-
Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…
... remembered my Speccy, and how machine code had always beaten me. Now ... a 3.5 mm mic input). I saved it and played ... -
How did you learn to code on the Spectrum?Got to be honest, as much as I wish I did, I don't know anything about programming. I had a Spectrum (+2 and then +2B) when I was a kid, and my prog…
... ended, I started reading about machine code (in fact one of my ... seeing you all exchange assembly code and wondering how the & ... these guides on how to code, but I can't for ... an "easy" guide called Mastering Machine Code on your ZX Spectrum. Needless ... -
Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... which plays beeps using a machine code routine which steps through $4000 ... of a 74LS00 quad 2-input NAND gate chip; however it ... EXROM chip in the standard machine is only 8K long and ... -
Comparison of RS232 port on Interface 1 with that on Spectrum +3/+2AHi everyone, I'm writing a tool (in machine code) to transfer data (for example, an emulator snapshot) between a PC and a real ZX Spectrum, over t…
... 'm writing a tool (in machine code) to transfer data (for example ... difference being that the +3 code accesses the serial port via ... controller, wheras the Interface 1 code uses the ports on whatever ... cope with 19,200 bps input?
Thanks in advance ... -
Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…
... why the following piece of code wont display a little smiley ... face
[code]ld hl,udg
ld ... ,126,126,66,60,24[/code]
I'm using ... -
how to load machine codeI'm reading Jon Caldwell's how to write Spectrum games but can't enter the code! Here's an example:_ LD BC, (score) Call 6683 I tried putting…
... but can't enter the code! Here's an example:_ ... -
The Complete Machine Code Tutor - bug?Dear all, I'm having a fiddle with The Complete Machine Tutor and have come to the bit where they're adding registers together. The image on the l…
... a fiddle with The Complete Machine Tutor and have come to ... -
The trouble with good code isLots of times I've come here to ask for help and always got it pretty promptly. Which is wonderful and one of the reasons why I don't think there's a…
... trying to learn hex and machine code until I have a thorough ... -
Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …
... 's assembler:
[code]
ORG 62000
[/code]
The above ... it via:
[code]100 CLEAR 61999
110 ... /> 120 LET A=USR 62000[/code]
The Spectrum crashes ... -
Amiga chit chat (sorry but it never really was a commode designed machine)I wish there was a forum like this for the Amiga, perhaps there is but I tried a few and they mostly seem pretty moribund and lots of the links at Am…
... /> Since I'll never master machine code - maximum kudos to those of ... -
How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... we can include machine code and assembly code in an easy ... up the stack and input and output parameters for ... we don't have any input or output), so we ... indicates that we have no input parameters, we will soon ... loaded. It has no input parameters because of the ... -
Prefered Tools for Developing Maching Code in 2021I am considering this year to fulfill my goal of actually writing machine code programs for the ZX Spectrum. I am an accomplished object oriented cod…
... my goal of actually writing machine code programs for the ZX Spectrum ... -
Last Problem in Chapter 3 of Toni Baker's Mastering Machine Code on your ZX Spectrum.Chapter 3 of this great book is all about how to use the registers and covers the operations LD, ADD, ADC, SUB, SBC, INC, DEC, SCF and CCF. The la…
... would be appeciated.
[code]Op Hex Notes
LD ... C9 Return to basic
[/code] -
Text compression methodsI once typed in a Text compressor from INPUT magazine, it worked on a first and second most common following letters algorythm and reduced the binary…
... in a Text compressor from INPUT magazine, it worked on a ... bits. It was written in machine code of course. It worked pretty ... -
Interface for PC ZXSee last entry of former TOPIC. I'm working on the interface. Info about it on MISCELLANEOUS Author: Arjun (---.bng.vsnl.net.in) Date: 08-13-01 …
... very easy to access through machine code. On the PC side the ... output to the graphics card input. This is conceivably very simply ... of the soundcard to the input of the Spectrum and the ... -
ZX48k terminal...Hello everybody, I thought someone might help me. I connect my good old ZX48k to my PC via serial (IF1) link, and I was trying to write a little term…
... automatic listing.
