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<1…17181920212223…34>
  • EmuZWin problem!Hello! I'm trying to load Fairlight I into EmuZWin v2.4.004. It don't load at all. I'v tryed several versions of fairlight I and II. Thees files …

    ... custom grid on the editor screen, like resizable sqares of let ... and white dotds on the screen. Do you remember the option ... draw something on the screen without using udg graphics, and of course ... 3 or four pointers on screen !!
    Another is that when ...
    Arm73 Arm73 April 2004 Emulators
  • T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …

    ... expand the display to full screen. This sort of thing (with ... a trick to get full screen resolution yet requiring half the ... ability. (Double buffering allows one screen to have blank odd rows ... 96 vertical pixels needs to be drawn in each on each screen ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Development
  • EmuZWin supports 256 color gamesI am sorry starting new topic, but you see this info is important a bit: new version 2.4 of the EmuZWin is available to download, and it supports 25…

    ... my program I print a UDG using 'PRINT PAPER 1; INK ... was cyan in the 1st screen, yellow in the second. I ...
    na_th_an na_th_an April 2004 Emulators
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... br />
    Each sprite takes 96 bytes(mask and sprite) and ... pixel position and multiply by 96. Then add on the start ... the time 96.

    Do all these calculations, including screen address ... you do seven lines - adjust screen address - then one more line ...
    dmsmith dmsmith August 2004 Development
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... ; On Entry:
    ; HL Contains Screen Address
    ; DE Contains Char ... ; On Exit
    ; HL Contains Screen Address
    ; BC preserved
    DEFB 0,128,192, 96, 32, 32, 16, 16 ...
    robpearmain robpearmain August 2004 Development
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... ; On Exit
    ; HL Contains Screen Address
    ; BC preserved
    ; HL Contains Screen Address
    ; DE Contains Char ... br /> DEFB 0,128,192, 96, 32, 32, 16, 16 ...
    robpearmain robpearmain August 2004 Development
  • Most pointless type-in?I think it was one I saw, probably in Program Pitstop(which mag did that?), to evaluate a string as a full expression, a la the Beeb: spend hours typ…

    ... . some UDG butterflies which plastered themselves liberally all over the screen.
    The Mighty Dopethrone The Mighty Dopethrone October 2004 Games
  • Pixel LimitIF Y3&lt;192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK

    ... /P
    1730 LET Y3=96+Y*A*COS A
    Alcoholics Anonymous Alcoholics Anonymous November 2004 Sinclair Basic
  • Pixel LimitIF Y3&lt;192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK

    ... /> I disagree. To experience full screen graphics download his Plus 4 ... which supports
    CIRCLE 128, 96, 95

    Cheers ...
    Geoff Geoff November 2004 Sinclair Basic
  • Does ScanLine[0] have a left border?My emulator couldn't handle Cobra or ShortCircuit so I added some rough port FF values. I now want to make it a bit more accurate. The FAQ gives me a…

    ... 128 tstates of actual screen data followed by 96 tstates of border ... /> I shall assume that unless screen data is being displayed then ...
    Unique Unique February 2005 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... you call PRINT with an UDG you are calling a MC ... better. It used a compressed screen (with BMP2SCR pro.) and a ...
    na_th_an na_th_an March 2005 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... Basic, instead of relying on UDG`s (which I hate)... :)
    screen when you switch screens in ...
    CKay CKay March 2005 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... set, stuff to change the UDG set, explanation on how to ... if you want your loading screen not to be trashed), stuff ...
    na_th_an na_th_an March 2005 Development
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... , making it possible to read UDG as characters.

    You ... your UDG
    and you can read them in a SCREEN$.
    UDG is placed on the screen then use a ... ;INK 2;CHR(144) : REM UDG A
    10 IF ATTR ...
    Dr BEEP Dr BEEP April 2005 Development
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... /> You have to tilt your screen along the horizontal axis away ... four or five lines of UDG landscapes with that :)

    Dunny Dunny April 2005 Sinclair Basic
  • udg collision detectionhow do I detect a collision between udgs in basic?

