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Are any Spectrum books really this valuable?I recently noticed a copy of Machine Code Applications for the ZX Spectrum on eBay at a "buy it now" price of ?77 - that's seventy-seven quid - and n…
... noticed a copy of Machine Code Applications for the ZX Spectrum ... Disassembly, some type-in collections, and Spectrum+2 Machine Code for the Absolute ... patience is generally rewarded, in that if a book appears ... is likely to come along in the next few weeks ... -
Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…
... run on a genuine machine - not an emulator ... me step through the code at execution? Are ... me write the code in my own code editor on the ... best way of approaching machine code development these days? ( ... , working out the hex code for the machine! :-P).
< ... -
What book are you reading?I'm currently reading Sun Tzus The Art of War. Soon I shall be unstoppable in Laser Squad! I've also got a couple of Z80 Machine Code books on the g…
I'm currently reading Sun Tzus The Art of War. Soon I shall be unstoppable in Laser Squad!
I've also got a couple of Z80 Machine Code books on the go. -
Anyone Recommend: Assembly Programming Book(s) for the Spectrum?Hello there my fellow WoS'ers =) I am looking for some ZX Spectrum Assembly programming books (as the title suggests) I have just finished going th…
... through two books (Basic Z80 Machine Code and Machine Code for Beginner's [Z80 ... =)
I am looking in particular for ones that go ... -
TouchmasterI have come across the "Spectrum Interface" by Touchmaster Limited which I presume from the reviews is the interface to connect up the Touchmaster gr…
... have various envelopes with listings in them, which I think are ... /> Envelopes are marked:
"MACHINE CODE LISTING IN DECIMAL"
"BASIC PROGRAM FOR ... 't find anything about microwriter in the archive -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... (i.e. interpret their contents in my program)? I should execute ... have some meaningless ASCII characters in them. No big surprise here ... should operate on assembly or machine code, right? Should I disassemble ... used nes and snes emulators in the past and they ... -
Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…
... ability to restore the attributes in some way - another USR function ... something that could be done in BASIC (i.e. a clever ... it require a couple of machine code routines?
Many thanks ... -
Drawing a "window"...Hi Folks, I want to display a blank window over an existing screen. It then draws a border around it but that is not the point of my question. Ini…
... a,7;" ":
NEXT a[/CODE]
This works ... performance using less memory? Without machine code! ;)
P.S. ... white and cyan lines. In this case I define an ... e. the above definition code is not in the main program). ... -
Can anyone see a way to speed up the following line of code?Hi Folks, Been looking at bottle necks in my code using BASin's Profiler and the following line (well the 2nd LET statement) is somewhat slow. [COD…
... looking at bottle necks in my code using BASin's Profiler and ... slow.
[CODE]100 LET h=INT (CODE z$(a,4 ... $(a,o)=CHR$ 10)+STR$ ((CODE z$(a,4)-h*16 ... )*65536+CODE z$(a,6)*256+CODE z$(a,5 ... )))[/CODE]
Does anyone ... -
Good LOGO program on Spectrum?Does anyone know a good LOGO program on the Spectrum? Ideally machine code, but a good BASIC version will do. I found a few using the search function…
... program on the Spectrum? Ideally machine code, but a good BASIC version ... that doesn't have LOGO in the title?
Thanks ... -
machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
...
cheers
[CODE]
5B00 LD SP,5BFF ...
5B3B NOP
[/CODE] -
z88dk hates me =(Hello there my fellow WoS'ers Under the power of darkness I was about to settle in and play with some SP1 sprite handling (as printf is simply NOT f…
... I could get started in some code - everything I attempted ... line.
[code]#include
#include
... rec_num ].lo_tcol = lo_tcol;
}[/code]
This compliles fine without ... installings z88dk, rebooted the machine and still no joy ... -
Books for learningI used to program on the spectrum in basic way back and love it but i want to go further with it so i wanted to know are there any good books i shoul…
... to program on the spectrum in basic way back and love ... i should get to learn machine code and such.
Also ... be using to do this in.
With any luck ... writing something for this amazing machine. -
Barleywood Z80 Simulator LicenceHi All, Does anybody know if it is still possible to get a Licence for this Simulator? The reason I ask is that I'm currently using it to develop a…
... it to develop a game in Z80 code and would like it ... 30 years since I programmed in Z80 :p ).
Ultimately ... is to develop a fully machine code version for the Spectrum (probably ... -
Books for BASICIs there any godo books out there to learn BASIC ? I want to go from begininer to advanced really even though back in the day I used to write games …
... advanced really even though back in the day I used to ... have 2 good books for machine code which I am going through ... -
New ZX-ULA2An upgraded / replacement ULA for the Sinclair ZX81 is now available. The ZX-ULA2 is a direct replacement for the standard ULA used in the Sinclair …
... the standard ULA used in the Sinclair ZX81 home ...
