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  • Steel Eagle anyone?[img]http://www.worldofspectrum.org/pub/sinclair/screens/in-game/s/SteelEagle.gif[/img] [url="http://www.worldofspectrum.org/infoseekid.cgi?id=000…

    ... is has smooth, fast, colourful (PUSH) scrolling, good graphics, decent AY ...
    R-Tape R-Tape May 2017 Games
  • Mojon Twins MK2 and lighting effectsDoes anyone have any experience in getting the overlay.h working in the MK2 engine. There were several games written in the churro that used the ove…

    ... de, 22561
    ._ovldbl
    push bc

    ; Copy 30 ... , hl ; hl = ovl_y * 4
    push hl
    add hl, hl ... , hl ; hl = ovl_y * 4
    push hl
    add hl, hl ...
    andydansby andydansby June 2017 Development
  • z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…

    ... sp1_CreateSpr()
    char dx; // signed horizontal speed in pixels
    char ...
    slenkar slenkar June 2017 Development
  • High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …

    ... coordinates and attributes

    PUSH DE ; store the present position ... HL,DE ; restore total
    PUSH AF
    RST 16 ; ... br />
    PRINT:

    PUSH DE ; store message address
    Alessandro Grussu Alessandro Grussu July 2017 Assembler
  • Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…

    ... ,255 60004 2E FF
    push hl 60006 E5

    pop hl 60100 E1
    push de 60101 D5
    jp ...
    Paddy Coleman Paddy Coleman August 2017 Development
  • Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …

    ... 255

    BASIC
    PUSH HL
    CALL 5808
    LD HL,(23613)
    PUSH HL
    LD HL,BACK ...
    PUSH HL
    LD (23613),HL ...
    Paddy Coleman Paddy Coleman August 2017 Development
  • Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…

    ...

    PUSH AF
    PUSH BC
    PUSH DE
    PUSH HL
    Paddy Coleman Paddy Coleman August 2017 Development
  • Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…

    ... -install one of these sockets (push it in incorrectly, lose a ...
    Kamineko Kamineko September 2017 Hardware
  • A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…

    ... into IX

    2$ push bc ;remember counter
    ld ... *t (8372.16 * .002)
    push ix ;preserve IX, as the ...
    Ast_A_Moore Ast_A_Moore October 2017 Development
  • Some tips to play Army Moves part 1Well, here's what I found out while trying to finish the game. [b]General comments[/b] - Like many other games by spanish companies, even if yo…

    ... one another make sure your horizontal missiles are a bit higher ...
    lotas lotas October 2017 Games
  • +3 PSU fault, can it be repaired?First, i'm no electrical genius/engineer but can solder/de-solder when needed! Powered on my +3 today and the monitor was just flickering/breaking…

    ... flickering/breaking up with jagged horizontal lines and the +3's ...
    BarryB BarryB November 2017 Hardware
  • Reviving a Konix Navigator joystickAaaaaaaaaaaand my next bit of required advice comes courtesy of another eBay package I've just received in the post this morning - with a Spectrum +3…

    ... naked, and I can just push the teeny-tiny bits of ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Hardware
  • Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…

    ... is the collumn number
    push bc
    ld bc,32 ...
    ivanb303 ivanb303 November 2017 Development
  • ive found an attr scrolling routine but i want to remove the smaller scroller within it, etc.https://pastebin.com/K4nG3xbX also i would like to be able to change the colours and not have a shadow. http://www.worldofspectrum.org/pub/sin…

    https://pastebin.com/K4nG3xbX

    also i would like to be able to change the colours and not have a shadow.

    http://www.worldofspectrum.org/pub/sinclair/utils/DoubleMessageScroller.tap.zip
    http://www.worldofspectrum.org/pub ...
    digital digital November 2017 Development
  • Harlequin video problemsHi everyone at the forums, this is my first post here, so forgive me if I don't post this at the right place. I hope that you can help me. I buil…

