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Search Again :: Adv Search 1000 results in 0.022s
<1234567…34>
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... ]
    1. Having, for each shift position, a copy of each ... that code would achieve a shift - if you were writing a ... fact you can have a fast four pixel shift as well as the obvious ...
    cyborg cyborg July 2003 Games
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    "Fast four pixel shift".... is this related to BCD operations somehow?

    Oh, I will try this EZ80 you mentioned, thanks :)))
    windenNTW windenNTW July 2003 Games
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... :27, windenNTW wrote:

    "Fast four pixel shift".... is this related to BCD ...
    cyborg cyborg July 2003 Games
  • A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…

    ... address and A holding the pixel position (the usual deal).
    ex af,af' ;restore pixel position (number of shifts) into ... ,a ;no? Make B our shift counter
    ex af,af ...
    msl_shift
    rr c ;shift through Carry
    rra
    Ast_A_Moore Ast_A_Moore February 2017 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... small, readable and fast enough rather than super fast.

    But ... two frames. Split the buffer pixel shift in half, doing the top ... is probably close to four times as fast but opting for small ... code size + fast enough is the goal here ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…

    ... change Ink and paper every four pixel.[/quote]

    ... sometimes in a emultor with fast tap laod with load "" ... scale it up to 256x192 pixel (x*4,y*2 ... 128 of 256 pixel x maximum of 192 pixel.[/quote]
    ... and this was with 128 pixel wide playing area), so ...
    Amigo Amigo March 2003 Sinclair Miscellaneous
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... is a scoring summary. The four players, in order of highest ... 3 without any downward vertical pixel shift.

    The function "ss_moveparade ...
    Alcoholics Anonymous Alcoholics Anonymous April 2008 Development
  • shifting spriteshi. have anyone experience with shifting sprites by table ? some neat tricks ? i don't want to see complete code (really don't want, it trashes thr…

    ... 1) If you shift by more than 1 pixel a frame, you ... quicker. Sprites moving 1 pixel a frame are gonna take ... i will have four options
    -shift by 1 left< ... slower (cca 130% of worst shift case)

    [ ... You also need to shift ALL the anim frames for ...
    Fikee Fikee February 2010 Development
  • Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …

    ... stick to two pixel movement, requiring just four sprite definitions rather ... than eight.

    2* Shift ... the correct pixel shift.

    3* Since one pixel shift at a ... at the right shift of a single pixel row:
    ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 Development
  • 48k+ ULA'sI've got three ULA's here that only work in certain boards. Thought I was going nuts, swapping, changing stuff around. But hey, I've got two working …

    ... *192 display) have the 8 pixel shift to the left like the ... circuit boards were made with four different types of ULAs. A ...
    rga24 rga24 March 2014 Hardware
  • Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…

    ... similar - eight rows of pixel scrolling. Just instead of ... two pixel scrolling, you really need to consider four pre-shifted ... I did something similar for four-pixel scrolling on the ST ( ... really fast horizontal scrolling comes from pre-loading 16-pixel-wide ...
    joefish joefish September 2014 Development
  • ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…

    ... it's harder to produce FAST one-pixel horizontal scrolling compared to ...
    Ed Ed June 2002 Games
  • Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…

    ... change Ink and paper every four pixel.
    Anyway, I tried the ... scale it up to 256x192 pixel (x*4,y*2) and ... 128 of 256 pixel x maximum of 192 pixel. Rainbow mode sonds ... (and this was with 128 pixel wide playing area), so I ...
    LCD LCD March 2003 Sinclair Miscellaneous
  • Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…

    ... to adjust SP after each shift - loosing 8 cycles at least ... do you need a 2 pixel shift for anyway and why is ...
    cyborg cyborg March 2003 Sinclair Miscellaneous
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... way:
    [code]256 - 1 pixel shift left
    256 - 2 pixels ... shift left

    256 - 1 pixel shift right
    256 - 2 pixels shift ... right
    256 - 3 pixels shift ...
    moroz1999 moroz1999 August 2004 Development
  • 4-pixel scrollingDo you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)

    You might not have much of a choice...

