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Writing faster BASICIn terms of structuring BASIC programs, what are the best ways allocate variables, functions, arrays? Any tips. I remember INPUT mag had some suggest…
... as integers etc (with DIM variable as type) or it will ... custom named functions and inline assembly if you like.
assembly - you wrap it in a ... having to hassle with writing assembly for the setup at the ... -
DIM DATA and the likeSo...I'm trying to work out arrays in BASIC a bit more and have knocked up the following quick test bed to fiddle about with before trying anything m…
... you really want to learn assembly...! If you learn something else ... /> Try out a bit of assembly:
[IMG]http://i1016 ... />
I'm getting a variable not found error when trying ... -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... and my code (both the assembly code in the microcontroller and ... always streamed into a special variable so that other objects can ... -
conditional assembly in pasmoHi, I'm having some trouble figuring out how to use conditional assembly in pasmo. I want to write some code that targets a number of different platf…
... out how to use conditional assembly in pasmo. I want to ... to do is have a variable such as MODEL then you ... -
automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... address & value for each variable location it just holds the ... (once) the +/- displacement between the assembly and run-time locations, and ... -
CMWC random number generator for Z80Seeing the interest regarding the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=23070"]Xor-Shift random number generator for Z80[/URL]…
... ]
Functions are basically assembly code, but the methods are ... .
UpdatSeed() uses the frames variable to change the random seed ... values from data of fixed variable width without biasing the cast ... -
assembler for PcHi guys, I'm in the process of teaching myself machine code, and wondered if there is a good pc program for writing code. Or is the best thing to use…
... directory to the PATH system variable.
* This step ... to the end of the "Variable Value", it should be seperated ... TO THE END of the Variable Value text.
[ ... , for example: "D:\Spectrum Projects\Assembly\"
The routine copies ... -
A vehicle for wireframe engineHi, I'm playing with wireframe graphics right now. I'm open for ideas for (simple) game that would use wireframe engine. So if you have an idea, plea…
... cell, and one building (of variable dimensions) at each junction. Then ... cells.
And in assembly, maybe allow it to render ... did wonder about writing (in assembly) some optimised line routines, then ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
...
1 errors occurred during assembly
Key to filenames:
variable.
I updated the ... -
Hungarian notation for asm - Yes or No ?There is thing called hungarian notation - https://en.wikipedia.org/wiki/Hungarian_notation Basically it is all about using prefixed indetifier to i…
... me when choosing label/variable names. In assembly I tend to use ... -
Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... /> What you can do in assembly that you can't do ... return addresses and temporary local variable heaps to back out of ... -
ZX81 Character SetHello, hope I don't offend anyone with my request. I've put together a program on my Amstrad that redefines a condensed text and displays it appropri…
... the data into a string variable, this is slightly more flexible ... the program and again in variable memory.
[3] Create ... have to use machine code/assembly language if you want proportional ... -
Variable sized tiles /tile routineHow would you do a variable sized tile routine where the tiles have position variables too? Thanks would be interested to learn :)
... the screen, drawing tiles of variable size shouldn't be hard ... , then translating the steps into assembly language; so you should be ... which is hard to follow (assembly code usually is, people use ... -
Variable sized tiles /tile routineHow would you do a variable sized tile routine where the tiles have position variables too? Thanks would be interested to learn :)
... the screen, drawing tiles of variable size shouldn't be hard ... , then translating the steps into assembly language; so you should be ... which is hard to follow (assembly code usually is, people use ... -
Variable sized tiles /tile routineHow would you do a variable sized tile routine where the tiles have position variables too? Thanks would be interested to learn :)
... that when starting out coding assembly, make no effort to optimize ... , update, store" pattern for your variable usage and leave the more ... -
TommyGun updatehttps://drive.google.com/file/d/0BwXFKYO5i1IlN2U4MUtrRVZZWUE/view?usp=sharing Hi, I have updated my TommyGun application and since we can't uplo…
... variable typing). The compiler is fast and generates very good code. Assembly ... -
z88dk v1.99A Release Candidate[b]Z88DK VERSION 1.99A RELEASE CANDIDATE[/b] Download from: http://nightly.z88dk.org/Releases/ The release candidate will be available for te…
... " / "#pragma endasm"
Inlined assembly can be dangerous with sdcc ... />
extern uint *RAMTOP; // System variable RAMTOP
#asm
._RAMTOP ... -
Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... little about writing machine code/assembly but willing to learn it ... can't use just any variable in machine code. There are ... -
The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
... . It would then show assembly (showing ROM assembly).
Now the ... refresh the source code and assembly on the screen to match ... to see value of some variable (i.e. a watch) the ... -
Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…
... the same rules. Any global variable or function is declared PUBLIC ... in other asm files, any variable or function declared extern is ... these functions are written in assembly language. We're telling the ... -
Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…
... /> * The program stops with 2 Variable not found (I've filled ... 's the end of the assembly, I think it was supposed ... well just say STOP. 2 Variable not found, 0 OK, 9 ... -
Interupt service routinehas anyone set up a interupt service routing with pasmo? this one I tried resets the speccy EDIt- I placed the code after the END directive, I fi…
... so you increment FRAMES System Variable and read the keyboard (no ... not support $ as the current assembly address.
Regards,
endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... which side of the equation/variable it is?
char * ... , vs no quotes, environment variable is set/isn't set ... hax kick pls' techniques (inline assembly, global variables...) anyway in ... conflict maybe. :-?
Assembly has none of this ambiguity ...endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... which side of the equation/variable it is?
variable holds) is just one ... hax kick pls' techniques (inline assembly, global variables...) anyway in ... among them: each global variable takes up permanent memory space ...z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... the notes that if the variable is not declared in basic ... parsing a disk catalog from assembly language somewhere. The +3e is ... accessing the disk catalog from assembly language (or C but it ...Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…
... to return from subroutines in assembly with a return value. Ie ... machine code (or assembly, for that matter), a variable is a rather ... you would use labels in assembly to refer to particular memory ...Speed comparison of BASIC CommandsHi everyone, I reactivated my account (thanks Lee!) due to starting to code some BASIC with my daughter. In the tips and tricks thread there is a …
... way of specifying that a variable will always be an integer ... at alternatives like C or Assembly will be a far better ...Speed comparison of BASIC CommandsHi everyone, I reactivated my account (thanks Lee!) due to starting to code some BASIC with my daughter. In the tips and tricks thread there is a …
... at alternatives like C or Assembly will be a far better ...
