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<1…14151617181920…34>
  • Speccy emulation with R4 - DSpec, ZXDS & SpeccyDS...Finally got an R4 card up & running, and I've installed DSpec, ZXDS & SpeccyDS onto it, but I've a couple of questions I'm hoping somebody can help w…

    ... it nevertheless. The features include contention and floating bus emulation, accurate ...
    Daren Daren October 2007 Emulators
  • Speccy emulation with R4 - DSpec, ZXDS & SpeccyDS...Finally got an R4 card up & running, and I've installed DSpec, ZXDS & SpeccyDS onto it, but I've a couple of questions I'm hoping somebody can help w…

    ... it nevertheless. The features include contention and floating bus emulation, accurate ...
    Daren Daren October 2007 Emulators
  • MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]

    ... />
    The +3 has no contention outside of paper areas. It ... with 16x8 cycle sequences of contention, but with 7 cycles out ...
    Woody Woody October 2007 Hardware
  • MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]

    ... ;221119]The +3 has no contention outside of paper areas. It ... with 16x8 cycle sequences of contention, but with 7 cycles out ...
    omega omega October 2007 Hardware
  • Compatible SpectrumsFollowing some recent coding exploits I've been thinking about compatibility of various models of ZX Spectrum. Yes, it's a common question on the for…

    ... all... due to the memory contention issues. The +2a/+3 had ... also the issue of different contention timings to the "original" models ... can't change the hardware contention, surely.


    Of ...
    ingo ingo October 2007 Hardware
  • How Spectrum changed our livesHave you ever thought about how Speccy changed your lives? Just imagine all of us in our youth age without Manic Miner or Knight Lore, without that…

    ... .com"]Ruimac[/URL] programming that TC2048 for hours in a row ...
    zxbruno zxbruno October 2007 Sinclair Miscellaneous
  • The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…

    ... )
    - I was still applying contention emulation in a place where ... I shouldn't when "no contention" was selected. Now the no ... contention mode will be less precise, ... a bug that made port contention not to be applied in ...
    Metalbrain Metalbrain October 2007 Emulators
  • Oxford Speccy meetup, October 20th[b]Update:[/b] Date and venue decided - The Gloucester Arms, from 2pm, 20 October 2007. Full details: [url]http://matt.west.co.tt/spectrum/oxford-spe…

    ... Life, the Universe, and Memory Contention on the Harlequin (aka Bomb ...
    Winston Winston October 2007 Sinclair Miscellaneous
  • SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…

    ... things like RST#8 trap contention can't be sorted out ...
    Winston Winston October 2007 Hardware
  • FPGA Spectrum is aliveMy FPGA Spectrum that I started to work on year ago is in 90% ready. I have fixed DDR controller so I can read from it and write to it. I've run som…

    ... will compare them with original TC2048 as I don't trust ...
    brian-82 brian-82 November 2007 Development
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    D., have you done something to the contention? Because Aquaplane is running with the lower border approx 4 pixels too high.
    rich_chandler rich_chandler November 2007 Emulators
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    I believe Marko accidently disabled contention :-)
    Philip Kendall Philip Kendall November 2007 Emulators
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    [QUOTE=karingal;224781]D., have you done something to the contention? Because Aquaplane is running with the lower border approx 4 pixels too high.[/QUOTE]

    Some people are never happy! :-) :-) :-) :-)
    BloodBaz BloodBaz November 2007 Emulators
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    [quote=Philip Kendall;224783]I believe Marko accidently disabled contention :-)[/quote]
    Accidently? :lol:
    rich_chandler rich_chandler November 2007 Emulators
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    Phil is indeed right - ZXSpin passes his contention tests no problems now that marko has turned contention back on :-)

    I've also discovered a bug in the sound, which will be fixed for 0.667 (coming soon!).

    D.
    Dunny Dunny November 2007 Emulators
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... failed (0x01)
    High port contention 1... passed
    High port ... contention 2... failed (0xfd)

    contention 2' but is otherwise the ... In 48K mode 'High port contention 2' passes (and is otherwise ...
    gasman gasman November 2007 Hardware
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... how do you explain that TC2048 does not suffer from it ...
    brian-82 brian-82 November 2007 Development
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... )
    High port contention: passed
    High port contention 2: failed (0x02 ...
    Jon Needle Jon Needle November 2007 Hardware
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... ... failed (0x01)
    High port contention 1... passed
    High port ... contention 2... failed (0xff)

    ... ... failed (0x02)
    High port contention 1... passed
    High port ...
    Mr. Anonymous Mr. Anonymous November 2007 Hardware
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... memory... passed
    High port contention 1... passed
    High port ...
    gasman gasman November 2007 Hardware
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... the results expected for having contention starting one tstate later than ...
    Philip Kendall Philip Kendall November 2007 Hardware
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... ]

    Note that the TC2048 at least displays the snow ...
    Fred Fred November 2007 Development
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... ... failed (0x02)
    High port contention 1... passed
    High port ...
    Mr. Anonymous Mr. Anonymous November 2007 Hardware
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... memory... passed
    High port contention 1... passed
    High port ...
    Mr. Anonymous Mr. Anonymous November 2007 Hardware
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... =Fred;224951]Note that the TC2048 at least displays the snow ...
    csmith csmith November 2007 Development
  • Can you write in the border?Is it at all technically possible in any way to get stuff into the border, apart from changing the border colour? I believe the C64 used the border a…

    ... the border port (removing display contention for extra speed). If the ...
    obo obo November 2007 Sinclair Basic
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... with refresh, but is a contention side-effect and is not ... fact, it switches off any contention at the rising edge of ... between 0x4000 and 0x7FFF the contention will not be noticed as ... ULA will be in its 'contention off mode', but it will ...
    csmith csmith November 2007 Development
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    [QUOTE=Philip Kendall;224783]I believe Marko accidently disabled contention :-)[/QUOTE]

    WRONG! Marko disabled contention quite deliberately during a test - unfortunately, he forgot to turn it back on again :p

    Marko
    Marko Marko November 2007 Emulators
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    [quote=Marko;225080]WRONG! Marko disabled contention quite deliberately during a test - unfortunately, he forgot to turn it back on again :p

    Marko[/quote]
    You do get quite absent-minded when you get to Marko's advanced age...
    rich_chandler rich_chandler November 2007 Emulators
  • Quick test (2)Could I ask any 128 / +2 / +2A / +3 owners to test the new version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]fusetest[/url] on thei…

    ... (0x01)
    HP contention 1...passed
    HP contention 2...failed (0xff ...
    Jose_Leandro Jose_Leandro November 2007 Hardware
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Latest Posts

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    harriusherbartio on 11:21AM
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    harriusherbartio on 11:01AM
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    Renegade on April 21
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