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  • Broken keyboard?Maybe long time ago discovered (o; Just found that if the keyboard isn't working anymore but the key foil itself is intact you need to cut of the 5 …

    ... after long time usage internal ULA pull-ups take over (o ...
    klingler klingler July 2004 Sinclair Miscellaneous
  • Sound problem in SpectaculatorHi, now that the site is up and working again, I was able to install Spectaculator on my new system but very oddly, while everything else is perfect…

    ... same problem or has a fix for this please ?
    Q ...
    Arm73 Arm73 July 2004 Emulators
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... * How long does the 48K ULA hold /INT low?
    * ... this is generated by the ULA every 69888 tstates, which ... When an interrupt occurs, the ULA pulls the /INT pin ... routine finishes before the ULA has pulled /INT high ... finished just as the ULA pulled /INT low, ...
    Philip Kendall Philip Kendall July 2004 Development
  • My speccy is ill :(Hi all, this is my first post and all so go easy on me ;) I've got a +2 (gray case) speccy which had a really poor tapedeck, basicaly on any tape, t…

    ... :'( Any ideas on a possible fix?

    Thanks
    John
    johnneh johnneh July 2004 Sinclair Miscellaneous
  • ScanlinesHere's an excerpt from the FAQ: [quote] Now for the timings of each line itself: define a screen line to start with 256 screen pixels, then border, …

    ... the CRT, so if the ULA is reading bytes it does ...
    GOC GOC July 2004 Development
  • Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…

    ... the inner workings of the ULA can comment on this.
    J?rg Pleumann J?rg Pleumann August 2004 Sinclair Miscellaneous
  • Replacement chipsAfter much digging around on here, it seems to be the general consensus that the ULA could be causing the problems im having (spectrum is deaf to the…

    ... the general consensus that the ULA could be causing the problems ... i could get a replacement ULA chip please? :)

    Thanks ...
    johnneh johnneh August 2004 Sinclair Miscellaneous
  • Interface 1 problemsI'm new to the forum but can anyone help with a problem I have recently gained? My Interface 1 has gone up the spout and now interferes with my Spec…

    ... service!! Any ideas on a fix or is it going to ...
    Ginger Ginger September 2004 Sinclair Miscellaneous
  • Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …

    ... at the moment
    To fix this, I will either have ...
    robpearmain robpearmain September 2004 Development
  • Can't get any Emulators to work on Palm Tungsten|EI've tried them all(on WOS), and nothing works right with a Palm Tungsten|E. Some emulators we developed in 2002 so I wouldn't expect them to work bu…

    ... end my disappointment with a 'fix' or news of another palm ...
    davychase davychase September 2004 Emulators
  • SAVE *"b" formatIs there anywhere online which details SAVE *"b" format?? I don't know if I ever had an Interface 1 manual, and I certainly don't have one now.? Nor …

    ... conversions), and would like to fix it up using a hex ...
    robert@fm robert@fm September 2004 Sinclair Miscellaneous
  • Wanted: Code to wait until Border has been drawnWhen my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing. I know I need to wait about 14300T after…

    When my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing.

    I know I need to wait about 14300T after interrupt but how can I tell if the ULA is now past the border and onto the screen?
    robpearmain robpearmain September 2004 Development
  • Checksums in Hobeta filesDoes anyone here have any experience with working with the internals of the Hobeta (aka .$b, .$c ...) file format, or failing that, checksum algorith…

    Does anyone here have any experience with working with the internals of the Hobeta (aka .$b, .$c ...) file format, or failing that, checksum algorithms in general?

    There's a checksum at byte 0x0e, which, according to [url="http://www.nvg.ntnu. ...
    gasman gasman September 2004 Development
  • Can't play Samurai Warrior on some emulatorsI've tried to play "Samurai Warrior" on Klive and SPIN, but I can't! To hide a sword in this game you need to press fire+back+down, but this doesn't …

    ... does this happen? Can I fix this changing some emulator options?
    kmatveev kmatveev September 2004 Emulators
  • Speccy Tour 2004 Special rulesI've had a Windows XP crash and I'm currently reinstalling updates and software. I hope to fix it all along this afternoon but in the mean time I pos…

    ... and software. I hope to fix it all along this afternoon ...
    Sabre Sabre October 2004 Games
  • Where to get Speccy bits and pieces...Hi everybody, My poor little 16K Speccy is begging to be fixed but I think the ULA has given up the ghost - when I power it on the screen stays the …

