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<1234567…34>
  • ULA BookI've just had an email stating that my ULA book is "in the post" - yay! Well done Mr Smith for all the hard work on this.

    I've just had an email stating that my ULA book is "in the post" - yay! Well done Mr Smith for all the hard work on this.
    MrCheese MrCheese August 2010 Hardware
  • ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…

    ula book is here:

    [url]http://www.zxdesign.info/book/[/url]
    was readinfg the ula book and this is not described ... as ula snow - the description of that ... which is what i thought ula snow was whereas that is ...
    Roger Jowett Roger Jowett September 2010 Hardware
  • csmith talks about games/ULA book on EITBHere is what looks like a very rough edit, courtesy of EITB (Basque country TV) with Chris Smith about the ULA book and game engines of back in the d…

    ... ) with Chris Smith about the ULA book and game engines of back ...
    Winston Winston July 2011 Sinclair Miscellaneous
  • The ZX Spectrum ULA bookFound a copy of the ZX Spectrum ULA book by Chris Smith that I've never read. This is a new book that was given to me years ago and I've never got ro…

    ... copy of the ZX Spectrum ULA book by Chris Smith that I ... read. This is a new book that was given to me ...
    Mr Millside Mr Millside October 2020 Sales
  • ULA Book - Target Audience?This is probably of most intrerest to hardware chaps, but a greater community input would be good. I've been turning all my ULA analysis into a love…

    ... all my ULA analysis into a lovely book called "The ... Sinclair ZX Spectrum ULA". I' ... would be interested in this book?[/B]
    - I ... br /> [B]2) Should the book be more of a "Workings ... of the Spectrum" book?[/B]
    - I ...
    csmith csmith May 2008 Sinclair Miscellaneous
  • Spectrum ULA Book AnnouncementFurther to getting inside the ULA, I've turned my ramblings and lab book into a more professional book that you can all own! I'm putting a lot of ef…

    ... inside the ULA, I've turned my ramblings and lab book into ... a more professional book that you can ... [url]http://www.zxdesign.info/book/bookAnnounce.shtml[/url]

    csmith csmith December 2008 Hardware
  • ULA Book Price - Feedback PLEASEThe book is coming together very nicely, and I am in the process of kicking off all the administration tasks like getting ISBN numbers and setting up…

    The book is coming together very nicely, ...
    csmith csmith February 2010 Sinclair Miscellaneous
  • ZX ULA Book releaseThe book is complete and with the printer. Once the proof copy is back and checked, and assuming no changes are required, I'll start shipping all you…

    The book is complete and with the ...
    csmith csmith July 2010 Sinclair Miscellaneous
  • Retroleum Nebula - A Spectrum ULA replacement moduleHey you guys.. Just wanted to mention a new Spectrum doobrie created by myself (Phil Ruston) and Alessandro Dorigatti: Namely, the Nebula - A Spec…

    ... , the Nebula - A Spectrum 48 ULA replacement module. You can read ... .uk/electronics-articles/nebula-spectrum-ula-chip-replacement-module/

    ULA book:)

    Cheers,
    --
    Retroleum Retroleum April 2016 Hardware
  • Interface 1 ULAIs there a technical description of the functionality of the Interface 1 ULA, similar to the "The ZX Spectrum ULA" book? Specifically, what is the…

    ... to the "The ZX Spectrum ULA" book?

    Specifically, what is ... the ROMEN lines of the ULA? Superficially, ROMCS feeds into the ...
    Jonathan Harston Jonathan Harston December 2021 Hardware
  • 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
  • First Contact - New Isometric GameIt was about time I did something software-wise! I took a bit of a break from writing the ULA book, and have come up with a new game. Work is very mu…

    ... a break from writing the ULA book, and have come up with ... /> I'm back on the book for a bit, but will ...
    csmith csmith October 2009 Development
  • 128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…

    Reading the ULA book has reminded me of something.< ... the CPU to fix a ULA bug (p71). The following diagram ... hardware patch that disables the ULA when A7=0?
    Ta ...
    Jonathan Harston Jonathan Harston September 2010 Hardware
  • Definitive Replay Attendance List 2011There's not too long to go until Replay 2011 in Blackpool, so I thought I would make a separate thread to list WOS members who say they're going to t…

    ... of the definitive ZX Spectrum ULA book, ISBN-13:978-0-9565071 ...
    Spector Spector October 2011 Announcements
  • Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…

    ... the basis for understanding the ULA, and all the timing quirks ... Smith did to produce the ULA book).

