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Search Again :: Adv Search 1000 results in 0.027s
<1234567…34>
  • Repaired some 128K's todayI have lot's of ZX Spectrums laying aside with some more complex defects. Today I decided to try to fix some of them. I thought: why not share my ex…

    ... br /> I measured the resistance between 5V and 0V ... /> "If an address or data line error is identified then the ... area. For address or data line 0 there will be ... stripe, for address or data line 1 there will be ... stripes, for address or data line 3 there will be ...
    bverstee bverstee December 2011 Hardware
  • Spectrum + keyboard issueMy Spectrum+ seems to have some trouble on Space Key. Sorry for all "seem" in the following text. But it's hard to understand if it's a real steady t…

    ... to resistance and not enough current being sunk by the address line ... (row) from the data line (column).

    csmith csmith December 2009 Hardware
  • Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …

    ... low resistance range (0 to 200 ohms) to check that each data line ... 470 ohm resistors. Each data line from the Z80 CPU should ... to higher resistance range (say 20k) and test each data line to the ... +5V line, the 0V line, all the other data ...
    1024MAK 1024MAK March 2013 Hardware
  • Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…

    ... A- and D lines (measuring resistance against ground, meter in 20 ... differing (shortcutted...) one. When a data line is different you may test ...
    roko roko October 2013 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…

    ... using the resistance range on your meter, measure each data line (D0 to ... on and do the same resistance tests on the address lines ...
    1024MAK 1024MAK December 2015 Hardware
  • Upper memory issueZX Spectrum 48K, issue 2, boots fine. Lower RAM OK. When tested with the new test ROM in the Diagboard, for all upper RAM tests "FAIL" is shown. I…

    ... pins except for the data pins). The data pins should go to ... the respective data pin on the CPU. Note ... data line to both +5V and 0V for short circuits using the resistance ...
    1024MAK 1024MAK September 2016 Hardware
  • ANNOUNCE: SPECSAISIE 1.2 released!SPECSAISIE is a Java system which enables one to perform surgery on SNA and TAP files, and various other gubbins (some functions relate to Spectrum e…

    ... a BASIC program for typing data from emulator files into a ... Spectrum. The program includes a DATA line for each eight bytes, and ... a checksum for each line.
    + CSaisie: Combines Compare and ...
    andrewbroad andrewbroad January 2003 Emulators
  • ANNOUNCE: SPECSAISIE 1.2 released!SPECSAISIE is a Java system which enables one to perform surgery on SNA and TAP files, and various other gubbins (some functions relate to Spectrum e…

    ... a BASIC program for typing data from emulator files into a ... Spectrum. The program includes a DATA line for each eight bytes, and ... a checksum for each line.
    + CSaisie: Combines Compare and ...
    andrewbroad andrewbroad January 2003 Games
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... people use when writing music data...I'm thinking mainly along ... one being wrting a data line per access, ie data for every concievable ... also, a kind of delayed data stream that only really updates ...
    GBNvK GBNvK January 2004 Development
  • AY MusicHi all. Happy new year! I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find a…

    ... people use when writing music data...I'm thinking mainly along ... one being wrting a data line per access, ie data for every concievable ... also, a kind of delayed data stream that only really updates ...
    GBNvK GBNvK January 2004 Sinclair Basic
  • Hacking utilities denied but readily availableSo the good news: Steve did a massive database update with loads of wicked games, and (finally!) my hacking utilities and XLR-8 mastering utilities! …

    ... perform a NEW, leaving the data line for the multipoke stashed somewhere ...
    JonNorth JonNorth December 2005 Development
  • Notation questionI wasn't quite sure where to put this post, so anyone's welcome to move it whereever may be more appropriate. So I'm reading about Z80 interrupts he…

    ... meaning of a line above a variable/constant/data line etc? like this ...
    wilsonsamm wilsonsamm June 2007 Development
  • 48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…

    ... rolled off the production line. These were marked as ... although it doesnt prove the data integrity, just that the ... allows you to read data from an address range ... is required to drag the data line to logic high, ie ... Without this R the line can't bounce back ...
    Womble Womble August 2010 Hardware
  • more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…

    ... on how to use DATA statements directly for displaying ... be printed directly from the DATA line and thus saved within ... printed;
    * the background DATA can be referenced & modified ... REM calculate & store the DATA parameters
    LET m(m ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • A 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…

    ... lower case strings in the DATA line with the correct CHR$ code ... different initial letters in the DATA statement; eg. for LEN & ... ",184...
    [code]
    9990 DATA "fn",168,"and",198,"len ... t$+47: CLS :
    PRINT "Line:";l;" replace:";CHR$ u;" with ...
    Battle Bunny Battle Bunny December 2012 Sinclair Basic
  • RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…

