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  • Setting breakpoints in source code to make debugging easierAfter two years I've resumed my Speccy coding project. I'm porting a yet "unported" game from C64/Atari to 48k Spectrum using Z80 assembler. At the m…

    ... I have 2768 lines of assembly code and that's basically ...
    arttu arttu August 2019 Development
  • im looking for short demoscene type graphics demos that have source code in .asm formator have the assembly listing. smaller the better

    or have the assembly listing. smaller the better
    digital digital August 2019 Development
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php I found the following code: [code] CHADD equ 23645 ; Location of SOS variable CHADD ld…

    ... via a CALL to TRDOS/Betadisk-ROM (15619 on TRDOS v5 ...
    Luzie Luzie October 2019 Development
  • How to store and recall a "window"?I would like to memorize and then restore a rectangular portion of a screen, pixels and attributes. To make things easier, this "window" would be sit…

    ... . All of this in an Assembly routine to be recalled from ...
    Alessandro Grussu Alessandro Grussu February 2020 Development
  • Best compiled Basic game ?I was thinking about this before I posted the topic about Melbourne House's excellent Penetrator scrolly but held off, however a kind [url="https://w…

    ... a hybrid of Basic and assembly, and as far as I ... not compiled Basic for the assembly part.
    spider spider July 2020 Games
  • How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…

    ... is for now, and the assembly version of this part will ...
    Timmy Timmy September 2020 Development
  • How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…

    ... can include machine code and assembly code in an easy way ... scrolling function in here, in assembly.

    A more portable ... way could be using assembly code in separate assembly files. I'm ...
    Timmy Timmy September 2020 Development
  • Can anyone with experience of releasing AGD games help me out?My game is finished. I also have a loading screen, and I also have a wee tune I made in Beepola for the menu screen. It's all ready to be put togethe…

    ... as I know nothing about Assembly. It's a big ask ...
    The Lone Magpie The Lone Magpie October 2020 Development
  • Program directly on an speccyHi guys! I just bought a couple of spectrums and want to code assembly directly on the Spectrum. Don't want to use an emulator. On my C64 I use…

    ... spectrums and want to code assembly directly on the Spectrum.
    hexabit hexabit January 2021 Development
  • Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem that it would be better for "Z80 beginners" to write in C…

    ... to see what an "expert" assembly programmer would have handled it ...
    JerzyBulovski JerzyBulovski April 2021 Updates
  • Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem that it would be better for "Z80 beginners" to write in C…

    ... to see what an "expert" assembly programmer would have handled it ...
    JerzyBulovski JerzyBulovski April 2021 Updates
  • Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem that it would be better for "Z80 beginners" to write in C…

    ... to see what an "expert" assembly programmer would have handled it ...
    JerzyBulovski JerzyBulovski April 2021 Updates
  • why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem that it would be better for "Z80 beginners" to write in C…

    ... to see what an "expert" assembly programmer would have handled it ...
    JerzyBulovski JerzyBulovski April 2021 Development
  • Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem (to me) that it would be better for "Z80 beginners" to wr…

    ... to see what an "expert" assembly programmer would have handled it ...
    JerzyBulovski JerzyBulovski April 2021 Updates
  • Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem (to me) that it would be better for "Z80 beginners" to wr…

    ... to see what an "expert" assembly programmer would have handled it ...
    JerzyBulovski JerzyBulovski April 2021 C
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... , I was still programming z80 assembly for a living, but the ... disk ( Seagate ST225 ) for cross-assembly was too great to ignore ...
    cj7hawk cj7hawk August 2021 Hardware
  • Spectrumpedia revised and extended edition. Suggestions about possible new contentFor the 40th anniversary of the first launch of the Spectrum, I am going to revise the Spectrumpedia. Feedback was very positive, although the fact t…

    ... (defunct)

    [i]Z80 Assembly cross-compilers[/i]
    Pasmo ...
    Alessandro Grussu Alessandro Grussu October 2021 Sinclair Miscellaneous
  • 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…

    ... . I'm a beginner Z80 assembly programmer and I decided to ... how to do it in Assembly.
    Kotek Kotek June 2022 Development
  • Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…

    ... games for ZX Spectrum in assembly language.
    I have lot ...
    Tymo6666 Tymo6666 October 2022 Development
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... /> The basic concept of all assembly programing is:

    Read ...
    cyborg cyborg January 2002 Games
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... job of introducing u to assembly language. I myself am no ... . They are used heavily in assembly language so u will do ... /> PRINT C

    in assembly:
    LD HL, 32000 ;memory ...
    Arjun Arjun January 2002 Games
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... job of introducing u to assembly language. I myself am no ... . They are used heavily in assembly language so u will do ... /> PRINT C

    in assembly:
    LD HL, 32000 ;memory ...
    Arjun Arjun January 2002 Games
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... and re-creates it in assembly format. An assembler takes an ... assembly program (in mnemonic format) and ... from location 32000 onwards in assembly (mnemonic) format.

    Another ...
    Arjun Arjun February 2002 Games
  • Your favourite machine apart from The SpectrumI've asked this on a couple of other sites, so now it's time to ask it here: what is your favourite machine, forgetting about the Speccy? For me, it'…

    ... program, either in Basic or assembly. And I used Art Studio ...
    paul paul November 2001 Games
  • INPUT ArchiveHowdy folks. I'd really appreciate some help in this. I'm planning on creating an online archive of the old coding mag INPUT (having recently acquir…

    ... , but I might get an assembly line thing going...

    Fuzzbucket Fuzzbucket November 2001 Games
  • Professional soccer CRLI have posted this elsewhere but thought it more suitable for here, I have found an .scl file of this game but have not got a clue what to do with it…

    Real Spectrum can read SCL disk images. You still can convert it to TRD format if you use an emulator which does not read SCL files (eg X128). There is a small DOS utility on WoS Betadisk/TR DOS utility page, SCL2TRD, which will do a fine job.
    Alessandro Grussu Alessandro Grussu October 2001 MIA/STP/SDP
  • Where are you from / who are you / do you still use the real SpectrumJust three questions to see how divers the Spectrumworld is and how many users are still around. If you want to stay anonymous, just answer the last …

    ... 'm building a disk IF (Betadisk) for this lovely machine.
    z00m z00m November 2001 Chit chat
  • Did you all take the exam???[url="http://www.worldofspectrum.org/testzx.cgi"]http://www.worldofspectrum.org/testzx.cgi[/url]

    ... play games than tinker with assembly language.

    I used ...
    Anonymous Anonymous August 2001 Sinclair Miscellaneous
  • Did you all take the exam???[url="http://www.worldofspectrum.org/testzx.cgi"]http://www.worldofspectrum.org/testzx.cgi[/url]

    ... programming: 60.00%
    Z80 Assembly language and system routines: 20 ...
    Fuzzbucket Fuzzbucket November 2001 Sinclair Miscellaneous
<1…12131415161718…34>

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