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Search Again :: Adv Search 1000 results in 0.020s
<1234567…34>
  • Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…

    ... are done, you repeat down one pixel row in the characters ( ... z88dk/libsrc/spectrum/display/zx_cyx2aaddr_callee.asm?revision=1.1&view ... is below (hint moving down one pixel is the same as ... ; hl = new screen address one pixel down
    11 ; uses : af, ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 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 …

    ... graphics at a pixel position comes down to taking what ... />
    jp join ; skip pixel down call

    y_loop:
    asm?revision=1.1& ... points to display address one pixel down

    join:
    ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 Development
  • Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …

    ... first, then the 8 pixel lines for that character square ... based, attribute first, then 8 pixel bytes

    org ... br /> inc h ; next pixel line down
    ld a,h
    nextpix: inc ixh ; 08ts ; next pixel down
    ld a, ixh ; 08ts ...
    FrankT FrankT February 2017 Assembler
  • 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…

    ... you'd add to move down one pixel)
    ; to say, HL ... fact that the
    ; next pixel down is 256 memory addresses ahead ... /> ; carry is reset and a pixel is reset
    ; replace and ... is trickier when dealing with pixel scrolls -
    ; it would probably ...
    Anonymous Anonymous June 2002 Games
  • Scrolling Loader CounterPlease can someone help me with writing a scrolling counter for a loading system. I like the Hewson counter so i`ve taken the font from zynaps loade…

    ...
    inc h ;move one pixel down
    djnz repeat ;repeat 8 ...
    Fikee Fikee November 2006 Development
  • Port problem with either EightyOne or FUSEA bug in EightyOne's keyboard handling has now been fixed.

    ... border before the first contended pixel to afterwards (not yet modelled ... Fuse). I have the first pixel of the main screen area ... border from the first main pixel down, which is close to but ...
    Fred Fred December 2006 Emulators
  • Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?

    ... address HL to move one pixel down in the display.
    ; ( ... screen
    ; HL = moves one pixel down
    ; used : AF, HL
    pixel rows above and below ... to avoid unnecessarily drawing blank pixel rows.

    [quote]< ...
    Alcoholics Anonymous Alcoholics Anonymous May 2007 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…

    ... MTN_*
    uchar x_offset; // horizontal pixel offset within plot

    pixel wide plot.

    pixel down in the buffer and ... zero) then the 8 pixel wide mountain will have spilled ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • Screen access in assemblerI am again troubled by the unusal screen design of the Spectrum. :) If I want to do something with, say, a 16x16 bit block of the screen (in the sam…

    ...
    YYyyy yyyxxxxx - bytes in pixel line
    | | |
    | | |-------- ... of screen
    | |
    | |------------ pixel line in character line
    pixel down in char line
    ld ...
    Fikee Fikee November 2008 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 …

    ... left to right one pixel at a time. That ... times, shifted by one pixel to the further right ... new sprite shifted one pixel further to the right ... has been shifted one pixel further to the right ... /> ;and I move one pixel down the screen
    djnz face_loop2a ...
    Turkwel Turkwel November 2011 Development
  • Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…

    ... ; hl = new screen address one pixel down
    11 ; uses : af, hl ... does this part reset the pixel part if it's seven ...
    Atari_Jetman Atari_Jetman November 2012 Development
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    You use inline version of DOWN HL like this:

    ... ; move screen address by 1 pixel down
    ld a, h
    pixel down
    ld a, h
    Alone Coder Alone Coder October 2013 Brand new software
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    ... ]You use inline version of DOWN HL like this:

    pixel down
    ld a, h
    pixel down
    ld a, h
    Einar Saukas Einar Saukas October 2013 Brand new software
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... . Moving a sprite down x pixels is accomplished ... move the sprite one pixel down with respect to a ... therefore needs a blank pixel row above it (and ... moving a sprite down a pixel means it now occupies ... Once things are settled down within z88dk, everyone will ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Development
  • THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…

    ... ] that the illustrated pixel should be moved one notch down. :razz:[/QUOTE ... ]

    Actually, I think that pixel would ... />
    a. Move pixel down
    b. Move pixel right
    c. Delete ...
    Muig Muig March 2014 Games
  • THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…

