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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 ... -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... up the system, is 8 vertical bars, with some flickering blocks ... , I even het 8 perfect vertical bars without distortion. The 8 ... -
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 ... -
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 ... -
Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…
... with the bulk of the code from AGD. It's better ... using the (now stable) AGD code, more sprites are supported, flicker ... have written some code for basic horizontal and vertical patrols, plus another ... -
Konami CodeDo you peeps know about the Konami Code? This code has been commonly used in Konami games to activate cheats and Easter eggs. [img]http://upload.wik…
... peeps know about the Konami Code? This code has been commonly used ... -
Machine Code for BeginnersHi folks. [sort of] newbie alert. Not new to Spectrum - been there since getting first rubber key 48k in 84 and a regular visitor to WoS for many y…
... /> However I never got Machine Code. And I really regret that ... belated) start at Z80 machine code?!?!?!?
Many thanks.
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…
... old method to save machine code to first REM line (I ... to enter the machine code routine to code or how to do ...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 slow ... and the exact lines of code will be Z80-compatible):
Your views on...Code-name MAT[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0001002]Code-name MAT[/url] Another game which I never got round to playing, but a couple of m…
Learning C for z88dkI've never gone much beyond basic, a little bit of z80 assembler, and some Delphi which I had lots of help with. I've forgotten 99% of what I learne…
... to make some kind of scroller work in a particular way ... of each section of the code is, but what is going ... another version using more complicated code, perhaps using sp1.
Code breaker by Paul DobieHaving a sort out over the rainy Bank Holiday and in the bottom of a box from the depths of a cupboard found an old C15 tape. On it is 'Code Breaker…
... .
On it is 'Code Breaker' by Paul Dobie. It ...Code that doesn't autorun.I've just been trawling through a load of old C15s and I came across some tapes which have no basic loaders, and don't autorun when loaded. They just…
Beach Head code + gfxAbout a year ago I started to do a remake of Beach Head and got close to finishing it before losing interest. It is practically all done but the last…
... me know. Some of the code may need a bit of ...Who can fix my Flash programmer code?I have a problem with some code, it doesn't work and I don't have any idea what it's trying to do, or failing to do! The code in question is the fla…
... have a problem with some code, it doesn't work and ... to do!
The code in question is the flash ... is going on in the code. The bug seems to be ...Full ASM code or a mixed solution ?Ok another important question. Building a program in asm, is it interesting that all the program is done in asm or always is interesting for some r…
... be used into our asm code.
or
define the ... gdu into the asm code and only have the C ...Obfuscated code ideaThe instructions [b]SUB A[/b] and [b]XOR A[/b] both have the effect of setting the accumulator to zero. The only difference between them is that [b]…
... useful just before something like[code]LD B, A
... DAA[/code]although [b]ADD A,0 ... about it.
[code]SUB A
PUSH AF ... /> POP BC[/code] sets BC = 2, while [code]XOR A
PUSH AF
POP BC[/code] sets BC = 0. Perhaps this ...Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
... instructions expect 8768 bytes of CODE - there are 9594.
+ The ... some sort rather than machine code. So my question is: How ... address to start the machine code?LDAP authentication code in .NETHello, A request for for any software developers out there. Any of you familar with performing username/password authentication with an LDAP server…
... .
Any .NET sample code you can throw my way ...Vampire by Code MastersHi, I was searching through my old Spectrum collection this weekend and found a budget game called Vampire by Code Masters. However, I could not fin…
Hi,
I was searching through my old Spectrum collection this weekend and found
a budget game called Vampire by Code Masters. However, I could not find any
reference to this game in your archive. Is this game MIA perhaps ?Embedding external code in Z88DK projects (Beepola related)Hi all, I've been doing a few things in Z88DK, but I was wondering how I could link binary data compiled separately into my projects. Specifically I…
... which has this:
[CODE] #asm
; Music generated by ... 59500
di
#endasm[/CODE]
I'm ... from Beepola to my ZCC code at compile time and be ...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 …
... ...
9160 REM ** INSTALL MACHINE CODE
This is done as ... )-machine_code_length:
LOAD "filename" CODE mcpos,machine_code_length:
PRINT "machine ... STOP
9999 REM *** MACHINE CODE STARTS
AFTER THIS LINE ...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…
... started to learn Z80 machine code - 25 years too late! :smile ...Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... screen.
[CODE]1005 REM Attribute Block Routine ... br /> RETURN [/CODE]
This code works perfectly and ... .
[CODE]MCODE Version
Parameters:< ... C9 RET ;RETURN to BASIC[/CODE]
When ...Automatic opcode to machine codeHi everyone, Would people use a program that you enter opcodes and it automatically converts them to machine code and saves them to a file. So if yo…
... automatically converts them to machine code and saves them to a ... thinking of making a machine code program to help me make ...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
thanksFour machine code books for sale (will ship worldwide)I have 4 books for sale: 1. Spectrum Machine Language for the Absolute Beginner (Good condition) 2. Supercharge your Spectrum (Good condition) 3. …
... )
3. Mastering Machine Code on your Z.X. Spectrum ...
