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Search Again :: Adv Search 1000 results in 0.032s
<1234567…34>
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... for each tile. The attribute data is directly after this ... use POKE in order to get things displayed in row ... by direct POKE, becuase attribute coordinates can be easily calculated directly ... x,y cursor coordinates by adding them by:< ...
    48K 48K February 2007 Development
  • The Non Randomness of Sam BasicHows about this for weird. Hardly ever bothered with such simple stuff before but this is what I just did on the Sam ( as in a real one now I've got …

    ... its faster, and obviously you get attribute clash, but its roughly the ...
    DonkeyPong DonkeyPong June 2007 Sinclair Basic
  • PLOTTER - display file utilityI've been disassembling Gyron and needed something to help with working out where things were being put on the screen, so I wrote this program. I was…

    ... 1 or 2 display or attribute coordinates or addresses, and the program ... address and a row,col coordinates pair.
    Entries which ... value]]

    V = verify coordinates
    + = relative value (+ or ... right, so if the coordinates haven't been entered in ...
    Battle Bunny Battle Bunny August 2014 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 …

    ... square. Loads in attribute order. Routine ... attribute address
    ld a,(hl) ; get attribute
    ld (de),a ; put attribute ... $0000 ; 14ts ; retrieve attribute address
    inc ix ; ... 10ts ; next attribute
    xor a ; 04ts ...
    FrankT FrankT February 2017 Assembler
  • Convert x,y to Attribute Address in AssemblyWhat is the fastest way, given x,y (in hl) to return the attribute address?

    ... is very simple:

    ; Get Attribute Address
    ;
    ; Computes the ... attribute address corresponding to a screen< ...
    ; exit : de = address of attribute square
    ; uses : af, de ...
    rtunes rtunes December 2005 Development
  • Convert x,y to Attribute Address in AssemblyWhat is the fastest way, given x,y (in hl) to return the attribute address?

    ... is very simple:

    ; Get Attribute Address
    ;
    ; Computes the ... attribute address corresponding to a screen< ...
    ; exit : de = address of attribute square
    ; uses : af, de ...
    Dr BEEP Dr BEEP December 2005 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…

    ... />
    I made attribute fader which I used in ... table of pre-calculated attribute values. It's pretty ... LD BC,#0300 size of attribute area
    LD H ... :
    LD A,(DE) get attribute value
    LD L,A ...
    LDI move attribute from table to vram
    omega omega April 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…

    ... />
    I made attribute fader which I used in ... table of pre-calculated attribute values. It's pretty ... LD BC,#0300 size of attribute area
    LD H ... :
    LD A,(DE) get attribute value
    LD L,A ...
    LDI move attribute from table to vram
    bobs bobs April 2007 Development
  • The Non Randomness of Sam BasicHows about this for weird. Hardly ever bothered with such simple stuff before but this is what I just did on the Sam ( as in a real one now I've got …

    ... its faster, and obviously you get attribute clash, but its roughly the ...
    mjwilson mjwilson June 2007 Sinclair Basic
  • Collision detectionI understand the basic methods for testing for collisions but I have question about the trickier situation of testing for when shots hit the backgrou…

    ... ...
    ld a,(hl) ; get attribute
    add a,a ; move ...
    ret m ; return if attribute is BRIGHT

    or ...
    frobush frobush July 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…

    ... coloured since you won't get attribute clash with scrolling that amount ...
    bobs bobs February 2008 Development
  • Recently acquired divIDE 57cI recently got hold of a divIDE 57c (whilst waiting RWAPs divIDE plus to materialise...) I have installed the interface and powered up my zx spectr…

    ... 'E' is inserted, you will get attribute chaos after switching on.
    FrankT FrankT June 2009 Hardware
  • Best Spectrum game from 2009Ok, its almost 2010, and we have to decide which was the best game this year :) Miles Mad Mission [url]http://www.worldofspectrum.org/infoseekid.cg…

    ... of Flash bit in attribute. If flash attribute is set, Paper becomes ... use it to split the attribute into upper and lower halves ... late, now. You'd still get attribute clash.
    joefish joefish January 2010 Games
  • Easy way to print text in machine code?Please? It sounds so simple, but I've never done it. At the moment I'm grabbing the start address for each letter then printing them out one at a t…