    ... black and white, with small horizontal lines in the centre. i ...
    megariffer megariffer November 2017 Hardware
  • Fast Binary to Text DisplayI've done this thing that takes some memory contents and converts it to a Binary version of 0's and 1's on screen. However, I've no idea what to use …

    ... /> I've just added my scroller to the bottom to indicate ...
    Arkannoyed Arkannoyed December 2017 Development
  • Character wobbleHello, I have an Issue 2 board which shows vertical character wobble. This happens for a few minutes followed by a few minutes of character sta…

    ... doesn't correlate with any horizontal dot crawl.
    The latter ...
    roganjosh roganjosh December 2017 Hardware
  • ZX Spectrum Issue 4S composite video fuzzy (horizontal blur)Dear people of WoS, Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a…

    Dear people of WoS,

    Thank you very much for taking the time to read. I have an Issue 4S I recently acquired and planned to fix up as a gift for a friend.

    The issue:
    Composite video out on an LCD is fuzzy/blurred. (the ...
    handsfelloff handsfelloff January 2018 Hardware
  • Pyjamarama remake, players wanted.I've been spending some time recreating Pyjamarama using Mono (C#) on the PC. Why? 1. I started pulling apart the original Z80 and published the [u…

    ... into XML data. Then maybe push on with better graphics, more ...
    Luny Luny January 2018 Brand new software
  • Buggy/Rover magazine articleI had no sensible idea which forum seemed best to post this, so figured 'Misc' would be the best choice. There was in Sinclair User (unless memory…

    ... , possibly Your Spectrum at a push) a hardware article on building ...
    spider spider January 2018 Sinclair Miscellaneous
  • The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…

    ... /> ret

    int_routine
    push af
    ld a,%01001000 ...
    Ast_A_Moore Ast_A_Moore February 2018 Development
  • How to avoid flicking? IM2 help.Hi, I have started on a quest to make a demo for ZX Spectrum. However the display is flickering and I guess it is something about updating at…

    ... /> ; could be optimized using the push sp trick
    xor a ... /> ; could be optimized using the push sp trick
    ld a ... /> ; could be optimized using the push sp trick
    ld bc ...
    MartinMSPedersen MartinMSPedersen March 2018 Assembler
  • Programs with strict timing requirements.Hi, all, I am a bit stuck about the timings of my SpecIde emulator. (https://github.com/MartianGirl/SpecIde) The thing is, I think that the tim…

    ... instance, works fine, but the scroller in SongInLines4 doesn't, either ...
    TheMartian TheMartian April 2018 Emulators
  • ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…

    ... on ZX-Uno and TBBlue. Horizontal raster position was wrong
    chernandezba chernandezba May 2018 Updates
  • Difference between REW/REV and FFWD/CUE?Apologies for such a noob question but what is exactly the difference regarding those buttons of a tape player (with and without the two combined)? …

    ... the tape and only then push Rewind or Forward.

    Renegade Renegade May 2018 Hardware
  • Horizontal black and white bars on ZX Spectrum 128k ToastrackSo I found a working 128k toastrack on a local auction site. After playing around with it for a few days I noticed the sound of the AY chip was reall…

    So I found a working 128k toastrack on a local auction site. After playing around with it for a few days I noticed the sound of the AY chip was really low compared to the beeper. So I googled around and found a mod to get more volume on the AY. I decided ...
    StarQuake StarQuake May 2018 Hardware
  • ZX Spectrum 128k Toastrack with horizontal black and white barsSo I found a working 128k toastrack on a local auction site. After playing around with it for a few days I noticed the sound of the AY chip was reall…

    So I found a working 128k toastrack on a local auction site. After playing around with it for a few days I noticed the sound of the AY chip was really low compared to the beeper. So I googled around and found a mod to get more volume on the AY. I decided ...
    StarQuake StarQuake May 2018 Updates
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Latest Posts

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    Paradigm Shifter on 12:49AM
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scroller 556 661
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