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<1…17181920212223…34>
  • Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…

    ... its done in this proportional scroller I wrote a while ago ... variable position printing.

    [code]fe90 db 80h,80h ;pad ...
    jamorski jamorski October 2016 Development
  • Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…

    ... its done in this proportional scroller I wrote a while ago ... routines like this:

    [code]
    add a
    jr ... )
    inc h
    ...
    [/code]

    About 384 bytes ...
    Hikaru Hikaru October 2016 Development
  • Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…

    ... loading schemes!

    The scroller was originally conceived for use ... be able to check for code x0A so it can print ... , which are compatible with the scroller version as-is and hopefully ...
    jamorski jamorski October 2016 Development
  • 1986-2016.I'm early, but I'm tired of 1985. So here's the annual thirty-years after topic about Speccy games.

    ... .

    [b]Strike Force Cobra[/b] [Phirana]
    [img]http ... a door that needs a code to be opened, that you ...
    WhenIWasCruel WhenIWasCruel October 2016 Games
  • Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…

    ... pause or do a push-scroller). And call [b]USR 63033 ... in front of the machine code routine. A '1' followed by ... in the bytes of machine code.

    Lines 9140 and ... /> Happy Scrolling!


    [code]
    VAT_Scroll

    10 ...
    joefish joefish January 2017 Games
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... is as follows:

    [code]
    00LLLLLL - copy L+1 ... )

    01111111 - end marker[/code]

    Notice it's ... did some testing, using the cobra.scr, I'm sure these ...
    TomD TomD April 2017 Development
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... did some testing, using the cobra.scr, I'm sure these ... . Take a look:

    [code]
    000LLLLL - copy L+1 ... )

    11111111 - end marker[/code]
    Einar Saukas Einar Saukas April 2017 Development
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... ):


    [code]
    00LLLLLL - copy L+1 ... [code]
    Scr Standard LZF Modified Diff | zx7 zxsclzf
    ---------------------------------------------------------------------
    Cobra ... gave 2403bytes for the Cobra screen and as you ...
    TomD TomD May 2017 Development
  • 1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…

    ... version of his previous title Cobra - the hilarious tie-in from ... of the complexity of the Cobra levels: there are no platform ... , you need to assemble a code in order to escape the ... find each letter of the code word - and the aliens come ...
    Alessandro Grussu Alessandro Grussu May 2017 Games
  • Flicker free animation in BASIC, is it possible ?With all my various noodlings in BASIC and indeed with my so far limited assembly​ I keep coming up with the same issue. How do you do animations wit…

    Well, my solution doesn't involve any machine code at all - you're just changing the BASIC code on the fly.

    Would you be averse to POKEing the scroll counter so you can make a BASIC infinite vertical scroller?
    Dunny Dunny May 2017 BASIC
  • z88dk terminalsto set up a terminal a bunch of numbers are needed: m4_zx_01_output_fzx(_window_1, 0x2330, 0, 0, 1, 14, 1, 19, 0, _ff_ao_Prefect, 14, 0, 14, 8, 1…

    ... included into the crt (the code that runs before main) to ... .

    In the main code I had to set up ... halt is used in the scroller. The print_word_wrapped routine has been ...
    Alcoholics Anonymous Alcoholics Anonymous July 2017 Development
  • What is the maximum fps the spectrum can achieve?I have been doing some reading and from what I understand the Spectrum outputs a PAL signal, but that means it will display @50fps or @25fps? If t…

    ... each pass around the game code takes two frames of the ... , hence 25fps.

    [i]Cobra[/i] is slightly different because ...
    joefish joefish August 2017 Hardware
  • Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…

    ... yet another approach in [i]Cobra[/i]. He used a much ... than it worked.

    [code]

    ld bc,$3f28 ...
    jr nc,1$
    [/code]
    Just like that: JR ...
    Ast_A_Moore Ast_A_Moore September 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…

    [code]
    Character scroll, disable $FA17 ... /> JP Z, L_FAD6 ; run attribute scroller every 3rd pass
    LD ... scroll (2)
    : 00
    [/code]
    Battle Bunny Battle Bunny 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…

    From the original Double Message Scroller listing:
    [code]
    LD A, $3E ... for attribute scroll (1)
    [/code]
    In the fast version ... the original Double Message Scroller listing:
    [code]
    XOR A ; FA1D ...
    Battle Bunny Battle Bunny November 2017 Development
  • i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…

    ... me, Id take such a scroller, maybe a two liner. Put ... see, is to implement machine code routines within ones basic program ... come across a BASIC message scroller program at some point, likely ...
    kgmcneil kgmcneil January 2018 Development
  • i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…

    ... me, Id take such a scroller, maybe a two liner. Put ... see, is to implement machine code routines within ones basic program ... come across a BASIC message scroller program at some point, likely ...
    digital digital January 2018 Development
  • Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]

