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<1…891011121314…34>
  • Any examples of Proportional Font (Dark Star)Dark star had a cool proportionally spaced way of displaying text. Does anyone know of any code to do this? Cheers

    ... to print a message at x,y in colour proportionally.


    ret

    ; HL = screen address
    printchar:

    robpearmain robpearmain March 2006 Development
  • RealSpec start upI understand that you can add a start-up line to initiate the version, mode,interface etc; for RealSpectrum but I'm a complete ham with emulators, a…

    ... - MMX

    Usage: REALSPEC [tape/snap files] [options]
    -16 ... -didaktik -pentagon -scorpion
    -videomode X Y : set video resolution
    -windowed ...
    icabod icabod March 2006 Emulators
  • Timex 80 column display driverI subsequently wrote an 80 column font driver for 512x192 mode.

    ... display file address (corresponds to x,y below)

    . ...
    ld a,(de) ; a = screen byte
    and 3 ; keep ...
    ld a,(hl) ; a = screen byte
    and #c0 ; keep ...
    Alcoholics Anonymous Alcoholics Anonymous March 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…

    ... to an entire vertical pixel screen line at a time. As ... />
    [code]
    ;Z GBLT x y w h x2 y2 -- blt ... source Y position
    ld a,a ; select accelerator screen blt mode ...
    glancaster glancaster April 2006 Hardware
  • 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 …

    ... corner of screen

    X : CCCC CTTT (0-255)
    Y : ... br />
    X : 000C CCCC (0-31)
    Y : 000B BLLL ( ... attribute address corresponding to a screen
    ; address such ... '.
    ;
    ; enter: hl = screen address
    ; exit : hl = address ...
    Alcoholics Anonymous Alcoholics Anonymous April 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…

    This routine calculates a screen address for a given x, y coordinate pair.
    HL returns with the screen address ... implements an Increment Y routine for the hl screen address from the ...
    Kiwi Kiwi May 2006 Development
  • Is there any Sinclair world cup anthem?I've just been listening to a few World cup anthems past and present, but what I really need is a World Cup anthem that mentions any of the sinclair …

    ... /> Never stopped me dreaming
    R Tape loading error
    Still I ... />
    Three Lives on the screen
    Some gold coins still ...
    Digital Prawn Digital Prawn May 2006 Chit chat
  • 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…

    ... playing area only, not all screen).

    03. ... for placing the first screen. Remove a main character ... the emulator, visit other screen, press CTRL+Q. In ... key for placing the second screen and press ENTER.
    X/Y.

    08. ...
    Pavero Pavero May 2006 Support files
  • Basic Programming Routine Needed . . . HELP!Hello there, I though i would try and redo an old classic (pacman) in basic . . . BUT . . . I can't remember how to write the code to see what chara…

    ... br /> SCREEN$(y,x) will give you the character at screen location y,x, but ... instead, whereupon SCREEN$ will work.

    ATTR(y,x) will ... give you the attribute value at location y,x, ... be faster than doing a SCREEN$ test. Generally though, ...
    gasman gasman June 2006 Sinclair Basic
  • a question about isometric gamesHello I have a doubt... in the isometric games(Batman, Head Over Heels,...)the view is over 45? or 120? ? thanks.

    ... 're referring to the screen angle seen between two perpendicular ... , the X/Y lines are usually rendered at a screen angle corresponding ... of line B versus the screen X-axis (horizontal) would be ... ~ 26,6 degrees. Therefore, the screen angle between lines A and ...
    GOC GOC July 2006 Games
  • Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…

    ... it intersects with on the screen.
    That way when you ... move, move in either the x/y plane at the same level ...
    Kiwi Kiwi August 2006 Development
  • Crazy Spectrum Experiments. Now there?s a thought!!As a Kid I wanted to be a budding inventor and tried all sorts of things with my speckie. I remember buying a second hand reel to reel tape recorde…

    ... I got was R tape loading error just before the screen goes black ... still havent tried putting a tape machine on another computer MS ...
    Scottie_uk Scottie_uk August 2006 Sinclair Miscellaneous
  • Crazy Spectrum Experiments. Now there?s a thought!!As a Kid I wanted to be a budding inventor and tried all sorts of things with my speckie. I remember buying a second hand reel to reel tape recorde…

    ... I got was R tape loading error just before the screen goes black ... still havent tried putting a tape machine on another computer MS ...
    Daren Daren August 2006 Sinclair Miscellaneous
  • Crazy Spectrum Experiments. Now there?s a thought!!As a Kid I wanted to be a budding inventor and tried all sorts of things with my speckie. I remember buying a second hand reel to reel tape recorde…

    ... .

