World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.024s
<1…11121314151617…34>
  • 'Interesting' Issue 2 modSo I've been lurking on this forum for a while and I've got to the point where I want to see if I can repair a speccy.. so I bought me a 'broken' one…

    ... Zener diode) that have been faulty.

    Note that the ... />
    Edit: just saw the bit about the ULA. Bugger :(
    balford balford September 2014 Hardware
  • Damaged S2 IC 26?I'm after more advice, pretty please :) On my S2 board there appears to be a damaged chip, it looks to be IC 26 and is marked as 74LS158PC, it appea…

    ... followed by a 7 bit column address plus an ... the faulty half). The OKI variation requires a 7 bit row ... address with another bit to select ... , followed by an 8 bit column address. Look up ...
    I also give a bit of information on this topic ...
    Zorn Zorn September 2014 Hardware
  • 48K Ram Check Command not workingI am trying to repair my Spectrum 48k. It is having issues loading games, sometimes they load all the way to launch and then the speccy resets. Oth…

    ... way to single out any faulty ones?[/QUOTE]

    It ... pins and pick up the faulty chip by doing resistance checks ...
    1024MAK 1024MAK September 2014 Hardware
  • ZX81 and Analogue TVsI recently bought a really nice ZX81 on ebay in amazing condition, but I'm having issues tuning in an old analogue TV to lock onto the signal. I und…

    ... 18-pin 1k x 4 bit SRAM chips (making a total ... of 1k x 8 bit = 1k byte) or a single ... mask ROMs that had the faulty code. These ZX81s were fitted ...
    1024MAK 1024MAK September 2014 Hardware
  • Spectrum sometimes boots with graphic issuesA while ago, my Spectrum 48K (issue 3B) broke down after fiddling with a brand new joystick interface in combination with DivIDE. Today I tested the …

    ... tell from that exactly which bit(s) of the character cell ... therefore which IC's are faulty.

    B
    balford balford September 2014 Hardware
  • Sinclair Today...Based on your experiences and knowledge of how Sinclair Research operated back in the 1980s, if they were to announce a new Sinclair branded PC or La…

    ... were good. Quality was a bit variable, but my original ZX ... only died due to a faulty locating pin coming loose on ...
    1024MAK 1024MAK September 2014 Hardware
  • z80 reverse engineeringI came across Ken Shirriff's blog today where he is reverse engineering the Z80 from images of a Z80 die. I guess this may be of interest to those of…

    ... view seemed to be that faulty /M1 lines going unnoticed would ... in Spectrums being found with faulty /M1 lines. Now that I ... think about it a bit more, the proximity of /M1 ...
    zub zub October 2014 Hardware
  • Faulty Spectrum +2A from Ebay - advice?OK what would you do??? I bought a job lot off Ebay with a +2A in 'excellent condition' - didn't mention working. BUT it doesn't work... no red ligh…

    ... .

    And regarding the faulty PSU. Yes it can be ... your Speccy just needs a bit of TLC.
    Your Spec-chum Your Spec-chum December 2014 Sinclair Miscellaneous
  • Issue 2 Upper Ram, Loading & ResettingI have a 48k Issue 2 Speccy and for the life of me can't track down what the problem is with it. I initially thought that some of the uppe ram ic's w…

    ... responsible for bit 7 of the upper RAM being faulty, so according ...
    balford balford December 2014 Hardware
  • 48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…

    ... my knowledge a bit (as I have a faulty 48k of my ...
    Ricardo99 Ricardo99 January 2015 Hardware
  • Favourite Speecy HardwareHi, Just wondering what your favourite piece of Spectrum add-on hardware is/was? How about the Alphacom thermal printer? Or the Currah Speach thin…

    ... rude words and add a bit of speech to BASIC programs ... . My first unit had a faulty memory refresh, but the replacement ...
    Matt_B Matt_B January 2015 Sinclair Miscellaneous
  • Spectrum 48K Ferranti ULAIs there anywhere to get hold of the ICs in the subject? Martin

    ... with them. I'm a bit short on free time at ... are due to dead/partly faulty ULAs?
    Only the ULA ...
    1024MAK 1024MAK February 2015 Hardware
  • Spectrum 48K Ferranti ULAIs there anywhere to get hold of the ICs in the subject? Martin

