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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 ... -
ULA Replacement??I searched, but maybe I just missed it. Has there (or is there) anyone working on a ULA replacement either as an FPGA or CPLD package? Or, perhap…
I searched, but maybe I just missed it.
Has there (or is there) anyone working on a ULA replacement either as an FPGA or CPLD package? Or, perhaps something else such as a microcontroller?
Thanks -
New version emulator ZEsarUX-4.0Hi I have uploaded a new version of my emulator ZEsarUX 4.0. You can download it from the project web page: http://sourceforge.net/projects/…
... Redefine keys setting
Added ULA early/late timings setting
ULA" book
Fixed cursor keys ... , z88 file cards, zxuno spi flash, mmc cards, timex cards are ... -
Retroleum Nebula - A Spectrum ULA replacement moduleHey you guys.. Just wanted to mention a new Spectrum doobrie created by myself (Phil Ruston) and Alessandro Dorigatti: Namely, the Nebula - A Spec…
... , the Nebula - A Spectrum 48 ULA replacement module. You can read ... .uk/electronics-articles/nebula-spectrum-ula-chip-replacement-module/
ULA book:)
Cheers,
ZX Diagnostics v0.33 releasedHi everyone, I'm pleased to announce the release of v0.33 of zx-diagnostics. This release contains the following changes: - ULATest: Detect …
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- ULATest: Detect and show ULA type, and new TR6 check ... tape test - black and white stripes follow tape signal in border ... : New addressing test - check that ULA does not respond to OUT ... joysticks to select test card/ULA test as well as soak ...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.+2 Gray ProblemI'm trying to repair a +2 gray that behaves differently at every boot up. Some rare times I can get the selection window but pretty soon the characte…
... /> I already tested a new ula but problem didn't go ... replaced the rom with a flash eprom containing Paul Farrow's ...Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…
... .zigg.net/
Nebula Spectrum ULA Chip replacement module from... http ... .uk/electronics-articles/nebula-spectrum-ula-chip-replacement-module/
Runs ...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?The flash feature (graphics attr)Flash feature on speccy is not an artist-friendly thing. But sometimes it is useable... Do you know any good use of flash in games? For example I re…
Flash feature on speccy is not ... know any good use of flash in games? For example I ... screens with tricky use of flash (the big classic is JSW ...flash in a stringhi, is it possible to store flash in a string? u can store colours, bright, etc.
hi,
is it possible to store flash in a string? u can store colours, bright, etc.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 ...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.
ZX 81 / TIMEX TC1000 2C210E ULA'sHi, up for sale: 11x tested 2C210E ULA's, for the ZX Spectrum ZX81 or Timex TC1000. Asking price £29 shipping included to EUROPE, £33 for the …
... :
11x tested 2C210E ULA's, for the ZX Spectrum ...ZX Spectrum 48k ULAlooking for a ZX Spectrum 48k ULA Thanks Phil
looking for a ZX Spectrum 48k ULA
Thanks
PhiliPhone 5 screen fading with stripesHallo folks :) [b]Disclaimer: yes, I've googled the problem and it looks like it's a knackered 'digitizer'/screen issue but just thought I'd check…
... a faded screen with vertical stripes. Everything works fine in terms ...Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... the moiré makes the vertical stripes harder to see):
< ... Playing sounds, both via the ULA and the AY, also affects ... suspect a fault with the ULA (or some sort of ... RGB signals as the ULA outputs to the 8- ... inputs that leaks into the ULA’s signals and into ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... no avail. I get the ULA snow, sure thing, but that ...New colour palette for 16K/48K/+ machines, based on ULA YUV voltagesI’ve made a colour palette for 16K/48K/+ machines, based on the YUV voltage tables in Chris Smith’s book The ZX Spectrum ULA. This colour palette …
... ’s book The ZX Spectrum ULA.
