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  • zesarux emulator > pc keyboard mappingSorry that this is so trivial but I cannot find the "=" key which is fairly important

    ... slices and and the Spectrums floating bus.

    The program by ...
    moggy moggy May 2021 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[/…

    ... /> - 7913: spectrum.cpp: Restored floating bus read functionality; bus/spectrum: Added two devices ... /> -zx spectrum: new slot devices, floating bus restore, big mface tidy-up ...
    Luzie Luzie February 2022 Emulators
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... earlier though (and he used floating bus in Cobra to start drawing ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Issue 3 expansion connector problemI am having problems with an issue 3 Spectrum, that otherwise works fine, but does not recognize either the Interface 1 or DivMMC/Enjoy (which are bo…

    ... having problems with an issue 3 Spectrum, that otherwise works fine ... that no connector pins are floating expect the unused ones. I ... otherwise works, there are no bus shorts. Anybody have an idea ...
    Tuukka Tuukka September 2014 Hardware
  • ZX Spin 0.3 ReleasedStandard Cut'n'Paste from CSS post again! I can't get to my webpage, so I've uploaded SPIN0.3 to WOS, Alt.Binaries.Comp.Sinclair, and also Daren Pea…

    ... , so I've uploaded SPIN0.3 to WOS, Alt.Binaries.Comp ... make it to this release - Woody's working on it, but ... this release:

    V0.3 - Rewrite
    --------------

    Emulation ...
    Dunny Dunny September 2002 Emulators
  • Woody?s Tape2wav tested[quote] I've uploaded a new version of Tape2WAV to the same URL as given above. Any chance of giving this version a quick test? [/quote] Hi Woody, …

    ... ?
    [/quote]

    Hi Woody,

    after three months ... /> Frost Byte
    Boulder Dash 3
    [/list]

    [B ...
    de Vandemar Croup de Vandemar Croup February 2006 Development
  • Printers for Spectrum +2 and +3It seems that the only printers availables for ZX Spectrum were ZX printers and compatibles (connected through the expansion bus), but Spectrum +2 an…

    ... through the expansion bus), but Spectrum +2 and +3 had centronics compatible ...
    Zup Zup April 2007 Hardware
  • The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…

    ... most of the address bus to facilitate bus indirect mode. According to ... supports two parallel modes - bus direct mode (where the chip ... want to access, and address 3 is used to transfer data ... do two LDIRs if necessary). Bus direct mode means accessing registers ...
    Winston Winston November 2007 Hardware
  • ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…

    ... the 5-byte -> Floating point conversion routine which caused ... 8x8 pixels, which caused problems. (Woody)
    Fixed - Setting a ... strange behaviour whilst editing graphics. (Woody)
    Fixed - The Parser ... line/statement number (9999:3) to crash the the ...
    Dunny Dunny February 2008 Emulators
  • Dangerous Allram Mode On +2a / +3ZX Spectrum 128+2A and +3 support allram feature on port 1FFD. On this ZX models is very dangerous set allram if is connect any interface with extern…

    ZX Spectrum 128+2A and +3 support allram feature on port ... both ROMOE signals on ZX bus and connect external memory rom ... /ram to data bus. If in this time is ... is without effect (ZX+2A/+3 can't disconnect ram) and ...
    velesoft velesoft December 2008 Hardware
  • 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…

    ... spent the last 3 years at least floating round the toyroom ... ... the first test was a bus test, this tells the pseudo ... A14 error. With the bus test passing I moved ... that the databus and address bus were fine, or at ... least the address bus up to the lines ...
    Womble Womble August 2010 Hardware
  • Broken keyboard due to broken ULARecalling csmith's thread about dead ULAs, a thread appeared in the Zonadepruebas (Spanish) forum regarding... a dead ULA, but only a partially dead …