    ... fixed but I think the ULA has given up the ghost ... tick (which I believe the ULA is responsible for).
    Anyhow ... I can find a 5C112 ULA as is in this machine ...
    Spirantho Spirantho October 2004 Sinclair Miscellaneous
  • KB1/2 QuestionHello all.. New to the forum and all that (posting at least), 'nuff said. At the the risk of making a fairly dull first post, I wondered if anyone …

    ... />
    Now I know the ULA and membrane are fine but ...
    farouche farouche October 2004 Sinclair Miscellaneous
  • Humming Power Supply Spectrum 128Hello All, The Powersupply of my Spectrum 128 is humming like a nut case, only to fade away after about 20 minutes, then it is normal for the rest o…

    ... , as to how I can fix it, or what the problem ...
    electric-man electric-man October 2004 Sinclair Miscellaneous
  • New member, dead SpeccyHallo everyone, I was directed here from a Commodore (boo, hiss) forum after pleas of aid with my newly acquired, quite dead 128k Speccy. I sincerely…

    ... , but if it's the ULA that's been blown to ...
    idrougge idrougge December 2004 Sinclair Miscellaneous
  • OT: Microsoft Telephone HelpWell, As you may know ,I`ve got a problem with windows XP pro and Media Player 10. Just to recap Media player will not build a library from the wma f…

    ... understand my problem? simple to fix? just re-install the wma ... , again and again. Trying to fix it and there is no ... fix.

    I don`t ...
    Steve(spt) Steve(spt) December 2004 Sinclair Miscellaneous
  • Lords of Chaos disk loading "issues"I've downloaded the disk version of LoC but, on trying to load the first scenario ("1") I always get a disk loading error message. Anyone know what'…

    ... this problem and how to fix it, or is the disk ...
    Zagreb Zagreb December 2004 Games
  • Keyboard troubleHello again and again, There is a big problem in my Spectrum. There are five keys that don't work (B,N,M,Symbol Shift and Break/Space). How can I fix…

    ... /Space).
    How can I fix it?
    There are a ...
    tayanc_molla tayanc_molla January 2005 Sinclair Miscellaneous
  • Slowly getting dead... (ZX48)Well, in a post of mine, I said that i have a problem with B,N,M,Symb.Shift and space. Then when i opened this wonder of technology, i saw that the t…

    ... or not. I mean dead ULA or dead membrane, no processor ...
    tayanc_molla tayanc_molla January 2005 Sinclair Miscellaneous
  • Can you make a timeline?The attendants, can you make a timeline of sinclair products? And can you tell me how to fix or cut the membrane connectors? I am too nervous about …

    The attendants, can you make a timeline of sinclair products?

    And can you tell me how to fix or cut the membrane connectors? I am too nervous about this job.
    tayanc_molla tayanc_molla January 2005 Sinclair Miscellaneous
  • Yellow SpectrumI brought a spectrum off ebay, but the screen output is tinted yellow. Anyone know how I can fix this? ;)

    I brought a spectrum off ebay, but the screen output is tinted yellow.

    Anyone know how I can fix this?

    ;)
    Scottie_uk Scottie_uk February 2005 Sinclair Miscellaneous
  • ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …

    ... but using a wordvalue to fix the problem but its all ...
    Unique Unique February 2005 Development
  • Spectrum IC1'sHi, I got 2 version 6a's both of which i think have dodgy Ferranti ULA 6C001E-7 IC1's. One's keyboard doesn't respond (have tried different keyboard…

    ... i think have dodgy Ferranti ULA 6C001E-7 IC1's. One ...
    Ricey Ricey February 2005 Wanted
  • Help needed with "The Devils Crown". Bugged!!Hi there, just joined the forum,nice to see such an active community. Hopefully someone can shed some light on this for me. : ) Ok, I've been playing…

    ... before?
    Is there a fix available? It's very annoying ...
    Gosub Gosub February 2005 Games
  • Port 0x7ffd Partial DecodingI'm trying Pitfighter on my emulator and it runs in +2A/+3 mode but crashes in 128k/+2 mode. I traced it down to an OUT instruction which sends 4 to …

    ... (respond to 7FFD only) to fix it but I'm wondering ...
    Unique Unique February 2005 Development
  • Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?

    How long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
    Philip Kendall Philip Kendall February 2005 Development
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