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<1…20212223242526…34>
  • Going Going Gone!!Hee Hee minister falls of chair in interview. The timing is perfect. [youtube]vM1pvax-OTk[/youtube] What funny video's do you have of funny accide…

    Hee Hee minister falls of chair in interview. The timing is perfect.

    [youtube]vM1pvax-OTk[/youtube]


    What funny video's do you have of funny accidents.
    Scottie_uk Scottie_uk October 2008 Chit chat
  • Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…

    ... swapped in a known good ULA chip just coz its an ...
    Womble Womble November 2008 Hardware
  • Suggestions for Mr. Rich MellorRich, is there a chance any of these things could be available from you in a near future? -AY interface for 16K/48K Spectrums -PS/2 keyboard interfa…

    ... fix on +3, memory replacement, ula replacement, hardware fix to add ...
    zxbruno zxbruno November 2008 Hardware
  • Fuse for Mac OS X 0.10.0 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…

    ... Meunier).
    [*] Tweak TS2068 display timing (Fredrick Meunier).
    [*] Fix crash ...
    Fred Fred December 2008 Emulators
  • Sinclair Spectrum ULA BookAnnounced in the Hardware forum, but might be interesting to others: [url]http://www.worldofspectrum.org/forums/showthread.php?p=324213[/url] Regar…

    Announced in the Hardware forum, but might be interesting to others:

    [url]http://www.worldofspectrum.org/forums/showthread.php?p=324213[/url]

    Regards
    Chris
    csmith csmith December 2008 Sinclair Miscellaneous
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... good staff already built in? ULA, Z80, LM1889 must stay in ...
    zboskovi zboskovi January 2009 Hardware
  • IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…

    ... from memory by the ULA to draw the screen. ... to detect when the ULA has finished generating the ... contended memory, and the ULA stops the Z80 clock until ... Z80 resumes operation, the ULA has been released the ... the mentioned range, AND the ULA is accessed (A0 = ...
    mcleod_ideafix mcleod_ideafix January 2009 Hardware
  • Dead microdrive advice plsHi, I recently got a box of bits off ebay, and one of the items is a dead microdrive. Now assuming the motor inside it works (I havnt tried putting…

    ... -solder incase I fry the ULA) what are the likely causes ...
    Paul_esx30 Paul_esx30 January 2009 Hardware
  • Help with faulty +2ahi everyone I'm Nuno from Portugal I think I made poopoo with a 128k +2a motherboard I had spare for testing purposes This motherboard has always …

    ... to 48k I think the ULA is working no?
    the ... ula on amstrads is that square ...
    Nuno2009 Nuno2009 January 2009 Hardware
  • R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…

    ... Res?arch r$...
    The ULA gets very hot.

    ULA ferranti #7, all new electrolytic ... some custom fit heatsinks for ULA, Z80, etc...
    I seem ...
    thomas3120 thomas3120 February 2009 Hardware
  • SRAM replacement for lower 16KSome time ago I wondered if it were possible to replace the lower 16K RAM of a 16K/48K Spectrum with a single SRAM chip. You know, those pesky 4116 D…

    ... issue 4B (rubber keys)
    [*]ULA inside is of type 6C001E ... case with other issue boards, ULA versions, or SRAM types. Right ...
    RetroTechie RetroTechie February 2009 Hardware
  • ANNOUNCE: Manic Miner: Ma jolie [Special Edition 2009]I am delighted to announce the release of another Special Edition of my 2003 Manic Miner game: [i]Ma jolie[/i] (the lower-case 'j' is important to me…

    ... a need for frame-perfect timing. The Special Edition 2006 was ...
    andrewbroad andrewbroad February 2009 Games
  • Component count/modern replacementsThere is a thread/project for replacing the old memory with simms There is also the ULA replacement. There's DEATH's composite replacement. What els…

    ...
    There is also the ULA replacement.
    There's DEATH ...
    dekh dekh February 2009 Hardware
  • ZX-Blockeditor version 1.0.1.10 publishedToday I published a new version of ZX-Blockeditor, because the older version 1.0.1.9 contained the following bug in writing TZX-files: Data blocks wi…

    ... TZX tapes where the exact timing of the block pauses was ...
    clausjahn clausjahn March 2009 Announcements
  • Yay. Found an issue 1!I've had a Speccy sitting about the house for a while, unused as it only ran as a 16k (a sticker seal on the casing suggested either a 48k upgrade or…

    ... 1 16k (with the little ULA daughterboard).

