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<1…15161718192021…34>
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    ... $43fc. That works only in 1K machines. I tried to do ... extended memory verslons of a ZX81 (48K was a challenge, but ...
    Dr BEEP Dr BEEP August 2014 Development
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    ... There are a lot of 1k games, but I am ... hires games in
    1K. On the minigamecompo 2011/2012 ... frogger in 1K memory. My favoriet 1k game is 1k chess.
    1k chess, it's very famous outside the world of zx81 ... .

    Yes, my code only load in 1k ...
    antoniovillena antoniovillena August 2014 Development
  • 16 augustus 2014 | Sinclair Takeover | Maarssen - The NetherlandsIt has been a year since our last "Sinclair Takeover" in Maarssen. This year we are going to do the same thing! [url]http://commodore.hcc.nl/events…

    ... /> What! Not a single ZX81 with my unique 1K hires game running?
    Dr BEEP Dr BEEP August 2014 Announcements
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    ... on Tetris in hires in 1K how to code. Problem is ... /> It's totally aproachable. My ZX81 tetris is based in a ... basic loader). When converted to ZX81 it grows about 500-600 ... are in Spanish, but in ZX81 version is mixed Spanish-English ...
    antoniovillena antoniovillena August 2014 Development
  • The best version of Elite?Various versions of Elite are mentioned in another thread ([URL="http://www.worldofspectrum.org/forums/showthread.php?t=48049"]Elite Dangerous: The o…

    [QUOTE=fog;787850]
    but fitting it on an electron was impressive.
    [/QUOTE]

    Pah! Dr. Beep could have fitted it into a 1K ZX81. And Bobs would have made the ZX81 version the only 8 bit version with filled vector graphics.
    ewgf ewgf August 2014 Games
  • The best version of Elite?Various versions of Elite are mentioned in another thread ([URL="http://www.worldofspectrum.org/forums/showthread.php?t=48049"]Elite Dangerous: The o…

    [QUOTE=ewgf;787863]Pah! Dr. Beep could have fitted it into a 1K ZX81. And Bobs would have made the ZX81 version the only 8 bit version with filled vector graphics.[/QUOTE]

    :lol: Y'know what, I actually believe they could!
    Graz Graz August 2014 Games
  • The best version of Elite?Various versions of Elite are mentioned in another thread ([URL="http://www.worldofspectrum.org/forums/showthread.php?t=48049"]Elite Dangerous: The o…

    ... have fitted it into a 1K ZX81. And Bobs would have made ... the ZX81 version the only 8 bit ...
    bigjon bigjon August 2014 Games
  • Unkatris, tetris clone for 1K ZX81Download: [url]http://sinclairzxworld.com/download/file.php?id=2053[/url] Source code: [url]http://sourceforge.net/p/emuscriptoria/code/HEAD/tree/te…

    ... you have 1K RAMTOP. If you have an expanded ZX81 you must ...
    antoniovillena antoniovillena September 2014 Brand new software
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    [QUOTE=Ralf;792537]
    And yes, recurssion is evil, avoid it like plague if you can ;)[/QUOTE]

    My recursive mazegenerator in a 1K ZX81 uses less memory than the iterative version, stack included, and it is still fast.
    Dr BEEP Dr BEEP September 2014 Development
  • ZX81 and Analogue TVsI recently bought a really nice ZX81 on ebay in amazing condition, but I'm having issues tuning in an old analogue TV to lock onto the signal. I und…

    ... ="Me (1024MAK)"][size=150][b]ZX81 Variations[/b][/size]
    ... /> There are many variations of ZX81 boards.

    There ... had either two 18-pin 1k x 4 bit SRAM ... making a total of 1k x 8 bit = 1k byte) or a ... single 24-pin 1k byte SRAM chip. These were ...
    1024MAK 1024MAK September 2014 Hardware
  • ZX81 internal RAM board?Just a quick question to Zorn (amongst others). What would the issues be with fitting one of Zorn's RAM boards into an unexpanded ZX81? Seems to me…

    ... HRG magic with a unexpanded 1k ZX81.

    Also to clarify ... 32k byte SRAM on the ZX81, if wired as shown, IIRC ...
    1024MAK 1024MAK October 2014 Hardware
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    ... ]My recursive mazegenerator in a 1K ZX81 uses less memory than the ...
    joefish joefish November 2014 Development
  • What is the Speccy? exUSSR edition.In exUSSR 8 years ago have been solved all these issues, and developed a General opinion. All who do not agree with this opinion, are incompetent peo…

    ... and hardware designs, from the zx81 to the 48k spectrum and ... static ram replacing the 1k ram in the zx81. The ZX printer ... for the ts1500, a 16k zx81 introduced to fill the gap ...
    Alcoholics Anonymous Alcoholics Anonymous November 2014 Hardware
  • Coder creates smallest chess game for computers[URL="http://www.bbc.com/news/technology-31028787"]Interesting article[/URL] from the BBC about "A French coder has developed what is thought to be t…

    ... :
    [LIST]
    [*]The original ZX81 chess program is not very ... and still work on a 1K ZX81, or is that imposible?
    ewgf ewgf February 2015 Sinclair Miscellaneous
  • Coder creates smallest chess game for computers[URL="http://www.bbc.com/news/technology-31028787"]Interesting article[/URL] from the BBC about "A French coder has developed what is thought to be t…

    ... and still work on a 1K ZX81, or is that imposible?[/QUOTE ... is much room in a ZX81, but it's not an ...
    antoniovillena antoniovillena February 2015 Sinclair Miscellaneous
  • New ZX81 DemoJim Bagley has demonstrated a new ZX81 demo today - at the moment, it is just streaming video from CF card using the ZXpand on a ZX81, but he is aimi…

    ... is not native on the ZX81 - he has managed to achieve ... buffer and (I believe) about 1K of code.

