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<1…11121314151617…34>
  • ZX-Paintbrush 2.3 publishedDear readers, Today, I published version 2.3 of ZX-Paintbrush. Inspirated by kgmcneil, I decided to follow his ideas and implemented a switchable p…

    ... ]
    [*]Added MLT file format (Timex SCREEN$ with non-alternating attributes ... ..3 switch between the active ULA+ palette (if active), B toggles ... selectors (means transparent).
    [*]The ULA+ and palette options that were ...
    clausjahn clausjahn October 2013 Emulators
  • ZX-Paintbrush 2.3 publishedDear readers, Today, I published version 2.3 of ZX-Paintbrush. Inspirated by kgmcneil, I decided to follow his ideas and implemented a switchable p…

    ... is set to 1 for Timex and 8 for Spectrum.
    ULA+ variations.
    clausjahn clausjahn October 2013 Emulators
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... yet to reverse engineer the ULA, so my next-generation clone ... based on existing hardware?the Timex TC2048. I called it the ... run all existing Spectrum and Timex software. Having sourced the machine ... -in replacement for the original ULA based on it (still in ...
    chev chev October 2013 Sinclair Basic
  • Any HAM8x1 images to share?McLeod_IdeaFix's plug-in ULAplus supports the full ULAplus spec including Timex screens. SpecEmu emulates a machine with 48K timing, ULAplus, and Tim…

    ... ]I was wondering; is the ULA Plus a real device? I ... development. The version without the Timex mode has been incorporated in ...
    chev chev October 2013 Sinclair Miscellaneous
  • Any HAM8x1 images to share?McLeod_IdeaFix's plug-in ULAplus supports the full ULAplus spec including Timex screens. SpecEmu emulates a machine with 48K timing, ULAplus, and Tim…

    ... ULAplus for 48K support also Timex modes ?[/quote]
    Yes. It ... [/youtube]

    [quote]Real Timex would need new SCLD chip ... is just a bug-fixed ULA, built using a different process ... to hook up a ULA to a Timex. Not sure if the ...
    chev chev October 2013 Sinclair Miscellaneous
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... bits
    ld bc, ay_tmxdat ; Timex data port
    jp sound_3 ... ; toggle bit 4
    out (ula), a ; write port
    ld ...
    chev chev October 2013 Development
  • Significant machines by yearI'd roughly divide Spectrum's hardware history into four periods: Sinclair (1980 to 1985), Amstrad (1986 to 1988 ), Russian (1989 to 1996) and Homebr…

    1984 should be also for Timex TC2048, at least in Portugal and Poland.
    And 1985 - Elwro 800 Junior, probably first Harlequin version (ULA built from TTL chips).
    kpuchatek kpuchatek October 2013 Hardware
  • Significant machines by yearI'd roughly divide Spectrum's hardware history into four periods: Sinclair (1980 to 1985), Amstrad (1986 to 1988 ), Russian (1989 to 1996) and Homebr…

    ... ]1984 should be also for Timex TC2048, at least in Portugal ... Junior, probably first Harlequin version (ULA built from TTL chips).[/QUOTE ... it, in favour of some Timex and some Elwro... right...
    skagon skagon October 2013 Hardware
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> xor a ; black
    out (ula), a ; set border
    ld ... bc, ay_reg ; AY register for Timex and 128
    ld a ...
    chev chev October 2013 Development
  • Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …

    But wasn't the 2068 ULA very compatible with the Spectrum? < ... tell the difference when the Timex 2068 ULA (SCLD) was set to ...
    memrah memrah November 2013 Sinclair Miscellaneous
  • Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …

    ... Investronica knew of the new ULA, but chose not to use ... % backwards compatible. ULAplus includes the Timex modes and works fine in ...
    chev chev November 2013 Sinclair Miscellaneous
  • Timex 2068 hi-color / hi-res modes.Hello. I know this is not a Timex forum but since it is a very close relative of the Speccy I thought I'd ask my question here. Does anyone know …

    ... differences because the original ULA uses a single clock ... it in the 128 ULA). So Timex used a clock ... full spec ULAplus including Timex modes as a plug ... fully decoded on the Timex (which gives you more ... the difference when the Timex 2068 ULA (SCLD) was set ...
    chev chev November 2013 Sinclair Miscellaneous
  • Spectrum CP/MHello.. Just out of curiosity, has anyone actually used +3 CP/M for any practical purpose? I remember booting it up a couple of times years ago, jus…

    ... sad when you realise that Timex had already designed all the ... an ASIC version of the ULA, only with the bugs fixed ...
    chev chev November 2013 Sinclair Miscellaneous
  • Spectrum CP/MHello.. Just out of curiosity, has anyone actually used +3 CP/M for any practical purpose? I remember booting it up a couple of times years ago, jus…

    ... an ASIC version of the ULA, only with the bugs fixed ... (ie not for customers like Timex or Sinclair). Commodore had ASICs ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Sinclair Miscellaneous
  • Spectrum CP/MHello.. Just out of curiosity, has anyone actually used +3 CP/M for any practical purpose? I remember booting it up a couple of times years ago, jus…

