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  • Games not compatible with real grey +2There are many threads about Spectrum+3/2A incompatibility issues but what about grey +2? I've found that games like Marauder and Skate Crazy don't w…

    ... 16k spectrum has nothing but contended ram and its prorgrams run ...
    Jmk Jmk January 2010 Games
  • Games not compatible with real grey +2There are many threads about Spectrum+3/2A incompatibility issues but what about grey +2? I've found that games like Marauder and Skate Crazy don't w…

    ... believe that code executed in contended RAM could increase the likelihood ...
    Arjun Arjun January 2010 Games
  • Converting games from tap to dskHi to all from Greece, Being an old Speccy user and now owner of most models of Spectrum (48k , 48k+ , 128K, +2 grey and +3) , I desided to salvage m…

    ... /> Looks like data is in contended banks on +2a/+3. Could ...
    FrankT FrankT January 2010 Emulators
  • Game Boy Advance EmulationI've finally got myself a GBA flash cartridge and programmer. I've put ZXAdvance on it and I like the setup. Mildly disappointed that it doesn't ha…

    ... attempt to deal with the contended memory, so in that sense ...
    thehive thehive January 2010 Emulators
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... the game itself (use the contended memory for front-end or ...
    bobs bobs January 2010 Development
  • Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…

    ... in the non-contended back buffer, only hitting contended memory when you ...
    csmith csmith February 2010 Development
  • Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…

    ... a back buffer in non-contended RAM and add dirty cell ...
    Paradigm Shifter Paradigm Shifter February 2010 Games
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... going somewhat faster due to contended memory not being yet emulated ...
    Madonna Mk 2 Madonna Mk 2 February 2010 Emulators
  • Where are the spectrum?Hi guys, SINCLAIR made over 1000000 spectrums, where the hell are they?

    ...
    2 TS2068
    1 TC2048
    1 TC2068
    1 ...
    zxbruno zxbruno February 2010 Sinclair Miscellaneous
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... program that relies on accurate contended memory/floating bus emulation will ...
    Madonna Mk 2 Madonna Mk 2 February 2010 Emulators
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... ]

    After dealing with contended memory and the floating bus ...
    Madonna Mk 2 Madonna Mk 2 March 2010 Emulators
  • TIMEX SINCLAIR 2068 (Silver)Finally I've got it: [img]http://8bitcollective.com/items/images/Timec2068.png[/img] (and you, Bruno, thought I would never get one ;) ). The pl…

    ... to replace TS2068 ROM into TC2048 ROM (ZX48K).

    We ... ) and put there instead the TC2048 ROM chip.

    The ...
    Mister Beep Mister Beep March 2010 Hardware
  • TIMEX SINCLAIR 2068 (Silver)Finally I've got it: [img]http://8bitcollective.com/items/images/Timec2068.png[/img] (and you, Bruno, thought I would never get one ;) ). The pl…

    ... ) and put there instead the TC2048 ROM chip.

    The ...
    Hernán Pablo Álvarez Hernán Pablo Álvarez March 2010 Hardware
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... (i.e. still no accurate contended memory/floating bus emulation.)
    Madonna Mk 2 Madonna Mk 2 March 2010 Emulators
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... on the following release. Real contended memory, floating bus and machine ...
    Madonna Mk 2 Madonna Mk 2 March 2010 Emulators
  • Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…

    ... is doing something with non contended memory, and no VRAM data ...
    mcleod_ideafix mcleod_ideafix March 2010 Hardware
  • Is there any video input on expansion bus?Imagine you want to build a custom display hardware, for instance, to add hardware sprites to display. Is it possible to design such a device so that…

    ... is doing something with non contended memory, and no VRAM data ...
    Alcoholics Anonymous Alcoholics Anonymous March 2010 Hardware
  • Spectrum 2-3 times more powerfull than MSX?![url]http://www.youtube.com/watch?v=2-kI0urN9tI#t=8m18s[/url]

    ... [/i] of waitcycles to any contended memory (aka screen) accesses :-)
    Philip Kendall Philip Kendall March 2010 Sinclair Miscellaneous
  • Spectrum 2-3 times more powerfull than MSX?![url]http://www.youtube.com/watch?v=2-kI0urN9tI#t=8m18s[/url]

    ... will be corruption. Outside the contended zone, there's no need ...
    Metalbrain Metalbrain March 2010 Sinclair Miscellaneous
  • CPI emulationI'm currently writing Sinclairean's emulation assembly for the CPI/CPD/CPIR/CPDR instruction group. Does anybody know what exactly the behavior of th…

    All 5 are contended (48K/128K ULAs, not for the +2a/+3) with contention based on the address in HL. And there is no write as you say :)

    The same goes for the extra 5 for the repeating varieties.
    Woody Woody March 2010 Emulators
  • CPI emulationI'm currently writing Sinclairean's emulation assembly for the CPI/CPD/CPIR/CPDR instruction group. Does anybody know what exactly the behavior of th…

    ... is why all those IR contended cycles have an effect also ... wiki - the final ir:1 contended cycle for LD I,A ...
    Woody Woody March 2010 Emulators
  • Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…

    ... the stack to be in contended ram so a better location ...
    Alcoholics Anonymous Alcoholics Anonymous March 2010 Emulators
  • RS 232 Spectrum +2 pinoutWhat is the pinout for the Spectrum +2 RS 232 jack? Micky

    ... or clone with joystick port (TC2048, TS2068, etc.). Instead of just ...
    zxbruno zxbruno March 2010 Hardware
  • Be honest now...When you got your (first) Spectrum, was it the computer you wanted? And don't worry, this poll is anonymous, so your secret is safe, even if you're …

    ... with my other cousin's TC2048, FDD3000 and RGB monitor. Add ...
    zxbruno zxbruno March 2010 Sinclair Miscellaneous
  • Mistake in the 128K technical FAQ?[url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url] [quote]Memory banks 1,3,5 and 7 are contended.[/quote] Really? I thought i…

    ... the slight speed loss of contended RAM. It loads a number ...
    ajmoss ajmoss April 2010 Hardware
  • Mistake in the 128K technical FAQ?[url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url] [quote]Memory banks 1,3,5 and 7 are contended.[/quote] Really? I thought i…

    ... the slight speed loss of contended RAM. It loads a number ... ROM routine runs, then (possibly contended) RAM should only be accessed ... when loading or saving to contended RAM. And on 16K/48K ... to the lower 16K RAM (contended). On 16K models, that's ...
    RetroTechie RetroTechie April 2010 Hardware
  • Mistake in the 128K technical FAQ?[url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url] [quote]Memory banks 1,3,5 and 7 are contended.[/quote] Really? I thought i…

    ... allow for the possibility of contended RAM.
    ajmoss ajmoss April 2010 Hardware
  • IM2 Loading on +3EHi there Speccy Guru's, As some of you know, I've spent a while building the ultimate image for +3e, it's currently at 6000+games and demos and i've…

    ... longer/shorter due to different contended ram banks on newer/older ...
    nuggetreggae nuggetreggae April 2010 Development
  • Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…

    Hello.
    Sadly I don't know anything about hardware but I know that Velesoft is interested in TC2048 too. And he's a real hardware-man. ;)
    Try to contact him:
    sprinter2000(a)quick.cz
    Mister Beep Mister Beep April 2010 Hardware
  • Timex 2048 documentsHi, I got Timex 2048, seems to work, but no colors on screen :cry:. Neither TV out, nor Composite works. ULA fault ? It seems TC 2048 uses MC 1377 a…

    ... change the chip.
    The TC2048 edge connector is the same ...
    Gods Gods April 2010 Hardware
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