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<1…18192021222324…34>
  • Manic Mower - 24th Anniversary editionHi everyone, I'm pleased to be able to release Manic Mower (24th Anniversary Edition). This is a remake of my **** poor 1992 original that mana…

    ... . It's been recoded in assembly, but the gameplay has been ...
    balford balford August 2016 Brand new software
  • Visual Studio 2015 and z88DkNot sure if this is useful to anyone but just in case :) I was about to embark on getting intellisense working for assembly... but that looked a lit…

    ... on getting intellisense working for assembly... but that looked a little ...
    Korinel Korinel August 2016 Development
  • New game: Sam Mallard - The Case of the Missing Swan[img]http://i66.tinypic.com/o8z6vd.png[/img] [code] Sam Mallard – The Case of the Missing Swan. Version 1.0 by Ersh in 2016 The clock had tur…

    ... is coded from scratch in assembly. The code, puzzles, story and ...
    Ersh Ersh August 2016 Brand new software
  • ZX8401 / PCF1306P / Amstrad 40058 ReplacementsHi all, I took the schematics and layout from [url="http://8bit.yarek.pl/upgrade/zx.zxmux/"]here[/url] a few weeks ago, and ordered some PCB's. Gl…

    ... part numbers, and a brief assembly guide [url="http://www.bennyalford ...
    balford balford September 2016 Hardware
  • Usefullness of program listings in magazinesEarly computing magazines had printouts of program listings. I always felt this was a nice thing in that you might read the code and learn something,…

    ... turned into hex dumps of assembly programs with minimal BASIC loaders ... might benefit from a short assembly subroutine, for example, but in ...
    Sol_HSA Sol_HSA September 2016 Sinclair Basic
  • Screen address of PRINT position...Hi Folks, The following code uses DF CC system variable to extrac the screen address for a PRINT position. [code]100 CLS 110 PRINT AT 10,16;…

    ... code uses DF CC system variable to extrac the screen address ...
    Paddy Coleman Paddy Coleman September 2016 Sinclair Basic
  • POKE taking a variable amount of time...Hi Folks, Does anyone know why the following POKE statements seem to vary in their execution time? [code]100 POKE 60000,10 110 POKE 60001,16…

    Hi Folks,

    Does anyone know why the following POKE statements seem to vary in their execution time?


    [code]100 POKE 60000,10
    110 POKE 60001,16
    120 POKE 60000,10
    130 POKE 60001,16
    [/code]
    ...
    Paddy Coleman Paddy Coleman September 2016 Sinclair Basic
  • 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…

    ... to do a lot of variable-length shifting, which I presume ...
    Sol_HSA Sol_HSA October 2016 Development
  • Questions about GALsI'm working on an old danish floppy interface for the speccy ([url="http://allan.hoiberg.dk/eng/zx/"]CS-Disk[/url]) The original interface contain…

    ... Holst-Olesen;
    Company ;
    Assembly None;
    Location ;
    Device ...
    Rorschak Rorschak October 2016 Hardware
  • Graphics program in AssemblyHi so I think I'm getting the hang of this so I've done this program. It writes directly to the screen. I'm using ZX Spin. [code] LD HL,16384 LD B,…

    Hi so I think I'm getting the hang of this so I've done this program. It writes directly to the screen. I'm using ZX Spin.
    [code] LD HL,16384
    LD B, 255
    loop
    LD (HL),170
    INC HL
    DJNZ loop
    RET[/code]
    ...
    ivanb303 ivanb303 October 2016 Assembler
  • ALIEN (Mindgames) Bugfix and Improvement.[code]ALIEN (Mindgames) [ZX SPECTRUM] BUGFIX & IMPROVEMENT by Ersh 2016-10-29 The following bugs are fixed: [BUG] INVENTORY BUG WHEN SWITCHING …

    ... %'

    [BUG] THE MESSAGE VARIABLE IS NOT RESET ON RESTART ... so.
    Since the message variable is not reset on restart ...
    Ersh Ersh October 2016 Announcements
  • MuCho CYOA/gamebook/multiple choise adventure engine, release 3 - little to no programming neededDownload the whole kit (win32 binaries) here: http://iki.fi/sol/zip/mucho_03.zip Or if you just want to peek at the documentation and prebuilt …

