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<1234567…34>
  • Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…

    ... asm

    .org $8000



    ;Bresenhams circle ... the 8 octants of the circle.



    call circle

    ret

    ;******Circle ******
    circle:

    ld ...
    rtunes rtunes September 2008 Development
  • I need ASM for random numberI need to generate a random pair of coardinates in asm so that x=random no between 0 and 31, y=random no between 0 and 23. Any ideas on how to code …

    I need to generate a random pair of coardinates in asm so that x=random no between 0 and 31, y=random no between 0 and 23.

    Any ideas on how to code the above

    Cheers
    robpearmain robpearmain September 2004 Development
  • Zaf-forth to Z80 compiler Build 5This forth like complier is changing almost every day with new items been added. Here is a new Zaf-forth word add it the sptword.fth file - which is…

    ... /> =zxcircley
    =zxcirclex
    asm
    ld a,(zxcirclex)




    ;"Circle-Demo"
    ;"Draws 30 circles ... screen"

    ."Random Circle Demo"
    ;"print message"
    circle"

    next
    Steve(spt) Steve(spt) October 2004 Development
  • Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…

    ... wrote a proc in z80 asm, based on:
    < ... data. I suspect a circle on a screen, but ... />
    ;============================================================================
    ;x.asm 2006 (c) by Xor
    xor xor July 2006 Development
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... what I see in the asm is this ( grabs from screen ... width, int length )
    {
    #asm
    push ix
    ld ...
    DonkeyPong DonkeyPong January 2007 Development
  • [WANTED] ASM routinesHi there, 1.) i really need 5-6 working and well commented routines, showing assembler capabilities. They should be simple, but not too much complic…

    ... many books about programming in asm but the codes were too ...
    JuPo JuPo May 2008 Emulators
  • How do I load .ASM text files into an assembler ?I notice that the old Sinclair magazines contain assembler routines that someone has put into .ASM files. These files are text files. I have a copy …

    ... that someone has put into .ASM files. These files are text ... suitable for loading in the .ASM files ?

    So how ... do I use the .ASM files without typing the assembler ... Linux tool that converts the .ASM file into a .tzx/.tap ...
    bladerunner bladerunner January 2009 Sinclair Miscellaneous
  • What's the best prog to read .asm files?I'm talking about on the PC, i.e. grab an .ASM speccy file, read it and plop it on-screen with all the fancy colours for each word/remarks/numbers et…

    ... PC, i.e. grab an .ASM speccy file, read it and ... [U]BASIC[/U] and not asm ... oh, well)

    Thanks ...
    ZnorXman ZnorXman June 2009 Sinclair Basic
  • reimport of exported asm in 7upI know it may seem a cryptic title but is there a way of importing an asm file ( created using the export data option within 7up) back into 7up or an…

    I know it may seem a cryptic title but is there a way of importing an asm file ( created using the export data option within 7up) back into 7up or any other editing software , i have a bunch of asm graphic files and have lost the original sev files ???
    CodenameV CodenameV February 2010 Development
  • 'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…

    ... classic 'Hello World' print with ASM code ?
    I cant figure ... handle strings with the spectrum asm.

    I imagine that ...
    arfgh arfgh June 2010 Sinclair Basic
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... , and not in ASM. For example in asm with the follow definition ...
    arfgh arfgh June 2010 Sinclair Basic
  • Full ASM code or a mixed solution ?Ok another important question. Building a program in asm, is it interesting that all the program is done in asm or always is interesting for some r…

    ... />
    Building a program in asm, is it interesting that all ... the program is done in asm or always is interesting for ... , to be used into our asm code.
    or
    define ... the gdu into the asm code and only have the ...
    arfgh arfgh June 2010 Sinclair Basic
  • Building a menu in ASMWEll as probably some figured, i am learning asm at least to make the basic menu i did in basic. It is a menu where we can select games to be loaded.…

    ... some figured, i am learning asm at least to make the ... wanted to do it in asm. Also in the 80's ... and always wanted to make asm but never had the required ... idea to make this in asm is that each line of ... all this, but now in asm and due to my limited ...
    arfgh arfgh June 2010 Sinclair Basic
  • Arrays in asm ?Just following the idea to make the menu entirely in asm, how can i handle arrays in asm to store the each game loader to be loaded ? thx in advance

    Just following the idea to make the menu entirely in asm, how can i handle arrays in asm to store the each game loader to be loaded ?

    thx in advance
    arfgh arfgh June 2010 Sinclair Basic
  • Do a load "file" with ASMFollowing the idea to build a menu with asm, now i need to know how to do a load "file". I can use the Rom routine but i am not sure if the rom rout…

    ... to build a menu with asm, now i need to know ...
    arfgh arfgh June 2010 Sinclair Basic
  • quick - Zx80 ASM questionWhile I am ploughing through lots of ASM listings, one of my earlier adaptation attempts surprised me [B][asm code][/B] [code] org 32768 start: ld…