    ... keeps adress of attribute

    ld a, (text_attr) ;get attribute
    ld ...
    Fikee Fikee March 2010 Development
  • ZXDS Diary concept...Hi Folks, I have been a fan and long time user of Psion PDAs - alas they are no more and my trusty 3mx is on its last legs. As I almost have my han…

    ... not work as you will get attribute bleed. :-(

    But having ...
    Paddy Coleman Paddy Coleman June 2011 Development
  • ZXDS Diary concept...Hi Folks, I have been a fan and long time user of Psion PDAs - alas they are no more and my trusty 3mx is on its last legs. As I almost have my han…

    ... not work as you will get attribute bleed.[/QUOTE]

    the ...
    tstih tstih June 2011 Development
  • Help with Manic Miner tweaksPlease. :) This is the Software Projects version, simply as I had it to hand. [B]Problem 1:[/B] I've learned a bit (actually quite a bit) and manag…

    ... score
    LD A,L ;Get low byte of address of ... item
    LD A,(DE) ;Get attribute
    AND 7
    CP ...
    John Elliott John Elliott July 2014 Games
  • Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…

    ... are as they don't get allocated coordinates when they move down ...
    Battle Bunny Battle Bunny May 2017 Sinclair Basic
  • Getting attribute location from a screen coordinates (x,y)I am having trouble figuring out how to convert an x,y coordinate pair (pointing to a specific pixel) to the location of the attribute for the block …

    ... ) to the location of the attribute for the block that contains ...
    Scrapheap Scrapheap April 2006 Development
  • bitmap address to attribute addressI've searched, but I don't seem to find the proper keywords. I have a bitmap screen address in DL, character aligned (the address of the top byte of…

    ... a quick way to get the corresponding attribute address fiddling with that ...
    na_th_an na_th_an November 2013 Development
  • Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…

    ... ,r

    200 REM Coordinates to start fill
    210 ...
    Volker Volker February 2021 Software
  • Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…

    ... whole lot to know to get started programming the Spectrum. ... makes the connection to pixel coordinates:

    X
    ... SSS=0 through 7 to get the 8 udg bytes ... close connection between character coordinates, screen address and attribute addresses. I'll ...
    Alcoholics Anonymous Alcoholics Anonymous June 2003 Sinclair Miscellaneous
  • 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…

    ... the coloured tiles beneath get tinted by the sprites ... at exact vertical character coordinates (requiring no vertical shifting ... hor_rot;
    uchar colour; /* attribute in spectrum mode, threshold in ... Another option is to get addresses of the colour ...
    Alcoholics Anonymous Alcoholics Anonymous September 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…

    ... br />
    There are also attribute-only sprites with no associated ... drawn at exact vertical character coordinates (otherwise things will not look ... me a few days to get things working.

    ... be nice. Eventually z88dk will get a new assembler able to ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • Background image with SP1 and Z88DKWhat is the prefered way to place an entire (or very large) image in the background when using SP1? Should I convert it to a long (32*24=768 ) list o…

    ... sp1_update associated with current cursor coordinates

    };
    [/code]< ... (y,x); the current attribute and attribute mask to use; flags that ... rectangle will be dropped. Coordinates are also relative to the ... post here and we'll get it working.
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... be found? Where can I get one?
    [/quote]
    ... and a 256x192 pixel 32x192 attribute mode. Unfortunately very little ... with pixel, character or relative coordinates. The background is composed ... first game but to get the absolute best performance ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • 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…

    ... address from pixel coordinates, screen address from column coordinates, attribute address from screen ... to use "zx_cyx2aaddr()" to get an attribute address corresponding to character coordinate ...
    Alcoholics Anonymous Alcoholics Anonymous July 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…

    ... owner - 1] & 0x38; // get player colour in paper
    coordinates corresponding to the top left ... uchar colour; // +1 background tile attribute
    uint tile; // +2 ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • JSW... how does the game "finish" in assembly?It seems the ZX and C64 versions of Jet Set Willy suffer from the same "unfinishable" problem. Thankfully the ZX version has been patched with pokes …

    ... 9579 E61F AND &1F ; Get X coordinate
    957B FE06 ...
    LD A,(CONVEYOR) ; Get conveyor attribute
    CP (HL) ; Check ... attribute under Willy
    JR Z ... Willy's X and Y coordinates = whatever) routine that changes ...
    DanSolo DanSolo May 2008 Games
<1234567…34>

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