    Some pictures here ...
    Winston Winston January 2012 Hardware
  • JSpeccy v0.91A new JSpeccy version has been released. Summary of changes, - The keyboard has been reassigned: Both SHIFTs == Caps Shift Both CTRLs == Symbol Shi…

    ... described by csmith in his ULA Book with a more wide border ...
    zx81 zx81 June 2012 Emulators
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... is generated by the ULA, Chris Smith's ULA book shows it simply ...
    Winston Winston August 2012 Hardware
  • Brief report on Retroma?Well, that's the last retro event of 2012 for me at least - five days of Retroma??a have just come to a close. This event is held as part of the Wee…

    ... such as Chris Smith's ULA book.

    [img]http://photo ...
    Winston Winston November 2012 Sinclair Miscellaneous
  • TV Pal, odd and even framesI have been researching, but haven't found any real interesting information on this subject, so far. What I mean is, since TV PAL signal is interl…

    ... (odd or even) the ULA is currently pushing out ?"
    ULA snow effect, and maybe prevent ... external hardware, matching the addresses ULA is fetching at the end ... />
    I have bought the ULA book, but have not started reading ...
    RMartins RMartins August 2015 Development
  • New version emulator ZEsarUX-4.0Hi I have uploaded a new version of my emulator ZEsarUX 4.0. You can download it from the project web page: http://sourceforge.net/projects/…

    ... Redefine keys setting
    Added ULA early/late timings setting
    ULA" book
    Fixed cursor keys reading ...
    chernandezba chernandezba March 2016 Emulators
  • Looking for advice on building a HarlequinNew member here. From the US. My first computer was a Timex Sinclair 1000 back in the early 80s (in fact, I got one of the first batches sold in th…

    ... 've purchased Chris Smith's ULA book and am anxious to check ...
    msansom msansom February 2017 Hardware
  • specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…

    ... read .. trying to read the ULA book by chris smith .. very good ... book but i get confused and ...
    mark8bit mark8bit August 2021 Hardware
  • ULA Replacement WORKS !Hi chaps. Lots of activity over the last couple of weeks, and _finally_ we have [B]a working ULA replacement[/B] !! The analogue components such …

    ... that you can replace the ULA, how small could you make ... one as the Z80 and ULA.... but we'll see. The ... and write chunks of the ULA book, and I'll put together ...
    csmith csmith May 2008 Hardware
  • People holding back the emulation sceneAs mentioned once again in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=22690"]this thread[/URL], some people think Ramsoft willfully…

    ... the last chapter of his book, "Surely you must be joking ... /> Accurately finding out what the ULA is doing is quite an ... array configuration documents for the ULA...and not many people have ... looking forward to csmith's ULA book :-)
    Winston Winston November 2008 Emulators
  • Hiive Books and the economy...Hehe... Scared you (or maybe not)... It's just as well I'm not in it for the money! I've been upgrading the database over the weekend to allow me t…

    ... ;333577]Would Chris Smith's ULA book be something Hiive would consider ... ]What about an Amstrad CPC book - I've got an idea ... interest) in the other Amstrad book that someone was working on ...
    andrew_rollings andrew_rollings February 2009 Chit chat
  • 2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…

    ... />
    I'm writing the ULA book at the moment, but every ... this year. but first, the book.

    Regards
    csmith csmith August 2009 Hardware
  • 2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…

    ... />
    I'm writing the ULA book at the moment, but every ... this year. but first, the book.

    Regards[/QUOTE]
    Cignale Cignale August 2009 Hardware
  • Spectrum +2 datacorderHi, my Spectrum +2 datacorder isn't working. Does anyone know if I can still load software through the tape/sound socket at the back of the machine i…

    ... impossible because no one sells ULA for +2A.[/QUOTE]

    ULA book is out it is possible ... someone will clone the +2A ULA.
    chev chev September 2009 Hardware
  • First Contact - New Isometric GameIt was about time I did something software-wise! I took a bit of a break from writing the ULA book, and have come up with a new game. Work is very mu…

    [QUOTE=Ralf;396147] And that speed.. [/QUOTE]

    No collision detection yet?

    anyway, it looks good. (Ula book will be a breakthrough also!)
    Arda Arda October 2009 Development
  • First Contact - New Isometric GameIt was about time I did something software-wise! I took a bit of a break from writing the ULA book, and have come up with a new game. Work is very mu…

    ... />
    anyway, it looks good. (Ula book will be a breakthrough also ...
    csmith csmith October 2009 Development
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
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    mel the bell on April 21
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  • ULA Book - Target Audience?This is probably of most intrerest to hardware chaps, but a greater community input would be good.<br /> <br /> I've been turning all my ULA analysis…
  • Spectrum ULA Book AnnouncementFurther to getting inside the ULA, I've turned my ramblings and lab book into a more professional book that you can all own!<br /> <br /> I'm putting…
  • Sinclair Spectrum ULA BookAnnounced in the Hardware forum, but might be interesting to others:<br /> <br /> [url]http://www.worldofspectrum.org/forums/showthread.php?p=324213[…
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