    ... /> First comp was a clone, Cobra dual boot running CP/M ... using regular PC floppy on Cobra floppy interface. Use commands Load ... on ROM for the aditional code. Spend 1 month trying shortest ...
    blue_led blue_led February 2018 Chit chat
  • New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…

    ... -accurate Bell AH-1W Super Cobra attack helicopter
    —New in ... in each preshifted frame
    —Code optimization
    —Miscellaneous improvements
    Ast_A_Moore Ast_A_Moore March 2018 Brand new software
  • What was on your first pirate tapeOf course, we all started with Horizons and then bought our first couple of games (in my case, Bugaboo The Flea - which I still haven't managed to co…

    ... , Batman, Spindizzy, Quazatron, Southern belle, Cobra, Tower of evil, Haunted hedges ... , Shrinking fireman, Gilligans gold, Load""code, Antiriad, Cobra, Great escape, Space harrier ...
    mel the bell mel the bell March 2018 Games
  • Manic Scroller!You're the king of Manic Miner around these parts? Finished it a thousand and one times with one arm tied behind your back? Looking for a new challen…

    ... />
    It is called "Manic Scroller" (inspired by the title of ... area occupied by the source code remnants at #9400 - #9CFF. ... PM message) to use his code!

    The game ... been repacked similarly to "Manic Scroller", with a custom BASIC loader ...
    jetsetdanny jetsetdanny December 2018 Games
  • Found my old Manic Miner scrolling hackI don't remember if I put this old hack here on WoS so [URL="http://homepage.ntlworld.com/e.tinney/manic.szx"]here's a snapshot[/URL]. Be impressed w…

    "Manic Scroller"

    I am extremely ... />
    It is called "Manic Scroller" (inspired by the title of ... area occupied by the source code remnants at #9400 - #9CFF. Furthermore ... PM message) to use his code!

    The game has ...
    jetsetdanny jetsetdanny December 2018 Games
  • border effectsive been playing around with border effects like 10 border 1 20 border 2 30 pause 1 40 goto 10 ,etc i even wrote one in machine code. …

    ... /> With the speed of machine code, you can make each line ... TV timing (e.g. [i]Cobra[/i], [i]Hysteria[/i]) appear ...
    joefish joefish May 2019 BASIC
  • 50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…

    ... trying to write some code like Cobra. In my case I ... using the method as in Cobra to pop 8 bytes ... bytes of self modified level code to push these to ... for your help

    [code]
    emulate_spectrum "48k" ;
    ; ... ;
    push af ;
    [/code]
    robpearmain robpearmain June 2019 Development
  • Dun Darach : A beautiful way to waste the cold dark evenings.Well, I've 'Dun' it again. I've spent loads of my time pulling apart another game ready for remaking / modding etc. [url="http://www.luny.co.uk/inde…

    ... to reverse enginner the source code to know what is going ... a few games such as Cobra and Uridium.
    dmsmith dmsmith August 2019 Games
  • Dun Darach : A beautiful way to waste the cold dark evenings.Well, I've 'Dun' it again. I've spent loads of my time pulling apart another game ready for remaking / modding etc. [url="http://www.luny.co.uk/inde…

    ... to reverse enginner the source code to know what is going ... a few games such as Cobra and Uridium.

    [/quote ... work going through the original code. They were canny developers and ... had some excellent optimised code which is hard to fathom ...
    Luny Luny August 2019 Games
  • English translation of Start Heritage demo disappeared from the archive?Hello, all I can no longer find the English translation of the demo version of [url="https://worldofspectrum.org/archive/software/games/star-inher…

    ... /software/games/star-inheritance-black-cobra-step-creative-group"]game's ... URL to my release
    [code]https://www.worldofspectrum.org//pub ... /StarInheritance-BlackCobra(AntonShepelev).trd.zip[/code]
    does not work, returning ...
    ant222 ant222 August 2021 Games
  • New Version of MAME Emulator out with enhancements on Spectrum-EmulationNew Version 0.216 of MAME Emulator out with enhancements on Spectrum Emulation: [url="https://www.mamedev.org/?p=476"]https://mamedev.org/?p=476[/…

    ... br /> Bomb Jack (Z Cobra), Bomb Jack II (MCM ... -------------------------------------------------------
    Bomb Jack (Z Cobra) [worldofspectrum.org]
    Bomb ... br /> -change spectrum 128 code to match comment [smf]
    Luzie Luzie May 2022 Emulators
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... the Ghosts 'N Goblins drawing code:

    http://www.emix8 ... he used floating bus in Cobra to start drawing before the ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • AY PlayerI'm working on a frontend DB and would like to include an option that plays Speccy music/fx via AY Player. Does any1 know if there is a .dll that I…

    ... , or wiill I have to code my own? If there is ...
    Chris Chris January 2002 Emulators
<1…17181920212223…34>

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