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<1234567…34>
  • How to get a minimal splib2Hello. We are designing a new engine and stuff, coded in ASM and to be used from z88dk. I was just wondering how to get a minimal splib2 with just th…

    ... SP1DrawUpdateStruct ; tell linker about the draw character function

    ld ... want drawn

    #asm

    XREF SP1V_UPDATELISTH ; ... validated with sp1_Validate()

    #asm


    .......
    ...
    Alcoholics Anonymous Alcoholics Anonymous August 2011 Development
  • Project: ZX OpusHello my friends, I have been in need of a push lately so I thought if I post some of the work for this project here you guys (and gals) can help me …

    ... to LEARN how to draw spectrum graphics to the ... file address inside a character square, increasing SSS moves ... . The function "asm_zx_cyx2aaddr.asm" means "character Y,X to attribute ... ". The function "asm_zx_cyx2saddr.asm" means "character Y,X to screen ...
    Alcoholics Anonymous Alcoholics Anonymous March 2017 Software
  • Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…

    ... ;NOTES:
    ;------
    ;24-character wide 8x2 attribute effect.


    ;Draw character
    ;--------------
    print_char_obj_hl_b_c
    push ... address
    jp print_char_hl_de ;draw character

    print_char_hl_de ...
    joefish joefish March 2014 Development
  • Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…

    ... :
    [LIST]
    [*]Only draw character cells on screen that change ... a back buffer, individual character cells are completely drawn in ... the final version of the character cell (with all sprites ... advantage is that individual character cells can be marked ...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Development
  • Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…

    ... br /> [LIST]
    [*]Only draw character cells on screen that change ... a back buffer, individual character cells are completely drawn in ... advantage is that individual character cells can be marked ... QUOTE]

    The character buffer cell idea is excellent ...
    robpearmain robpearmain August 2006 Development
  • How to rotate an imageI'm working on an idea for a game and to test it I want to draw some graphics on the screen which are made up of 8x8 pixel squares (single characters…

    ... (in BASIC for clarity) to draw it you do some kind ... x = 0 to width
    DRAW CHARACTER(x,y) AT (x,y ... x = 0 to width
    DRAW CHARACTER(x,y) AT (height-y ...
    na_th_an na_th_an January 2008 Development
  • Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…

    ... a set of routines to draw character-based "sprites" (with transparency and ...
    na_th_an na_th_an June 2009 Development
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... last MSG_PAINT). i calculate dirty character cells. but then what? i ... further: I was suggesting a character-oriented approach, with a set ... a character buffer assigned for each window which you use to draw ... positioned at 3,3, you draw character 7,7 from screen 3 ...
    na_th_an na_th_an June 2011 Development
  • Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …

    I wonder how much time it would add to do a loading screen as a series of 24 headerless loads, loading 288 bytes at a time to draw character rows one by one? What's the loading time for screen data, and what's 24 data block leaders?
    joefish joefish March 2016 Development
  • Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …

    ... bytes at a time to draw character rows one by one? What ...
    Sol_HSA Sol_HSA March 2016 Development
  • Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …

    ... bytes at a time to draw character rows one by one? What ...
    Hikaru Hikaru March 2016 Development
  • Are turbo loaders worth it?I found turbo loaders fascinating and I've spent quite some time disassembling and trying different types, and they work great when I load the games …

    ... bytes at a time to draw character rows one by one? What ...
    leespoons leespoons March 2016 Development
  • Project: ZX OpusHello my friends, I have been in need of a push lately so I thought if I post some of the work for this project here you guys (and gals) can help me …

    ... I have been teaching myself ASM in the wee small hours ... a cell level - using an ASM draw routine and a bit of ... into the BITS command in ASM to move the mouse pointer ... handling in regards to Z80 ASM - getting to load bytes in ...
    Zetr0 Zetr0 March 2017 Software
  • 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…

    ... when you become an expert asm programmer, you will still ... which z88dk can accommodate your asm code for the heavy ... this reason your program should draw sprites first before doing ... isometrics.

    10. Individual character cells can now be removed ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…

    ... /> // Extern data

    #asm
    ._MB23_grid

    ; ... on screen.

