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<1…11121314151617…34>
  • MAME in spectrum emulationHey to all Does anyone use MAME as a emulator port for any Speccy HW? I was so far away from MAME developments I forgot they merged with MESS whic…

    ... floating bus behavior on the +2A/+3; others seemed to have ... ? The floating bus? Accurate sound? Timings? Otherwise, why call it an ...
    moggy moggy December 2017 Chit chat
  • I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…

    ... I can get my Speccy +2A and a tape drive for ... I have is that my timings are off by three clock ...
    TheMartian TheMartian March 2018 Emulators
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... deals with the screen switching timings, I recently modified my [url ... reported here by Ast_A_More for +2A emulation, but it would be ...
    Magnus_Krook Magnus_Krook September 2019 Emulators
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... deals with the screen switching timings, I recently modified my [url ... reported here by Ast_A_More for +2A emulation, but it would be ... -128-black-2-and-grey-2a-2b-3

    ... two variants of screen switching timings on +2A/+3 machines - after third ...
    weiv weiv October 2019 Emulators
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... -128-black-2-and-grey-2a-2b-3

    Briefly ... two variants of screen switching timings on +2A/+3 machines - after third ... variant messes up some other timings so for now I have ...
    Magnus_Krook Magnus_Krook October 2019 Emulators
  • Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…

    ... from unattached ports, whereas the +2A and +3 ASIC, when memory ... set in all cases. The +2A/+3 floating bytes will appear ... , the +2A/+3 will always return #FF.

    All timings are ...
    Ast_A_Moore Ast_A_Moore November 2019 Development
  • Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…

    ... )
    [/code]

    All timings are relative to the ULA ... they seem to be early timings (i.e., missed leading INT ... . (For record, the pattern of +2A/+3 models is 7 contended ...
    Patrik Rak Patrik Rak November 2019 Development
  • New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …

    ... N/A N/A (early timings, add +1 for late)
    timings, add +1 for late)
    +2A, +3 14362 ...
    Patrik Rak Patrik Rak November 2019 Emulators
  • 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 …

    ... nailed the sampling timing of +2A/+3 machines. At that point ... we discovered the difference between +2A and +3 screen paging pattern ... in addition to early/late timings, some people measure things from ... 2T in case of early timings).

    Also note ...
    Patrik Rak Patrik Rak November 2019 Emulators
  • New Version of MAME Emulator out with enhancements on Spectrum-EmulationNew Version 0.216 of MAME Emulator out with enhancements on Spectrum Emulation: [url="https://www.mamedev.org/?p=476"]https://mamedev.org/?p=476[/…

    ... more accurate memory access timings for the ZX Spectrum ... xml)
    --------------------------------------------------
    -spectrum128/2A/3: Improved contention timing emulation ... : Restore irq length == 32 / border timings. (#9711) [holub]

    ...
    Luzie Luzie May 2022 Emulators
  • Keys in 48k mode for SpecEmu 1.2?Hello all, Does anyone know how to get the " symbol to appear when in 48k mode on Spec Emu 1.2? As you can imagine, it's pretty essential to be able…

    ... of Marauder. I thought the +2A was the only one that ...
    David David July 2001 Emulators
  • Shadow of the UnicornI've written a program to run Shadow of the Unicorn on a +2A/+3. Is there anywhere it can be put to be available to anyone wanting to play the game?…

    ... of the Unicorn on a +2A/+3. Is there anywhere it ...
    Anonymous Anonymous December 2001 Games
  • another nameless game...I've looked at 3 or 4 other requests for names of games and the response seems to be really good so here's hoping... i had this game where you were …

    ... on my stoopid second hand +2a).
    Anyway i hope some ...
    hugh mann hugh mann November 2001 Games
  • Connect a Discman o soundcard into a ZX to play games without TapesDavid Madrid / Spain Hi: I like to use more my ZX machines but the load times drives my crazy and I dont like to damage the zx cassete player and t…

    ... player to a ZX 128+2A, for example a DISCMAN and ...
    David David January 2002 Sinclair Miscellaneous
  • Spectrum +3 Sound problems.I recently acquired a Speccy+3 but there is a problem with it - the sound output through the TV is badly distorted, especially lower notes. Both the…

    ... have tried my +2 and +2A machines and they both sound ...
    Refrenz Refrenz May 2001 Sinclair Miscellaneous
  • InterferenceCan anyone tell me how to get rid of those horrible lines on the +2a? I'm sure these are interference from something but I just cant get rid of them.…

