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  • tips on optimizing assemblyI wrote a small routine to rotate right a whole screen character line complete with attributes. This is my third ever assembly routine, so I guess i…

    I wrote a small routine to rotate right a whole ... /> This is my third ever assembly routine, so I guess it utterly ... how much I suck at assembly coding ;)
    na_th_an na_th_an November 2006 Development
  • New game released: EXPLORER<div><span style="font-size: 13.3333330154419px; line-height: normal; font-family: 'Courier New';">- EXPLORER -</span></div><div><span style="font-si…

    ... my old game, including an Assembly routine to scroll a screen window ... (www.zxbasic.net), revisiting the graphics and bringing a bit of ...
    Luca Bordoni Luca Bordoni June 2015 Brand new software
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... viewer in Java, or z80 assembly now???... I was thinking of ... icabod.org/pngconv/[/url] ) . The assembly from that is likewise run ... , Iv been assembling the tile graphics data first and then following ... , if you were coding an assembly routine to view such a map ...
    kgmcneil kgmcneil February 2010 Development
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... viewer in Java, or z80 assembly now???...[/QUOTE]
    in ... through something called Png2Asm. The assembly from that is likewise run ... Iv been assembling the tile graphics data first and then following ... if you were coding an assembly routine to view such a map ...
    Fikee Fikee February 2010 Development
  • ZX-Draw (Maraf-Soft). New utility for vectorial drawingThe author seems to be asking for feedback and features suggestions. http://calentamientoglobalacelerado.net/ZXdraw/ This other tool looks like u…

    ... posted a super fast assembly routine for plotting and drawing ... super fast (pasmo compatible) assembly routine for drawing that data ... a super fast flexible assembly routine, might prove more useful ... ability to design their graphics using applications they are ...
    kgmcneil kgmcneil April 2017 Development
  • Printing text, part MMXIIXI'm pretty sure there's been a zillion threads about this already, and I don't think it's the first one by myself either, but here goes. Proportiona…

    ... are limitations on the font graphics with this method... I'm ... library or a standalone assembly routine. From the standalone assembly code perspective, it ...
    Ast_A_Moore Ast_A_Moore December 2018 Development
  • What tooling to use to start zx spectrum game programming?Hi, I owned a zx spectrum when I was young and would like to get back into game programming on the zx spectrum. As time has passed I have ran away…

    You could also look at ZX PaintBrush for graphics & Vortex Tracker for PT3 (AY) music creation, both are Windows programs... For quick and dirty assembly routine testing and writing, Id also recommend EmuZWin too, for its built in Assembler...
    kgmcneil kgmcneil June 2020 Development
  • Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…

    ... from a small (rather nasty) assembly routine I wrote that builds a ...
    Winston Winston January 2009 Development
  • Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…

    ... when it comes to Z80 assembly (not to mention a stinkin ... 'm interested in optimizing the assembly routine for size and the disassembly ... routine for speed if that makes ... in practice, especially for the assembly side of things.

    doynax doynax June 2009 Development
  • Die RollerOkay, technically it's in machine code - but it's all compiled in a basic compiler. (you know, the one that people keep telling us is impossible to …

    ... of fun. Also, had this routine been part of the FF ... better in an hour. Sprite routine, graphics and all, this was about ...
    Gedlion Gedlion July 2010 Sinclair Basic
  • byte to screen eventI have another question regarding assembly routine in MMCOYZXS by Toni Baker page's 87-88 [QUOTE]21A440 LD HL,40A4 11083F LD DE,3F08 0608 LD B,08…

    I have another question regarding assembly routine in MMCOYZXS by Toni Baker ...
    username username April 2014 Sinclair Miscellaneous
  • 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 BASIC ...
    Alessandro Grussu Alessandro Grussu February 2020 Development
  • Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…

    ... 'm interested in optimizing the assembly routine for size and the disassembly ... routine for speed if that makes ...
    roko roko June 2009 Development
  • Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…

    ... 'm interested in optimizing the assembly routine for size and the disassembly ... routine for speed if that makes ... /> simple way how to compile assembly code is to design a ...
    Fikee Fikee June 2009 Development
  • Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …

