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<1234567…34>
  • 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…

    ... "drawtile" function which would draw a variable-sized static tile (i.e ... "switch to the graphics charset, draw the background; switch to the ... (yet) another question: If I draw something to the screen [I ... to the screen and then draw the tiles and render the ...
    na_th_an na_th_an September 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…

    ... "drawtile" function which would draw a variable-sized static tile (i.e ... "switch to the graphics charset, draw the background; switch to the ...
    Alcoholics Anonymous Alcoholics Anonymous October 2005 Development
  • Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …

    ... by having to update a third variable every time the object moves ...
    joefish joefish June 2014 Sinclair Basic
  • Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …

    ... by having to update a third variable every time the object moves ...
    ccowley ccowley June 2014 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]…

    ... system variable COORDS.< ... ; ---------------------------------------------------------------------
    ; DRAW using Bresenham's algorithm ... br />
    ;; DRAW PROCEDURE
    PROC
    boriel boriel December 2010 Development
  • Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…

    ... as well as a number variable in 2030
    320 ... CLS
    410 REM *** Upper third Menu area ***
    420 PLOT ... cosmetically.
    780 REM *** now draw window top/bottom ***
    790 ... on startup.
    1300 REM Draw bottom right screen 'speaker' ...
    RetroPhase2014 RetroPhase2014 December 2015 Sinclair Basic
  • 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…

    ... update the timer in system variable FRAMES. Since 0x38 lies in ... /> There are a (very) few third-party peripherals that could generate ... /> ; * d4f5 - d4f6 SP1.LIB sprite draw function table (indexed by type ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 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…

    ... of 16 pixels would draw the mountains outside the ... function we've managed to draw the shifted mountain graphic ... "mtn_rotateLeft" this time, to draw this last bit of mountain ... [/code]

    The global variable "g_uchar0" gets an attribute consisting ...
    Alcoholics Anonymous Alcoholics Anonymous September 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…

    ... locations to hold variable contents. However there is a third type of ... manager like malloc, which supports variable size blocks, may not be ... of that character left to draw is in "g_scrollShift" (which can ... number of pixels yet to draw in the current char in ...
    Alcoholics Anonymous Alcoholics Anonymous October 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…

    ...
    [code]
    1. draw colony's land plots on ... }
    else
    {
    // third or fourth place player
    third/fourth place players only ... pointed at by the global variable "g_textBuffer". Some spaces ...
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Development
  • BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…

    ... tolerance of it is highly variable.[/QUOTE]

    I'm ... and sometimes you have to draw the graphics in "pieces" so ... the lower half or lower third of the screen.

    Sadako Sadako June 2010 Development
  • Hungarian notation for asm - Yes or No ?There is thing called hungarian notation - https://en.wikipedia.org/wiki/Hungarian_notation Basically it is all about using prefixed indetifier to i…

    ... one, and I sense the third might be relevant too ;)
    draw block diagrams for things, or ... and when you realise the variable you need access to lives ... have everything be a global variable and any function that needs ...
    guesser guesser July 2015 Development
  • High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …

    ... , pixels only, using ldirs of variable width. I think this takes ... addresses and values ready to draw.

    The high scores ... destination don't have any third-screen jumps in them. As ...
    colonel32 colonel32 July 2017 Assembler
  • Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…

    ... />
    ORG 41472 ;third row of background data
    DRAW (FIRST BLOCK)

    ;draw four more columns
    ... br />

    * Draw end of row
    * If ... br /> * necessary to draw one more tile (right ...
    dmsmith dmsmith September 2004 Development
  • 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…

    ... only comparison non technical people draw between the machines was the ... typing speed down by a third. Intended as a machine for ...
    Scottie_uk Scottie_uk August 2006 Sinclair Miscellaneous
  • Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…

    ... noticed that the DRAW statement is used to draw lines (or it ... command was used to draw lines and the DRAW statement was completely ... position isn't updated after draw)
    B = blank (move but ... don't draw)

    "U8R8D8L8" would draw a square 8 ...
    JamesD JamesD February 2007 Development
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... bytes per line
    ldir ;draw line

    ... IncY ;get next line draw position, return in de< ... bc ;one less line to draw
    dec bc
    third, adjust de to the ...
    HexDump HexDump April 2007 Development
  • What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…

    ... 't they make CPUs only draw in as much power as ... claim that it's the third party program at fault, but ... three explorer windows and no third party programs.

