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<1234567…34>
  • 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,…

    In the very early days I remember BASIC type ins.

    ... actually) how many non-BASIC type ins there were. I don ... 't remember seeing any in the 80s.

    ... been delighted to have a machine code game type in, after the regular disappointment ...
    Morkin Morkin September 2016 Sinclair Basic
  • Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…

    ... to program in machine code!

    CHAPTER 1 - Create a machine code function that ... of program as opposed to graphics data etc
    org ... the beginning of line 4, type 'ld bc,0'. ld is ... this code now. Do File -> Save, then File -> Assemble. Type ...
    bigjon bigjon November 2009 Development
  • Wanted: Machine Code Sprites and Graphics BookWould anyone be willing to either sell or swap this book. Its full title is Machine Code Sprites and Graphics for the ZX Spectrum : A complete guide…

    ... title is

    Machine Code Sprites and Graphics for the ZX Spectrum ... />
    Cover is light blue in colour with a picture of ...
    dmsmith dmsmith August 2004 Wanted
  • Name that Type-In! Game-Of-Life clone...Ok folks, get yer thinking caps on! It was a type-in. It used machine code to generate the display It used attributes to great effect Cells were rep…

    ... /> It was a type-in.
    It used machine code to generate the display ... /> It [i]probably[/i] appeared in YS as a Program Pitstop ... in Infoseek is a russian demo (has the correct looking cell graphics ...
    Dunny Dunny April 2012 Games
  • Machine code/Assembly language back in the dayHello. Back in the 80s when I was a kid, I didn't learn Z-80 machine code, but I was always curious about it. Just recently I decided to explore Z-…

    ... my little attempt at learning machine code on the Spectrum made ... you re-type your code, this time save your source code on tape ... was learning machine code on a real spectrum back in the 80s ... for people who were learning machine code back in the 80s?

    memrah memrah September 2013 Sinclair Miscellaneous
  • 2xBooks: Assembly Language For Arcade Games & Machine Code Sprites And GraphicsI'm looking for the following two books to help my machine code game programming: 1) Assembly Language For Arcade Games and Other Fast Spectrum Prog…

    ... two books to help my machine code game programming:
    1) Assembly ... Stuart Nicholls
    2) Machine Code Sprites And Graphics For The ZX Spectrum ... looking for the original books in good condition.
    I'm ...
    LevelUp LevelUp November 2019 Wanted
  • Fast division in machine codeHi Does anyone know what is the fastest way to divide a 16 bit number by 24 in machine code. Derek [ This Message was edited by: dmsmith on 2004-0…

    Hi

    Does anyone know what is the fastest way to divide a 16 bit number by 24 in machine code.

    Derek

    [ This Message was edited by: dmsmith on 2004-09-24 20:04 ]
    dmsmith dmsmith September 2004 Development
  • problem with Mega-Sphere (Your Sinclair type-in)Does anyone recall the program [url="http://www.users.globalnet.co.uk/~jg27paw4/type-ins/yoursinc/megsphre.zip"]Mega-Sphere[/url] from Your Sinclair …

    ... .globalnet.co.uk/~jg27paw4/type-ins/yoursinc/megsphre.zip ... over 200 type-in programs & routines published in Your Sinclair ... not available in a working version in the YS type-ins ... machine code) the program still doesn't work; the sphere gets stuck in ...
    Battle Bunny Battle Bunny September 2005 Games
  • +2 ramdisk - access in machine codeHow can you access the ramdisk in machine code? I've got a +2, and it seems the ramdisk has never been properly utilised. It would be a handy little…

    How can you access the ramdisk in machine code?

    I've got a +2, and it seems the ramdisk has never been properly utilised.
    It would be a handy little area to use.


    Thanks in advance,

    --

    cat
    cat cat October 2006 Development
  • First steps in Z80 machine codeI never got into machine code much back when I had a speccy, as I didn't have any development tools at the time. The only machine code I'd previousl…

    I never got into machine code much back when I ...
    The only machine code I'd previously done in the past was ... to the basics of Z80 machine code.

    I ... don't laugh at the code, I'm a Z80 ... learning the basics of Z80 machine code, seems like loads of ...
    Digital Prawn Digital Prawn July 2007 Development
  • How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…

    ... routines which do the job in thirds (as is
    how ... the display is mapped in memory), which can
    clear ... (30 bytes).
    However, this machine code routine, when I tested
    pixels are stored in memory) then that would be ...
    bobbyjaykid bobbyjaykid July 2007 Development
  • Starting on machine code - BASIC first?Howdy. If I wanted to start learning machine code for the speccy, from scratch, would you recommend I learn BASIC first or is it entirely possible to…

    ... I wanted to start learning machine code for the speccy, from ... entirely possible to start machine code with minimal BASIC knowledge?< ... how do you type machine code into the speccy in the first place ... without the BASIC keywords getting in the way?
    Beware ...
    Vertigo Vertigo November 2007 Development
  • Looking for a type-in.I remember a type in program of a sliding block puzzle. It used code to shift the screen blocks. At the start of a game you could select how many m…

    ... a type in program of a sliding block puzzle. It used code to ... that drew some geometric patterns in for the puzzle though.< ... a mixture of basic and code. I've searched every ... program myself using the various machine code window scroll routines scattered around ...
    FrankT FrankT October 2008 Sinclair Miscellaneous
  • storing machine code in BASICApart from putting m/c above RAMTOP, which means that it has to be POKEd or LOADed separately after the BASIC program; or putting it in a REM, which …