    ... there was weakness driving the bus, in other words that ... ULA puts on the bus wasn't sufficiently strong ... to put the circuit "floating" on top of whatever ... PIN 2 = IORQ;
    PIN 3 = RD;
    PIN 4 = ... tristate buffer plus a 3 input OR gate to ...
    Winston Winston October 2010 Hardware
  • DIVIDE PLUS - ZX bus protectorI make new ZX BUS PROTECTOR for use with DIVIDE PLUS interface. This is very small "convertor" for connection to new ZX BUS connector. PCB contain on…

    ... for connection to new ZX BUS connector. PCB contain only ... possible connect to new ZX BUS any interface (interface 1 ... signals on ZX 128/+2A/+3 is disconnect = external ... Spectrum 128+2A/+2B/+3 with DIVIDE/DIVIDE PLUS ... using allram mode on +3 will work with DIVIDE/ ...
    velesoft velesoft November 2010 Hardware
  • Which do I get? divide or Multiface 3?Hi, Having come back into the scene after s short 20 year break(!) I've obtained a +3 (needs new drive belt),+2 and a toast rack. tapes have been fi…

    ... break(!) I've obtained a +3 (needs new drive belt),+2 ... 3 for the +3 when what I've read about divide+ plus bus ...
    xbomber xbomber June 2011 Hardware
  • SpecEmu 3.0Has anyone else noticed that Woody's released a version 3.0 of SpecEmu? Nope? Just me then... :D

    Has anyone else noticed that Woody's released a version 3.0 of SpecEmu?

    Nope? Just me then... :D
    ccowley ccowley January 2012 Emulators
  • MacSpecEmu 3.0For Intel Mac owners who want to run SpecEmu but don't want the faff of installing WINE, here's a standalone version: [url]http://dl.dropbox.com/u/1…

    ... .dropbox.com/u/15659782/MacSpecEmu-3.0.b270412.zip[/url]

    And if Woody releases a new version you ...
    chev chev April 2012 Emulators
  • SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…

    ... signals available on the expansion bus. This allows the Spectrum ... , full width gold plated expansion bus.
    [*] A set of ... Disney) [8x1 DE mode] | Mass: Floating City (John Harris) [8x1 DE ... www.alisoneldred.com/thumbsJohnHarris-Prints-3-1.html"]John Harris[/ ...
    Fruitcake Fruitcake April 2013 Hardware
  • New ZX BUS PROTECTOR / +3 FIXER BOARDNew version of ZX BUS PROTECTOR: [URL="http://velesoft.speccy.cz/protector.htm"]http://velesoft.speccy.cz/protector.htm[/URL] [IMG]http://velesoft.s…

    New version of ZX BUS PROTECTOR:
    [URL="http://velesoft ... velesoft.speccy.cz/other/zx-bus-protector/IMGP6977-protector-universal-romoe1top ... php?t=31925&highlight=bus+protector"]http://www.worldofspectrum.org ... php?t=31925&highlight=bus+protector[/URL]
    velesoft velesoft August 2013 Hardware
  • Diodes placed the opposite way in +2A/+3 PCB'sI was just going to report this as a mistake in the schematics drawn by Guesser, but I saw a real board and realize that the schematics are right. […

    ... diodes that isolate the address bus from the keyboard row ... remain the same in the +3,... does this mean that ... the +3 gate array outputs the inverted ... MA7 also drive the address bus for non contended RAM. ... or only for I/O bus cycles, or .. there's ...
    mcleod_ideafix mcleod_ideafix September 2013 Hardware
  • Less MIA - Plus-3-Mate (1989)(LERM Software)[+3 disk]Hi All, %subj side a samdisk disk image: [URL="http://forest.no-ip.org/wos/p3m/Plus-3-Mate%20(1989)(LERM%20Software)(Side%20A)%5Bsamdisk%5D.dsk"]h…

    ... ip.org/wos/p3m/Plus-3-Mate%20(1989)(LERM%20Software ... ip.org/wos/p3m/Plus-3-Mate%20(1989)(LERM%20Software ... ip.org/wos/p3m/Plus-3-Mate%20(1989)(LERM%20Software ... ip.org/wos/p3m/Plus-3-Mate%20(1989)(LERM%20Software ... t have problems at all :) Woody's specemu don't have ...
    gorski gorski October 2014 MIA/STP/SDP
  • Converting a 16K speccy in +3??Yes, you heard right. A new interface to convert a 16Kb speccy into a Spectrum+3 have been developed. [IMG]https://lh6.googleusercontent.com/N2eAoz5…

    ... 16Kb speccy into a Spectrum+3 have been developed.

