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Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... and floating bus stuff in ZXDS and there is ... data and still display them in time?). However, as ... on a real machine but unfortunately ULA in my beloved 48k ... tests.html"]zxtests[/URL], ulatest3 in particular.
[URL=" ... .net/"]Fuse source code[/URL]. -
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…
... prototype. Everything is covered in the magazine up to where ... article in this issue is "Programming the Z80", a new machine code ... memory and a couple of machine code instructions with a very small ... date 65C02 cpu emulator code and other enhancements including ... -
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 ...
?
Thanks in advance.
BigBadMick -
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…
... BASIC or is some machine code program *. My question ... br />
In BASIC I assume that the ... PRINT) was represented in memory by some kind ... in memory (and to tape) look about the same as a machine code ... , I think loading machine code sounds hard and tight ... -
Tapping into WarlockHello kindly people, I'm after some help. Back in 1984, my dad made a type-in game for the Spectrum called Warlock. It was published in ZX Computing…
... help. Back in 1984, my dad made a type-in game for the ... the back have the complete code for the game.
code. The game, fantastically, is here ... to get at the raw code, so I can just copy ... -
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…
... BASIC benchmark posted in Creative Computing back in the 80s came up ... we tracked down the BASIC code but the results aren't ... me? All my machines are in storage at the moment and ... reflect the speed of the machine running machine code but it would be ... -
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…
... noticed 3 of these in the WOS database. One ... possible to place refugees in your cargo bay, even ... with other stuff in there, as I've ... still can't understand much machine code.
Some ... All this loads into 53332 :)[/code]
The ... -
Changing BASIC loader in Chuckie Egg 2Hi, My aim is to include "PAUSE 0" event at the end of the loading of the Chuckie Egg 2 game. The reason is that I use emulator to load the game and…
... and disappears as the game code starts to run.
CODE
Then you ... screen and game code. Everything is in one block (I ... diffent to what we get in Blockeditor.
... CLEAR 65535: LOAD "CE2" CODE: LOAD "CE 2" SCREEN$< ... -
Did you publish any hoax back in the day?I did tons of those. I need to explain the "setting" though: Around 1990, we had this computer classifieds magazine printed on thin crappy recycled p…
... to talk weird crap in the Gameboy section, so ... probably 80%+ just nonsense posts in that particular section.
... a lot of tongue-in-cheek in those game tips ... with the same phone number in the following issue
... staff who had to type in all this crap (you ... -
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…
... a typed-in BASIC extender program. Alas the machine code routines themselves ... likely the routine was printed in ZX Computing or Sinclair ... Programs sometime in the mid 1980s (probably ...
(Note that the m/code routine I'm looking for ... -
48k disk basicWhen trying to use the CP/M colossal cave adventure .DSK file at [URL="http://www.alchemistresearch.co.uk/"]the CP/M section of this site[/URL] I got…
... ", which I can't see in Infoseek.
I was ... nice as you can indeed type in "CAT" and get a disk ... with identifying what Spectrum your code is running on.
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…
... thread).
Well in the past day or two ... should have a permenant place in a "classics" sub-forum. ...
Starting on machine code - BASIC first?:
[URL ...
secret room in sabouteur 2????:
[URL ...Unprotecting games without knowning m.c.DivIDE or MB02 users don't need unprotected games, but those who still use the Microdrive, Wafadrive, Timex FDD, +3, Plus D, Disciple or use the new …
... lives POKE on a real machine without the use of interfaces ... running machine code, does it matter where the ramtop is?
-In some ... jumping to the start address. In most cases the game starts ...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…
... me if you're interested in any of them. Unsure of ... upon request - but most are in very good condition. (Some may ... /> White Lightening
ZX Spectrum Machine-code Assembler
Magazine ...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…
... are
Practical Spectrum Machine Code
Games to play on ... if your looking for something in particular.
Anybody ... collect from Birmingham.
In related news now I have ... if I have a spare machine in the gallerys. If I have ...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…
... a 128MB stick of memory in there, with a knackered half ... a "take back" feature? See, in EmuZWin, holding down a certain ... can't read the Z80 machine code in backwards steps, as many instructions ... - I think I read it in the Warajevo instructions, but I ...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 ... guess its not a simple IN A, (191)?
