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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 …
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11x tested 2C210E ULA's, for the ZX Spectrum ... -
New Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike DaillyNew Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike Dailly (Found on SpecNext Facebook-Page) Info and Download (=klick "CSpe…
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-zx128 = enable ZX Spectrum 128 mode
-s7 = enable 7Mhz ... (eg "-mmc=.\" or "-mmc="c:\test\")
-map= = SNASM format map ... -
Interrupts, 16k Spectrums and snowI'm writing something for the 16k Spectrum and I want to use interrupts. The avilable documentation doesn't seem clear enough for me to figure out ho…
... hardware to test on.
The problem is ULA snow. Snow ... -
ZX Spectrum 48k ULAlooking for a ZX Spectrum 48k ULA Thanks Phil
looking for a ZX Spectrum 48k ULA
Thanks
Phil -
Harlequin 128 issue 1Bhello Superfo i have the Harlequin 128 issue 1B i have a question. when i connect interface one the Harlequin is not booting up if i force to work l…
... Superfo i have the Harlequin 128 issue 1B i have a ... interface one to work on 128 mode?
if i remember ... -
ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... . My next step to test would be the ULA, but since this ... -
Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…
... .worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this ... test[/url] on your Speccy and ... -
Detecting +3 / +2AWhat's a simple but reliable way to detect if code is running on a +2A/+3? My first though was to try switching to ROM2 and then checking for the …
... as this differs between the 128/+2 and the +2A ... /> ld (hl),c ; write test byte
ld ... port 00fd - works on 128/+2 but not +2A/+3 ... read byte
or a ; test for stored 0
; zero ... t have a real 128 or +2 to try ... -
Please, convert your game to EP128The Enterprise is a Zilog Z80-based home computer first produced in 1985. It can simulate the specy screen, so most of the EP128 game is specy conver…
... -like sound chip, so the 128 musics are convertable easily.
A test screen of Wizards Lair:
Test screen of Popeye (right):
ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…
... I have done:
Test on another TV also ... brand new cable
Test with Divmmc Future play ... ManicMiner
Test RAM with Brendan Alford' ... resemble the ‘working’ IC test voltages show on the ... 4)
Reseated the ULA (6C001E-7 I don’t ...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 Spectrum emulators, 16K/48K/+ machinesI’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 ... is not suitable for 128/+2/+3/+2A machines, as ...+2 crashes upon pressing some keysYears ago I purchased off ebay a mint condition, Dixons special offer boxed UK-made issue 1 +2. I did not use it so much until recently however, focu…
... ran a couple of test programs for the ULA and RAM, first ... don't know how to test voltages etc. myself, but maybe ...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]Mulitface 128 pcb onlyhttps://www.ebay.co.uk/itm/Recreated-Romantic-Robot-Multiface-128-PCB-Bare-Board-ZX-Spectrum-48/263614388066?hash=item3d60a45762:g:X54AAOSwy05a1QQ- …
https://www.ebay.co.uk/itm/Recreated-Romantic-Robot-Multiface-128-PCB-Bare-Board-ZX-Spectrum-48/263614388066?hash=item3d60a45762:g:X54AAOSwy05a1QQ-
multiface 128 pcb only anyone got the components please?Fixing a poorly Issue 3 - Odd faults.Here's one for you Spectrum fixers, I warn you it's a long one. I've spent a couple hours this evening doing several repairs on a rubber keyed Speccy…
... on the emitter. The ULA was also getting hotter than ... it up. A basic test for voltages showed all ... wrong. Checked with a continuity test for shorts, no problems. ... and the lower ram test reported IC13 as suspected ... I tried swapping the ULA with a known working ...Testing an Interface 1As title, is there an easy way on how can I test to see if its functional or not please ? :) Please bear in mind I do not have *any* microdrives n…
... way on how can I test to see if its functional ... recall a faulty Z80 or ULA can make it appear broken ... couple of 48K+'s to test it with, but these both ... rubbery keyed machine to also test it with. I do have ...D.T Decathlon vs Hyper Sports vs D.T Supertest 128Hi everyone and welcome to the August 2018 edition of the "Which Is Best?" series. Last month I placed International Karate and IK+ (representing al…
... and Daley Thompson's Supertest 128, which game do you think ...Less MIA - Test Master (1988)(E&J Software)[+3 disk]Hi all, in short we have .... not best bright star on the game sky but count as old recovered software :) inlay [img]http://forest.no-ip.org/w…
... .no-ip.org/wos/tm/Test%20Master%20(1988)(E%26J ... .no-ip.org/wos/tm/Test%20Master%20(1988)(E%26J ...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]
...Fuse/SPIN vs Spectaculator border timingsHello, I'm trying to figure out at which moments the 48K ULA samples the current border color into its internal latch. To do that I wrote a small …
... which moments the 48K ULA samples the current border ... githubusercontent.com/kosarev/zx/master/test/border_timing/screenshot.png
test/border_timing/border_timing.tap
test/border_timing/border_timing.asm
why cant i get the +2a / +3 self test program to work on an emulator?ive tried 2 different emulators. i can get to the test pattern but thats all. holding the keys does nothing
ive tried 2 different emulators. i can get to the test pattern but thats all. holding the keys does nothingReplacing voltage regulators - need to sanity check a few things pleaseHi Everyone I'm in the process (with a lot of help from some friends at Greenford Computer Club), of giving my three Speccys some much needed prev…
... the following:
Spectrum 128 Toastrack
Spectrum +2 Grey ... greatly appreciated.
[b]ULA heatsinks[/b]
As the ... a heatsink to the the ULA without needing to desocket it ... 'll need to pull the ULA out of the +2 in ...esxDOS v0.8.7 releasedesxDOS v0.8.7 has been officially released. Grab it at http://www.esxdos.org/files/esxdos087.zip. This version has the following (notable) new fea…
... (enabled in ESXDOS.CFG - please test and report)
[*]New "utime ... )
PLEASE NOTE: The .128 command has not been updated ...Another Spectrum is brought back to life.Hi Spec-chums. I have been having bit of busy afternoon with repairs today. I've brought back to life a Panasonic Super-VHS recorder, and more intere…
... with the seller keeping the ULA ic. Pictures in the auction ... did was to fit a ULA and get the board to ... was all good, a quick test power up displayed a solid ... ][/img]
Next a test power up greeted me with ...Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... 've knocked up a small test program just to satisfy my ... and will display one of "Test passed!", "Illegal interrupt response" or ... 'm kind of hoping for "Test passed!" on real hardware!
A couple of random questions......because, why not? (1) USR0 mode on the +3/+2A/B I know of its existence, I know how it's used, and I have some games that require it to work o…
... Loader, or typing LOAD "" in 128 BASIC? And was there some ... found a small ZX80 memory test program that holds a small ...