    ... those horrible lines on the +2a? I'm sure these are ... them if you ran the +2a through a video recorder or ... would love to run my +2a again but these lines really ...
    Anonymous Anonymous January 2001 Sinclair Miscellaneous
  • 35Mhz crystal wantedI am looking for a 35Mhz crystal to replace a missing one on my +2A. If you have one on a damaged spectrum could you let me know? I will pay a smal…

    I am looking for a 35Mhz crystal to replace a missing one on my +2A. If you have one on a damaged spectrum could you let me know? I will pay a small fee of say ?1 if you wish.
    Fraser Fraser December 2000 Sales
  • Any good light gun games!Having aquired my latest 128 machine and got it loading externaly from CD audio (cant stand shoddy unreliable tape!). I am now looking for some good …

    ... it that it was a +2A but it turned out to ...
    Keith Coles Keith Coles March 2002 Sinclair Miscellaneous
  • retroI to have old computers started in 1982 with the rubber key issue 3 spectrum 48k then expanded the collection over the years to include a bbc b, elec…

    ... bbc b, electron, atari st,+2a +3 and a archemides that ...
    sweevo555 sweevo555 April 2002 Sinclair Miscellaneous
  • New SPIN Update released (v0.1c)Hi all (again)! Here's the release for SPIN 0.1c, as detailed in CSS: --------------------------------------- Spin gets another, much smaller …

    ...
    environment, maintaining the 128k timings etc.

    It's ... currently selected hardware and the timings for it.
    48k Usr0 ...
    Dunny Dunny May 2002 Emulators
  • SPIN v0.2c available now[Cut n Paste from the CSS post] Okay, I'm off to sunny(?) Scarborough for a week, so Woody and I thought it best that we give you something to d…

    ... />
    for the original 0.2a, and then unzip the update ...
    Dunny Dunny July 2002 Emulators
  • Yet Another Speccy Quiz (not too hard)OK! I thought I'd chance my arm at one of these things. I must say I've found the recent quizzes WAY too difficult, so I've pitched this one at simpl…

    ... by Ben Elton.

    2a. Name one other Spectrum game ...
    Ed Ed August 2002 Games
  • A Not Very Simple Question....Alas, The tape deck on my dear old +2A is starting to give up the ghost by not reading tapes properly anymore... Does anyone know a way to either fix…

    Alas, The tape deck on my dear old +2A is starting to give up the ghost by not reading tapes properly anymore... Does anyone know a way to either fix it or connect another tape deck externally to it?
    HoraceLeavesAMessage HoraceLeavesAMessage August 2002 Sinclair Miscellaneous
  • Possible missing items...I've been going through some tapes I now have and found at least a couple of interest. I'd be grateful if anyone can give me some feedback before I …

    ... scanning covers :)

    BasicCode 2A - NOS / Jan Bredenbeek / June 1985 ...
    eFrisky eFrisky September 2002 MIA/STP/SDP
  • Emulating startup menuIf the +2A and +3 have the same rom then how does the startup menu display +2A or +3 correctly for the computer?

    If the +2A and +3 have the same rom then how does the startup menu display +2A or +3 correctly for the computer?
    Fraser Fraser October 2002 Emulators
  • ANN: ZXF Issue 2 publishedIssue two of ZXF (free spectrum magazine - PDF format) has now been uploaded and awaits your inspection. The new URL for the site is [url="http://ww…

    ... screen tutorial

    * +3/2A SCART lead project

    woodcock88 woodcock88 October 2002 Announcements
  • printer port redirect to (Windows) system printerIs there any emulator (+2A/+3 compatible) that can be configured to output the, say, parallel printer port to the Windows system port ? The default o…

    Is there any emulator (+2A/+3 compatible) that can be ...
    secarica secarica November 2002 Emulators
  • repairsAnyone know how to fix a dodgy +2A built-in tape deck? Or does anyone know where I can get a spare?

    Anyone know how to fix a dodgy +2A built-in tape deck? Or does anyone know where I can get a spare?
    Tkrap64 Tkrap64 November 2002 Sinclair Miscellaneous
  • Football Director 2Just a quick question. (or 2) Have tried the FD2 versions available on this site, but the one I used to own on +3 disk was slightly different. When…

    ... /> Can anyone confirm that the +2a version did not have this ...
    Anonymous Anonymous November 2002 Games
  • Sinclair Light GunAny idea what it actually does? And how you connect it to a +2A?

    Any idea what it actually does? And how you connect it to a +2A?
    Takashi64 Takashi64 December 2002 Sinclair Miscellaneous
<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

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