    The ...
    rwap rwap February 2015 Development
  • New ZX81 DemoJim Bagley has demonstrated a new ZX81 demo today - at the moment, it is just streaming video from CF card using the ZXpand on a ZX81, but he is aimi…

    [QUOTE=rwap;818884]I think we have to commend Jim for his achievements - remember that hi-res is not native on the ZX81 - he has managed to achieve this using a 6K buffer and (I believe) about 1K of code.
    [/QUOTE]

    Hear hear! :smile:
    cmonkey cmonkey February 2015 Development
  • New ZX81 DemoJim Bagley has demonstrated a new ZX81 demo today - at the moment, it is just streaming video from CF card using the ZXpand on a ZX81, but he is aimi…

    ... is not native on the ZX81 - he has managed to achieve ... buffer and (I believe) about 1K of code.

    The ...
    Bermondsey Bob Bermondsey Bob February 2015 Development
  • Retro gamer, 138There's and article in the above magazine listing the top 25 ZX81 games, the articles stays with games released at the time 81-85 but I'm surprised t…

    ... any of mine, the amazing 1K releases of Dr Beep, or ... is very lacking where the ZX81 is concerned.

    But ...
    bobs bobs February 2015 Sinclair Miscellaneous
  • Retro gamer, 138There's and article in the above magazine listing the top 25 ZX81 games, the articles stays with games released at the time 81-85 but I'm surprised t…

    ... any of mine, the amazing 1K releases of Dr Beep, or ... is very lacking where the ZX81 is concerned.

    But ...
    ewgf ewgf February 2015 Sinclair Miscellaneous
  • ZX81 simple 16K modHi everyone! For the black & white addicts among us, :-B I've put up a web page detailing how I expanded a few of my ZX81's to 16 KB: <a href="…

    ... address line? Handy for testing 1K or 2K software, I might ... that to one of my ZX81's.

    Btw: I ... wired to +5V on the ZX81 board, and you save another ...
    RetroTechie RetroTechie July 2015 Hardware
  • Short & Amusing (was: Soduko Solver)Looking for some ideas for simple but fun programs, I came across this brute force soduko solver which might amuse: [code] // zcc +zx -vn -startu…

    ... 1980s... back then we had 1k zx81 which was the size of ... about 12k and, like 1k chess for the zx81, includes everything except ...
    Alcoholics Anonymous Alcoholics Anonymous August 2015 Development
  • The first Spectrum ChessI checked a little bit, which was first published chess program for the Spectrum. I narrowed the choice to Spectrum Chess (Artic) or Chess Player (Q…

    Not as great an achievement as cramming most of the rules of chess into the 1K ZX81, as someone managed. I did have Psion chess, remember playing it with two broken wrists.
    MartinUK MartinUK September 2015 Games
  • The first Spectrum ChessI checked a little bit, which was first published chess program for the Spectrum. I narrowed the choice to Spectrum Chess (Artic) or Chess Player (Q…

    ... rules of chess into the 1K ZX81, as someone managed. I did ...
    rich_chandler rich_chandler September 2015 Games
  • Where's it all going?[Rerouted from 'Assembler Intricacies' in Development Forum] [QUOTE=Timmy;506104]I don't think we're in disagreement here. As I've said it's a niche…

    ... new boundaries for the ZX81 with the 1K hires games.

    Dr BEEP Dr BEEP October 2015 Sinclair Miscellaneous
  • 7mhz CPU?One of the things I like about Spectaculator, is that I can zap the clock speed of the emulated CPU up. Doing so makes me wonder about why the desig…

    ... , I do know of turbo ZX81's, which run at 6 ... .5MHz (double the ZX81's normal 3.25MHz clock ... entire core of the original ZX81 - That's not using mostly ... )?

    Removing the original 1k byte SRAM chip (or chips ...
    1024MAK 1024MAK November 2015 Hardware
  • ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…

    True hires is possible in 1K. Sofar I have code 23 ... games in 1K with hires.
    This includes ...
    - Othello
    - Police Patrol ( zx81 version of TRACERS)
    - meteor ...
    Dr BEEP Dr BEEP December 2015 Sinclair Miscellaneous
  • ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…

    The ZX81 PLOT & UNPLOT commands just ... block. This in the standard ZX81 "text" "mode".

    As ... -res displays all in just 1k bytes of RAM B-)
    ZX81 BASIC is completely unaware of ...
    1024MAK 1024MAK December 2015 Sinclair Miscellaneous
  • Chess VariationsI think a good idea would be to have a Spectrum Chess game with all the good variations in : like the Andernach chess variation which is listed in …

    ... .ac.uk/~uzdm0006/scans/1kchess/"]1K ZX Chess[/url] by David ... .com/viewtopic.php?t=1476"]1K ZX Chess Plus[/url] by ... ), unlike the others.

    1K ZX Chess was never intended ... available memory of the original ZX81 with 1Kb memory (that actually ...
    Einar Saukas Einar Saukas January 2016 New game ideas
  • Usbourne books available for downloadDunno if this has been noticed here before, but you can now download the generally awful Usbourne programming books for free: http://www.usborne.c…

    ... as possible squeeze into a 1K ZX81. Still, they helped me to ... />
    Yesterday I got a ZX81 in the post that I ...
    PrimitivePerson PrimitivePerson March 2016 Development
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