Features include: -
? Built in composite video circuit, complete with ... - this allows machine code routines to run in the 32K-48K ... ? Turbo function, which enables the machine to operate at 6.5Mhz ... -
Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…
... variables can themselves be defined in variables (or expressions which ... which aren't in an array, like this:
[code]
... arguments from being evaluated in advance by the BASIC ... values to BASIC variables from machine code. Just put the value ... -
Machine code...or whatever it's calledTwo questions 1) can anyone recommend a good (and ideally, simpleish) book/resource which would be a good starting point on trying to learn this stu…
Two questions
1) can anyone recommend a good (and ideally, simpleish) book/resource which would be a good starting point on trying to learn this stuff
2) what's a good system to use to build stuff in? -
David M WebbDavid M Webb wrote his books on Spectrum machine code, Starion (and an early disassembly of the ZX Spectrum ROM) while he was at school. He invested…
... wrote his books on Spectrum machine code, Starion (and an early disassembly ... />
He is the one in the middle. -
BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…
... from "more on storing mazes" in a screen designer - "[url=http ... & ASM program listings. The machine code routines & workspace are located ... program. BOB includes code which can be used in the game to ... to read the print controls in the DATA lines.)
... -
Books for saleI've got some spectrum/related books available if you are interested in a title let me know and I'll describe the condition in more detail, and we ca…
... if you are interested in a title let me ... I'll describe the condition in more detail, and we ...
Poor condition:
Machine Code Reference Guide Microdrive-Interface 1 ... .clive.nl/english-uk/machine-code-reference-guide-microdrive-interface- ... -
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... would probably never go back in place correctly.
in tape speed (probably the ... but I eventually managed. In the following discussion, I use ... you want to tweak the machine code.
Then connect ... -
How to join PC to ZX Spectrum via IF1?[LIST] [LIST] [/LIST][/LIST]Hello All, I've failed miserably :-? at getting even a hint that the Spectrum and PC I have connected together are indee…
... the instructions from Chapter 8 in the Interface 1 manual and ... /> [*]Use the PC to send code (machine code) to run it on the ... -
University ChallengeNearly two weeks ago Manchester University won the first University Challenge semi-final to get into the upcoming final against Pembroke College, Cam…
... I have spent more time in Spectrum BASIC than with algebra ... /> and having used binary in BASIC and machine code, the answer leaps out ... three.
Manchester are back in two days and if they ... -Chat then they may be in trouble. -
2 new games - Brian Vs the Bullies & BlitzIn case you've missed it in this thread ([url]http://www.worldofspectrum.org/forums/showthread.php?t=38962[/url]) I've uploaded 2 games to celebrate …
... 've missed it in this thread ([url]http ... games to celebrate our beloved machine's birthday. They are ... that my dad wrote in BASIC back in the late 80s/ ... the buildings (just like in the VIC-20 original), ... as I compiled it into machine code using HiSoft BASIC I ... -
Screen2StringFurther to writing that BASIC one-liner to redirect CAT to a string I thought that I'd do a general redirection routine for anything which normally p…
... bytes of machine code to streamline it. The comments in the listing ... string definition, pointer & machine code), but can be placed anywhere ... definition
8 DATA CODE "S",CODE "$",14,0,FN g ... h(sa):
REM machine code
REM ld hl,( ... -
What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …
... games had something planned but in the end had it ... forum members say that in some cases machine code routines can run faster ... t enough memory to hold code to handle such sprites? When ... been more affordable and available in various Spectrum models. Since we ... -
Dimming the screen...Hi Folks, I was hoping someone on here could help me with a wee machine code routine. I have written the following example in BASIC: [CODE]100 REM…
... machine code routine. I have written the following example in BASIC:
[CODE ... a
150 REM SLOW[/CODE]
When run lines ... in BASIC this is rather sloooooow! :smile:
My machine code skills ... -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... to machine reverse engineer it resulting in different, but functionally equivalent code for ... the LDIR block data copy machine code command), ON ERROR (error trapping ... your own code (not a lot on a 48K machine, but quite ... -
Sound designer wantedAs you may or may not be aware, in a complete IP violation, and written up as a HOW-TO tutorial, I'm writing a pac-man clone. But I'm crap with soun…
... may not be aware, in a complete IP violation, ... game)
death sound (in stages, so animation can occur ... br />
This is in ZX Basic, so can be ... think microfine bursts)
A machine code routine
I could include ... wav or a program in a tzx so we ...