This colour palette ... use the original Sinclair Ferranti ULA, 5C102E, 5C112E or 6C001E. It ...Any browser that won't block Flash?I know Flash is dying and Adobe is also ending support in about 2 years. But I've been helping people who (believe it or not) "need" their Flash game…
I know Flash is dying and Adobe is ... it or not) "need" their Flash games to work. MSN games ... , for example, have many flash-based games. You'd think ... Farmville have the same problem. Flash is dying, and some game ... browser that won't block Flash at all...6C001EE-7 ULA A ULA ID I haven't seen before, possibly a misprint? Found on an issue 6A board in a rubber key 48k. Any ideas? [img]https://pbs.twimg.com/media…
A ULA ID I haven't seen before, possibly a misprint? Found on an issue 6A board in a rubber key 48k. Any ideas?
[img]https://pbs.twimg.com/media/DbYC8aNXkAANAm4.jpg:large[/img]where can i get ula's from?i want a nebula ula from retroleum but they have sold out. i also googled it and had a look on ebay and i cant even find any normal ula's either.
i want a nebula ula from retroleum but they have sold out. i also googled it and had a look on ebay and i cant even find any normal ula's either.Spectrum 48K / composite mod / LCD TV: voltages out of the ULAHello Spectrum World I have juste bought again my first computer on ebay... a Speccy 48k issue 2 with a 5C112E-2 ULA. Just had to replace TR4 and …
... 2 with a 5C112E-2 ULA. Just had to replace ... maybe a problem in the ULA could cause b) or ... great book "The ZX Spectrum ULA: How to design a ... br /> Patrick
My ULA Y output:
[img]https ... ://i.postimg.cc/HxDsHvPC/ULA-Y.jpg[/img]
...ZX Spectrum rescued from a friend, has Issues.Hi guys, I've recovered this ZX spectrum 48K from a friend. It's a 1984 ISSUE 6A. He told me the last time it was turned on was about 30 years ago!.…
... damaged lower end on both stripes) and it became usable again ... Diags, all of the tests (ULA, RAM, ROM) were OK, so ...Was there ever an Emulator which directly support access of Compact Flash Cards instead of Images?Was there ever an Emulator which directly support access of Compact Flash Cards instead of using .HDF- or .RAW-Diskimages? I´m asking because I ha…
... directly support access of Compact Flash Cards instead of using .HDF ...doubt about swapping ULA in an issue 2 boardIs it possible to swap a 6C001E-6 ULA type with a 5C112E ? I have this issue 2 board that is not booting, it shows me a black border with horizont…
... to swap a 6C001E-6 ULA type with a 5C112E ?
ULA.
Diagnostic ROM doesn't ... would like to swap the ULA and Z80 to narrow the ... like to try swapping the ULA as I have another working ...The ZX Spectrum ULA bookFound a copy of the ZX Spectrum ULA book by Chris Smith that I've never read. This is a new book that was given to me years ago and I've never got ro…
... copy of the ZX Spectrum ULA book by Chris Smith that ...zx spectrum ULA upgradei have a issue 2 zx spectrum 16k which i upgraded to 48k .. i believe the ULA is faulty (ULA5C112E-2) .. seems intermittent i know a later one can be…
i have a issue 2 zx spectrum 16k which i upgraded to 48k .. i believe the ULA is faulty (ULA5C112E-2) .. seems intermittent i know a later one can be used but should some resistor values be changed to match it ?
thanks mark ..48k ULA heat sink required ?ULA heat sink worthwhile mod or just internet hype ? if worthwhile is a cheap heat sink going to cut the mustard ? i wonder if anybody has done any …
ULA heat sink worthwhile mod or just internet hype ? if worthwhile is a cheap heat sink going to cut the mustard ?
i wonder if anybody has done any before & after heat tests ?Interface 1 ULAIs there a technical description of the functionality of the Interface 1 ULA, similar to the "The ZX Spectrum ULA" book? Specifically, what is the…
... functionality of the Interface 1 ULA, similar to the "The ZX ... Spectrum ULA" book?
Specifically, what ... the ROMEN lines of the ULA? Superficially, ROMCS feeds into the ...
