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Search Again :: Adv Search 1000 results in 0.019s
<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…

    ... to explore the timing of screen switching. The new test, ptime-128 ... appears at the left-top screen corner (press the Q button ...
    weiv weiv November 2017 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
  • 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 ...
    weiv weiv November 2017 Hardware
  • 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
  • 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
  • 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
  • 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
  • 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
  • Legend of Kyrandia - ZX Spectrum DemoI was browsing the ZX Open Source site [url]http://opensourcezx.untergrund.net/[/url] and I found an interesting tr-dos disk image of a playable demo…

    ... walking at row 17 on screen would have depth 17. ... a suspended platform crossing the screen, so the player can walk ... depth information for the same screen, switching between them depending on the ... case, but perhaps some careful screen adjusts and the color clash ...
    Einar Saukas Einar Saukas July 2011 Development
  • New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…

    ... sprite.
    2) Read screen byte contents at new coodinate ... continue pasting your sprite on screen and carry on...
    ... Check attribute colour data at screen byte position...
    If ... likely to be using a screen switching method, so checking to ...
    kgmcneil kgmcneil September 2011 Development
  • 128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…

    ... QUOTE]

    No. Screen switching gives you one colour change ... line...)

    Switching screens is still useful for ... screen 32x96 multicolour (as seen in Echologia and Alienate) by switching ... lines writing the data. Screen switching can't make the ...
    gasman gasman November 2011 Sinclair Miscellaneous
  • 128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…

    ... to change parts of the screen so selected parts of the ... screen is 8x1, and others are ... under 1 raster line, and screen switching only gives us 4 cols ...
    Arda Arda November 2011 Sinclair Miscellaneous
  • 128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…

    ... or (b) you implement 128K screen switching to synchronise the per-line ...
    joefish joefish November 2011 Sinclair Miscellaneous
  • Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…

    Battle Bunny, how do you think, would this routine fit ok for screen switching in BASIC? Namely, saving current screen and restoring it later? (*hints at Devil's castle et al*)
    NRA NRA November 2011 Sinclair Basic
  • Great Giana Sisters (never released)[url]http://www.worldofspectrum.org/infoseek.cgi[/url] daamm, this looks like my ideal game, I love left-to-right platform scrolling games like turb…

    ... even had no scrolling, just screen switching.
    Because Nintendo did not ...
    LCD LCD December 2011 Games
  • Atic Atac on 128kThis may have been talked about before, especially if its not just me with this problem, but loading this on my grey +2 results in title screen, then…

    ... reset is the giveaway (screen switching back to screen 0).

    Proper ...
    balford balford January 2014 Games
  • Atic Atac on 128kThis may have been talked about before, especially if its not just me with this problem, but loading this on my grey +2 results in title screen, then…

    ... reset is the giveaway (screen switching back to screen 0).

    Proper ...
    ASH-II ASH-II January 2014 Games
  • ZXDS 1.3.0Hello, I am really glad I can announce one more [URL="http://zxds.raxoft.cz"]ZXDS release[/URL] on this special day. The major new feature is the lo…

    ... when I started, too. The screen decoding required is much more ... sleeve to speed the entire screen rendering first, in order ... incorporate the accurate +3 ULA screen switching timing for +2A/+3 and ... improved Pentagon screen timing, too.

    [ ...
    Patrik Rak Patrik Rak July 2014 Emulators
  • ZXDS 1.3.0Hello, I am really glad I can announce one more [URL="http://zxds.raxoft.cz"]ZXDS release[/URL] on this special day. The major new feature is the lo…

    ... when I started, too. The screen decoding required is much more ... sleeve to speed the entire screen rendering first, in order ... incorporate the accurate +3 ULA screen switching timing for +2A/+3 and ... improved Pentagon screen timing, too.

    ...
    polomint polomint December 2014 Emulators
<1234567…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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