    ... (ie not for customers like Timex or Sinclair). Commodore had ASICs ... names at face value a ULA is a kind of ASIC ... .e. whether it is a ULA or fully custom silicon. Nor ...
    guesser guesser November 2013 Sinclair Miscellaneous
  • Getting close to a release: Android SpectaculatorJust a few more bits to tidy up then I'm done :) [IMG]http://www.spectaculator.com/download/misc/PlayStore.jpg[/IMG] Should mean people can top sen…

    People have certainly made ULA Plus hardware and the software ... here who don't consider Timex or Amstrad machines to be ...
    Matt_B Matt_B December 2013 Emulators
  • Why are multicolour engines only able to be made now?Now I'm no programmer, but, how come multicolour engines are only being created/designed now? I know there were Rainbow Graphics used in games in the…

    ... spectrum +2 came with a timex graphics mode[/QUOTE]


    A screen mode like ULA Plus would have been fantastic ...
    ewgf ewgf January 2014 Brand new software
  • Timex video mode & SamCoupe sound chip.Hi, people! I propose a solution which allows to use sound chip SamCoupe SAA1099 jointly with computers Timex 2048/2068. Everyone knows that these de…

    ... writeable port #xxFF.
    - TIMEX 2048/2068 use writeable port ... interrupt 50Hz. After interrupt ULA generate top border area on ... and graphic modes switching on TIMEX computer invisible. If SAA ... interrupt and return before ULA start generating graphic screen ...
    velesoft velesoft February 2014 Hardware
  • Timex video mode & SamCoupe sound chip.Hi, people! I propose a solution which allows to use sound chip SamCoupe SAA1099 jointly with computers Timex 2048/2068. Everyone knows that these de…

    ... writeable port #xxFF.
    - TIMEX 2048/2068 use writeable port ... interrupt 50Hz. After interrupt ULA generate top border area on ... and graphic modes switching on TIMEX computer invisible. If SAA ... interrupt and return before ULA start generating graphic screen ...
    Black_Cat Black_Cat February 2014 Hardware
  • We could design the LokiWouldn't it be great... if this community would develop what Sinclair himself started but was never finished: a successor of the 128K with 'cartoon l…

    ... tape I/O, Kempston Joystick, ULA+ (with Timex modes) and DivMMC.
    phoenix^ra phoenix^ra March 2014 Hardware
  • We could design the LokiWouldn't it be great... if this community would develop what Sinclair himself started but was never finished: a successor of the 128K with 'cartoon l…

    ... I/O, Kempston Joystick, ULA+ (with Timex modes) and DivMMC.[/QUOTE]
    BiNMaN BiNMaN March 2014 Hardware
  • We could design the LokiWouldn't it be great... if this community would develop what Sinclair himself started but was never finished: a successor of the 128K with 'cartoon l…

    ... I/O, Kempston Joystick, ULA+ (with Timex modes) and DivMMC.[/QUOTE]
    retrogod retrogod March 2014 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    [QUOTE=joefish;764316]If the ULA+ lets you switch the normal ... a feature inherited from the Timex.

    [quote]But to ... ULAplus should work fine on ULA-based 128s. A different approach ... hi-res mode, well, the ULA+ spec does actually say you ...
    chev chev April 2014 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... rolled into the ZX81's ULA. But it does have the ... it can. There's a Timex program that will load a ...
    chev chev April 2014 Hardware
  • How much would you pay for this FPGA clone?...given that a mint 128 goes for around ?125. [img]https://dl.dropboxusercontent.com/u/15659782/chloe280seboxed.jpg[/img] Features: [list] [*]100%…

    ... the states[/quote]
    The ULA core is certainly capable of ... being able to run most Timex software, it may be of ... interest to Timex owners in Canada and the ...
    chev chev May 2014 Hardware
  • Fuse 1.1.1 releasedOn behalf of the Fuse team, I am pleased to announce the 1.1.1 release of Fuse. The changes from the recent 1.1.0 are relatively minor, mostly correc…

    ... is part of the ULA and the ULA is contended.

    ULA+ ports...[/QUOTE]

    Well ... timings instead of the Timex timings for his Timex emulation it was ...
    chev chev May 2014 Emulators
  • Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…

    ... changes for different models of Timex.[/QUOTE]

    ... is all about the Timex Sinclair 2068, and a ... the SCLD, Timex's version of the Sinclair ULA.
    ... only appears in the Timex Sinclair 2068. The section ... - $7FFF on a Timex is contended, whether it is ...
    rga24 rga24 May 2014 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... spectrum with an internal ULAplus ULA fitted ie double contention. :o ... shadow screens or even the timex modes. as long as the ...
    Basher Basher May 2014 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... the shadow screen from the Timex (with optional ULAplus palette). 8x1 ... spectrum with an internal ULAplus ULA fitted ie double contention. :o ... shadow screens or even the timex modes. as long as the ... Chloe 280SE video modes? (The Timex modes in Bank 5 or ...
    chev chev May 2014 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... palette-switching and Timex-multicolour functions from the ULA+ specification[/B].
    ULA+ upgrades, it would have ... probably be best if the ULA+ OUT commands that control ... without much support. And yet ULA+ seems to be something ...
    retrogod retrogod May 2014 Hardware
<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
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    rich_chandler on April 21
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    harriusherbartio on April 21
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