I ...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 …
... there's no easy way in BASIC to make the menu ... be a case of a machine code replacement for BEEP, which also ...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.Watching screen while debugging???I'll try to state my problem clearly, but I don't know if I'll succeed ..:) I load a Spectrum program into emulator (it doesn't matter which one at …
... and enter debugger. In debugger you can execute machine code instructions (or all ... .
Is it possible, in any emulator, to watch changes ... example if i have the code:
LD A,255 ... a short line will appear in the corner immediately after the ...New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... worth of program really useful in (re-)learning BASIC, so ... carry the format over into machine code, to see what I ... space to b
in a,(c)
cp ... ;source of random bytes in ROM
ld d ... jp principalloop
;return score in BC
gameover
pop ...Crash Magazine, the ZX, and the power of nostalgiaI'm currently selling some Crash mags (see Sales section of WOS *PLUG!*) and I started thinking about the power of nostalgia and what keeps us intere…
... what keeps us interested in these retro elements long ... the first ever type-in I programmed in, which was Stasteroids ... was a very early type-in, it had some really ... no avail). Of course, type-ins were a love ... but also jealous your machine couldn't perform to ...Questions about registers, stack, etc.I was told that if I wanted to export code and create unprotected versions of games I should do the following: 1-Find the starting address by using …
... if I wanted to export code and create unprotected versions ...
3-Analyze where code starts and ends, and export ... machine code routine that will set everything according to what was found in ... that will load blocks of code, not headerless unless necessary and ...ZXSP and keyboard IN command (BASIC)?Just trying to get Astral Foxgloves type-in working on the ZXSP OS X emulator. Doesn't seem to be picking up the keyboard presses - it uses the IN Co…
... trying to get Astral Foxgloves type-in working on the ZXSP OS ... keyboard presses - it uses the IN Command. May be it only ... .users.globalnet.co.uk/~jg27paw4/type-ins/sincprog/sp8307.zip[/url ...PC based games editorsSo, how many people use these utils? Utils like JSWED, Bombjack editor, F1 editor, Commando editor and my own Bubble Bobble editor v3. The reason I…
... if anybody would be interested in one that edited a completely ... providing a lot more variations in game style and play.
machine code either. I'm just pondering ...Biggest gaming disappointmentsThe biggest let down I can remember was Matthew Smith's type-in Andre's Night Off. Surely there would be some magic in those few lines of code you ty…
... remember was Matthew Smith's type-in Andre's Night Off. Surely ... some magic in those few lines of code you typed in? So what ... cover, but delivered so little in its gameplay. I still completed ... . Within a year it was in the attic.Keyboard Input$/scan problemHi, I'm finally fulfilling my promise to get a reasonable understanding of the Speccy and embarking upon attempting a few simple routines in Assembl…
... attempting a few simple routines in Assembly. My current study ... New Generation program "The Complete Machine Code Tutor" and the popular "Spectrum ... minutes to correct and explain (in idiot terms) where I' ... only rewriting line 4 as: 'IN A,(FEh)' and exclude line ...Need a pointer to using the spectrum calculator from MCHi all, Can anyone point me to a good resource on using the spectrum calculator stack from machine code? I need to work out the number of seconds f…
... the spectrum calculator stack from machine code?
I need to ... to use the ROM code because, as in the BASIC book example ... to play about with dividing in straight machine code! and 10pm + would be ...Found a great ZX BASIC textbookProgramming Arcade Games for your Spectrum, by Adrian Jones. Found this in a second-hand bookstore over the weekend and if you're anything like me,…
... Jones.
Found this in a second-hand bookstore over ... /> It assumes you've typed in various bits of BASIC, know ... /> Some of the games use machine code sequences - entered by cunning manipulation ... /> For the record, I have in fact done various bits of ...ZXSpin for Spectrum DevelopmentI found this handy guide to setting up a cross-platform development environment for the Spectrum: [URL="http://zxspectrumdev.blogspot.com/2009/01/set…
... a bootstrap loader and code file already in it. You can ... br /> Is there any way in either of these emulators to ... mode? (Am I right in thinking the TAP file format ... hardware?).
In ZXSpin's options there's ... to play [I]R-Type[/I] without having to ...
