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Search Again :: Adv Search 1000 results in 0.027s
<1234567…34>
  • I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…

    ... ;386369]You're probably right - it would have to ... 'd probably only need 8-byte resolution otherwise you'd ... aligned to any given 8-byte block in the ST ... for a smooth vertical scroll in pixel increments, and ... a 16 pixel horizontal scroll.

    To ...
    Matt_B Matt_B September 2009 Chit chat
  • Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…

    ... made a little man scroll right smoothly but with no ... is loaded with graphic byte from call goblin
    ... /> djnz loop ;repeat 8 times
    ld hl ...
    djnz loop2 ;repeat 8 times
    ret
    ... /> defw 18432 ;row 8 (new segment 8-15)
    defw 18688 ...
    R-Tape R-Tape February 2011 Development
  • Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…

    ... of the screen) in the right order, and repeat that in ... could start a byte earlier to do an 8-pixel scroll. In [I ... ]Cobra[/I] (the fastest scroll routine ...
    joefish joefish January 2012 Development
  • P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…

    ... talk about 1 OR 8 bit scroll
    what about ... A...then a right-to-left scroll would be as ... seeing color clash, 4 bit scroll is out.

    scroll, left and right.

    TIP ... need to PRESET the Right byte on each pixel line, ...
    RMartins RMartins June 2016 Development
  • Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…

    ... binary I could have an 8 byte buffer to store the 0 ...
    Womble Womble February 2006 Sinclair Basic
  • 8 pixel scrollingJust been playing Gunrunner (always forget how much I love this game, probs cos it's VERY hard) and wondered what other games use 8 pixel scrolling A…

    ... wondered what other games use 8 pixel scrolling AND are decent ... it seemed that if an 8 pixel scroll was used then unless ...
    CKay CKay May 2008 Games
  • Eliminator (Hewson) Level 8Is it possible to complete level 8 of this? Right at the end (I presume it's the end) there's a gap which has an indestructible pyramid in it, and I …

    ... possible to complete level 8 of this? Right at the end (I ... . Keys are o,p = left, right & space = fire. You can ...
    Daren Daren March 2012 Games
  • help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …

    Java method to mirror a byte (from SPECSAISIE 1.3 - class ... />
    public static byte reverseByte (byte in) {
    byte out= 0;
    for ... (int i= 0; i < 8; i ...
    andrewbroad andrewbroad October 2003 Development
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... YM2149 to implement a single 8 bit channel is rather simple ... the 4 MSBs of the 8 bit channel, and the other ... I was mostly on the right track about combining AY channels ... stuff about a matrix of 8-byte entries. (Maybe I need to ...
    gasman gasman March 2004 Sinclair Miscellaneous
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... stuff about a matrix of 8-byte entries. (Maybe I need to ... to mix four channels is right (if not obvious) but the ... . Eg: if each channel is 8 bit, mixing four channels by ... them to get a single 8-bit sample means each channels ...
    Alcoholics Anonymous Alcoholics Anonymous March 2004 Sinclair Miscellaneous
  • Did Sonic the Hedgehog ever come out on the Speccy?Couldn't find anything in the Archive.

    ... , but when you write a byte to the attributes, you are ... into a fast full-colour 8 way scroll routine.
    dansauk dansauk July 2005 Games
  • Did Sonic the Hedgehog ever come out on the Speccy?Couldn't find anything in the Archive.

    ... , but when you write a byte to the attributes, you are ... into a fast full-colour 8 way scroll routine.
    dansauk dansauk July 2005 Games
  • 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…

    ... currentFrame is set to nextFrame right after the call to store ... using the original sprite facing right [I]and then[/I] ... i.e. walking left, walking right, falling down, jumping left, jumping ... particular char square into an 8-byte buffer before copying the final ...
    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…

    ... ") are drawn into a 8-byte pixel buffer and a single ... is drawn in left to right, top to bottom on ... LB (left border), RB (right border), NR (no rotate) ... the current character are rotated right. When RB type, there ... extra column on the right to catch pixel of ...
    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…

    ... screen is held in the 8-byte pixel buffer. By using an ... written and "rshift" is the right shift amount in pixels (0 ... of the sprite graphic shifted right 2 pixels, etc. Relative address ... distance between the graphic shifted right 0 pixels and the unshifted ...
    Alcoholics Anonymous Alcoholics Anonymous May 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…

    ... method with attr byte specified within the sprite ... engine to rotate attributes right when the sprite ... is shifted right by 4 pixels, ... pixels) into a fixed 8-byte pixel buffer (this is ... byte commands within a string to move cursors up, down, left, right ...
    Alcoholics Anonymous Alcoholics Anonymous December 2006 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... the font as 1 per byte (both nibbles contain the same ... , one for left, one for right - which could be changed to ... font is aligned to an 8-byte offset, you can change your ...
    icabod icabod January 2007 Development
  • 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..…

    [QUOTE=Woody;175128]blah[/QUOTE]

    Here he is! :)

    Edit:

    Here's the other info: A bit quick otherwise it'd have been weekend.

    table a1f6
    ========

    (this will need relocating/updating ...
    Mr. Anonymous Mr. Anonymous March 2007 Development
  • Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…

    ... loadloop ;decrease b and repeat 8 times

    setstartvariables
    byte to the right
    rr (hl) ;rotate second screen byte to the right ... coloums in byte

    moveonecharacter
    ld c,8 ;reset c ...
    Rickard Rickard May 2007 Development
  • Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…

    ... loadloop ;decrease b and repeat 8 times

    setstartvariables
    byte to the right
    rr (hl) ;rotate second screen byte to the right ... byte
    jr nz, loop0 ;repeat 8 times, for all coloums in byte ...
    Dr BEEP Dr BEEP May 2007 Development
  • How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…

    ... row (this includes left and right border, horizontal flyback and the ... moving.

    Since the byte copy takes a serious chunk ... for each cell into an 8-byte buffer before copying the result ...
    Alcoholics Anonymous Alcoholics Anonymous May 2007 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…

    ... can now have an 8-byte buffer specified by memory ... if the most significant byte is not zero the ... the sprite which is right at the beginning so ... function of RB type (right border). RB draw functions ... the sprite that rotate right into the last character ...
    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…

    ...
    // have single byte 7643210 in bmp
    // ... m_ptr; // equals zero for scroll off
    uchar counter; ... memset(s_buffer, 0, 34*8); // clear scroll bitmap
    message = ... a message to scroll, scroll it
    ...
    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…

    ... a pointer to a 6-byte "struct plot" so adding "row ... /> if (col != 8)
    (f)(p - 8); // visit up-right
    }

    (f)(p + 2); // visit right-right

    if (row < ...
    Alcoholics Anonymous Alcoholics Anonymous August 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…

    ... [b]d_PrintDoubleW()[/b]. The pixel scroll routine requirement has changed (the ... double width characters for the scroll. So a little later ... on, after the new scroll routine is incorporated, I' ... 16-bit address for an 8-byte UDG graphic definition used as ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • I just learnt that Spectrum has 1kB of unused ROMWell, man learns through all his life. I have just discovered that Spectrum has over 1 kilobyte of unused ROM memory, from address 14446 to 15615. Al…

    ... an execution trap (a 256 byte area) for the Spectranet indirect ... a very small 8 byte entry point area right at the top of ...
    Winston Winston October 2008 Development
  • I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…

    ... happen to remember how the byte resolution trick (I assume actually ... ST :)[/QUOTE]You're probably right - it would have to have ... , you'd probably only need 8-byte resolution otherwise you'd be ...
    joefish joefish September 2009 Chit chat
<1234567…34>

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