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Search Again :: Adv Search 1000 results in 0.021s
<1234567…34>
  • Uridium possible with more colour??Having seen the MSX version of Uridium mentioned in another thread I wondered if the Spectrum could produce anything similiar, and had a go at a mock…

    ... a more vertically-oriented screen, and exploiting the timing hacks to do hardware ...
    joefish joefish January 2015 New game ideas
  • New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…

    ... too bothered about 100% accurate screen timing in demos, though that would ...
    ewgf ewgf February 2005 Emulators
  • I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…

    ... could do with the ST screen. The simplest (but fairly useless ... mess with the screen timing to effectively get the screen pointer down to ... at various points down the screen (good for gradient skies in ... and have a bit of screen pointer scrolling too, which a ...
    joefish joefish September 2009 Chit chat
  • I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…

    ... could do with the ST screen. The simplest (but fairly useless ... 8 lines, by shifting the screen pointer (but it had to ... mess with the screen timing to effectively get the screen pointer down to ... an odd address since the screen data is all word interleaved ...
    Marko Marko September 2009 Chit chat
  • How compatibel is the Sprinter 2000?How compatibel is the Sprinter 2000? I have one but only trd software runs. Joystick did not work and tape in and tape out too. I have schematics bu…

    ... mode configurator with possibility change screen timing(Pentagon/Scorpion), turbo on/off ...
    velesoft velesoft September 2010 Hardware
  • How compatibel is the Sprinter 2000?How compatibel is the Sprinter 2000? I have one but only trd software runs. Joystick did not work and tape in and tape out too. I have schematics bu…

    ... .ZX Spectrum models. Sprinter support screen timing of Pentagon (224 tacts per ... per line / 312 lines). CPU timing is incompatible with ZX128.
    velesoft velesoft October 2010 Hardware
  • How compatibel is the Sprinter 2000?How compatibel is the Sprinter 2000? I have one but only trd software runs. Joystick did not work and tape in and tape out too. I have schematics bu…

    ... memory and with Pentagon's screen timing ( 224 Tacts CPU per TV ... line / 320 TV lines on screen )

    Scorpion 256 mode ... memory and with Scorpion's screen timing ( 224 Tacts CPU per TV ... line / 312 TV lines on screen )

    And CPU run ...
    velesoft velesoft October 2010 Hardware
  • Can a ZX81 be upgraded to a Spectrum?No, I don't want to do this, and I agree that to do so (even if I could) would be a waste of time. The question is, is it possible though? The upgrad…

    ... the ULA which drives the screen, timing, interrupts etc. and once you ...
    BloodBaz BloodBaz December 2010 Hardware
  • 48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…

    ... ]But it looks, that multicolor timing is uncorect and sometimes demos ... to 128kB is about 95%, screen timing and CPU timing is different.
    velesoft velesoft August 2011 Hardware
  • 48k to 128k upgrade - problemsHi friends! I built 128k upgrade according to the [url]http://hw.speccy.cz/128krebuild.html[/url]. After I powered on my Speccy it said hello with s…

    ... different ULA chip with different screen timing. Is impossible (or very hard ...
    velesoft velesoft August 2011 Hardware
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... a tough test of emulator screen / timing accuracy, but looks perfect on ...
    p13z p13z January 2012 Games
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... a tough test of emulator screen / timing accuracy, but looks perfect on ...
    ccowley ccowley January 2012 Games
  • New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…

    ... 2 is ULA with different screen timing, then show multicolor effects ... is disable(off), then CPU timing is 100% compatible with ... original ZX128/+2 timing and ram pages higher than ... correct speed.

    Screen timing is always same as on ...
    velesoft velesoft February 2012 Hardware
  • ZXDS 0.9.9 beta 1OK kids, here we go: Let me announce the latest and greatest [URL="http://zxds.raxoft.cz"]ZXDS release[/URL]. Mouse emulation, tape recording, stats …

    ... 128k with just slightly different screen timing and builtin Beta Disc tacked ...
    Patrik Rak Patrik Rak May 2012 Emulators
  • Didaktik Gama and M manualsI?m looking for manuals for the Czech Spectrum clones Didaktik Gama and M. Thought this would be an easy task, but I couldn?t find any user or servic…

    ... as ZX48kB, only CPU and screen timing is different (need different routines ...
    velesoft velesoft August 2013 Hardware
  • 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 to ... +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 to ... +2A/+3 and improved Pentagon screen timing, too.

    Patrik[/QUOTE ...
    polomint polomint December 2014 Emulators
  • No$ZX, a Spectrum emulator with a lot of debugging featuresI was just going through my Spectrum folder on my laptop, and I found No$ZX, a free ZX Spectrum emulator which you almost never see mentioned, but I …

    ... % compatible with the very clever screen timing we've seen in some ...
    ewgf ewgf July 2015 Emulators
  • X128 - The new BEST emulator?I just got a copy of x128. Have you seen the stuff that this can now emulate? Just out of interest what is now seen as the best ZX emulator?

    ... the paging (but no exact screen timing). I could never match that ...
    Jmk Jmk August 2015 Emulators
  • Spectrum and Z80 emulators with Python APIHello everybody, It may be the right time to create a topic for these two emulators. They are not at the initial release point yet, but might be w…

    Now that the screen timing matters discussed in the [url=" ...
    kosarev kosarev October 2019 Emulators
  • The latest build of Specemu?The latest version of Specemu (a fantastic emulator, BTW) I have is SpecEmu-3.1.b150912.zip, which is a year old now, but knowing Woody he's probably…

    ... IND
    Fixed a 128K screen timing issue (thanks, azesmbog)
    Added ...
    Luzie Luzie February 2022 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
<1234567…34>

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