    ... an error on 0 data line or address line ,what is the difference ...
    xaris_sm xaris_sm March 2013 Hardware
  • Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…

    ... found so far:

    Data communication is 80% documented in ... it is explained that a data line handles the odd bits and ...
    Falco-F8L Falco-F8L June 2013 Hardware
  • Issue 2 black paper white borderGot an issue 2 here that has a 6c001e ULA, no cockroach, no transistor mod (although you can clearly see on the top of the z80 and on some legs, some…

    ... and four horizontal lines (indicating data line 3, IC9) now Im using ...
    Macc Macc July 2013 Hardware
  • I've had better nights...So I got a broken issue 2 today, case in good nick but the diags board showing multiple failures in both lower/upper RAM. Never mind, good as a spare…

    ... a pattern exhibiting a stuck data line during the random fill test ...
    balford balford November 2013 Hardware
  • Python script to scrape Amazon.com book reviewsI've been meaning to read the Gollancz Fantasy Masterworks (roughly 40 books) and Sci-Fi Masterworks (roughly 100+ books) lists for a while now, but …

    ... :
    line = line.decode('utf-8') # Decoding the current binary data line to text ... .
    except UnicodeDecodeError:
    line = str(line)
    line = line.strip ...
    BigBadMick BigBadMick April 2014 Chit chat
  • 48K keyboard issue48K issue 3b reads keys without... keyboard. Looking at recorded keys, problems seems to be with one data line - D1. It happens after a while since p…

    ... seems to be with one data line - D1.
    It happens after ...
    kpuchatek kpuchatek June 2014 Hardware
  • 48k repairJust had an Issue 2 speccy in with a couple of faults, first thing I noticed was C28, it was there, just no solder, literally just moving about! Sol…

    ... the 128k diagnostic cart, Bad data line 2 from 8000 to FFFF ...
    Macc Macc August 2014 Hardware
  • Help with 128k greyHello friends, need some help here on try fixing a +2 grey spectrum128. To keep it short, opened the case and the voltage regulator was missing, the …

    ... test program.) going down the line the PCF also was not ... passed. Then an error on data line 5 showed up on the ...
    Pluto63 Pluto63 October 2014 Hardware
  • +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…

    ... run I got "[b]Bad Data Line 5[/b]" at RAM Bank ...
    gtsamour gtsamour May 2016 Hardware
  • Working with streams in BASICHi I've been screwing around with streams and Spectranet, there's something I can't figure out. If you want to send data to a stream how can you tel…

    ... . If you want to send data to a stream how can ... words instead of reading some data line by line I want to receive ... rather than me reading it line by line with INPUT statements and ... to give me the next line. I have a feeling it ...
    ivanb303 ivanb303 October 2017 Sinclair Basic
  • TZX/Taper headachesI've been doing a stocktake of all my Spectrum stuff, most of which I bought in a job lot a few years back, and there's a whole load of covertapes in…

    ... into Taper, I get red data blocks, and saving it as ... 7521 bytes respectively, but the "DATA" line text is in red for ...
    The Mighty Dopethrone The Mighty Dopethrone December 2017 Games
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... people use when writing music data...I'm thinking mainly along ... one being wrting a data line per access, ie data for every concievable ... also, a kind of delayed data stream that only really updates ... various players in its on-line help.

    The second ...
    Alcoholics Anonymous Alcoholics Anonymous January 2004 Development
  • unreleased spectrum protection system - any use any more? also pokerama sourceDon't know if anyone's interested in this. During my days hacking games for Your Sinclair and Crash (and Sinclair User for a while) I had a pet proje…

    ... perform a NEW, leaving the data line for the multipoke at a ...
    JonNorth JonNorth October 2005 Development
  • "Lost" 48K expansionToday I dug up my Speccy after more than 10yrs of inactivity. I bought it as a 16K in 1983, than I had expanded to 48K and never had problem. Until t…

    ... is attached to a single data line back to the Z80, so ...
    Winston Winston April 2007 Hardware
  • 48K Speccy not workingHey, A few months ago (hope it&#180;s not to late) I was loading a game into my speccy and from one moment to another it stopped working! I unplugge…

    ... there is one chip per data line. If the failure is such ...
    Winston Winston May 2007 Hardware
<1234567…34>

Latest Posts

  • I bought an accoustic guitar. How do you play it?
    dm_boozefreek on 7:51PM
  • Goodbye Z80
    zx1 on 7:11PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

HitBox

Word Docs Hits
data 17.9K 34.5K
line 19.4K 33.7K
resistance 1.5K 1.8K

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