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<1…17181920212223…34>
  • Mnemonics UppercaseMy question is more PC oriented than Spectrum, but maybe somebody knows a simple solution. I have some Spectrum machine code in .asm files. I wrote …

    ... />
    I have some Spectrum machine code in .asm files. I wrote ... I want to compile this code under another assembler which requires ...
    Ralf Ralf September 2007 Development
  • Port Chuzzle Deluxe for Windows to the ZX Spectrum?Hi all, I've been looking around for a Commodore 64 or ZX Spectrum game that's very similar to a Windows game called "Chuzzle Deluxe", but haven't b…

    ... haven't done any Spectrum machine code programming - only BASIC programming, but ...
    timsquirrel timsquirrel September 2007 Development
  • Sam Revival issue 19 out now! [Sam CoupIssue 19 of Sam Revival is now out! Let's start off with what's on the coverdisk: Conquest. Written by Peter King in 1997 this originally had a lim…

    ... "Programming the Z80", a new machine code column from the talents of ... , memory and a couple of machine code instructions with a very small ... to date 65C02 cpu emulator code and other enhancements including support ...
    Quazar Quazar September 2007 Announcements
  • Can anybody recommend a good assembler?I've just downloaded Toni Baker's "Mastering Machine Code on Your ZX Spectrum" from the books archive and I'm hunting for a good speccy z80 compiler.…

    ... downloaded Toni Baker's "Mastering Machine Code on Your ZX Spectrum" from ...
    BigBadMick BigBadMick October 2007 Development
  • IM instruction - danger Will Robinson!!! :)Here's something I've wondered about for years: On page 102 of "Mastering Machine Code on your Zx Spectrum" by Toni Baker, there's an instruction li…

    ... /> On page 102 of "Mastering Machine Code on your Zx Spectrum" by ...
    BigBadMick BigBadMick October 2007 Development
  • Lots of original release Speccy/C64 gamesLOADS of Spectrum (and C64) games are going on EBAY tonight - hopefully I can raise a bit of much needed cash! Nearly all of the games are the origi…

    ... Box)
    Sinclair ZX Spectrum - MACHINE CODE EDITOR/ASSEMBLER
    Sinclair ZX ...
    chaosmongers chaosmongers October 2007 Sales
  • ZX Spectrum and (real) B A S I CSometimes ago there was a thread "how spectrum changed your lives". Another thread dealt with "how to copy spectrum screens using basic not using co…

    ... basic not using complicated that machine code routines".

    I thought ...
    ingo ingo October 2007 Sinclair Miscellaneous
  • SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…

    ... 23296:
    [code]
    UNTIL 23296
    [/code]
    This would ... use VALUE, like this:
    [code]
    UNTIL (RADDR=23296) ... way of reading this in machine code is the "IN A, ( ... , as demonstrated next:
    [code]
    UNTIL 49152 IF (PC ...
    Marko Marko November 2007 Development
  • How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…

    ... ? Does it use some special machine code instructions to send requests, or ...
    Rickard Rickard November 2007 Development
  • How could you hear if loading BASIC or MC?When loading a Spectrum program from tape you could usually hear from the sound if it is a BASIC or is some machine code program *. My question is, w…

    ... a BASIC or is some machine code program *. My question is, why ... about the same as a machine code routine?

    * As to ... the sounds, I think loading machine code sounds hard and tight, and ...
    Rickard Rickard November 2007 Development
  • How does the Z80 work internaly?How does the Z80 work internaly, i.e. how does it actually execute a machine code instruction? When it fetches a byte from the memory and finds, for…

    ... does it actually execute a machine code instruction?

    When it ...
    Rickard Rickard November 2007 Development
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... we tracked down the BASIC code but the results aren't ... reflect the speed of the machine running machine code but it would be ...
    JamesD JamesD December 2007 Sinclair Basic
  • DEF FN DirectivesI am looking at using some machine code functions from the DK Graphics Pack. They are machine code but they are called via Basic with the function de…

    ... am looking at using some machine code functions from the DK Graphics ... Pack. They are machine code but they are called via ... do I call these from machine code? Do the bytes following the ...
    carlinski carlinski December 2007 Development
  • How to add speech to a program?Is it possible to add speech to a machine code program? And with possible I mean with relative ease. Hardware could be 128k. Is there some utility …

    Is it possible to add speech to a machine code program? And with possible I mean with relative ease. Hardware could be 128k.