    ... think there's a little bit of panic starting to emerge ... that was due to a faulty 4116 IC placing +12v on ...
    balford balford February 2015 Hardware
  • Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…

    ... Kempston interfaces that do 3-bit (low) decoding, 000xxxxx
    bit (low) decoding, xx0xxxxxOh, ... the latter uses 1-bit decoding.
    Since ... done through full 8-bit decoding. Anywhere else you ... of a load of faulty RAM chips is another ...
    zub zub June 2015 Emulators
  • ZX Spectrum issue 6a - yellow border problem<p>Hello!</p><p>I have problem with my Sinclair ZX Spectrum issue 6A, 48K. </p><p>I have changed low memory (all 4116 IC's) and coil, all electrolyti…

    ... D2 and D3 look a bit strange (slow slopes), but not ... say that some RAM is faulty. Sorry, but for the moment ...
    HZJ HZJ June 2015 Hardware
  • Divide by 16 problem...I think.I *think* I have a problem with division. Now, this is not for the Spectrum but it [i]is [/i]for another Z80 platform. I'm converting [b]Speccies …

    ... zeroed or maybe even a faulty Z80 chip that is incorrectly ... reg (only really care about bit 0) with the highest 4 ...
    dbolli dbolli July 2015 Development
  • 64k speccydoes anyone have instructions on how to use the extra 16k found in some spectrums?

    ... "upper" memory are not actually faulty.

    To ... use either eight 32k bit DRAM chips (see note ...
    Note: the 32k bit DRAM chips were made as ... just used working 64k bit chips and marked them ... have fully working 64k bit DRAM chips, these will ...
    1024MAK 1024MAK September 2015 Hardware
  • Preservation prioritiesHi all! Firstly, thanks to the WoS staff for setting this category up. Secondly, thanks to you for all for backing the idea, and in anticipation o…

    ... I make the UI a bit more friendly that is pretty ... determine if the ROM is faulty, of course, but I see ...
    zub zub September 2015 Hardware Preservation
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... mentioned) will be the tricky bit . I will look at Ben ... up any Eproms in the faulty unit
    harriusherbartio harriusherbartio October 2015 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... on this sentence ,this " intro bit" of the paragraph for the ... messing about has taken a bit of a toll on some ... which ones are definitely faulty is a bit hit and miss . I ... will give this combo a bit more "burn in time" before ...
    harriusherbartio harriusherbartio October 2015 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... .

    Panic over (a bit at least) : it could be ... that surprising if they were faulty. My main priority now is ...
    harriusherbartio harriusherbartio November 2015 Hardware
  • New Game - Christmas Gift Hunt (Beta)Hello everyone, I would like to present to you a beta release (decided to do things properly this time around) of my new game Christmas Gift Hun…

    ... would have to be a bit slower with this gameplay.
    faulty artificial intelligence of the snowmen ...
    hikoki hikoki December 2015 Brand new software
  • Dead issue 3b with black and white barsHi all, I've been donated an issue 3b which has some nice black and white bars with a few flashing blocks. I've done a few RAM tests and could spo…

    ... one of the DRAM chips faulty and is dragging down a ... out, I find it a bit puzzling.

    So, when ...
    Mysterion Mysterion December 2015 Hardware
  • Dead issue 3b with black and white barsHi all, I've been donated an issue 3b which has some nice black and white bars with a few flashing blocks. I've done a few RAM tests and could spo…

    ... , the data bus or a faulty device on the address/data ... a DRAM chip has a faulty output and this is dragging ... is best)? Oh and a bit of strip or matrix board ...
    1024MAK 1024MAK December 2015 Hardware
  • What am I doing wrong here?[code]IF INKEY$=SCREEN$ (21,4) THEN LET SCORE=SCORE+1[/code] It's delivering a positive every time.