    ... method, described in Toni Baker's "Mastering Machine Code", which provides ... LOAD "filename" CODE mcpos,machine_code_length:
    PRINT "machine code starts at ";mcpos ... STOP
    9999 REM *** MACHINE CODE STARTS
    AFTER THIS LINE ...
    Battle Bunny Battle Bunny August 2010 Sinclair Basic
  • Automatic opcode to machine codeHi everyone, Would people use a program that you enter opcodes and it automatically converts them to machine code and saves them to a file. So if yo…

    ... it automatically converts them to machine code and saves them to a ... you used it you would type:

    LD A,01 ... machine code program to help me make programs. I would make it in ...
    Robin Robin September 2010 Development
  • IF and control flow in machine codeHi everyone, Basic has a nice control flow like if statements. How can these be done in machine code since i cant find anything thanks

    Hi everyone,

    Basic has a nice control flow like if statements.
    How can these be done in machine code since i cant find anything

    thanks
    Robin Robin September 2010 Development
  • storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…

    ... storing machine code between PROG & VARS, based on an idea in ... Toni Baker's "Mastering Machine Code". This enables ... ):

    REM INSTALL MACHINE CODE... with GO TO 9161
    CODE space
    9161 CLEAR ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • Help needed... RND in machine codeI have been battling away trying to convert a simple BASIC routine (below) to machine code, but to no avail. The routine is used to fire 2 bullets a…

    ... simple BASIC routine (below) to machine code, but to no avail.

    Many thanks in advance...
    daveysludge daveysludge July 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 …

    ... at a lot of the code examples in the Development section and ... wondering if anyone actually codes in neat Machine Code?

    I ... location in memory as I add Hex values, which I then type ... total control over the actual code, and where various variables ...
    LuMan LuMan March 2013 Development
  • Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…

    ... be much faster in machine code.. all the cool kids use machine code.."


    and type in STOP hit the enter key ... the function has returned, you type in PRINT USR 61440 (or whereever ...
    wibble wibble August 2013 Development
  • Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…

    ... advising him to get into machine code. I've been reading through ... book by Joe Pritchard called Machine Lang for the +2 - ... I understand is the same machine. But there are config differences ... out the m code type routines for music making in the Pritchard book ...
    sliderules sliderules April 2014 Sinclair Basic
  • Machine Code in 30 minutes - car gameWotcha folks, 30 years on and I'm still struggling with Machine Code. I'm going through the 30-minute tutorial on the Chuntey blog and it's all made…

    ... I'm still struggling with Machine Code. I'm going through ... caps to v
    in a,(c)
    cp ... space to b
    in a,(c)
    cp ... br /> dec l
    dontmove[/code]

    Unfortunately, there ... into BC, but what is 'IN A,(C)' actually doing? ...
    Tobo Tobo August 2014 Development
  • LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…

    How do you LOAD "" CODE from machine code?

    I have written ... fits into a REM statement in a basic program.

    CODE routine, nothing fancy headerless loaders ... worth of 128 code in bank 6?

    [CODE]ld a,64 ...
    daveysludge daveysludge October 2014 Development
  • Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…

    ... to machine code a while ago, I have started in earnest ... using the much recommended 'Mastering Machine Code on ... probably the first ever machine code program I have ever ... in BASIC, starting at address 40000, or 9C40h), and type ...
    namtip namtip February 2016 Development
  • Short unattended type-in'sThis follows a similar topic on the BBC/Acorn forum (said topic can be found [url="https://stardot.org.uk/forums/viewtopic.php?f=2&t=14919"]here[/url…

    ... / or hear for an unattended machine. The listing must be "short ... take too long to manually type in if required. A bit of ... convenient(ish) copy/paste
    [code]10 BORDER 0 : POKE 23693 ... n
    50 GOTO 20[/code]

    Be interested to ...
    spider spider July 2018 Sinclair Miscellaneous
  • machine code basicsWondered if anyone can help me out. I have been playing round with some disassemblers (Zeus). And Machine code loaders. All I want to do is print my…

    ... with some disassemblers (Zeus). And Machine code loaders.

    All I ... help me out.

    In other non- z80 examples there ...
    Duxbuz Duxbuz August 2001 Sinclair Miscellaneous
  • Machine code loaderI was wondering how people wrote games. On the trail to this knowledge I discovered a machine code loader in basic, and also z80 assemblers. Which i…

    ... this knowledge I discovered a machine code loader in basic, and also z80 ... />
    I am sadly interested in this stuff, wonder if anyone ...
    Duxbuz Duxbuz August 2001 Sinclair Miscellaneous
  • Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…

    ... i want to do something in machine code. I've seen a lot ... the loaders and seein the code was all blocked out or ... ) - how did they do that in basic?! lol im just curious ... any info, especially about the Machine code
    Alex
    alexsut alexsut July 2002 Sinclair Miscellaneous
  • Z80 Machine CodeHello again chaps, Hope I'm in the right category for this question - I suppose it could be under 'Game Creation / Programming'. hehe Ive got far t…

    ... ,

    Hope I'm in the right category for this ... a childhood ambition, and learn machine code.

    I got familiar ...
    the_misguided_fool the_misguided_fool August 2003 Games
  • help me identify this TYPE-IN for the Spectrum back in '83I've had an amazing time downloading some of the type-ins on this site and bring back lots of fantastic memories (I can still remember typing in Stas…

    ... /> Can someone help identify this type in, which I'm yet to ... Your Computer published a great type in based on the Light Cycle ... of the Spectrum's keyboard graphics, but looked really good despite ... after was definitely a free type-in listing from a mag circa ...
    DaxTrajero DaxTrajero July 2005 Games
<1234567…34>

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