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Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…
... 'm starting to learn some assembly language. The best way to ... as I can. Sadly, my assembly skills are very, very basic ... -
List of POKEs and PEEKs/cool memory addressesI was wondering if there was a list of cool memory addresses to POKE and/or PEEK. For example, I know that PEEK 23674 tells you how long a Speccy has…
... for memory addresses instead of assembly routines? -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... BASIC, or called directly from Assembly routines.
The official [B ... -
High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... I started writing my own assembly routines only last year :>
Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... I appreciate your offer for assembly routines.
I suspect the ... library of revised routines in assembler.The BASIC routines can't be ... I could self teach myself assembly language on the Z80 but ...What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…
... ]
the ability to add assembly routines inline is very useful, as ... basic but simple at an assembly level. also it gives you ...splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…
... linker will allow missing library routines (actually the global variables ... which lists all the assembly routines that are compiled into the ... to look for the library routines "SPDirtyChars", etc, but ... things are data, not library routines.
The ...logical operators and the calculator stackI was wondering if there was a utility which would provide the list of commands needed for the ROM calculator to evaluate a logical expression. For e…
... .. Iv done a few minor assembly routines that make use of the ... this routine in my assembly library of routines for future use - could ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... produce programs mixing BASIC and Assembly since it achieved good ... for GUI design) using Assembly routines for the few cases where ... block selection also in Assembly since I don't ...
I uploaded today the Assembly source code (available from [URL ...Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…
BTW you can avoid this problem using any other statement such as [B]LET a=USR x[/B] instead of [B]RANDOMIZE USR x[/B] to invoke assembly routines.Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…
... USR x[/B] to invoke assembly routines.[/QUOTE]
Thanks Einar ...Random numbers...Hi Folks, I am not an expert when it comes to random numbers. If I have the RANDOMIZE statement the beginning of a program and then proceed to gene…
... USR x[/B] to invoke assembly routines.[/QUOTE]
Hi Einar ...Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... a combination of BASIC and Assembly routines.[/QUOTE]
That's ...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…
... writing subs and functions in assembly language - so rather than ... could try plugging in that assembly random number routine that ... still considering myself weak at assembly; but without messing with ... the wiki there with fast assembly routines like I am!
...z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…
... also have the feeling that assembly routines will be optimized too much ... use now are the input routines only anyway) to sdcc now ...In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... properly document how to invoke assembly routines, providing some kind of tutorial ... write a library and invoke assembly, I will gladly write myself ...Bug fixing woesGaahhhh! I've spent an afternoon off work agonizing over why my routine didn't work. It's something I'd already restarted so didn't want to wipe th…
... .
When thinking about routines for mirroring data I wrote ... boriel's basic, since the assembly routines could be used for other ... , the compiler itself has assembly stock routines for its functions in the ...ZXDev - powerful environment for development in four languages is ready for testingXDev/ZXDev is open and free set of compilers, additional tools, libraries and design patterns for target platform ZX Spectrum 48K in different progra…
... are traditional ways.
Assembly language is complex and not ... the program algorithms and the assembly routines. This method is known and ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... [/URL].
And the assembly routines to execute on the ZX ...Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…
... 48K ROM by default when assembly routines are invoked, this method should ...New game: Knights & DemonsHi everybody! Our new game is here. Knights & Demons is a puzzle game in which you have to turn all demons into knights before time is up. [IMG]htt…
... the source code for your Assembly routines?
[QUOTE=Baron Ashler ...New game: Knights & DemonsHi everybody! Our new game is here. Knights & Demons is a puzzle game in which you have to turn all demons into knights before time is up. [IMG]htt…
... haven't got the assembly code because assembly routines were created using tools ...Compiler conventions for passing args/return valuesI've been mulling over this for a while, but I can't spot it covered anywhere. There are various methods for passing args and return values between …
... is very common. All library routines are written to be called ... communicate more information to the assembly programmer.
As an ... use this or fastcall for assembly routines called from C):
push ...Deterministic random number generatorI'm looking for a random number generator in assembly which, given a seed, the generated sequence is always the same. You change the seed, you get a …
@Timmy: I never use built-in functions as they tend to have dependencies and add excesive overhead. I'd rather use short, inline assembly routines :)
@R-Tape: Thanks, I'll check it out.how can we code zxspectrum-evolution stuff?hi! recently via [url]http://www.bitfellas.org/news.php?item.4555.7[/url] i got to know that there is an illustration contest for zxspectrum-evolutio…
i'm a bit stubborn in this! :D (i guess that the only way is to have small assembly routines called by randomize usr, for these situations)"Zombi Terror", new game from Kabuto FactoryHi everybody! After a few months of hard working, we are proud to present you our new production. "Zombi Terror" is our particular homage to these z…
... 's Sinclair BASIC, with simple Assembly routines for graphics. You can actually ...Hard Drivin' on the Speccy this needs to be fixed !I just tried Hard Drivin' on the Speccy it's a very impressive feat it's smooth and fast and in 3D nothing short of amazing actually. But it's almost…
... can barely write a few assembly routines without getting confused making mistakes ...Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…
... row for the speccy in assembly. One is to calculate the ... to use in their own routines.
