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  • That painter thing..I'm struggling to think of a non clunky way of detecting when a 'box' has been surrounded and can be highlighted, like in the pic: [IMG]http://i1142…

    ... .e. each turn at an intersection), I'll have to think ... />
    EDIT: Something along those lines should work for non convex ...
    Paradigm Shifter Paradigm Shifter November 2013 Development
  • Spectrum CP/MHello.. Just out of curiosity, has anyone actually used +3 CP/M for any practical purpose? I remember booting it up a couple of times years ago, jus…

    ... generate heat and you can draw isothermal lines around it. Matched transistors ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 Sinclair Miscellaneous
  • Sierra AGII've been thinking recently about starting a project to port Sierra's AGI engine to the ZX Spectrum 128. I've been reading the AGI specs and to me i…

    ... instead the game would simply draw the outlines of the screen ... storage space. [/I][/COLOR] - drawing lines, filling shapes would be slow ...
    Ralf Ralf January 2014 Development
  • Sierra AGII've been thinking recently about starting a project to port Sierra's AGI engine to the ZX Spectrum 128. I've been reading the AGI specs and to me i…

    ... instead the game would simply draw the outlines of the screen ... storage space. [/I][/COLOR] - drawing lines, filling shapes would be slow ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Development
  • Sierra AGII've been thinking recently about starting a project to port Sierra's AGI engine to the ZX Spectrum 128. I've been reading the AGI specs and to me i…

    ... instead the game would simply draw the outlines of the screen ... storage space. [/I][/COLOR] - drawing lines, filling shapes would be slow ...
    Einar Saukas Einar Saukas January 2014 Development
  • Clearing 22 lines of the screenHow do I go about clearing the top 22 lines of the screen and leave the bottom #0 area untouched? I have a routine to reset the attributes, but cant…

    ... /> ld c,8 ; 8 pixel lines
    loop2: ld b,6 ... /> push de
    djnz line ; draw next character line up
    jp nz,loop2 ; 8 pixel lines?
    ; top 2/3rds = 4096 ...
    FrankT FrankT January 2014 Development
  • Isometric GamesAs a longer term project I'm thinking of attempting an isometric game, along the lines of Alien8, but with Magic Knight. No promises though, because …

    ... isometric projections because your horizontal lines run in two planes at ... . So you always have to draw the part of the object ...
    csmith csmith January 2014 Development
  • Isometric Adventure GamesI am writing up a page about 3D isometric adventure games and wanted to know a few things. First off what was the first 3D isometric game for the ZX…

    ... the limitations of raster graphics. Lines in the x and y ... be used to draw the x and y axis lines, resulting in ...
    Ralf Ralf January 2014 Games
  • Isometric Adventure GamesI am writing up a page about 3D isometric adventure games and wanted to know a few things. First off what was the first 3D isometric game for the ZX…

    ... along something like the following lines.

    1/ Axonometric games ... is much more practical to draw the axes by moving two ...
    David Jones David Jones January 2014 Games
  • Isometric Adventure GamesI am writing up a page about 3D isometric adventure games and wanted to know a few things. First off what was the first 3D isometric game for the ZX…

    ... the limitations of raster graphics. Lines in the x and y ... be used to draw the x and y axis lines, resulting in ...
    murtceps murtceps January 2014 Games
  • IF1bis StabilityI just thought I would start a different thread relating to the IF1bis, and leave the copyrighters to it elsewhere...:-P I've had mine for a few mon…

    ... = C (dV/dT) the current draw during the transition can be ... 2 (two), yes TWO output lines simultaneously?

    - ?Devilish? behavior ...
    Dan Antohi Dan Antohi January 2014 Hardware
  • ZX Alien BreedNot sure if this has been mentioned already (I did trawl the threads but couldn't see anything :smile: ), but I've always hankered after a Speccy Ali…

    ... went for a massive 4 lines are:
    1 - a 32x20 ... , so no need to re-draw it. Opting for Dirty Rectangle ... is finalise the code do draw it to the db screen ...
    LuMan LuMan January 2014 New game ideas
  • 1984-2014here I will account for my journey through games released thirty years ago, just like last year for 1983 games, and you can do the same.