    ... test directly with SCREEN$ (Y,X). An UDG will return a space ... do it by printing the UDG in a different color and ... characterset point higher so that UDG become the new characterset.
    Dr BEEP Dr BEEP July 2005 Sinclair Basic
  • udg collision detectionhow do I detect a collision between udgs in basic?

    IIRC, a UDG (unless it has the ... an empty string from a SCREEN$ call.

    This ... have a screen of mostly empty space, then the UDG will ... testing for a specific UDG is impossible with SCREEN$ - and as Dr ... will not identify a specific UDG unless it's a ...
    Dunny Dunny July 2005 Sinclair Basic
  • udg collision detectionhow do I detect a collision between udgs in basic?

    ... SUB 1000 : REM TEST COLLISION SCREEN$(14,10)
    20 IF ... TO 1000 : REM COLLIDED WITH UDG 144+n (N= variabel)
    1010 LET A=SCREEN$(Y,X)
    1020 POKE ...
    Dr BEEP Dr BEEP July 2005 Sinclair Basic
  • 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…

    ... tile data, that makes only 96 8x8 blocks. If you could ... , what's already printed on screen also changes.

    Another ... I draw something to the screen [I]externally[/I] - I ... located somewhere which decompresses a screen into video memory @ 4000h, will ...
    na_th_an na_th_an September 2005 Development
  • Very first Speccy emulator?Which was the first? I mean here full emulator, not only Basic emu. I saw first Speccy emu. somewhere in 1991. Does anyone know something about Spe…

    ... nice label with PSSST loading screen on it :)

    I ... some stuff like UDG's, POKE-ing the screen memory, loading actual ... C64 floppies...
    The (C) screen says 1985, but somehow I ...
    Tom-Cat Tom-Cat October 2005 Emulators
  • Worst loading screenAlmost every Spectrum game has a loading screen. Some of them are good, some are not. So, which one is the worst loading screen ever?

    Any game that made you wait for it to load in a whole 6k screen$ file, only to find it was just some text and a few graphics that could have just been printed up with a few udg's without wasting all that time.
    Neil^P Neil^P February 2006 Games
  • Ever felt conned?Have you ever read a review for a speccy game and the reviewer gives it a glowing review and you trust him and go out and buy the game only to find i…

    ... . It got something silly like 96%. I went to town after ... of pigs plop! (Good loading screen though!)
    _________________
    Mark ...
    Mark R. Jones Mark R. Jones March 2006 Games
  • Run Length DecodingRun length encoding/decoding is far less efficient than using a modern compression program.

    ...

    unpak_scr ;unpack picture 96*128
    ;RLE
    ;DE ... ;adress in screen memomory
    ld c, 96 ;line counter
    ld c, 96
    pop hl
    ... , unpak_scr7
    ld c, 96
    pop hl
    ...
    Fikee Fikee March 2006 Development
  • 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…

    ... , do you clear the whole screen and draw only the occupiued ... multiple levels (1728 bytes = 18* 96) and unpack these to the ... 1728 level into the low 96 bytes of each of the ...
    robpearmain robpearmain 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…

    ... of tiles which are just UDG characters (up to 256 unique ... otherwise be moved around the screen, like regular sprites are, to ...
    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…

    ... sp1_update" contains a single tile (udg) and colour for background. It ... to have a particular background udg to never be written to ... occupy any character cell on screen. If your display size ( ... as far as clipping and screen rearrangement goes.
    - Sprites ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…

    ... place to send the clicked UDG to. However, with any other ... an AND operation for the screen, only XOR in the shape ...
    Dunny Dunny April 2006 Emulators
  • 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…

    ... />

    // A Hashed UDG for Background

    uchar ... />
    sp1_UpdateNow(); // draw screen now

    for ... // if sprite went off screen, reverse direction
    se ...
    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…

    ... a fancy name for a UDG character and describe, well ... , including background tile (a UDG), background colour, and an ... 0 if none)
    uchar *screen; // +7 address in display ... is actually drawn on screen. Only character cells (struct ...
    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…

    ... area must lie entirely on screen.

    Example: suppose ... is a pointer to a UDG character indexed by character ... this table to retrieve the UDG graphic address for the ... the LSB of a UDG address and the next ... the LSB of the UDG addresses and bytes 256- ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
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