    I placed a tape recorder on one computer,


    Used the tape tester of my 128k spekie ... balancing the volume of the tape recorder, and the two PC ... resulted in R-Tape loading error. Although the titles and bytes screen reports ...
    Scottie_uk Scottie_uk August 2006 Sinclair Miscellaneous
  • CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…

    I compiled this list of ones that I had come across for css. However they are more an indication of last-minute changes than any poor standards. The book remains one of the best manuals ever.
    The ZX81 manual had a minor error in the RND explanation ...
    Geoff Geoff September 2006 Sinclair Basic
  • 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…

    ... poke the values into the screen or print them from a ... the targeting area on the screen and you used the cursor ... faster to POKE the new X,Y coordinates or sprite frame than ...
    JamesD JamesD September 2006 Sinclair Miscellaneous
  • Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…

    ... Move h to beginning of screen address tablw

    screen

    ret ; HL now has proper address for x,y ... screen

    ret ; HL now has proper address for x,y ...
    Dr BEEP Dr BEEP September 2006 Development
  • Spectrum won't load data when warmI've got an interesting observation. I put iPodLinux onto my iPod and got TZX files playing back as the proper audio waveform. I also removed the vol…

    ... get other than an early R tape loading error message due to ... attributes are mapped to the screen ram area.

    Its ...
    Womble Womble September 2006 Hardware
  • Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…

    ... ; Move h to beginning of screen address

    ld ... ; move to lo bytes of screen
    ld d,(hl) ; ... screen

    ret ; DE now has proper address for x,y ...
    Dr BEEP Dr BEEP September 2006 Development
  • Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…

    ... ; Move h to beginning of screen address

    ld ... ; move to lo bytes of screen
    ld d,(hl) ; ... screen

    ret ; DE now has proper address for x,y ...
    Dr BEEP Dr BEEP September 2006 Development
  • Byter and U.F.O. by Protek?Who says these are available for the Speccy? I've often wondered where this info comes from - any info I've seen shows these as available for the ZX-…

    ... and I have game X, Y and Z on tape. I noticed they ...
    Ian Hamilton Ian Hamilton October 2006 MIA/STP/SDP
  • Average loading times for Spectrum games?When you hear people talking about the Spectrum or other cassette-based computers nowadays, a lot of them claim the games took 15, 30 or even 45 minu…

    ... look back and mock the tape method which, depending on the ... menu screen greeted you blaring out the theme tune! (Or R Tape loading ... soothing feeling of using the tape countdown on U.S. Gold ...
    WISE OWL WISE OWL December 2006 Games
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... it transfers to the target screen by whatever bastardised mechanism ... the active routines onto whatever screen is sitting in the ... of sprite memory location, target x,y which it will do at ... making the best compromise between screen write speed and game ...
    DonkeyPong DonkeyPong January 2007 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. …

    ... /> 10 LET L=0: LET R=0:LET U=0:LET ... IN YUIOP
    70 LET R=A/1=INT(A/1 ... /> 75 LET A=A-1+R: REM UNDO BIT 0
    100 LET X=X-L+R
    110 LET Y=Y-U+D
    Dr BEEP Dr BEEP January 2007 Sinclair Basic
  • 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. …

    ... /> 10 LET L=0: LET R=0:LET U=0:LET ... IN YUIOP
    70 LET R=A/2=INT(A/2 ... /> 75 LET A=A-1+R: REM UNDO BIT 0
    100 LET X=X-L+R
    110 LET Y=Y-U+D
    Dr BEEP Dr BEEP January 2007 Sinclair Basic
  • Battle of Games 7 - Shoot-emups 2Greetings ladies and gentlemen :) Welcome to Part 2 of the shoot-em-up battle. Again, as in battle 6, we'll have a [b]multichoice[/b] battle with som…

    ... difference of images. Both are screen-stopped, the ship has nowhere ... -oriented scroller SEU, with [b]x-axis ship command[/b] possibilities ... , which shoots in the y-axis and z-axis. Star ... vector-oriented game, with [b]x, y and z-axis Crosshair and ...
    alban lusitanae alban lusitanae February 2007 Games
  • TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …

    ... sprite and a new screen$ where I copied the ... from step1 but neither the screen$ nor sprite is showing ... up again and the screen$ and sprite are definitely ... (File|Export...) to export screen$ as .scr dumps as ... some palettes in the x/y directions its under the ...
    Kiwi Kiwi February 2007 Development
  • Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…

    ... (from memory) to the screen at a certain x,y coordinate.
    To ...
    48K 48K March 2007 Sinclair Basic
  • Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…

    ...
    a) handle your (y,x) to screen address and
    b) write ... screen data at that char to ... copies a character from coordinates x&y to a defined address ... transfer a window defined by x,y, width and height?

    zxbruno zxbruno March 2007 Sinclair Basic
  • Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…

    ... +x+(y*32), (z-PEEK (22528+x+(y*32)))
    3131 POKE 22528+x+a+(y ... +(y*32)))
    3132 POKE 22528+x+((y+b)*32), (z-PEEK (22528+x+((y ... you come to PEEK the screen graphics that they are read ... x and b+y to y rather than from x to x+a and y to y ...
    48K 48K March 2007 Sinclair Basic
<1…891011121314…34>

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