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Search Again :: Adv Search 1000 results in 0.040s
<1234567…34>
  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.

    I wondered what the faster than LDIR methods of writing to the screen were.
    chev chev October 2008 Development
  • On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…

    ... can I copy 4k from Backbuffer to Screen in under ... basically want to copy back to front screen with no ... fragment is almost as fast as possible (the use ... were actually updating the screen in a chaotic fashion, ... you're using this fast stack-copy code with the " ...
    Alcoholics Anonymous Alcoholics Anonymous September 2004 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... to do things like fast screen clearing by setting the ... just past the end of screen memory, loading a register ... right point in my screen address table. Then I ... get a screen address from my table, copy from DE ... DE to get the next screen address.

    ...
    joefish joefish April 2009 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... fast memory copy and memory store routines
    07 - A fast clear screen ...
    09 - A debug screen that displays the register values ... trim graphics that exit the screen or display window
    ... /COS
    20 - A fast screen address lookup routine, that is ...
    ASM ASM October 2010 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... 06 - A set of fast memory copy and memory store routines

    07 - A fast clear screen routine using the stack if ...

    09 - A debug screen that displays the register values ... B]

    20 - A fast screen address lookup routine, that is ...
    Ralf Ralf October 2010 Development
  • Z80 sound enginesI'm looking for a decent sound engine to use in a Z80 program I'm writing, but I've no idea which is the best/fastest/easiest to use. I could do wit…

    ... /> For AY 'best' is not fast, and there is also size ... of each line of a screen copy. Then, the sound is playing ... for however long the screen copy takes, which may well be ... AY tune on the title screen. I'm playing with VT ...
    polomint polomint September 2011 Development
  • Help with calculating screen addresses[SIZE=3][FONT=Calibri]I?m having a bit of a coding session whilst at work so can?t spend too much time on my current problem. I?m sure someone on thi…

    ... I use for the flashing copy cursor address in the [url ... /Info/Comp/Spectrum/ProgTips/Printout/]Fast Screen Printing[/url] demo code.
    Jonathan Harston Jonathan Harston October 2013 Development
  • Mode 2 Tile Editor SourceA Timex Mode 2 Tile Editor incorporating a byte mirror table. The compiled version is available in the CSSCGC 2008 collection from the WoS archive. …

    ... to screen
    ; 46003 ; copy tiles 128-255 to screen
    ; 46010 ; copy screen to ... tiles 0-127
    ; 46006 ; copy screen to ... tiles 128-255
    ; 46128 ; copy working tile ...
    chev chev January 2007 Development
  • 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 ...
    zxbruno zxbruno October 2009 Hardware
  • Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…

    ... far left of the screen)
    #
    #Copy to screen y-position in ... /> self.destXPos = self.inputValue('Copy to screen x-position in (integer) characters ... /> self.destYPos = self.inputValue('Copy to screen y-position in (integer) pixels ...
    KrazyKattapilla KrazyKattapilla August 2014 Development
  • Loading schemes18 years ago I hated loading schemes like Alcatraz and Speedlock because they were a b*tch to copy and became unreliable when the tape got older. Now…

    ... game data to some 'hidden screen', and moving it to the ... screen area at some point. Which ... don't know whether the screen copy was done by the loading ...
    Alessandro Tommasi Alessandro Tommasi July 2003 Games
  • Help needed to speed up functionCan anyone help me to re-factor this code snippet. The "MAP" section holds information about which tiles go where on the screen (handled by another f…

    ... most important factor is - if fast screen updating is essential then in ... critical when dealing with the screen.
    cyborg cyborg February 2005 Development
  • Speccy look for the forumaye, not sure where to post this... besides, we?ve had already some talks about it... but, l@@k at [url=http://zx.pk.ru/index.php?]this[/url] - the …

    ... ones you presented in your screen copy are in the 'status' subdirectory ...
    mheide mheide June 2006 Sinclair Miscellaneous
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... little hw support) is a fast byte copy (for copying a back ... the main display) and a fast write/clear (for zeroing the ... possible to do the byte copy at a speed of 13 ... (not the same as a copy, more limited) at about 5 ...
    Alcoholics Anonymous Alcoholics Anonymous September 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... . Yes, it wouldn't be fast - but there are plenty of ... that don't depend upon fast screen updates.

