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IF1 Ula Questionim thinking about getting an interface 1 but im aware that there is/was an issue with the ula.My question is if i have the opportunity to buy one but…
... /was an issue with the ula.My question is if i ... or a deformity above the ula does this mean i need ... they still functional but the ula gets hot?can someone explain ... -
+3 Tape/sound socket replacementI've just taken delivery of a rough round the edges but fully functional +3 (chocolate drive belt notwithstanding). However the tape/sound socket is …
... "]this[/URL] is an exact replacement? Can't make out if ... -
Modern day replacement powersupply for ZX 128kHi All Anyone got any links to a modern day replacement powersupply for ZX 128k. I don't mind lobbing off the end and installing my own barrel, just…
Hi All
Anyone got any links to a modern day replacement powersupply for ZX 128k. I don't mind lobbing off the end and installing my own barrel, just all the voltages to be correct.
Thanks as always
B -
Replacement 3D printable case on thingiverseI'd like to know people's thoughts on this: [url]http://www.thingiverse.com/thing:226892[/url] It claims to be a replacement case for the rubber ke…
... /> It claims to be a replacement case for the rubber key ... -
SampleTracker module formatDoes anybody have a description of the SampleTracker module format? I would like to make an XM converter for it. I know about [url=https://github.co…
... a description of the SampleTracker module format? I would like to ... -
My attempt to restore the CPU clock signalI know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results. I'm not taking…
... 've designed a mixed signal module for that. It's only ... a module suitable for its inclussion in ... ULAplus module that can be in sync with the internal ULA and ... input signal.
[code]module clk_restorer (
input wire mclk ... -
AMSTRAD 40057 - joystick decoder replacementThis is replacement of joystick decoder "AMSTRAD 40057" for Amstrad model ZX Spectrum 128+2 (grey). This project is not tested, but theoretically wil…
This is replacement of joystick decoder "AMSTRAD 40057" ... -
Issue 6 repair with a twist...(Starting with a slight grump - the forum ate my first attempt at this so this'll probably end up being a bit terse :)) I got a Issue 6 48K machine …
... I started wondering whether the ULA was flaky, or if there ... ).
One swift 4116 replacement later, and the machine was ... -
48k Spectrum ULA 6C001E-6 ChipAs title says, for sale: ULA 6C001E-6 Chip PM if interested.
As title says, for sale: ULA 6C001E-6 Chip
PM if interested. -
ULA queryDoes it matter which version ULA fits in a version of the spectrum motherboard, or are they are compatible with each other?
Does it matter which version ULA fits in a version of the spectrum motherboard, or are they are compatible with each other? -
Issue 1 oddityHello to everybody, I have a very first under my hands - a broken Issue 1. Apart from the classic "broken lower RAM" syndrome which will be easily t…
... of blue.
5C102 ULA works. U,V and Y ... operative after the obvious TR4 replacement.
Composite signal is ... -
Non-Ferranti ULA 6C001E-7?Hello! I don't like Iss2 boards that much but after revising one Speccy like that for a friend, the results were so positive that I decided to have …
... ever seen a 6C001E-7 ULA with no indication of "Ferranti ... -
Heatsink for ULAHi, My Speccy 48k issue 4s starts to get temperamental when it's been on for a while. Machine itself is fine but loading gradually becomes more unre…
... chum on Twitter suggested the ULA might be getting hot.
ULA might cure it? Question is ... put a heatsink on their ULA?
Cheers ... -
ZX81 ULA Swap questionHi Can someone remind me if all three versions of the ZX81 ULA are electrically compatible? I just bought a ZX81 with an older ULA, so it lacks the …
... three versions of the ZX81 ULA are electrically compatible? I just ... a ZX81 with an older ULA, so it lacks the backporch ... happen to have a good ULA 2C210E. Can I simply swap ... -
Fully refurbished ZX Spectrum 48K boards incl. ULA- Including ULA (version that [URL="http://www.bytedelight.com/?p=41"]corresponds to the board issue[/URL] - click to find out more about ULA version…
- Including ULA (version that [URL="http://www. ... to find out more about ULA versions)
- All new electrolytic ... -
TR4/TR5 replacementHi guys, I've got another Spectrum I'm working on now - an Issue 4S this time. When I originally got it, I powered it up and did the basic tests a…
... I've now got some replacement parts for that so it ... -
Ferranti ULA ULA5C112E-3 ICBeen clearing out some computer bits and I have a ULA (part number ULA5C112E-3, taken from an Issue 2 48K if I remember correctly and working when it…
... bits and I have a ULA (part number ULA5C112E-3, taken ... -
ULAAre ULA's (for Spectrum 48k's) interchangeable through the different issues? To give some background, to work out what was wrong with an old speccy I…
Are ULA's (for Spectrum 48k's) ... , I tried an issue 3 ula in an issue 2 board ... was done. The issue 3 ULA was then placed back in ... -
ULA 1E7 in 3B board?Hi all. Any comments on the following would be appreciated. I have an issue 4a and an issue 3b Spectrum. While having a look around inside the 3b …
... noticed it contains a 1E7 ULA. I then opened my ... it has the same model ULA.