    - Expansion for the bus.
    - divIDE compatible
    - Add ... a 16Kb speccy in a +3 is the floppy interface. It ...
    wilco2009 wilco2009 December 2014 Hardware
  • Fire Ruby - More HelpI cant pass the spikes in the fire ruby by lawrence creighton, can someone please help? [ This Message was edited by: welsh_brawler on 2003-08-08 21…

    ... and pluck a{6}floating tumbler from the water ... MESSAGE 3
    DONE

    IN BUS AT ...

    IN BUS AT 15
    CARRIED 18 ...
    BadBeard BadBeard August 2003 Games
  • SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …

    ... the ULA... the details Woody posted on this to CSS ... br />
    [quote]
    3. Also I have a lot ... 4;pc+1:5;io:3. But in the official ... the 'address on data bus' effect mentioned above complicates things ... would like to thank both Woody and Jon Needle for ...
    Philip Kendall Philip Kendall May 2004 Emulators
  • InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…

    ... I*256+2/I*256+3. BUT, if odd ids were ... z80 reads whatever is floating on the bus at the time, usually ... $ff was always on the bus when the z80 was looking ... , R reg) on the address bus and this fools the ula ...
    Alcoholics Anonymous Alcoholics Anonymous February 2005 Development
  • I/O contention model questionHi everyone, Sorry for my poor english. Together with a friend we are working on ZX Spectrum 48k implemented in FPGA. We have found bug in the Spect…

    [QUOTE=Woody;169859]The FAQ is correct ... memory. ULA puts on the bus proper data (from keyboard and ... EAR).
    3. Now next cycle, We are ... , because it can mantain proper bus content for a while.
    brian-82 brian-82 February 2007 Development
  • Look what I got!Look what I just got in the post: [url]http://www.alioth.net/tmp/W5100.jpg[/url] But, please... don't hold your breath :-) Coming to an edge connec…

    ... /> Various schemes that have been floating through my head include: make ... memory mapped mode versus indirect bus mode doesn't really affect ... lines, and there's only 3 chips).

    But that ...
    Winston Winston October 2007 Hardware
  • Look what I got!Look what I just got in the post: [url]http://www.alioth.net/tmp/W5100.jpg[/url] But, please... don't hold your breath :-) Coming to an edge connec…

    ... /> Various schemes that have been floating through my head include: make ... memory mapped mode versus indirect bus mode doesn't really affect ... lines, and there's only 3 chips).
    [/QUOTE]

    LaesQ LaesQ October 2007 Hardware
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... simply stating each machine's floating point representation in a table ... compared to the thousands of floating point operations inside the ... may also suffer from some bus contention caused by video refresh ... is no faster than the 3.5MHz Spectrum.

    ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Sinclair Basic
  • 48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…

    ... .

    4) The +3 (and therefore +2A/B) modified ... 255 is used the bus is left floating and will pick ... .

    11) The +3/+2A/B models have port ... between the 128/+2 and +3/+2A machines. Annoyingly the ... the 128/+2 and +3/+2A machines. This would ...
    Jimmy Jimmy June 2008 Games
  • My annoying computer threadAs i have just purchased my first computer i thought id start a thread where i can ask you all anoying and possibly simple questions. first off ive …

    ... PC to last at least 3-4 years of heavy gaming ... of dodgy capacitors that were floating around the world at the ... being caused by an obsolete bus, or obsolete processor socket, or ...
    The Starglider The Starglider August 2009 Chit chat
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