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<1234567…34>
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... piece from the basics of screen-layout, through to masked sprites ... put the sprite on the screen, drawing it again at the ... to get around, due to timing & screen-freshing - you can get ...
    bobs bobs May 2006 Development
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... 's initial position on the screen which I happen to corrupt ... JSW uses interrupts to perform timing/screen updates. That said, I also ... of JSW that uses different timing mechanisms to speed it up ...
    Dunny Dunny August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... JSW uses interrupts to perform timing/screen updates. That said, I also ... of JSW that uses different timing mechanisms to speed it up ...
    kphair kphair August 2011 Emulators
  • 128k Speccy ScreenAm I right in thinking that you can draw to one, while displaying the other (therefore eliminating the need for timing when you dump the screen and d…

    Am I right in thinking that you can draw to one, while displaying the other (therefore eliminating the need for timing when you dump the screen and draw the sprites etc... a-la 48k ??)
    dansauk dansauk August 2005 Development
  • Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…

    ... between the time when the screen data are supposedly sampled and ... ULA needs to fetch the screen data before that, so it ... too late, though, to fetch screen AND attribute data and still ... , as well as correct any timing information stated above. I would ...
    Patrik Rak Patrik Rak September 2007 Emulators
  • Most accurate timingWhich emulator is closest in timing to an actual (48k) spectrum? A count to 10,000 loop, printing the loop number each time on screen - same snapsho…

    Which emulator is closest in timing to an actual (48k) spectrum?< ... loop number each time on screen - same snapshot in each case ... />
    Hmm.
    Getting accurate timing for sound is going to ...
    Gedlion Gedlion June 2012 Emulators
  • Timing of Timex Computer 2068Is the timing of the Timex Computer 2068 fully documented yet? I have one here with the ZX Spectrum Emulator cartridge and have downloaded a few test…

    Is the timing of the Timex Computer ... lines per frame. The screen display is centred and not ... ULAs. The contended memory timing seems to be the same ... ; however the I/O timing is quite different, not ... test the contended I/O timing. Plenty of other ports ...
    rga24 rga24 April 2013 Hardware
  • New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …

    ... sure I got the ULA timing 100% right. We know when ... the ULA actually fetches the screen bytes. Obviously the floating bus ... out by paging the shadow screen in and out.

    timing, please run the btime test ...
    Patrik Rak Patrik Rak March 2014 Emulators
  • Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…

    ... discussion/45538/a-new-full-screen-bicolor-engine-called-nirvana"]NIRVANA ... top row on screen for timing synchronization, so the screen will never flicker ... drawing a tile at the screen edge. Would you like ... this tile to appear on screen, so you can easily ...
    Einar Saukas Einar Saukas September 2015 Brand new software
  • 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…

    ... Jan Bobrowski to explore the timing of screen switching. The new test ... appears at the left-top screen corner (press the Q button ...
    weiv weiv November 2017 Emulators
  • 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…

    ... since my emulator shows the screen and a keyboard and there ... put more effort into the timing of the emulated computer (I ...
    Anders Anders September 2001 Emulators
  • Screen$ +3 disk to tape helpHi, I have several full screen pictures of my +3 disks (Screen$). How can I transfer these pictures onto tape without losing the last to lines beca…

    ... />
    I have several full screen pictures of my +3 disks ... (Screen$).

    How can I ...
    Stephen Stephen February 2001 Sinclair Miscellaneous
  • Most nice Loader ScreenHi, What is the better loader screen from speccy games?? or simply which is the screen you more remember.. I remember a lot the screen$ from Roboc…

    Hi,

    What is the better loader screen from speccy games?? or simply which is the screen you more remember..

    I remember a lot the screen$ from Robocop and HeadOverHeels.. also GreenBeret.
    Javier Alca?iz Javier Alca?iz March 2002 Games
  • Screen PreloadersDid any of you chaps write your own spectrum games or applications. If yes , did any of you guys manage to get a preloading screen going..... Its …

    Did any of you chaps write your own spectrum games or applications.

    If yes , did any of you guys manage to get a preloading screen going.....

    Its been a mystery to me , how to do this.
    ozonic ozonic April 2002 Games
  • Identify game - flip-screen mazeI was playing this game in the mid-80s, I would say. It was a flip-screen game, a bit like Jet Set Willy in that regard, although it was viewed from …

    ... say. It was a flip-screen game, a bit like Jet ... small gaps.

    Each screen was a bit of a ...
    pelago pelago May 2002 Games
  • Screen$ ScreensaverDoes anyone know where I can get a screensaver called "Screen$" that apparently simulates a Speccy loading?

    Does anyone know where I can get a screensaver called "Screen$" that apparently simulates a Speccy loading?
    Zagreb Zagreb August 2002 Sinclair Miscellaneous
  • windows loading screenhello all, anyone got a windows98 bootup screen that looks like a spectrum tape loading screen? Will be cool isn't it? Imagine...a grayish screen, w…

    ... , anyone got a windows98 bootup screen that looks like a spectrum ... tape loading screen? Will be cool isn't ... ?

