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Search Again :: Adv Search 101 results in 0.000s
<1234>
  • Emulator compatibility with real SpectrumHi emulator programmers... Having spotted for the last 6 months that my iPAQ is still missing a Spectrum emulator I started typing last tuesday - an…

    ... simple (run the z80 for 69888 tstates, issue a z80 interrupt ...
    Anders Anders September 2001 Emulators
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... generated by the ULA every 69888 tstates, which when combined with ...
    Philip Kendall Philip Kendall July 2004 Development
  • Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…

    ... to the maximum value (ie: 69888 on a 48K Spectrum). Subsequent ...
    Jimmy Jimmy April 2008 Emulators
  • Timing... in the CSS faqI was looking at the CSS faq for something completely unrelated and noticed: [quote] Then the 192 screen+border lines are displayed, followed by 56 …

    ... is (64+192+56)*224=69888 T states long, which means ... is actually a 3.5MHz/69888=50.08 Hz interrupt. This ...
    Winston Winston July 2008 Hardware
  • Rendering techniques in emulatorsI've been giving thought to the possibility of speeding up the rendering in Zero considering I've been putting it off long enough. My approach is c…

    ... the screen backbuffer every frame (69888 t-states that is). Swap ...
    Arjun Arjun April 2011 Emulators
  • A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…

    ... lot. Technically, each frame takes 69888 T-states, the ZXodus Engine ...
    Einar Saukas Einar Saukas March 2012 Brand new software
  • Chronos (BUGFIX)Please add the following "known errors" entry to [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000951"]Chronos[/URL]: [QUOTE]Bugfix provid…

    ... it runs at approximately 50*69888/275500 = ~12.7 fps.
    69888/253100 = ~13.8 fps.[/LIST ...
    Einar Saukas Einar Saukas May 2013 Infoseek database
  • ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…

    ... . Rasters are correct (224/312/69888 and 228/311/70908), yet ...
    lvd lvd January 2015 Hardware
  • Fixing a ZX Clone from .ru - 27 years late.Hi there, I've currently assembled another russian clone a "Compact 256 Turbo" from a PCB I bought. The machine appears to be fully functional and o…

    ... seems to be largely compatible (69888 T-States per INT, 295 ...
    Shockwav3 Shockwav3 May 2020 Hardware
  • Emulator compatibility with real SpectrumHi emulator programmers... Having spotted for the last 6 months that my iPAQ is still missing a Spectrum emulator I started typing last tuesday - an…

    ... /> while( TRUE )
    {
    z80_do_opcodes( 69888 );
    z80_interrupt();
    read_keyboard();
    Anders Anders September 2001 Emulators
  • Newer name of the gameI can't find out the name of my old favourite game. This was a Boulder Dash style game, but no scrolling screen. I think you had to collect ?beer? or…

    ... tiles during 1 screen refresh (69888 cycle). The second part of ...
    edy.wss edy.wss February 2003 Games
  • Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…

    ... and you only get around 69888 to work with.
    cyborg cyborg March 2003 Sinclair Miscellaneous
  • Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…

    ... and you only get around 69888 to work with.
    [/quote ...
    Amigo Amigo March 2003 Sinclair Miscellaneous
  • Parasol Stars for Spectrum Having played a lot of Bubble Booble and Rainbow Islands on Spectrum, and later on also Rainbow Islands and Parasol Stars on Amiga, I feel like it w…

    ... to the screen, which takes 69888 T states to draw.
    cyborg cyborg July 2003 Games
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... generated by the ULA every 69888 tstates) are disabled (or 'masked ...
    Philip Kendall Philip Kendall March 2004 Sinclair Miscellaneous
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... generated by the ULA every 69888 tstates) are disabled (or 'masked ...
    monty.mole monty.mole March 2004 Sinclair Miscellaneous
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... generated by the ULA every 69888 tstates, which when combined with ...
    Fraser Fraser July 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... counter, and when you reach 69888 then cause your interrupt and ...
    Dunny Dunny September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... counter, and when you reach 69888 then cause your interrupt and ... speccy updates its screen every 69888 Tstates?
    - 2. Any chance ...
    MadDoc MadDoc September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... speccy updates its screen every 69888 Tstates?
    [/quote]

    69888 TStates on a 48k. That ... should update the screen after 69888 TStates.

    [quote]
    Dunny Dunny September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... Opcode_Handler
    |
    Test TStates = 69888
    |(no) |(yes)
    | |
    Dunny Dunny September 2004 Development
  • How can I see how long it took for IM2 to runHow can i see how many cycles it took for my interrupt routine to run, is there some way with Spectaculator debugger etc to see how long it has taken…

    69888 for 48K machines, 70908 for the 128K machines.
    Woody Woody October 2004 Development
  • Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?

    Did you alter line 60 to set the Cycles variable to 70908? It defaults to 69888.
    Woody Woody March 2005 Development
  • info for write a emulatorHello Recently, i speak with a german programmer and he says me that in WOS there are a section emulators programmers, where find information about …

    ... a loop.

    Execute 69888 TStates worth of Z80 opcodes ...
    Dunny Dunny January 2006 Emulators
  • Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …

    ... near - it's at 69886/69888 T states as you can ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Sinclair Basic
  • C# emulatorHi, I wanted to branch out and get a little better with C# so I think I need something meaty to do to keep me going....so an emulator seemed a reaso…

    ... runs over the frame size (69888 TStates on a 48k speccy ...
    Dunny Dunny April 2006 Emulators
  • C# emulatorHi, I wanted to branch out and get a little better with C# so I think I need something meaty to do to keep me going....so an emulator seemed a reaso…

    ... runs over the frame size (69888 TStates on a 48k speccy ...
    rich_chandler rich_chandler April 2006 Emulators
  • C# emulatorHi, I wanted to branch out and get a little better with C# so I think I need something meaty to do to keep me going....so an emulator seemed a reaso…

    ... done after the value of 69888 TStates had been reached. Do ... runs over the frame size (69888 TStates on a 48k speccy ...
    polomint polomint March 2007 Emulators
<1234>

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