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Machine code loopsDear all, 30 years too late I know, but I'm finally starting to get to grips with Machine Code - something I could never manage back in my early tee…
... starting to get to grips with Machine Code - something I could never manage ... 'm mucking about with what I can do with the screen addresses from ... I not just load BC with say 6912, dec it, and ... -
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…
... and I'm still struggling with Machine Code. I'm going through the ... a certain part that deals with reading the keyboard.
< ... example Assembly is this:
[code]
ld bc,65278 ; ...
dec l
dontmove[/code]
Unfortunately, there ... -
Problem with BC corrupting after DJNZJust for fun, I'm messing around trying to get the level maps from Lemmings to display on the screen with machine code. It's been ages since I did an…
... to display on the screen with machine code. It's been ages ... stored sequentially unlike the screen which is arranged differently ...
LD DE,16384 ; SCREEN START ADD
... code]
Apart from not getting what I expected on screen ... -
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 roadrace ... printroad
ld (hl),a ;print left side on line1
print
ld (de),a ;??print a blank ... a whole screen
jp scrlcount ;otherwise continue with another pixel ... -
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…
... in machine code!
CHAPTER 1 - Create a machine code function ... program to run the machine code and print the score we have ... fill the screen with the road we will use machine code's equivalent ... /> If it is odd, lower the road position in hl ... -
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…
... been playing round with some disassemblers (Zeus). And Machine code loaders.
All I want to do is print my ... name on the screen but i can ... if anyone wants to part with any please let me know ... -
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
screen
(13 bytes). ... , width and
PRINT AT coordinates of where to ... bytes).
However, this machine code routine, when I tested
PRINT AT F,0;"" : NEXT ... -
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…
... in assembly/machine code for the specy (with a load screen and ... returned, you type in PRINT USR 61440 (or whereever ... [/code]
fingers crossed and a
[code]
PRINT USR ... 61440
[/code]
Ohhhh ... -
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 ... our screen colours.
xor a ; quick way to load accumulator with ... /> ld (23739),a ;restore print
call 61900 ;start game[/CODE] -
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…
... a resultant machine code program (up to 289 bytes of machine code).
< ... lines, leaving me with 18.5 lines for the machine code "payload". What ... a machine code coder.
My payload consists of a machine code ... on top and bottom of screen -
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…
I've been experimenting with transferring games to run from ... . Load the compressed screen
3. Decompress the screen
4. Load ... a link
[CODE];
; machine code microdrive file loader
; proof ... -
Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …
... send midi-signals by machine code, while Basic is too ... , before calling this hookcode with RST #11E.
... 0) or shadow (1) screen to be displayed. The normal ... 5, whilst the shadow screen is in bank 7. ... using 48K Basic together with an interrupt routine which ... -
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 …
... space and doesn't interfere with LISTing the program - as if ... :
LOAD "filename" CODE mcpos,machine_code_length:
PRINT "machine code starts at ";mcpos:
Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... have started to learn Z80 machine code - 25 years too late! :smile ... but I have become stuck with the JR NZ instruction. My ... is intended to paint the screen black (nothing complex) and looks ... is FFh in the first screen address i.e. it seems ...Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... learning z80 machine code.
Anyway will kick it off with a ...
; **********************************
; xy coords to screen pixel position
; **********************************
ld ...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…
... a routine for storing machine code between PROG & VARS ... Toni Baker's "Mastering Machine Code". This enables any attendant ... />
REM INSTALL MACHINE CODE... with GO TO 9161
REM ... LOAD "m/c"CODE mc,ml:
PRINT "m/c starts: ...Machine Code for Beginners - error?Dear all, I've picked rather old book called Machine Code for Beginners by Usborne.1983 There's an example inside which claims to print a messa…
... picked rather old book called Machine Code for Beginners by Usborne.1983 ... print a message on the screen; however, even without knowing too much machine code ... , a quick glance over the code suggests it ...Ultimate games with short machine code files loaded lastThis is a bit geeky, you've been warned! I remember early Ultimate games loaded from tape had the ascending beeping noise, a "Please wait" message, …
... loading screen (usually excellent but we know that), a large machine code file ... and then....
2 or 3 short machine code files ...Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... />
Trying my hand at machine code again but falling at the ... byte of screen (not attributes) with 255.
[code]
LD ... run the machine crashes. I assume there is something wrong with the ...Can I record binaries from any emulator with Basic commands, machine code, macros or something?Hello I do not know if this is the right place to put this question Normally with ZXSpin if I want to save a binary file, I'm going to: file ->…
... this question
Normally with ZXSpin if I want to ... and he records a file with the extension
that wants ... /> Can you do this with some emulator and machine +2, +3, or ... commands in basic or from machine code, that is not in a ...Saving machine code on EmulatorI have been dabbling with Chapter 26 of Stephen Vicker's "ZX Spectrum Manual". [url="http://www.madhippy.com/8-bit/sinclair/zxspecman/zxmanchap26.htm…
I have been dabbling with Chapter 26 of Stephen Vicker' ... /> It explains how to input machine code and then finally tells you ... program that then loads the code to run. However, I cannot ...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…
... simple! Things like
10 Print "hi"
20 Goto 10 ... want to do something in machine code. I've seen a lot ... the loaders and seein the code was all blocked out or ... any info, especially about the Machine code
AlexSpeccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... more info on how the screen works and stuff like reading ... /> The dark art of speccy machine code is obscure and mysterious, thats ...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…
... a day on the train with my laptop. So I've ... , and learn machine code.
I got familiar with basic when I ... need to fill my time with a spectrum related pastime.
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 ... is light blue in colour with a picture of someone holding ...Spectrum Machine Code Books, Snes Games and Weather Stations!!Hello spec-chums... Got some more stuff on E-bay, including some lovely little books on Machine code for the spectrum... "SPECTRUM MACHINE LANGUAGE…
... some lovely little books on Machine code for the spectrum...
"SPECTRUM MACHINE LANGUAGE FOR THE ABSOLUTE BEGINNER ... at the link below, along with the rest of my retro ...Mastering 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).
with the errata sheet from the ...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 ... but not one about assembly code/machine code for the spectrum.
... other (traditionally BASIC programmers) with bits of advice or small ... so simply and fast in machine code.
For me ...How did games started with LOAD "" CODE auto-start?Some early games (l remember for example [B]Galaxians[/B] from 1982) was loaded with LOAD "" CODE, which in one single block first loaded the loading…
... with LOAD "" CODE, which in one single block first loaded the loading screen ... , then rest of the game code which then ... to the game loading both screen and code together), but where/how ...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…
... time.
The only machine code I'd previously done in ... to the basics of Z80 machine code.
I wrote a ... learning the basics of Z80 machine code, seems like loads of registers ... allowed me to play around with the above routines, as a ...