    * People ...
    ewgf ewgf August 2007 Chit chat
  • Please Ignore this thread !!!Well looks like you didnt, ok dokey. Ever wonder if the Roman Empire is Still Going ? Yes the Catholics ! you might cry, fare point, but whos on to…

    ... way when they take the third degree.

    PPPPs. Really ... though, really this is top draw and you will earn CASH ...
    Cornishdavey:)) Cornishdavey:)) November 2007 Chit chat
  • New and updated software for ResiDOSI've posted an update to the TapeIO package for ResiDOS. This includes a couple of bugfixes and an enhanced listing in the %TAPELIST command, showing…

    ... the %TAPELIST command, showing array variable names, BASIC autorun line numbers ... ]
    [*]Tasword 2
    [*]Melbourne Draw
    [*]Picturesque Code Machine Monitor ...
    glancaster glancaster June 2008 Announcements
  • Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…

    ... ) it calculates

    ;we draw a pixel in each of ... =r^2 represents the real variable equation of a circle which ...
    rtunes rtunes September 2008 Development
  • Draw (x1,y1) to (x2, y2)?I was never very good at math. :( Given the above variables, what should I do to draw a line between the two pixels? How do I calculate the values fo…

    ... , what should I do to draw a line between the two ... I calculate the values for DRAW?

    I thought it ... />
    PLOT x1,y1
    DRAW ????.????

    I've seen ...
    zxbruno zxbruno May 2009 Sinclair Basic
  • 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…

    ... _MB23_render_asm

    ; First third:

    ld hl, _MB23_grid ...
    ; Let's draw that character
    push de ...
    ; And just draw 8 bytes to the screen ...
    na_th_an na_th_an June 2009 Development
  • wanna draw zx graphics :)Is anybody looking for a zx graphics ? I would like to help with graphics if there are projects that need it. Here is an example of a sprite (may be …

    ... big for a sprite) i draw today just for test :)))
    beZz beZz August 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…

    ... this chapter we will
    - draw our 'car' by changing the ... character square to blue.
    - draw our 'road' by using a ... road. This points to a third of the way along the ...
    bigjon bigjon November 2009 Development
  • Oooh! Good draw!England has come up trumps with the World Cup 2010 draw. We're in group C, playing against USA, Slovenia and Algeria. I think it's pretty safe to say…

    England has come up trumps with the World Cup 2010 draw. We're in group C, playing against USA, Slovenia and Algeria. I think it's pretty safe to say that we won't be knocked out of the 1st round :D
    The Starglider The Starglider December 2009 Chit chat
  • How do I know where my C compiler is putting my variable?Let me show you my code. I am writing a Z80 emulator (z80.c) which sets up a bit of shared memory for communication with another process. Well, I got…

    ... shared memory, and initialises a variable bl_ctrl to 1. It sleeps ... address spaces, so that the variable is not located in the ...
    wilsonsamm wilsonsamm December 2009 Chit chat
  • Vector font in BASiCHi guys) Some fifteen years ago I saw a quite short BASIC prog that could simulate a vector font with size/ thickness/ italicization params. I remem…

    ... /> 210 PLOT 20,165: DRAW 0,-145: DRAW 225,0
    220 ... PRINT ""
    770 PRINT " ORIENTATION VARIABLE. "
    780 PRINT ""
    790 ... PRINT ""
    970 PRINT "THICKNESS VARIABLE."
    980 PRINT ""
    990 ...
    NRA NRA February 2010 Sinclair Basic
  • 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 ... show a working example to draw a line in asm ? because ...
    arfgh arfgh June 2010 Sinclair Basic
  • DRAW x,y,a Algorithm - how does the ROM do it?Hi all, Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs. This is don…

    ... . This is done by using DRAW x,y,a where the ... provide an example of the DRAW command implemented in BASIC - but ... be clear, I can already draw bezier curves (and therefore, so ...
    Dunny Dunny August 2010 Sinclair Basic
<1234567…34>

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