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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…
... can learn the basics of machine code in half an hour by coding ... to program in machine code!
CHAPTER 1 - Create a machine code function that ... BASIC
Machine code programs are a series of bytes in the Spectrum ... -
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 …
... another method, described in Toni Baker's "Mastering Machine Code", which provides the ... in a REM; but is neater & easier than putting it in a REM ... /> PRINT "machine code starts at ";mcpos:
STOP
9999 REM *** MACHINE CODE STARTS
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 any ... , as if it was in a REM; but it doesn't ... (v/256):
REM INSTALL MACHINE CODE... with GO TO 9161
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? ...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…
... machine code).
Specifically, the program will
1) Load in a machine code ... machine code in an ASCII format
3) the "length" (in bytes) of the machine code ... halving the length of the machine code string in ASCII format.
Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…
... that ZX81 machine code is stored in a REM statement at line ... etc...)[/code]
...then could I just type in that REM statement ...
You can store Machine Code in REM statements on the ZX80, but ... this:
[code]10 REM -{space}{space}T0
...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 ... routine that 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 ...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 ]+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,
--
catFirst 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 ...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 ...machine code player routineHi all, Collecting all my courage to ask more (rather stupid attitude from me, but so difficult to ask questions and bother other people, don't unde…
... question about address 23760 in this same forum few ... old method to save machine code to first REM line (I was ... starting from address 30000 in blocks of 50 bytes. ... ie. saved to first REM line, which do the ... to enter the machine code routine to code or how to ...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
thanksHelp 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...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-…
... didn't learn Z-80 machine code, but I was always curious ... my little attempt at learning machine code on the Spectrum made me ... I was learning machine code on a real spectrum back in the 80s ... for people who were learning machine code back in the 80s?
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 ...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 ...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
AlexZ80 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 ...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…
... full title is
Machine Code Sprites and Graphics for the ... />
Cover is light blue in colour with a picture of ...any tips for learning spectrum machine code?hello there, I have some experince programming in basic, both sinclair 48+ (just need to recall most of what i learnt :D ) and Quickbasic. anyway i a…
... , I have some experince programming in basic, both sinclair 48+ (just ... . anyway i am intrested in learning spectrum machine code, can you give me ...Machine Code QuestionHi All Not sure if this is the right place for this but it seems closest. Am starting to read the Toni Baker Intro to Machine Code book and its ver…
... the Toni Baker Intro to Machine Code book and its very interesting ... is, and the hex machine code discussed in the book plus the relevant ...Basic or Machine code?Hopefully the correct area of the site to post this question. Anyways, I have got hold of several books on programming my spectrum, and I was wonderi…
... should learn to program in Basic, or machine code? Any help gratefully received ...All my Machine Code Books Up For GrabsSee [url=http://www.worldofspectrum.org/forums/showthread.php?p=139192#post139192]here[/url] for details. You too can learn to program the Speccy in…
See [url=http://www.worldofspectrum.org/forums/showthread.php?p=139192#post139192]here[/url] for details.
You too can learn to program the Speccy in Machine CodeMastering machine code on your ZX SpectrumWe all know this book (Toni Baker: Mastering machine code on your ZX Spectrum). Now that this book is available for download from WOS archive in PDF…
... this book (Toni Baker: Mastering machine code on your ZX Spectrum).
in PDF format and also it ...New Discussion Group? Sinclair Machine Code/AssemblyHello, What do people think about whether we should have a new discussion group relating to machine code for Z80? We have a Sinclair Basic discussi…
... new discussion group relating to machine code for Z80? We have a ... but not one about assembly code/machine code for the spectrum.
< ... are a number of postings in the forums which could fall ... is so simply and fast in machine code.
For me, Z80 ...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…
... machine code/assembler/dissasembler program from the WOS archives.
But what in ...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…
... giving my first steps in assembler (finally, after ... 20 years stuck in BASIC). I read a ... call 1366
jp 30285[/CODE]
Another question ... example:
[CODE]di
ld de,23296 ...
I have a machine code tutorial here and I will ...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 ... it entirely possible to start machine code with minimal BASIC knowledge?< ... do you type machine code into the speccy in the first place ... without the BASIC keywords getting in the way?
Beware ...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 ... pixel scrolldown routine in 40 Best Machine Code Routines for the ... and this is the assmebly code (now edited to show comments ... /> endroutine
ret
[/code]Your help is much appreciated ...