    Another slight ... modes to be just as fast as the original one. But ...
    monty.mole monty.mole October 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... . Yes, it wouldn't be fast - but there are plenty of ... that don't depend upon fast screen updates.
    [/quote]

    Alcoholics Anonymous Alcoholics Anonymous October 2006 Sinclair Miscellaneous
  • CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …

    ... the stars on the main screen?

    Maybe its my ... back - i.e draw the screen, copy it to ramdisk, then when ...
    SnakeOilSteve SnakeOilSteve March 2008 Games
  • CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …

    ... the stars on the main screen?

    Maybe its my ... back - i.e draw the screen, copy it to ramdisk, then when ...
    Digital Prawn Digital Prawn March 2008 Games
  • '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…

    ... />
    Download BASIC demo screen flipping snapshot here:-
    [url ...
    6000 REM init screen (page second screen in at 49152)

    7000 REM screen copy
    7010 FOR i=0 ... [/b] Copies current screen RAM into second screen (Very slow in ...
    Digital Prawn Digital Prawn August 2008 Sinclair Miscellaneous
  • '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…

    ... to write directly to whichever screen was paged into upper ... the accessibility of the "shadow screen" from BASIC.

    ... thought on speeding up the "screen copy" routine (when we are ... use some SAVE "file" SCREEN$ type command and reload operation ...
    Digital Prawn Digital Prawn August 2008 Sinclair Miscellaneous
  • Game engine design, graphic format?Having never written a game engine before, I'm in need of a little advice on the best way to store the game map. Its 512 x 896 map, 4-way scrolling,…

    ... I picked up from the 'fast screen writes' thread. Though I soon ...
    FrankT FrankT November 2008 Development
  • A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…

    ... lines in the ZX screen
    ; Copy them in reverse order
    ; from bottom of screen upwards
    screen
    ; Copy them in forward order
    Digital Prawn Digital Prawn December 2008 Development
  • Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…

    ... h" to navigate a screen buffer :-P The Spectrum ... that don't cross screen block (ie thirds) boundaries ... Rob has to copy from one screen to another with ... to, to do a windowed screen copy.

    It ... onto a linearly rasterised screen than the complex one ...
    joefish joefish May 2009 Development
  • GIGASCREEN with MULTICOLOUR 8*2Riskej made the pic. Pulsar coded the engine. I'm watching it on the 128+ at the moment and it is very stable. The file: [url]http://speccy-live.u…

    ... regular 128K (just uses the fast screen swapping that those models are ... in a TFT or plasma screen (as these tend to combine ...
    mcleod_ideafix mcleod_ideafix September 2009 Sinclair Miscellaneous
  • 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 ...
    Hood Hood October 2009 Hardware
  • Jet Set Willy on Commode64Bit of a Commode mood at the moment. Just looked at map of Jet Set Willy on the Commode, and it seems, small. (excuse the width) [img]http://plus4…

    It's not authentic, it uses "exclusive or'd" sprites and doesn't have a really slow pointless LDIR screen copy to slow things down.

    Not bad enough. Make it badder.

    Do it again.
    frobush frobush December 2009 Chit chat
  • Jet Set Willy on Commode64Bit of a Commode mood at the moment. Just looked at map of Jet Set Willy on the Commode, and it seems, small. (excuse the width) [img]http://plus4…

    ... a really slow pointless LDIR screen copy to slow things down.
    mel the bell mel the bell December 2009 Chit chat
  • QL microdrive cartridge questionOkay, I'm throwing this open to the Speccy community at large... Does anyone know what I would need to do to examine the contents of a QL microdrive…

    ... similar) - this makes a fast sector copy to ram disk and highlights ...
    rwap rwap June 2010 Emulators
  • screen$ out ?I've converted something via a scan and dithered it/saved out as a png in 7-up.. It'll load into 7-up , but I can't export it as a screen$ .. and …

    ... 't export it as a screen$ .. and the paintbrush zx wants ... smaller, create a new 256x192 screen, copy the open you want to ... bottom right part of the screen, Attr value will be over ...
    Metalbrain Metalbrain September 2011 Development
<1234567…34>

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  • Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
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