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  • Here to go!Welcome to the new look! This migration took [B]a lot[/B] longer than expected (2 hours on the test setup, 5 hours on WoS), but everything ought to b…

    ... ]That's indeed the complete set at this moment!


    What about:
    above 16384 = SCREEN$
    above 65535 = GAMESTAGE (because everyone ... knows that above 65535 you'll ...
    FRGT/10 FRGT/10 April 2006 Sinclair Miscellaneous
  • Shoot-em-up Development UpdateHi Folks, I am still working away at my horizontal scroller. Here is a link to let you see progress. I have re-written the scrolling routine to make…

    Yes Rob, the screen is cleared and only ... br /> ; SCROLLING ROUTINE WITH 2 PIXEL PRECISION
    ;==============================================================[/FONT]
    ... /> JR NZ,RENDER2
    SET 7,D[/FONT]
    [FONT ...
    dmsmith dmsmith April 2006 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…

    ... different orders, eg the pixel info in column major ... ) with the rules already set up. Right now, I ... choose a particular attr set for the sprite depending ... . Now, having a set of possible colours for ... attr definitions from a single screen$.

    Here ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 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…

    ... on screen. If your display size (configurable) is set at ...

    For horizontal pixel rotation, each "struct sp1_cs" contains ... pointer to the 8x8 pixel graphics occupying the "struct ... This negative offset for vertical pixel placment is the reason why ...
    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…

    ... /> - Up to 256 unique 8x8 pixel background tiles can be displayed ... size is configurable).

    - Screen graphics could be stored as ... the edge of the screen. An entire screen could be called with ... cells from the engine as above so that the graphics are ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…

    ... up to an entire vertical pixel screen line at a time. As ... ; set source Y position
    ld a,a ; select accelerator screen blt ... ,d
    out (yport),a ; set dest Y position
    exx ...
    glancaster glancaster April 2006 Hardware
  • 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…

    ... and just above the background.

    SP1 divides the screen into ... type are copied into the pixel and attribute buffer and any ... the finished pixel and attribute buffer are copied to the screen.
    pixel rotation of the sprite (0 ...
    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…

    ... will allow you to set up whatever kind of memory ... area must lie entirely on screen.

    Example: ... rows on top of the screen (for scores) and ... don't need it, set its location to $0000. ... sprites at exact vertical pixel coordinates even without the ...
    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…

    ... masked 16x16 pixel sprites and move them around the screen in straight ... be downloaded from the link above.

    I guess the ... with by the code fragment above.

    SP1 contains 33 ... shown in the code fragment above.

    There are five ...
    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…

    ... free function "u_free" as shown above.

    When you ... = {0, 0, 32, 24}; // full screen


    // Table Holding ... IE- it covers the entire screen. When sprites are moved, they ... to use IM2 mode to set up our own interrupt routine ...
    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…

    ... means each individual 8x8 pixel sprite character making up ... only (the attribute was set to INK_RED with zeroes ... elsewhere, the attribute mask set to INK only so ... ) // if sprite went off screen, reverse direction
    se-> ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... /> ld a,(shipy) ;calculate screen region from shipy value i ... ld a,(shipy) ;calculate screen region from shipy value ii ... pixel row of the character lines in middle third of the screen ... screen (now one character line down)? Regardless of whether adding 32 set ...
    48K 48K May 2006 Development
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... pixel row of the character lines in middle third of the screen ... screen (now one character line down)? Regardless of whether adding 32 set ... is only safe on valid screen addresses from lines 0-190 ... of a line on the screen from lines 0-190.
    Kiwi Kiwi May 2006 Development
  • Loading schemes18 years ago I hated loading schemes like Alcatraz and Speedlock because they were a b*tch to copy and became unreliable when the tape got older. Now…

    ... printing instructions on the screen, then clearing them off ... was loading screen blocks as a set of nine ... bytes (eight for the screen ... slowly brought up the screen one pixel line at a time ... the earliest non-standard screen loading systems being ...
    JonNorth JonNorth May 2006 Games
  • How to create pretty screenshot maps[size=+1][b]A. What will I need?[/b][/size] 01. Your favorite [url=http://www.worldofspectrum.org/emulators.html]Speccy emulator[/url]. 02. An util…

    ... ZX SS (the section C above). Set these values: Left=0; Right ... first screen. Remove a main character (the section E above).