Having read ... onwards which had the 7 ULA, whereas the 3b should ... me has just changed the ULA?
What's ... that I understand the 7 ULA may generate a clearer ... -
Bizarre ZX Spectrum faults (also possibly relevant to Spectranet compatibility problems).I'm attempting to repair an issue 4A 48K ZX Spectrum and am encountering some very strange problems. For my own records I've given this computer the …
... /> I tried another 6C001E-7 ULA, taken from a working issue ... perfectly when fitted with the ULA from ZX285.
I ... so long as a Spectrum ULA is not faulty, it has ... set of 4116s or SRAM module for the lower RAM and ... -
Currah Microsource ULA & ROMI have a few original (over one hundred) brand new (1986) Microsource ULA's and ROMs in prefect condition. Is anyone interested? My user name may …
I have a few original (over one hundred) brand new (1986) Microsource ULA's and ROMs in prefect condition.
Is anyone interested?
My user name may help authenticate this post. -
Redesigning the ZX Spectrum 128k - A lifelong dreamHello, I am myPinballs (Jim) and i run a small business here in the uk making replacement 8-bit hardware pcbs for arcade pinball games as well as…
... here in the uk making replacement 8-bit hardware pcbs for ... developing my own range of replacement cpu and sound board hardware ... connection
• Uses the 128k ULA IC - Ferranti 7K010E/Amstrad 40056 ... -
z80 replacementI have a Z80 with a bad M1. Would this be a suitable replacement? http://www.mouser.com/ProductDetail/ZiLOG/Z84C0006PEG/?qs=%2fha2pyFadujVcI6Qdio…
I have a Z80 with a bad M1. Would this be a suitable replacement?
http://www.mouser.com/ProductDetail/ZiLOG/Z84C0006PEG/?qs=%2fha2pyFadujVcI6QdiokaAkI9fpd2Kz8T0thgCH2nHo%3d -
MK14 keyboard replacementI'm the proud owner of a Science of Cambridge MK14! It seems fully functional, but the keyboard is a disaster - some keys don't seem to work at all, …
... checked through Google for any replacement keyboard, but it seems there ... -
How to turn OFF the "ULA Plus"??Hi. We've made a platform-game for 128k. While testing it on 2 machines with ULA+ we have noticed the colours are crap. Can You suggest h…
Hi.
We've made a platform-game for 128k.
While testing it on 2 machines with ULA+ we have noticed the colours are crap.
Can You suggest how to turn off the ULA+ in the code? -
ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…
... the user activates ula+ feature (by opening the ula+ palette editor, ... /> When I now enter the ula+ palette editor...
[img ... with the new option "Deactivate ula+ palette". This switches back ... colours of the last selected ula+ palette unchanged. To reset ... -
No CLK on issue 2 ULA pin 32I'm trying to fix an issue 2. The symptoms are as follows:- Black and white bars on screen, colours near impossible to tune in, although these po…
... of CLK on the ULA, but the ULA's I'm using ... .
Working back from the ULA I tested and changes the ... -
+2/+3 replacement power supplyI'm getting a black keyboarded +2, it has no power supply so I'm trying to source a possible equivalent if i cant get a genuine one, I know an atx s…
... internet for some kind of replacement, I've looked at micro ... -
ULA+Does the ULA+ have to be on before writing a palette? In the examples I've seen, they all enable the ULA+ before writing the palette. Maybe I sh…
Does the ULA+ have to be on before ... seen, they all enable the ULA+ before writing the palette.