    Thing is ...
    liveinabin liveinabin March 2009 Hardware
  • +2 datacorder noise eliminationHello :-) I have recently bought a gray +2, and as expected, it is plagued with the "datacorder noise in sound output" problem. I have found a few …

    ... by motor reaching and destroying ULA if the whole datacorder circuitry ... is wired straight into the ULA without any buffering and a ... the possibility of killing the ULA if the voltage applied exceeds ...
    memrah memrah March 2009 Hardware
  • issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…

    ... 74ls04 (old one working too), ula working fine - I have 2 ...
    gorski gorski March 2009 Hardware
  • Recommend a GIF maker.I used to use (ten years ago) a wonderful GIF maker which came with Paint Shop Pro, which is no longer included with PSP. I haven't used one since a…

    ... necessary though)
    Fudge with timing in milliseconds
    Adjustable FPS ...
    ZnorXman ZnorXman March 2009 Chit chat
  • RLE source codeI'm considering tweaking my Des Des loader to cope with on the fly decompression (yeah I'm bored) I was wondering if anybody out there had a very ba…

    ... have to have too many timing issues to contend with in ...
    Kilby Kilby March 2009 Development
  • Sprinter 2000A while ago I bought the Sprinter 2000 from the now defunct St. Petersburg-based company Piters Plus. It is one of the last five or so of the 120 or …

    ... IDE disk support.
    The ULA is kept inside an FPGA ...
    wilsonsamm wilsonsamm April 2009 Sales
  • interface1discipleanyone manage to virtually connect two emulators running on the same machine? could zx spin be modified to replay two rzx files simultaneously? any o…

    ... an lcd screen - think the ula snow comes thru ?
    Roger Jowett Roger Jowett April 2009 Emulators
  • editing the wave of a broken tapeI am trying to restore an audio copy (audio-to-audio from original) where the audio has a few glitches. The tape is intact, only the audio informatio…

    ... that also report the tape timing equivalence ?)

    Cristi
    secarica secarica April 2009 Sinclair Miscellaneous
  • DRAM without powerSomething interesting I noticed last night, after making a bad Spectranet ROM image which crashed the machine... Looking at the image on the screen,…

    ... ago, csmith noted that the ULA sometimes exceeds the datasheet's ...
    Winston Winston May 2009 Hardware
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... 224t line

    nop ;Timing adjustment tweaks
    nop
    push af
    nop ;Timing adjustment tweaks
    nop
    joefish joefish May 2009 Development
  • Problem SpeccyNot sure anyone can help without a photo but I'll describe it anyway (and maybe post a photo later). I have a problem speccy. The display shows a bo…

    ... changed out:
    Z80
    ULA
    Rom
    The chip ...
    beanz beanz May 2009 Hardware
  • ANNOUNCE: JSW64 Manic Miner: James Bond [v1.1]I am delighted to announce the second gamma-release of [i]JSW64 Manic Miner: James Bond[/i] (v1.1), which is available as a free download from: [url]…

    ... -perfect jumps, sometimes with perfect timing. Each room is an intricate ...
    andrewbroad andrewbroad May 2009 Games
  • issue 4s for reapirHi All, This time I have issue 4s for repair :) Here is few screen shots and small movie after boot. [url]http://forest.no-ip.org/issue4s/[/url] I kn…

    ... /[/url]
    I know only ula working fine and have good ...
    gorski gorski June 2009 Hardware
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    ... or Pentagon and adjust its timing accordingly.

    There's ...
    joefish joefish June 2009 Development
  • How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…

    ... when neither CPU0 nor the ULA are using it. This ensures ...
    wilsonsamm wilsonsamm June 2009 Hardware
  • Issue One 'Dead Cockroach' chipI recently got hold of an Issue One spectrum, and I started wondering: is the dead cockroach chip required due to a flaw on the PCB, or is it really …

    ... really a flaw in the ULA chip itself?

    Also ...
    trellis trellis July 2009 Hardware
<1…20212223242526…34>

Latest Posts

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  • I am currently watching.....
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    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
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    Renegade 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

HitBox

Word Docs Hits
contetion 10 13
timing 3.3K 4.1K
ula 7.3K 13K

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