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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…
... 'm looking for a machine code routine which will
clear ... bytes).
However, this machine code routine, when I tested
Machine CodeHi all, I want to get a machine code/assembler/dissasembler program from the WOS archives. But what in your opinion would be the best to get? I don`t…
... want to get a machine code/assembler/dissasembler program from the ...sound effect code causing crash[FONT=Courier New]I have just written this piece of code to produce a lazer sound effect but for some reason it is causing a crash and I can't figure…
... just written this piece of code to produce a lazer sound ... why it crashes?
[code]INITSOUND LD HL,SOUNDDATA
code][/FONT]A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…
... this?
[CODE]scf
ld a,255 ... /> call 1366
jp 30285[/CODE]
Another question ... example:
[CODE]di
ld de,23296 ... ld bc,40832
ldir[/CODE]
I know ... /> I have a machine code tutorial here and I will ...How can I view code from a game?Hi All, I had a Spectrum years ago and it is what started my love for playing games. I have recently been playing some of the old games I used to pl…
... how they structure the code and how they did ... interested in copying the code straight from the original ... there anyway of extracting the code from the .tzx or ... game into and lists the code?
With ... don't understand machine code, I think that Striker ...Spectrum games source code?Odd (and probably incredibly naive but gonna ask anyway hehe) question...is there any source code out there for the Spectrum games?
Odd (and probably incredibly naive but gonna ask anyway hehe) question...is there any source code out there for the Spectrum games?One Liner - Machine CodeHi Dr. BEEP, Digital Prawn, et. al., I think that what you guys have achieved with the one liner contest is absolutely amazing. It brought about wh…
... then runs a resultant machine code program (up to 289 bytes ... of machine code).
Specifically, the program ... payload consists of a machine code animation of Miner Willy which ... " (in bytes) of the machine code program.
The [ ...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…
... wanted to start learning machine code for the speccy, from scratch ... entirely possible to start machine code with minimal BASIC knowledge?
code into the speccy in the ...Code execution logging (Spin and EightyOne)I'm currently trying to analyse a piece of code by looking at the path taken through it while executing it. The easiest way for me to do this is to u…
... to analyse a piece of code by looking at the path ... an emulator that logs what code is being executed, and then ... run the code to completion (the aim is ... to remove parts of the code that never get run).
"Foul Play" vs. "Duh! Conniving Code"I just saw a little bit of a movie with an albino. Oddly enough he was assembling something resembling a sniper rifle. For a moment I thought I w…
... I was watching the DaVinci Code ... but then Chevy Chase pops ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
I have started to code my first machine code program, a simple ... /> and this is the assmebly code (now edited to show comments ... )
[code];scroll down 1 pixel at ... br /> endroutine
ret
[/code]Your help is much appreciated ...Need Help with codeHi there, let me preface this by saying I'm NOT an old school computer guy though I do remember using the internet before the WWW and my first comput…
... would be greatly appreciated. The code that I was given is ...Doubt on CRL's Formula One winning codeHi! A while ago, I played CRL's Formula One and succeeded in winning the driver's and team's championship in expert level. At the end of the champio…
... championship I was given a code (don't remember how many ... at least a 6 characters code).
Anyone knows what ... is this code used for?
Best ...Kerian UK Ltd - The CodeJust been browsing the archive and noticed that of the [URL="http://www.worldofspectrum.org/infoseekpub.cgi?regexp=^Kerian+UK+Ltd$&model=spectrum&loa…
... /Issue037/Pages/CVG03700012.jpg"]"The Code"[/URL] seems to be omitted ...FatWare source codeHi, Does anyone have the latest FatWare source code for the DivIDE? I've e-mailed Baze about it but got non-delivery notices. The last I heard he'd…
... have the latest FatWare source code for the DivIDE? I've ...Missing? Mastering Machine Code on Your ZX SpectrumHi, i was just reading a few posts about programming and this one comes up often; Mastering Machine Code on Your ZX Spectrum -Toni Baker [url]http:…
... often;
Mastering Machine Code on Your ZX Spectrum -Toni ...Machine code and Basic system variablesSpectrum system variables (I mean 48KB model) are essential for Basic. But what if I started my machine code program and it's never going to return t…
... if I started my machine code program and it's never ... had something to do with code executed during interrupts. I never ... I guess that the interrupt code uses system variables somehow.
IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…
... initial sync.
More precisely, I use this code:
[code] ... rather strange: sometimes, my code worked, and sometimes, it ... />
And the source code (to be assembled with PASMO ... ):
[code] ;Rutina de test del puerto ...Jet Set Willy II's colour code?Hi there everyone. Is there anyone who can help me with getting into JSW II The Final Frontier using the colour codes? I tried entering the code O1 …
... />
I tried entering the code O1 and then it said ...I Need Speed source codeI've just uploaded it to WoS, so I guess it will be here tonight too. It will also appear soon on CEZ card, but for the moment you can find it here: …
... .zip[/url]
The code is fully commented in english ...ZX81 ROM - GPL / source code?I've had a quick look around but can't find the original thread, if any. There are various mentions of the ZX81 ROM being released under the GPL, and…
... a downloadable set of source code somewhere that builds back to ...Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... br />
All the code files have a single character ... link
[CODE];
; machine code microdrive file loader
code
err_sp equ $5c3d ; ... /> ;
call loadit ; load code file "0"
;
ld ...Assembly code in The TerminatorSo I was watching The Terminator on T.V today. What a great movie eh? Anyway, towards the end of the movie when the terminator reaches the Tiki Mot…
... were "primitive assembly language program code, probably from a PC BIOS ... which microprocessor the assembly language code was for? Yes I realise ...HTML Transcription of Mastering Machine Code on Your ZX81Hi :) I've spent the last couple of months transcribing Toni Baker's "Mastering Machine Code on Your ZX81 or ZX80" from a PDF to HTML. The freely do…
... Toni Baker's "Mastering Machine Code on Your ZX81 or ZX80 ... learn how to write machine code programs, but also I wanted ... width of the pre-formatted code sections for reduced width browsers ... happened when adding the final code from Draughts Three. Anyway, I ...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…
... get you started writing machine code.
Anyone fancy ... br />
[CODE]
ZX SPECTRUM MACHINE CODE GAME 30 MINUTE ... CHAPTER 1 - Create a machine code function that returns the score ... down our blindingly fast machine code.
Insert the following ...Complete Machine Code Tutor, The - missing credit[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0008031[/url] Complete Machine Code Tutor, The Malcolm Evans [url]ftp://ftp.worldofspectrum.…
... [/url]
Complete Machine Code Tutor, The
Malcolm ...Adjusting your code for screen refreshingOk, I'm aware that I should know it already after writing 5 Spectrum games in machine code but interrupts and screen refreshes were always my weaker …
... 5 Spectrum games in machine code but interrupts and screen refreshes ... must of course adjust my code for screen redrawing.
code, the computer will wait until ... there any way in machine code to determine where is my ...Sync magazine missingOn WOS is nothing from the Sync magazine stored. Why? Micky
On WOS is nothing from the Sync magazine stored. Why?
MickySinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... Spectrum emulator written in machine code for x86-compatible, OpenGL-capable ... :
[LIST]
[*]Fast machine code performance
[*]Accurate CRT display ... /> [*]Quick'n'dirty audio/video sync; you may experience audio glitches ...
