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Search Again :: Adv Search 1000 results in 0.022s
<1234567…34>
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... explore the timing of screen switching. The new test, ptime-128, produces ... 3, who will launch the test on their machines and share ... appears at the left-top screen corner (press the Q button ... cycles more.

    The test needs to be performed for ...
    weiv weiv November 2017 Emulators
  • 128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…

    ... you can't get the test card going.
    < ... on power on), especially test 4 (screen switching test) - this should produce ... uniform green stripes across the entire screen ... try running in soak test mode for an hour ...
    balford balford June 2015 Hardware
  • Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…

    ... .org/forums/discussion/55518/test-of-screen-switching-timings"]this test[/url] on your ...
    weiv weiv November 2017 Hardware
  • Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…

    ... forums/discussion/55518/test-of-screen-switching-timings"]this test[/url] on your ... need to see this test run with the exact ... I can run this test with, one of which ... four Spectrums that I can test this program with - ... figured I may as well test both +2Bs as, ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Hardware
  • ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…

    ... /55518/test-of-screen-switching-timings]this "please run this test for ... work - it sometimes makes screen glitches, it sometimes turns the ... screen black without bringing up the ... br />
    The third test program came courtesy of weiv ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Hardware
  • Need help from people with real 128/black +2 and grey +2A/+2B/+3.Please, if you have time and inspiration, run [url="https://www.worldofspectrum.org/forums/discussion/55518/test-of-screen-switching-timings"]this t…

    This test makes short switch from screen 0 to screen 1 and back, with ... like most of machines allow screen switching occurs between pixels and attributes ...
    weiv weiv November 2017 Hardware
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... , which also deals with the screen switching timings, I recently modified my ... -states for the toastrack) before screen switching takes place. This gives me ... more results from weiv's test on different machines. And if ...
    Magnus_Krook Magnus_Krook September 2019 Emulators
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    ... which also deals with the screen switching timings, I recently modified ... for the toastrack) before screen switching takes place. This gives ... more results from weiv's test on different machines. And ... there are two variants of screen switching timings on +2A/+3 ...
    weiv weiv October 2019 Emulators
  • Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…

    To be clear - I meant "how does screen switching (and my test) work on real machines?", not "how you should write your emulator." :) But I'm glad that results of my tests are interesting for you.
    weiv weiv October 2019 Emulators
  • Games that use multicolour effectsMulticolour (which created via ula timing, not screen switching) is the only functional effect that ULA can do. It's the only way to break colour cla…

    ... created via ula timing, not screen switching) is the only functional effect ... , there is a great intro screen showing a tank and a ...
    Arda Arda October 2006 Games
  • An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…

    ... /> -Gigascreen or any other fast-screen-switching effect
    -Wire 3D and ...
    zxbruno zxbruno October 2009 Hardware
  • Help me find out what game it isGreetings Spectrum fans! I kindly ask for help with finding a Speccy game by it's description - I've played this game many years ago and completely …

    ... /> It's side-view 2D, screen switching - no scrolling (as far as ...
    saur saur January 2010 Games
  • 128k programmingOk, I have had the normal man look (ie. not really), I want a good resource for 128k asm programming. Mostly just to find out how the RAM bank switc…

    ... how the RAM bank switching works and the screen switching.

    Any ...
    Kiwi Kiwi November 2013 Development
  • Pixel level collision detection[SIZE=3][FONT=Calibri]I need to do some pixel level collision detection. Assuming I have a byte of my ?player? sprite in DE and a byte of screen to t…

    ... DE and a byte of screen to test in HL I was ... to do this check. This test is only run when I ... close so this test isn?t run on every screen redraw.[/SIZE ...
    Mr Millside Mr Millside November 2014 Development
  • A bit late, but 10 years of PlayStaion! My thoughts.I think the acual Aniversary of the Playstion release was a couple of weeks ago, but I picked up GamesTM today and it has a big feature about it (bes…

    ... , and then switch the one screen very fast between left eye ... get the idea). If the screen switching is fast enough, you get ... innovatively because of the tap screen, anyway. It looks like a ...
    Alessandro Tommasi Alessandro Tommasi December 2004 Sinclair Miscellaneous
  • Flicker on my scrolling demo, any ideas?I have created a scrolling demo downloadable from [url="http://www.peargames.co.uk/downloads/scroll.z80"]http://www.peargames.co.uk/downloads/scroll.…