    ... ]Actually, I think that pixel would look better moved to ... />
    a. Move pixel down
    b. Move pixel right
    c. Delete ... the pixel
    d. Leave pixel alone
    ;-)[/QUOTE ... each one with a different pixel position, and design a custom ...
    Einar Saukas Einar Saukas March 2014 Games
  • THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…

    ... ;760494]Actually, I think that pixel would look better moved to ... />
    a. Move pixel down
    b. Move pixel right
    c. Delete ... the pixel
    d. Leave pixel alone
    ;-)[/QUOTE]

    [B]"LEAVE PIXEL ALONE!"[/B]
    Grunaki Grunaki March 2014 Games
  • THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…

    ... ;760494]Actually, I think that pixel would look better moved to ... />
    a. Move pixel down
    b. Move pixel right
    c. Delete ... the pixel
    d. Leave pixel alone ...
    ewgf ewgf March 2014 Games
  • New Game - Cap'n Rescue: ReprisalHello, I'd just like to announce my new game Cap'n Rescue: Reprisal for the ZX Spectrum is almost complete. This is the third game in the series…

    ... top part at least one pixel down, when the legs are in ... down while walking.

    Something as subtle as a single pixel ... the hat bend down,
    - when body goes down, the edges of ... also move just a single pixel, but it will make a ...
    RMartins RMartins July 2016 Brand new software
  • off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…

    ... INC L to go one pixel down
    - always INC H to ...
    Ralf Ralf June 2017 Development
  • Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…

    ... a,e ;convert column into pixel x coord
    and $ ... ;x coord: three low bits=pixel position (0-7) within cell ... />
    inc d ;shift one pixel down (esthetic choice, safe to leave ...
    ex af,af' ;restore pixel position (number of shifts) into ...
    Ast_A_Moore Ast_A_Moore March 2018 Development
  • Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…

    ... /> dec a ;reduce by 1 pixel, so glyphs flush with right ... to leave at least one pixel
    ;of right margin)

    inc d ;shift one pixel down, as we're only drawing ...
    ex af,af' ;restore pixel position (number of shifts) into ...
    Ast_A_Moore Ast_A_Moore December 2018 Development
  • Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…

    ... Rob Pearmain

    ; char5.asm

    ; This demo ...
    ; based as opposed to pixel based system

    ; ********************************************< ...
    JR NZ,up
    down:
    ; Y Counter
    ...
    robpearmain robpearmain August 2004 Development
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... Rob Pearmain

    ; char5.asm

    ; This demo ...
    ; based as opposed to pixel based system

    ; ********************************************< ...
    JR NZ,up
    down:
    ; Y Counter
    ...
    robpearmain robpearmain August 2004 Development
  • Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…

    ... can handle up to 32 pixel particles. A particle dies when ... /> ; *****************************************************************

    ; Title: Pixel Explosion
    ; File: pixel01.asm
    ; Author: Rob ...
    robpearmain robpearmain September 2006 Development
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... time doing an array to pixel using plot mechanism (yuck) then ... what I see in the asm is this ( grabs from screen ... width, int length )
    {
    #asm
    push ix
    ld ...
    DonkeyPong DonkeyPong January 2007 Development
  • help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…

    ... ve based it around the pixel scrolldown routine in 40 ... br />
    [code];scroll down 1 pixel at a time
    org ... (hl),a ;. . .to next pixel line down
    ld a,c ;check ... scrlcount ;otherwise continue with another pixel scroll
    endroutine
    ...
    bigjon bigjon February 2008 Development
  • Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…

    ... type something like mc30mintut.asm into the save box ... , which affects an 8x8 pixel block per byte, in ... of black paper colour down the screen.
    ... 32 bytes (1 screen) down the attribute file.
    ... playable game is slow down our blindingly fast machine ...
    bigjon bigjon November 2009 Development
  • BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…

    ... up and down smoothly by a single pixel, and sideways ... moving by a single pixel sideways. How is this ... shifted by a single pixel. Depending on the screen ... ++f) {
    // frame sync
    asm("halt");
    }

    // ...
    Einar Saukas Einar Saukas August 2012 Development
<1234567…34>

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