    ... black lines on the white background, and terribly slow to draw. Luckily ...
    WhenIWasCruel WhenIWasCruel January 2014 Games
  • Why are multicolour engines only able to be made now?Now I'm no programmer, but, how come multicolour engines are only being created/designed now? I know there were Rainbow Graphics used in games in the…

    ... s 312 lines of image the TV has to draw (though ... , you have effectively 64 lines of top border, then ... the 192 lines of pixels, then 56 lines of bottom border ... is refreshed. So 192 lines of multicolour takes up 192 ... to consider the 64 lines of border above the ...
    joefish joefish January 2014 Brand new software
  • Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…

    ... printing text be modified to draw to somewhere else in ram ... channel to screen (top 22 lines)
    ld de,dat
    Speccy_James Speccy_James February 2014 Development
  • Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…

    ... printing text be modified to draw to somewhere else in ram ... channel to screen (top 22 lines)
    ld de,dat
    Jerri Jerri February 2014 Development
  • Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …

    ... sprites so we don't draw attributes again

    ;paint ... /> JP Z,DrawAttr1D ;these are lines on the ground, we want ...
    Ralf Ralf February 2014 Games
  • 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 …

    ... display
    ld (hl),d ; draw right side of 1st line ... display
    ld (hl),d ; draw right side of 7th line ... 11th/12th and 13th/14th lines
    pop de ; load bomber ... display
    ld (hl),d ; draw right side of 15th line ...
    Einar Saukas Einar Saukas February 2014 Development
  • Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…

    ... would take more work to draw on.

    Could SPECTRA ... by feeding it swapped address lines so instead of $4nnn address ...
    joefish joefish April 2014 Hardware
  • Beeper and Sprites at the Same Time?[URL="https://drive.google.com/file/d/0B6XhJJ33xpOWX1pQLS14RnppNFE/edit?usp=sharing"]Why not?[/URL] "q" for quit "m" to change sprite mode any other…

    ... ]
    My thoughts along those lines were for a [I]Sonic ... the foreground scrolls. You could draw sprites with transparent PAPER, and ...
    joefish joefish April 2014 Development
  • Read Data from memoryHi there. Not been on this scene for a long time. Does anyone know how to do a routine to read data from memory(peek..etc) rather than using lines of…

    ... use data from it to draw and play your level.
    lines..there still a lot i ...
    davepierce07 davepierce07 May 2014 Sinclair Basic
  • USB Keyboard Interface interest?Hi, I was wondering if anyone else out there is interested in a USB interface for the ZX Spectrum (particularly the rubber key models, though it sho…

    ... data lines. I'm just too under the weather today to draw ...
    guesser guesser May 2014 Hardware
  • Tile engine and slight colour flickerOver the past few nights I've been working on a simple tile game engine for a rock fold game I'm making. While all is going surprising well I've not…

    ... -write the copy routine to draw line-by-line with attributes ...

    ; Displays 8 pixel lines to the screen

    richdotward richdotward June 2014 Development
  • Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…

    [QUOTE=Dock;774114]Experimenting more has lead me to realise the limitations in my own code, so I'm going to try to keep it as simple as possible. Next step is to get the game responding to certain tiles as collectables or switches.[/QUOTE]

    ...
    Battle Bunny Battle Bunny June 2014 Sinclair Basic
  • Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…

    ... other. The renderer could draw to anything, including the ... have to understand a few draw commands (lineto, point, ... , which would make the draw code faster. The pipeline ... lines, matrix transformation, clipping against boundaries. At each stage, a single draw ...
    Alcoholics Anonymous Alcoholics Anonymous June 2014 Sinclair Basic
  • Porting Blues Brothers CPC->ZX...just an ideaI've just watched a video of the CPC version of the Blues Brothers games by Titus [url]http://www.youtube.com/watch?v=6DOj-Ta3Ek4...Based[/url] on th…

    ... for two lines to hold score/lives/etc (or just draw them ...
    Sokurah Sokurah June 2014 New game ideas
  • Porting Blues Brothers CPC->ZX...just an ideaI've just watched a video of the CPC version of the Blues Brothers games by Titus [url]http://www.youtube.com/watch?v=6DOj-Ta3Ek4...Based[/url] on th…

    ... for two lines to hold score/lives/etc (or just draw them ...
    polomint polomint June 2014 New game ideas
  • Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…

    [QUOTE=Battle Bunny;774142]Here's some extracts from a program which I've been working on recently, which illustrate some methods to consider. An exhaustive commentary follows ...

    [code]
    35 LET j1= 0: LET j2=-1: LET s=1: RETURN
    ...
    davepierce07 davepierce07 June 2014 Sinclair Basic
  • Porting Blues Brothers CPC->ZX...just an ideaI've just watched a video of the CPC version of the Blues Brothers games by Titus [url]http://www.youtube.com/watch?v=6DOj-Ta3Ek4...Based[/url] on th…

    ... thicker, and merge it with lines into the cyan centre of ... .

    Then when you draw the sprite, it only need ... , and a second pass to draw the sprite conventionally over what ...
    joefish joefish June 2014 New game ideas
  • Drawing a dotted line...Hi Folks, I cannot be the first person to want this (?) so here goes! Does anyone have a MC routine that does the same as the BASIC DRAW command bu…

    For straight lines the whole $2382 DRAW routine, which takes up seven ... =-255=175+USR DOTS: REM DRAW coords on calc.stack
    lines

    CALL $2307
    Battle Bunny Battle Bunny July 2014 Sinclair Basic
<1…12131415161718…34>

Latest Posts

  • I am currently watching.....
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    John Elliott on April 21
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