    Does anything other than Ghosts N Goblins
    (which has a very sneaky pre-shifted engine) have a fast 2-pixel scroll?
    Jmk Jmk February 2006 Development
  • 4-pixel scrollingDo you think is 4-pixel scrolling accetable for horizontal shooter ? (aka do u like Chronos ? :)

    ... think that two-pixel steps would be OK. Four-pixel steps might not ...
    Jmk Jmk February 2006 Development
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... // for occluding sprites, clear pixel buffer before draw
    ... sp1_UpdateNow() will clear the pixel buffer before the sprite ... separates character coordinates and pixel shift within a character. The ... hrot parameters are the pixel shift within a character and ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…

    ... in R) to enact a shift for any/all scanlines.
    pixel shift for a short amount of ... it's restricted to 16 pixel resolution. This machine always has ... I think gives the 8 pixel resolution for a short time ...
    Woody Woody July 2006 Emulators
  • Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…

    ... , and it was fantastic. Amazingly fast (four seconds to load a 48K ...
    ewgf ewgf January 2008 Emulators
  • Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…

    ... , and it was fantastic. Amazingly fast (four seconds to load a 48K ...
    zub zub January 2008 Emulators
  • BattlecarsI don't think this was ever a very popular game. But I really liked it back in the day. The only problem with it is that you have to do a lot of re…

    ... /> I do have a fast multi-pixel scrolling routine that would suit ...
    bobs bobs June 2008 Games
  • BattlecarsI don't think this was ever a very popular game. But I really liked it back in the day. The only problem with it is that you have to do a lot of re…

    ... ;280118]I do have a fast multi-pixel scrolling routine that would ...
    psj3809 psj3809 June 2008 Games
  • what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…

    ... case in the 2 pixel > 4 pixel speed change you described ... them every frame for a fast 8 pixel-moving poor man's ...
    XTM of TMG XTM of TMG November 2008 Sinclair Miscellaneous
  • River Raid Tech DemoJust a little something to look at. Enjoy. [URL="http://www.joefish.co.uk/speccy/Joefish_River_Raid_Tech_Demo_01.tap"]Joefish_River_Raid_Tech_Demo_…

    ... into a full game would pixel-movement be possible for the ... designed to be positioned in four-pixel steps (at least, horizontally), just ...
    joefish joefish May 2009 Development
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... .

    3. A shift from algoritm-driven code (ie ... bytes) is for a 1 pixel shift right, f400-f5ff is for ... 2 pixels shift right, etc up to ... tables for 2,4,6 pixel shifts. You can use ... plot to an odd horizontal pixel nothing will crash, you ...
    Alcoholics Anonymous Alcoholics Anonymous December 2010 Development
  • 50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…

    ... set of graphics for each pixel row. Using the hidden screen ... border to hide an 8-pixel shift is smart and practical, but ...
    joefish joefish April 2011 Development
  • The Elder Scrolls V: Skyrim...has been confirmed! [url]http://www.computerandvideogames.com/article.php?id=280129[/url] A direct sequel to Oblivion, and has been in developme…

    Hehe....guess when my first shift at my new job in [ ... right, the 11th! Only a four hour shift though....

    Don ...
    deadpan666 deadpan666 November 2011 Chit chat
  • The Elder Scrolls V: Skyrim...has been confirmed! [url]http://www.computerandvideogames.com/article.php?id=280129[/url] A direct sequel to Oblivion, and has been in developme…

    ... ]Hehe....guess when my first shift at my new job in ... right, the 11th! Only a four hour shift though....

    Don ...
    mile mile November 2011 Chit chat
  • The Elder Scrolls V: Skyrim...has been confirmed! [url]http://www.computerandvideogames.com/article.php?id=280129[/url] A direct sequel to Oblivion, and has been in developme…

    ... ]Hehe....guess when my first shift at my new job in ... right, the 11th! Only a four hour shift though....

    Don ...
    Rebelstar without a cause Rebelstar without a cause November 2011 Chit chat
<1234567…34>

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