    Imagine...a grayish screen, with the sinclair copyright line ...
    newbie88 newbie88 October 2002 Sinclair Miscellaneous
  • Which game has best ending screen?Spectrum games lacks ending screens mostly, but there may be some brilliant games with very good ending screens/demos. I'm now searching for them. I…

    Spectrum games lacks ending screens mostly, but there may be some brilliant games with very good ending screens/demos. I'm now searching for them.

    I like ending screen of captain blood and rainbow islands 2. I know there are better ones.
    Arda Arda October 2002 Games
  • Manic Miner - your favourite screenThis is one of the most famous games, and the reason why is becasaue it's one of the best. The screens are so stylishly done and brilliantly structur…

    ... . But what is your favourite screen out of the 20 you ...
    Spector Spector November 2002 Games
  • Spectrum +3 fault - flashing screen on power onHi ive just bought a +3 When I power it on the power led and disk drive led come on. The screen just flashes black and white around the border, almos…

    ... led come on.
    The screen just flashes black and white ... does not show the diag screen,
    and I dont see ...
    mlasham mlasham December 2002 Sinclair Miscellaneous
  • SCREEN$ - The premier Spectrum Tape Loading Simulation of screensDunny, I have this (a little less than) EXCELLENT SSaver in my laptop, and in my home desktop (both Win2K). I'd only hope it could *remember* the se…

    ... settings when reentering the "Settings" screen, and that it had a ... ://homepage.ntlworld.com/paul.dunn4/screen$.htm"]http://homepage.ntlworld.com ... /paul.dunn4/screen$.htm[/url]

    It ...
    Marcelo Marcelo April 2003 Sinclair Miscellaneous
  • ANNOUNCE: Fuse 0.6.0 and friendsThe Fuse team announce the release of version 0.6.0 of Fuse, along with version 0.6.0 of the Fuse utilities and version 0.1.1 of libspectrum, the Spe…

    ... applied to the Spectrum's screen to give scanlines, smoothing and ... />
    * Add routines to get timing information for the various machines ...
    Philip Kendall Philip Kendall April 2003 Emulators
  • ANN: Spectaculator 5.1Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... run demos
    requiring Pentagon timing. Examples include Rage, Eye Ache ...
    Jon Needle Jon Needle July 2003 Emulators
  • ANNOUNCE: Manic Miner Screen Editor 1.0.1I have just released a minor new version of my Manic Miner Screen Editor. It no longer allows the user to specify an amount of air which causes the S…

    ... version of my Manic Miner Screen Editor. It no longer allows ...
    andrewbroad andrewbroad July 2003 Games
  • z88dk Spectrum Screen Driver problemHi guys, I've been messing around with z88dk a bit and was trying to output some stuff to the screen. Reading the docs, it says that I can use the Z…

    ... output some stuff to the screen. Reading the docs, it says ... I can use the ZX screen driver to set the x ... 0x01 and 0x20 after my screen clearing routine in order to ... set the screen to 32-character mode... anyone ...
    Lee Tonks Lee Tonks August 2003 Development
  • Z80 to TZX Converter !Hey Everyone ! I have a bit of time lately and I coded a little utility that can convert the Z80 snapshot (any version, 48k and 128k supported) to T…

    ... can add an external loading screen.

    The resulting .TZX ... Baud works fine on them). Timing issues ???? - Tapes load perfectly to ...
    Tom-Cat Tom-Cat December 2003 Development
  • TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …

    ... /> Is their away of obtaining timing information on ZX128k other than ...
    GBNvK GBNvK January 2004 Development
  • 1943 Title MusicHow many of you are familiar with the music on the title screen for the game 1943? It appears to be 3-channel music; when I first got the game all th…

    ... the music on the title screen for the game 1943? It ... beeper, and the use of timing to create the illusion of ...
    monty.mole monty.mole March 2004 Games
  • Loading screen as an gif or png?I'm in search for a gif/png picture with the spectrum loading screen (blue yellow stripes)animated. Can someone tell me where i can find it? Christi…

    I'm in search for a gif/png picture with the spectrum loading screen (blue yellow stripes)animated.
    Can someone tell me where i can find it?

    Christian

    [ This Message was edited by: Golfareninsweden on 2004-03-03 11:12 ]
    Golfareninsweden Golfareninsweden March 2004 Sinclair Miscellaneous
<1234567…34>

Latest Posts

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  • Goodbye Z80
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  • I am currently watching.....
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  • European Software Titles with an English version
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  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
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  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
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  • Screen$ +3 disk to tape helpHi,<br /> <br /> I have several full screen pictures of my +3 disks (Screen$).<br /> <br /> How can I transfer these pictures onto tape without losin…
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