    ... do that processing through the assembly routine used to play back ... assembly for each could then be combined in a custom made routine ... the assembly for each of your music parts. The routine would ... />
    Oh, incidently, the assembly I posted above is sort ...
    kgmcneil kgmcneil June 2010 Announcements
  • Message to all programmersHello folks, more and more programmers in the recent time are using special loading routines for their Homebrew-Software. This makes their game runn…

    ... have different syntaxes and a Assembly routine can not cover them all ...
    LCD LCD August 2010 Development
  • Home Brew stuff...I'd quite like to have a go at writing a game for the speccy. Will probably start with maybe re-trying stuff that has already been done, just to pra…

    ... want to mess with assembly.

    For graphics I use zx ...
    BiNMaN BiNMaN August 2010 Games
  • Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …

    ... script with a hacked together assembly routine for playing back the outputed ... in what your rom beep routine looks like!...

    Incidently ...
    kgmcneil kgmcneil October 2010 Announcements
  • Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…

    ... /> The USR function invokes an assembly routine and returns a numeric value ... />
    I bet the MicroPrint routine always returns the same value ... ], every time you call this routine you are setting the random ...
    Einar Saukas Einar Saukas May 2011 Sinclair Basic
  • Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…

    ... ]The USR function invokes an assembly routine and returns a numeric value ... />
    I bet the MicroPrint routine always returns the same value ... ], every time you call this routine you are setting the random ...
    Paddy Coleman Paddy Coleman May 2011 Sinclair Basic
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... this screen, use a small assembly routine to re-paint the logo ...
    Einar Saukas Einar Saukas October 2011 Development
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... this screen, use a small assembly routine to re-paint the logo ...
    ZnorXman ZnorXman October 2011 Development
  • Code optimisation - can you help?Hi Folks, I have been looking at the following code fragment for days and I have been able to improve its performance quite a bit. However, it is a…

    AFAIK, that LPRINTs call to an assembly routine to print 42 chars per line.
    na_th_an na_th_an March 2012 Sinclair Basic
  • Code optimisation - can you help?Hi Folks, I have been looking at the following code fragment for days and I have been able to improve its performance quite a bit. However, it is a…

    [QUOTE=na_th_an;607272]AFAIK, that LPRINTs call to an assembly routine to print 42 chars per line.[/QUOTE]

    Almost Nathan. It is actually the Proportional Print routine and the x,y are graphic coordinates.

    Paddy
    Paddy Coleman Paddy Coleman March 2012 Sinclair Basic
  • SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…

    ... convenient for an Assembly program to invoke an Assembly routine passing parameters through ... initial string, then invoke a routine that will return in HL ...
    Einar Saukas Einar Saukas June 2012 Development
  • Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …

    ... opticode, or getting that buggy assembly routine to finally be optimized and ...
    Zetr0 Zetr0 March 2013 Development
  • pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…

    Somehow I suspect nobody's interested on pathfinding anymore :)

    Even so, I made a small change to previous implementation so it now supports multiple sources and multiple targets. In practice, it only means that this variant will calculate ...
    Einar Saukas Einar Saukas May 2013 Development
  • C.G.D - Classic Game Designer[b]UPDATE: August 07, 2013 AN UPDATED VERSION OF CGD IS NOW AVAILABLE, DETAILS HERE: [url]http://www.worldofspectrum.org/forums/showpost.php?p=7155…

    ... the initial pause from your Assembly routine since it will be executed ...
    Einar Saukas Einar Saukas July 2013 Brand new software
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... easiest is to write assembly for it. A routine for conversion can ... the forum for a simple assembly routine.
    Timmy Timmy November 2013 Development
  • pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…

    [QUOTE=Einar Saukas;701310]I'm now considering to implement a Z80 assembly routine for practical use in games[/QUOTE]

    Done. You can read about it [URL="http://www.worldofspectrum.org/forums/showpost.php?p=789350&postcount=51"]here[/URL].
    Einar Saukas Einar Saukas September 2014 Development
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