    Is there some utility around to record something and then be able to play it from inside a program?
    Rickard Rickard January 2008 Development
  • messianic lightAnybody read the bizarre posts by this guy on CSS? He's just bought a ZX81 machine code book on eBay and now wants to write a Java Runtime Environmen…

    Anybody read the bizarre posts by this guy on CSS?
    He's just bought a ZX81 machine code book on eBay and now wants to write a Java Runtime Environment on the ZX81 :-o
    rich_chandler rich_chandler February 2008 Sinclair Miscellaneous
  • Elite Commander Editors / CreatorsI've noticed 3 of these in the WOS database. One is MIA and the other two have bugs I've discovered and don't edit everything. So, I was going to ma…

    ... still can't understand much machine code.

    Some of the ... out so far...

    [code]0-9 - Commander name (followed ... /> All this loads into 53332 :)[/code]

    The numbers indicate ...
    mulder mulder March 2008 Games
  • Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?

    No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?
    ZnorXman ZnorXman March 2008 Sinclair Basic
  • Ripping a fontIs it possible to rip a font from a machine code game using Spin?

    Is it possible to rip a font from a machine code game using Spin?
    chop983 chop983 April 2008 Emulators
  • Looking for an extended BASIC graphics routine from mid- to late-80sHello all, This is my first post here so please go easy. This is basically a cut-and-paste job from comp.sys.sinclair where I've had no luck with an…

    ... BASIC extender program. Alas the machine code routines themselves are missing and ... />
    (Note that the m/code routine I'm looking for ...
    denali denali May 2008 Sinclair Basic
  • A classic thread sub-forum?You know how some sites have a "classic" thread sub-forum? Where any notable threads are moved to, after a certain period of time when no-one has pos…

    ... />


    Starting on machine code - BASIC first?:

    [URL ...
    ewgf ewgf June 2008 Sinclair Miscellaneous
  • Games sale clean-out...Having a clean-out, and are selling the titles below... PM me if you're interested in any of them. Unsure of any particular prices - make me an off…

    ... /> White Lightening
    ZX Spectrum Machine-code Assembler


    Magazine ...
    bobs bobs July 2008 Sales
  • Machines and game starter bundles for saleI am just in the process of compiling a new stock list for the Preservation team shop and I am going to add a lot of my spare hardware kit and some o…

    ... Pack" with a fully tested machine, power supply, cables, manuals, ... games and depending on the machine, a joystick interface, Blank ... to bundle them with a machine.

    Again fully ...

    Practical Spectrum Machine Code
    Games to play on ...
    ADJB ADJB September 2008 Sales
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... can't read the Z80 machine code in backwards steps, as many ...
    ewgf ewgf September 2008 Emulators
  • Help using M3 ramFrom the Multiface 3 manual. [quote]6.0 The Use of Extra 8K RAM --------------------------- The MULTIFACE's 8K RAM extension can be accessed and us…

    ... , requires a good knowledge of machine code plus further
    information on ...
    FrankT FrankT September 2008 Development
  • BEEP conundrumFor the "CSSCGC 2008 Tape Magazine" December edition, I have decided to use a BASIC sound routine I wrote last year which plays a festive tune using …

    ... be a case of a machine code replacement for BEEP, which also ...
    Digital Prawn Digital Prawn October 2008 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…

    ... sliding block puzzle. It used code to shift the screen blocks ... a mixture of basic and code. I've searched every task ... program myself using the various machine code window scroll routines scattered around ...
    FrankT FrankT October 2008 Sinclair Miscellaneous
  • 12-pixel-wide font on 512x192 screenThanks to Geoff I have a working prototype for displaying this font in BASIC. Machine code to follow.

    Thanks to Geoff I have a working prototype for displaying this font in BASIC. Machine code to follow.
    chev chev October 2008 Development
  • What's the best development environment?Dear all, In my teens, try as hard as I might, I could never get my head round machine code. Now fat and balding, I thought I'd have another bash; a…

    ... never get my head round machine code. Now fat and balding, I ...
    Tobo Tobo November 2008 Development
  • Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…

    ... filesizes?
    Are partitions and machine code the only way to deal ... they all rely on using machine code to read data from a ... /> -No need to learn complicated machine code (yes, I know, I know ...
    zxbruno zxbruno November 2008 Development
  • A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…

    I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but . . . how do you create random stars? Some help would be greatly appreciated?

    Andy
    DrewPee70 DrewPee70 December 2008 Development
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