    ... am ploughing through lots of ASM listings, one of my earlier ... surprised me

    [B][asm code][/B]
    [code]
    Zetr0 Zetr0 May 2011 Development
  • New ZX Spectrum emulator for Jupiter AceProject page (sorry in Spanish) [url]http://retrolandia.net/foro/showthread.php?tid=36[/url] Try it in a Jupiter Ace emulator [url]http://jupiler.re…

    ... Spectrum pure BASIC games. PLOT, CIRCLE and DRAW are also emulated ... .sourceforge.net/viewvc/emuscriptoria/bascolace.asm[/url]

    You can ...
    antoniovillena antoniovillena September 2012 Emulators
  • ASM returnsHi WOS, I used to be an active member on the WOS forums back in 2010. I left the scene (along with some other members) due to various personal reaso…

    ... :)

    Regards

    ASM
    ASM ASM March 2013 Chit chat
  • Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…

    ... to create and "name" an asm routine for playing some ay ... to use it inside an asm program. Also I need to ...
    DaRkHoRaCe DaRkHoRaCe September 2013 Development
  • GEDit syntax highlighting for Boriel's ZX BasicHi! I just tailored this syntax highlighting code and would like to share with he community. Suggestions are always welcome, though the file works w…

    ...
    and
    align
    asm
    asn
    at
    cast
    chr
    circle
    cls
    code
    pkersey pkersey February 2014 Development
  • CIRCLEHi, I'd like to draw a circle x,y,r using the BASIC-ROM subroutines. I've put x, y and r onto the calculator stack and used CALL #232D and RET. I g…

    ... 'd like to draw a circle x,y,r using the ... RET.
    I got a circle on the screen but after ...
    HZJ HZJ March 2014 Development
  • Hungarian notation for asm - Yes or No ?There is thing called hungarian notation - https://en.wikipedia.org/wiki/Hungarian_notation Basically it is all about using prefixed indetifier to i…

    ... for languages with types but asm is different story.
    So ...
    catmeows catmeows July 2015 Development
  • Where can I get some AY music asm/binary files?Is there an online repository for these types of file that people can download and use on their projects? Seen something similar for MSX (Z80 base…

    Is there an online repository for these types of file that people can download and use on their projects?

    Seen something similar for MSX (Z80 based AY I think), will those .asm files work on the 128 with a little tweaking?
    daveysludge daveysludge March 2016 Development
  • Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…

    ... />
    [code]
    /*
    * Hello CIRCLE
    */

    #include
    {
    #asm

    POP HL ; HL ...
    andydansby andydansby June 2016 Development
  • Communal Project for ASM NewbiesHi Folks, I tend to learn best by trying stuff and then going through the pain of it not working so that I can research and fix mistakes. I suspec…

    ... us less experienced in Z80 ASM to help us in the ...
    KrazyKattapilla KrazyKattapilla October 2016 Assembler
  • Reading Disks via ASMI'm hoping to port my Amstrad game to the spectrum (See the link in my sig for info) I will be targeting the 128 and +3 - the game will not work on …

    ... 'm trying to find some ASM examples of disk reading, documentation ... !
    3. links to example ASM source code would be a ...
    keith56 keith56 July 2017 Development
  • [Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…

    ... all. I'm learning Z80 asm on Speccy 48K, and to ... here it is, the first asm I've ever written using ... [url=http://clrhome.org/asm/]the excellent ORG web ide ... . Remember this is my first asm code so be gentle :)
    ST1 ST1 November 2018 Development
  • Pseudocode for CIRCLE algorithm?Can anyone provide me with the pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge isn't up to reading the ROM routine. I'm try…

    ... pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge ... been using Bresenham's Midpoint Circle algorithm (copied from the web ...
    LevelUp LevelUp February 2020 BASIC
  • 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…

    ... write a simple C/asm horizontal scrolling game[/b ... up a good C/asm development environment can take ... __FASTCALL__ scroll_left()
    {
    #asm
    db 6,191,33 ... {
    scroll_left();

    #asm
    halt
    #endasm
    Timmy Timmy September 2020 Development
<1234567…34>

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  • saving to asmMy another question...<br /> I know I can save part of Spectrum memory to .bin file. However I would like to save it (or convert .bin file)into .txt …
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as <br /> "Grabbed" by SmallC. I can see the assembler implementation …
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  • [WANTED] ASM routinesHi there,<br /> 1.) <br /> i really need 5-6 working and well commented routines, showing assembler capabilities. They should be simple, but not too …
  • Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM.<br /> It only uses integer math and runs very fast and is very compact.…
  • How do I load .ASM text files into an assembler ?I notice that the old Sinclair magazines contain assembler routines that someone has put into .ASM files. These files are text files.<br /> <br /> I …
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