    #asm
    ._MB23_render_asm

    ; Let's draw that character
    push de
    ...
    na_th_an na_th_an June 2009 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…

    ... and type something like mc30mintut.asm into the save box.
    - draw our 'car' by changing the paper colour of one character square ... to blue.
    - draw our 'road' by ...
    bigjon bigjon November 2009 Development
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... related to the draw rom subroutine. The Line-Draw require two sets ... a working example to draw a line in asm ? because i cant ...
    arfgh arfgh June 2010 Sinclair Basic
  • A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…

    ... finally end up with an asm Bresenham's drawing routine. ... a Bresenham's algorithm. This ASM routine "pokes" itself at ... />
    [CODE]
    ; ---------------------------------------------------------------------
    ; DRAW using Bresenham's algorithm and ...
    boriel boriel December 2010 Development
  • quick - Zx80 ASM questionWhile I am ploughing through lots of ASM listings, one of my earlier adaptation attempts surprised me [B][asm code][/B] [code] org 32768 start: ld…

    ... am ploughing through lots of ASM listings, one of my ... me

    [B][asm code][/B]
    [code]
    character in register 'A'
    inc ... hl ; move onto the next character
    jp printtext ; loop ...
    Zetr0 Zetr0 May 2011 Development
  • GEDit syntax highlighting for Boriel's ZX BasicHi! I just tailored this syntax highlighting code and would like to share with he community. Suggestions are always welcome, though the file works w…

    ... "


    \%{escaped-character}



    ...
    align
    asm
    asn
    ...
    do
    draw
    else
    ...
    pkersey pkersey February 2014 Development
  • Project: ZX OpusHello my friends, I have been in need of a push lately so I thought if I post some of the work for this project here you guys (and gals) can help me …

    ... a limited environment using 8x8 character blocks for snap moving the ... ? well to LEARN how to draw spectrum graphics to the screen ... either in C or ASM, There are [url="http://www ...
    Zetr0 Zetr0 September 2016 Software
  • How to separate a character from a number in a string?Hi I've been writing a kind of logo type program in BASIC that takes a string a$ from INPUT and then draws according to what you give it. Say you w…

    ... write "u20l20"
    It will draw from the current PLOT position ... can determine if the next character it reads in the string ...
    ivanb303 ivanb303 May 2017 Sinclair Basic
  • z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…

    ... Sprite Graphics Declared in external ASM File

    ... // redefine graphic associated with space character
    sp1_TileEntry('B',block);
    sp1_UpdateNow(); // draw screen area managed by sp1 ...
    slenkar slenkar June 2017 Development
  • Installing Z88DK Z88DK INSTALLATION Z88DK is distributed in two parts. The first part is the platform independent bits (including source and z80 libraries) and th…

    ... struct sp_Rect *sp_ClipStruct;
    #asm
    LIB SPCClipStruct
    ... /* Replace graphic associated with space character */
    sp_TileArray(' ', mytile);

    sp_UpdateNow(); /* draw the screen now */

    Alcoholics Anonymous Alcoholics Anonymous April 2005 Development
  • z88dk+splib2 sprites question.I'm creating a game and I have several "states" for my main sprite, such as jump, facing left, facing right, etcetera. All those states require a dif…

    ... , making it slightly faster to draw.

    * Likewise if ... is drawn at exact vertical character coordinates (requiring no vertical ... Every sprite is broken into character cell size pieces described by ... addr, int n)
    {
    #asm
    ld hl,2
    Alcoholics Anonymous Alcoholics Anonymous September 2005 Development
  • z88dk + splib2: another question (sprite instancing)I'm making some tests with z88dk+splib2, with the idea of creating a game sometime in the future, and I have come across a problem. Let's suppose I …

    ... everything, which means moving them character-by-character :(.
    [/quote]

    asm and sp_AddColSpr.asm functions and then recompiling ... . So:

    I would draw all bricks as tiles. I ...
    Alcoholics Anonymous Alcoholics Anonymous October 2005 Development
  • z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…

    ... that) is the change in draw order. splib2 always draws dirty ... 8-bitters without resorting to asm (forth is probably similar speed ... try to globally optimize the asm they produce using dead variable ... only allow one colour per character square. As I mentioned, ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • Wanted: Game Ideas!Ok then here goes nothing. I'm a reasonably good programmer, but I'm really no good at coming up with game ideas and graphics. So if any of you have…

    ... to do it in asm. In C it would ... end-scene monsters in asm might still be attractive ... and then removing individual character cells from the engine ... engine will not draw to those removed character cells, making all ... be in C or asm, whichever path the project ...
    Alcoholics Anonymous Alcoholics Anonymous April 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…

    ... Copy it to "customize.asm", which will be the customization ... to sp1\spectrum\updater\SP1GetUpdateStruct.asm

    Making ... or you only draw sprites to exact horizontal character coordinates or ... done, save the customize.asm file and make the spectrum ...
    Alcoholics Anonymous Alcoholics Anonymous April 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…

    ... 4 character tall x 3 character wide sprite, it will always draw ... -right 3 pixels within the character coordinates they occupy.
    ... generate the graphics in generic asm which I have embedded ... within #asm / #endasm directives. Labels were ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
<1234567…34>

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