    ... and to compare
    - numeric variable printing inside text by using ...
    Sol_HSA Sol_HSA November 2016 Development
  • SeBASIC Updated to version 3.2 by aowen...SeBASIC has just received an update!... Version 3.2 is now available, but it'll cost ya!... Its only $5 USD, and can be downloaded from here:…

    ... external data into the main assembly file.
    * Switched default compiler ... ROM, the manual, the source assembly for the rom and a ...
    kgmcneil kgmcneil November 2016 Announcements
  • Just speccy or harlequin ?Hi all, I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ? Just speccy 128k or the harlequin 128k ? S…

    Hi all,
    I just wondered, to fit on an original rubber key 48k spectrum, which one would you recommend ?
    Just speccy 128k or the harlequin 128k ?
    Self assembly and soldering is no problem.
    Greetings
    frankje frankje December 2016 Hardware
  • Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…

    ... that contains the tools and assembly language libraries necessary to develop ... code in either C or assembly language for z80-based machines ...
    Alcoholics Anonymous Alcoholics Anonymous January 2017 Announcements
  • Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…

    ... which I use. The 'tint' variable indicates whether timings are to ...
    Battle Bunny Battle Bunny January 2017 Sinclair Basic
  • Testing your codeOk, guys, again I here with question. How do you test your works? I understand how to test functions and procedures mathematically (for example, g…

    ... ?

    Yes, code is assembly.
    Bedazzle Bedazzle January 2017 Development
  • Lambda 8300 Color module (ZX81)I was gifted such a device yesterday and have a few questions ... First of all it appears the interface does work in general when used with a 16K …

    ... in the footprint of the variable resistor and added a 1K ...
    Shockwav3 Shockwav3 February 2017 Hardware
  • Fuse for macOS 1.3.3 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …

    ... the members of the "Z80 Assembly Programming On The ZX Spectrum ...
    Fred Fred February 2017 Emulators
  • 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…

    ... from the ground up in assembly. For the technically non-savvy ...
    Ast_A_Moore Ast_A_Moore February 2017 Brand new software
  • "ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…

    ... stack. I've used the variable o to hold the result ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Basic
  • 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…

    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 without flicker or trails ? Is this possible in BASIC ?
    ivanb303 ivanb303 March 2017 BASIC
  • Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…

    ... gives a completely different system variable at 16388-16389, and there ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Miscellaneous
  • More basic assembly stuff!I've been figuring out some more stuff using CALL and DEFB but this has me a bit stumped. [code] ORG 33000 LD BC, 16384 PUSH BC CALL GO RET …

    I've been figuring out some more stuff using CALL and DEFB but this has me a bit stumped.

    [code]
    ORG 33000
    LD BC, 16384
    PUSH BC
    CALL GO
    RET
    GO:
    POP BC
    RET
    [/code]

    ...
    ivanb303 ivanb303 March 2017 Assembler
  • Samurai Warrior - The Battles of Usagi Yojimbo. BUGFIX.While playing around I managed to put the game in a bugged state. When the game is in this state any enemy that's facing right while executing an att…

    ... doesn't resets the jump variable that holds the state of ... back on the ground the variable still holds the 'falling' state ...
    Ersh Ersh April 2017 Games
  • New language for spectrumI made a halfway language between assembly and Basic here is some example code: [code] INFLOOPSTART ifram(scrolla=1) print(intera) endif…

    ... made a halfway language between assembly and Basic

    here ...
    slenkar slenkar April 2017 Development
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... do is increment one 8bit variable.

    Anyway, assuming one ...
    Sol_HSA Sol_HSA May 2017 Development
  • Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…

    ... has finished (from a local variable) and if so switches the ...
    dave18 dave18 May 2017 Development
  • Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …

    ...
    1 errors occurred during assembly
    Errors in source file ...
    thricenightly thricenightly 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…

    ... ,255};

    // Attach C Variable to Sprite Graphics Declared in ...
    slenkar slenkar June 2017 Development
<1…18192021222324…34>

Latest Posts

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