The code of interface1 reads from the ... data after the the other machine was told to stop. ... be to write a machine code program to read the ... refer to the RS232 input hook code, it won't help ... need to SHADOW: the code for a Version 2 ROM ... -
Screen$ +3 disk to tape helpHi, I have several full screen pictures of my +3 disks (Screen$). How can I transfer these pictures onto tape without losing the last to lines beca…
... POKE 23737,17 : REM alter input address #10A8 to #111B (KEY ... /> The CLS command restores the input/output channels of the keyboard ... but wrote a short
machine code routine to save the complete ... -
Chuckie Egg and joypads on the SpectrumAn old favourite of mine is "Chuckie Egg", but it has no joystick option. I've got a dual port DK Troniks interface, the first port takes IN 31(Kemps…
... wish now that I knew machine code: I would use it for ... would obviously need to know machine code to adapt it for other ... make the Spectrum recognise the input from the second button on ... -
games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…
... "" or edit a loader to input poke cheats. learning another language ... pretty much on par with machine code, and also allows easier ways ... the average person nuts in machine code.
anyway i 'just ... -
Speccy 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…
... /> The dark art of speccy machine code is obscure and mysterious, thats ... the BC register pair. This code does the same thing:
input" directory contains code for scanning the keyboard ... -
Anyone knows something about Beyond Dreams?Anyone ever heard of Beyond Dreams?
... Spectrum could benefit from mouse input.
But:
1) we ... installed such devices would require machine code instructions and other routines that ... we had to include this code, then the program would exceed ... -
What was your favourite Speccy magazine?What was your favourite Speccy magazine and why? [ This Message was edited by: Swainy on 2003-08-21 12:37 ]
... to advanced in basic and Machine Code, awesome utilities on the covertapes ... dont think i ever saw Input or some of the other ... -
C, Z88DK and the Sprite Pack Library I wrote a short demo that shows a taste of what can be done from C on the Spectrum: [url="http://justme895.tripod.com/zqa/pacmen.zip"]http://justme…
... />
Sprite Pack is a machine code library for the Spectrum, TS2068 ... Memory Allocator.
+ Read Input from the keyboard, all sorts ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
Java method to mirror a byte (from SPECSAISIE 1.3 - class ByteSupport):
public static byte reverseByte (byte in) {
byte out= 0;
for (int i= 0; i < 8; i++) {
out|= in & 1;
in>>= 1;
if (i != 7) ... -
emuzwinyeah i ran my game and i can't get back to the programming screen bit! when i used to have a speccy i'd just bang the keyboard a few times and it'd …
... your game is using a INPUT$ statement on startup you could ... /> Alternately, if there is embedded machine code that takes over from BASIC ... -
42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... your program) to the machine code routine. The problem this ... is that the machine code routine accepts input via stream 15 ... channel in the machine code routine for this input, which is then ... to the Print Utilities machine code routine rather than straight to ... -
Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…
... ).
I even learned machine code, but didn't get very ... , so I had to manually input all the codes!
PokesDoes anyone know where I can find a list of Pokes for my Speccy games? I am trying to find some for On the Bench ! Thanks
... (the process where you input your name, choose your ... well be stored in the machine code section :(
... B=1 TO 22: INPUT T$(A,B): PRINT ... ,B): NEXT B: NEXT A[/code]
...although ... you went into the machine code and found a database ...Starting from scratchHello, I'd lack to have a crack at writing a Spectrum game. I have very limited programming experience from mucking around with javascript and VB an…
... absolute beginner; to advanced machine code programming. In particular, I ... complete set of the "Input" magazines that were ... games, graphics, utilities, machine code programming, etc. I found ... they were confident enough to code themselves.
...Interesting Custom LoadersHi everyone, I was just thinking about custom loaders on the spectrum and I thought I'd ask you all what you thought was the best one. I'd have to …
... a complete grasp of machine code and the operating system. ... My knowledge of machine code is about the same ... INPUT "Colours of loading signal? ",l1,l2
Followed by machine code ... would be inserted in the machine code where necessary.