    06. Focus the emulator, visit other screen, press ... key for placing the second screen and press ENTER.
    < ...
    Pavero Pavero May 2006 Support files
  • Wide sprites in SP1 + Z88DKThe calls to sp1_CreateSpr(); and sp1_AddColSpr(); seems to have changed. Could someone please offer help in how to create a wide (wider than 16 pix…

    ... "view mask" checked, the set pixel / reset pixel will apply to the mask ... /> SP1 has set bits in the mask where the screen underneath should ... to put set bits where the sprite should cover the screen (ie ...
    Alcoholics Anonymous Alcoholics Anonymous May 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…

    ... the source file I linked above, but I'll extract ... If the xwrap flag was set and the print position went ... x position will also be set to 0 (with respect ... the yinc flag was also set the y position will ... to print an entire level screen with a single string (and ...
    Alcoholics Anonymous Alcoholics Anonymous May 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…

    ... back buffer". The back buffer (screen$) will need to be organized ... address stored in the struct_sp1_update.screen + an offset.

    ... store the screen$'s pixel data, and you'll need to set the ... colour). If you store the screen$ in full (6912 bytes ...
    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…

    ... : sp1_TileEntry(0, -0x4000 + screen); . Do not use "screen - 0x4000" -- I found ... screen$ is only (up to) 6144 bytes long as only pixel ... tile graphics with a background screen$ for background.

    ... .c in a previous test set. That test program, if ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • MAME on the Spectrum?Yes, I know it's currently AY's job to make ludicrous posts (a position he's filling in very well, until TKRAP returns), but just out of interest, if…

    ... approach the bottom of the screen otherwise they would get there ... on by selectively dropping pixel rows, mainly above the invaders and below ...
    obo obo May 2006 Emulators
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... ,h
    add a,a ;Set highest bit of seed to ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…

    ... being set at a particular time. Print a message to the screen ... accurate clock, however, it is set to 09:30 to start ... promised to leave what's above RAMTOP alone, I'd tend ...
    emleymoor emleymoor July 2006 Sinclair Basic
  • Is Sabre Wulf a good game?Because i've never played it but i have the original cassette so is it worth booting up, or is it one of those games that's almost impossible to fini…

    ... - yes, it was an easy set of keys to program in ... sword around, having vulnerable points above and below balanced the gameplay ... you are catapulted across the screen. On many occasions I've ... , indeed - how to navigate a screen-high vertical path without getting ...
    Dunny Dunny July 2006 Games
  • Playing Denied Ultimate GamesHmmm, maybe this belongs in Emulators but it is game specific. Just been leafing through Games(TM) in Smiths and there's an article about a (strong)…

    ... sometimes leaves a menu on screen (the right-click-the-mouse ... file" option either, in the above dialogue box? The Atari ST ... 'Windows Compatible'. They can only set guidlines and hope 3rd parties ...
    ewgf ewgf August 2006 Games
  • TAP conversion project?I was wondering if there's any concerted effort to produce TAP versions of games only available in TZX or Z80/SNA/SLT format? Or are snapshots consid…

    ... so enter the debugger and set a breakpoint on $8317, ... it. Set a breakpoint on $8329 (after the screen has been ... bytes into $6B00 so set a breakpoint at $8333 ... into one file and set the headers to point ... file above is a little fancier (it blanks the screen and ...
    StuBruise StuBruise September 2006 Games
  • 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…

    ... was expecting. It divides the screen into 8x8 blocks of pixels ... resolution. It's 2 bits/pixel with additional pallette control. 1 ... up to 4 bits per pixel and 1 byte represents 2 ... mode. But it lets you set 16 colors side by side ...
    JamesD JamesD September 2006 Sinclair Miscellaneous
  • Spectrum Screen Memory MapWhat's the advantage (mistery?) behind ULA's spectrum screen memory interpretation? 6144 bytes divided into 3 blocks, 2048 bytes long. if you want t…

    ... where to place attributes in screen memory. Probably not worth ... QUOTE]

    Changing pixel order doesn't matter much ... once for each 8x8 pixel square is going to ... new set of 32 attribute bytes when in the first pixel ... 't have our extra screen modes :-)
    Alcoholics Anonymous Alcoholics Anonymous October 2006 Development
  • Currah MicrosourceHi Anyone here got a Currah Microsource ? I have one, its one of the original eval units complete with 'draft' manual. Just interested to see how …

    ... the first line of the screen buffer (4000h), then perform the ... the second pixel line. I definitely got a different set of bytes ...
    BloodBaz BloodBaz October 2006 Sinclair Miscellaneous
  • Xenon TriOxide (Xeo3)I just wanted you all to know that a new cross platform game has started development (well the +4 version has been around a while, but my colleague f…

    ... ) instruction but empty parts of screen are skipped.

    < ... scrolls background directly in the screen memory and it uses character ... routine which is calling code above is placed at 63925. so ... have it in screen memory already but one pixel right to the ...
    Fikee Fikee November 2006 Development
<1…15161718192021…34>

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