    ... run-time flag is set (bit 7 of FLAGS), then calls ... above. To fix it the faulty ROM routine needs to have ...
    Battle Bunny Battle Bunny May 2016 Sinclair Basic
  • Wheels of Fire: Chase HQ = duff masteringAndy Barker mentioned Chase HQ in the Wheels of Fire compilation as being WIP way back in April 2005... http://www.worldofspectrum.org/forums/discus…

    ... the sync pulses are a bit off.... or something like that ... can officially be filed under "faulty".
    richl richl July 2016 MIA/STP/SDP
  • FBI feel sorry for anyone not on FB tonight because you are missing a treat in the vega group lol - its like a game of "spot who it really is" with peo…

    ... fault, not chuck in a bit of cat5e, but travel a ... not working. Then identity the faulty core in one of many ...
    1024MAK 1024MAK August 2016 Chit chat
  • 48K Issue 2 Spectrum showing exactly 16KI've acquired an issue 2 and it quickly became clear that only 16K of memory is available. I've read that some early 48K Spectrums with malfunctionin…

    ... how you've determined the faulty RAM chips.

    If ... stores one data bit and POKEing the first faulty location attempts to ... (10101011) then this suggests that bit 0 is incorrect. Is it ... as "simple" as each bit corresponds to a specific RAM ...
    LoonyJetman LoonyJetman August 2016 Hardware
  • Composite video ghost image on ZX Spectrum 128K +2Hi, I have a ghost image on the composite video out on my ZX Spectrum 128K +2 and have run out of ideas of what could be wrong. Does anybody have a…

    ... of the +12V being a bit low.
    -12V measured -12 ... you think the TEA2000 is faulty?
    Thanks in advance and ...
    pdj102 pdj102 September 2016 Hardware
  • Composite video ghost image on ZX Spectrum 128K +2Hi, I have a ghost image on the composite video out on my ZX Spectrum 128K +2 and have run out of ideas of what could be wrong. Does anybody have a…

    ... of the +12V being a bit low.
    -12V measured -12 ... you think the TEA2000 is faulty?
    Thanks in advance and ...
    1024MAK 1024MAK September 2016 Hardware
<1…11121314151617…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
faulty 2.3K 2.8K
bit 75.9K 99K

Related Threads

  • Question on 8-bit, 16-bit, 32-bit...Hello,<br /> Sorry, this is probably a really dumb question(and something I should know by now :)). I tried doing some searches about this but came u…
  • A athlon 3000 32 bit system or a athlon 3000 64 bit systemThey will cost about the same which i was suprised to learn, but which system would you recommend, if i build the 64 bit one, can I still play my 32 …
  • 8-bit or 16-bit registers?I'm playing around with writing a Speccy emulator for mobile Java at the moment. I did a quick and dirty port of Qaop, which does run but at less tha…
  • Bit 3 And Bit 5 Of The Flag RegisterHi,<br /> <br /> I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? <br /> <br /> For in…
  • Which 16-Bit games did you always want an 8-Bit conversion of?Harlequin is a strategy-based platform game for the Commodore Amiga and Atari ST released in 1992 by Gremlin Graphics.<br /> <br /> https://www.you…
  • Seems a bit steep for an 8-bit micro.I sure we've all had a conversation about the Micro Professor MFP1. I tried a search on WOS and only got one mention of it. But I was having a sniff …
  • 8 bit Emulators in general/ links for wnatedI really like a lot of the stuff on the Speccy Web Ring.<br /> <br /> Quite a lot of it has not been updated for a while, the same goes for stuff ou…
  • Forever 2002 - crossplattform 8 bit party - the 3rd editionThe new year - a year of anniversaries for all 3 major 8 bit<br /> plattforms has started. ZX spectrum &amp; C64 are 20 years old &amp; Atari is<br /…
  • Faulty Keyboard membraneHello,<br /> <br /> My keyboard membrane of the 48K doesn'nt work anymore,<br /> Does anybody know how to get a new one ?<br /> <br /> Thanks,<br /> …
  • 32-bit handheld console GP32 / Spectrum emulatorFor your information<br /> <br /> Download Spectrum Emulator for GP32<br /> [url="http://info2.info.tampere.fi/~teoarsa/ZardozJOnes/GPSPECCYV005.ZIP"…

Related Searches

  • maketzx 64 bit
  • psu faulty 5v
  • psu faulty
  • 1 bit music
  • 64 bit emulators
  • usb joystick retro bit
  • micro bit
  • 1 bit
  • screen artifact bit
  • screen artifact bit pattern
  • screen bit pattern
  • memory fail bit
  • faulty french 2 gray
  • faulty spectrum
  • zx spectrum faulty
  • print 16 bit number
  • bit 0
  • bit 0 display
  • bit loader
  • bit test

Copyright © 2024 World of Spectrum