometimes wrongly read from ... address or of the ULA's latching of bytes ...Best current ide /flash interfaces? and re harlequin cloneHi I have a few 48k rubber-key spectrum's, a harlequin clone board :) on order and 1 (one) divide+ interface. I was hoping zetro's simple IDE woul…
... for an *internal* ide or flash interface for the 48k rubber ...ULA snowHow is this feature implemented in emulators ? And how exact is the emulation ? I somehow supposed that ULA snow is something that is not very determ…
How is this feature implemented in emulators ? And how exact is the emulation ?
I somehow supposed that ULA snow is something that is not very deterministic in nature. But if one can emulate it (perfectly ?) then i was wrong.Experiments mixing ULA+ and Timex Hicolour featuresI'm trying to improve my Verilog skills, so I've written a description of a complete ZX Spectrum 128K (+2 grey ROMs), with AY-3-8912. I wanted to add…
... -8912. I wanted to add ULA+ support, and in the way ... been used to implement the ULA+ palette registers.
I ... to add this to the ULA+ page, if you wish ...ZX Spectrum ULA core available at OpenCoresHi! On April, 23th, I opened a new project at the OpenCores website: [url]http://opencores.org/project,zx_ula,Overview[/url] Right now, it has a, h…
... , hopefully, complete description of the ULA chip, written in Verilog, and ... on it to act as ULA, with a true Z80 and ... way I hope to tune ULA timmings in case there's ...For which Spectrum is this ULA?For which Spectrum is this ULA? Ferranti ULA 9RB015E 8428 Micky
For which Spectrum is this ULA?
Ferranti
ULA 9RB015E
8428
MickyHow frequent is the flash switching?Hello All, A quick question if I may be so bold :) Is there any documentation on how fast the flash is switched? I've found this but I'm not sure i…
... documentation on how fast the flash is switched?
I ... correct? ttp://www.zxdesign.info/flash.shtml
Thus: 32 Frames ...ULA Chips Wanted UrgentlyHello, I am looking for following ULA chips to repair my Speccies: Issue 2 board ULA5C112E 1 pc Issue 3B board ULA6C001E-6 or ULA6C001E-7 2 pc…
... /> I am looking for following ULA chips to repair my Speccies ... -7 2 pcs
ULA 2C158E for ZX81 1 pc ...Flash Boards UpdateAs per [URL="http://www.worldofspectrum.org/forums/showthread.php?t=36525"]this thread[/URL] I'm still working on the Issue 2 flash rom boards. I re…
... working on the Issue 2 flash rom boards.
I ... .no-ip.org/public/spectrum/flash/flash2/proto1.jpg[/img]
flash/flash2/proto2.jpg[/img]
flash programmer rom.ULA bug and snowI am tryng to improve the snow emulation in FBZX wii but I do not have a real spectrum to test the results. I used the information taken from Harele…
... emultor is writing in the ULA video register the second screen ...