    ... at different place of screen
    or 128 screen switching
    or Z80 ...
    Fikee Fikee May 2005 Development
  • If you could choose one extra colour for the ZX Spectrum??The post "Im not trying to start a flame war......" by Ewgf got me thinking. The ZX spectrum had 8 colours. 15 if you count the bright as separate …

    ... 128k Spectrum used the rapid screen switching facility to generate new colours ...
    monty.mole monty.mole October 2006 Sinclair Miscellaneous
  • Spectrum RPG'sOff the top of my head I can think of [i]Lords of Midnight[/i], and [i]The Bard's Tale[/i], but are there some other good RPG's on the Speccy that I …

    ... have much beyond the bridge screen, switching between the various cameo portraits ...
    Rainbird Rich Rainbird Rich November 2006 Games
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... Linux as a "virtual" screen to test my sprite/tile clipping and ... it transfers to the target screen by whatever bastardised mechanism ... the active routines onto whatever screen is sitting in the ... making the best compromise between screen write speed and game ...
    DonkeyPong DonkeyPong January 2007 Development
  • Platform Game Designer 2?I've started tinkering around with some code today and have decided upon a number of handy little features that it would be nice to have. For the li…

    ... shot, then changed the screen behaviour settings to make them ... m just patching in the screen switching code from the explorer designer ... remove them from the current screen. If you want your ... option of displaying a particular screen as an intro page? Things ...
    jonathan jonathan August 2007 Development
  • 'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…

    ... final simplified version of the "screen flipping" test program:-

    [ ... depends on having the second screen already stored on the RAM ... .

    (The second screen can only be in bank ... is capable of very rapid screen flipping.

    In ( ...
    Digital Prawn Digital Prawn August 2008 Sinclair Miscellaneous
  • Interlace demoSorry to reference another thread like this, but in the thread: [url]http://www.worldofspectrum.org/forums/showthread.php?p=313428#post313428[/url] …

    ... of demos which do rapid screen switching like that, and generally they ... . And this is a static screen - no hidden animations - you can ... take a grab of the screen and load it into Art ...
    gasman gasman November 2008 Sinclair Miscellaneous
  • Dizzy EditorI fancy playing around with this, unfortunatley it's the age old problem of no ability to understand Russian that is holding me back. Can some kind …

    ...

    T - Choose screen from map

    E ... - Enter screen number

    EDIT - ... Move to screen with cursors

    Z ... />
    DELETE - Clear screen

    ENTER - Test game

    Q ...
    mulder mulder November 2008 Sinclair Miscellaneous
  • Thieves School - New Game from World XXI Soft Inc.After aprox. 2 years of hard work, World XXI Soft Inc. announces the release of [B][I]Thieves School[/I][/B], a platformer multi-level for Spectrum 1…

    ... and the useful but painful screen switching)

    Thanks again ...
    worldxxisoft worldxxisoft December 2008 Games
  • Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…

    ... if I do the "Interlace" screen-switching on Interrupts, so the current ... screen Bit is just switched using ...
    LCD LCD January 2009 Sinclair Miscellaneous
  • Great Giana SistersI read that the GGS was considered a Mario-infringement, and therefore it didn't come out on the Speccy, but why was it OK to publish it on ye olde C…

    ... was also pretty poor - used screen switching instead of scrolling... yuk.
    cycyc cycyc September 2009 Games
  • An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…

    ... /> -Gigascreen or any other fast-screen-switching effect
    -Wire 3D and ...
    Hood Hood October 2009 Hardware
  • 'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…

    ... final simplified version of the "screen flipping" test program:-

    [url ... depends on having the second screen already stored on the RAM ... happens is, that somehow the screen doesn't get loaded to ... the shadow screen, so you get one drawn ...
    mulder mulder April 2010 Sinclair Miscellaneous
  • SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…

    ... to be thrown on screen, the 8bit programmers where ... Screens,
    Double Buffering, screen switching, and copying of screens,
    Full screen Hardware scrolling commands.
    ... to access everything from one screen area?...

    ...
    kgmcneil kgmcneil August 2010 Sinclair Miscellaneous
  • Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …

    ... clarify, you mean filling the screen with horizontal/vertical stripes of ... possible, although for the full screen width ones I've only ... it by relying on 128K screen switching. Normally, if you try to ...
    gasman gasman March 2011 Development
<1234567…34>

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