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How does the Z80 work internaly?How does the Z80 work internaly, i.e. how does it actually execute a machine code instruction? When it fetches a byte from the memory and finds, for…
... does it actually execute a machine code instruction?
When it ... -
Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…
... we tracked down the BASIC code but the results aren't ... reflect the speed of the machine running machine code but it would be ... -
DEF FN DirectivesI am looking at using some machine code functions from the DK Graphics Pack. They are machine code but they are called via Basic with the function de…
... am looking at using some machine code functions from the DK Graphics ... Pack. They are machine code but they are called via ... do I call these from machine code? Do the bytes following the ... -
How to add speech to a program?Is it possible to add speech to a machine code program? And with possible I mean with relative ease. Hardware could be 128k. Is there some utility …
Is it possible to add speech to a machine code program? And with possible I mean with relative ease. Hardware could be 128k.
Is there some utility around to record something and then be able to play it from inside a program? -
messianic lightAnybody read the bizarre posts by this guy on CSS? He's just bought a ZX81 machine code book on eBay and now wants to write a Java Runtime Environmen…
Anybody read the bizarre posts by this guy on CSS?
He's just bought a ZX81 machine code book on eBay and now wants to write a Java Runtime Environment on the ZX81 :-o -
Elite Commander Editors / CreatorsI've noticed 3 of these in the WOS database. One is MIA and the other two have bugs I've discovered and don't edit everything. So, I was going to ma…
... still can't understand much machine code.
Some of the ... out so far...
[code]0-9 - Commander name (followed ... /> All this loads into 53332 :)[/code]
The numbers indicate ... -
Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?
No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC? -
Changing BASIC loader in Chuckie Egg 2Hi, My aim is to include "PAUSE 0" event at the end of the loading of the Chuckie Egg 2 game. The reason is that I use emulator to load the game and…
... and disappears as the game code starts to run.
LOAD "" CODE
Then you get ... between the screen and game code. Everything is in one block ... />
1 CLEAR 65535: LOAD "CE2" CODE: LOAD "CE 2" SCREEN$
2 ... -
Ripping a fontIs it possible to rip a font from a machine code game using Spin?
Is it possible to rip a font from a machine code game using Spin? -
Important for Game/Demo DevelopersHello Spectrum-friends, I just finished our new Disc-Magazine SCENE+ with newest games, demos, graphics and sounds from the Spectrum Scene. However,…
... not write something like LOAD "" CODE. Write LOAD "name" CODE.
I ... to 24000 with a short code. However, if this extra work ... -
Looking for an extended BASIC graphics routine from mid- to late-80sHello all, This is my first post here so please go easy. This is basically a cut-and-paste job from comp.sys.sinclair where I've had no luck with an…
... BASIC extender program. Alas the machine code routines themselves are missing and ... />
(Note that the m/code routine I'm looking for ... -
A classic thread sub-forum?You know how some sites have a "classic" thread sub-forum? Where any notable threads are moved to, after a certain period of time when no-one has pos…
... />
Starting on machine code - BASIC first?:
[URL ... -
Games sale clean-out...Having a clean-out, and are selling the titles below... PM me if you're interested in any of them. Unsure of any particular prices - make me an off…
... /> White Lightening
ZX Spectrum Machine-code Assembler
Magazine ... -
Machines and game starter bundles for saleI am just in the process of compiling a new stock list for the Preservation team shop and I am going to add a lot of my spare hardware kit and some o…
... Pack" with a fully tested machine, power supply, cables, manuals, ... games and depending on the machine, a joystick interface, Blank ... to bundle them with a machine.
Again fully ...
Practical Spectrum Machine Code
Games to play on ... -
Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…
... can't read the Z80 machine code in backwards steps, as many ... -
Help using M3 ramFrom the Multiface 3 manual. [quote]6.0 The Use of Extra 8K RAM --------------------------- The MULTIFACE's 8K RAM extension can be accessed and us…
... , requires a good knowledge of machine code plus further
information on ... -
BEEP conundrumFor the "CSSCGC 2008 Tape Magazine" December edition, I have decided to use a BASIC sound routine I wrote last year which plays a festive tune using …
... be a case of a machine code replacement for BEEP, which also ... -
Looking for a type-in.I remember a type in program of a sliding block puzzle. It used code to shift the screen blocks. At the start of a game you could select how many m…
... sliding block puzzle. It used code to shift the screen blocks ... a mixture of basic and code. I've searched every task ... program myself using the various machine code window scroll routines scattered around ... -
12-pixel-wide font on 512x192 screenThanks to Geoff I have a working prototype for displaying this font in BASIC. Machine code to follow.
Thanks to Geoff I have a working prototype for displaying this font in BASIC. Machine code to follow. -
!!! Trdos Emulation On Zx !!![B]This is software emulator of TRDOS(betadisk). Yet is writed only for interface MB02+, but will ported to more other IDE interfaces with external r…
... : (boot on MB02+,load source code of emulator,load screen from TRD image ... ][/FONT][/B]
Original TRDOS code is same, only instructions OUT ... -
What's the best development environment?Dear all, In my teens, try as hard as I might, I could never get my head round machine code. Now fat and balding, I thought I'd have another bash; a…
... never get my head round machine code. Now fat and balding, I ... -
A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but . . . how do you create random stars? Some help would be greatly appreciated?
Andy -
Soon to come: Mine AlertOne of my projects for 2009 is already completed, i typed one of the missing games from Microhobby, Mine Alert. This is a long time favorite of mine …
... Mine Alert 2 game in machine code sometime in 2009/2010) and ... -
MIA: Sir GawainAs previously announced, here's the release of Sir Gawain, a Microhobby type-in program. Included in the archive is the .TZX with the generated bina…
... corrected some errors in the machine code listings which i originally (mis ... -
New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... carry the format over into machine code, to see what I can ... . Here is the program:
[code]1 DATA 243,33,9 ... the ZX Spin assembler source code:
[code]
;todo - ;
;
ei
ret
[/code]
As always, any suggestions ... -
PC based games editorsSo, how many people use these utils? Utils like JSWED, Bombjack editor, F1 editor, Commando editor and my own Bubble Bobble editor v3. The reason I…
... I'm no good with machine code either. I'm just pondering ... -
Keyboard Input$/scan problemHi, I'm finally fulfilling my promise to get a reasonable understanding of the Speccy and embarking upon attempting a few simple routines in Assembl…
... ' New Generation program "The Complete Machine Code Tutor" and the popular "Spectrum ... Machine Language For The Absolute Beginner". ... ?
The New Gen' Machine Code Tutor listing below is of ... -
Need a pointer to using the spectrum calculator from MCHi all, Can anyone point me to a good resource on using the spectrum calculator stack from machine code? I need to work out the number of seconds f…
... the spectrum calculator stack from machine code?
I need to ... like to use the ROM code because, as in the BASIC ... about with dividing in straight machine code! and 10pm + would be even ... -
Found a great ZX BASIC textbookProgramming Arcade Games for your Spectrum, by Adrian Jones. Found this in a second-hand bookstore over the weekend and if you're anything like me,…
... chapters on program design, code optimisation, animation, reading the ... Some of the games use machine code sequences - entered by cunning ... annotated list of the machine code as the Speccy will ... couple of little standalone machine code routines for scrolling and ...
