-
MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... to the MOVE_M code.
[code]
10 ... /> 9999 RETURN
[/code]
[code]
; MOVE_M moving ... ; CHR$ = graphic's character code
; 0:1 = direction ... Zero flag
;indicate which keys are being pressed.
[/code ... -
LZ4 decoderI encountered the [URL="http://code.google.com/p/lz4/"]LZ4 compressor[/URL] a few weeks ago. Reading the [URL="http://fastcompression.blogspot.co.uk…
... implement.
[code] ;; decoder for LZ4 compressed data ... LDIR. Leaves
;; zero in BC. Does not use ... read from the source, or zero
;; if none. ... out ; return if accumulator empty -- zero offset
;; ... -
SkoolKit 3.6SkoolKit 3.6 has been released. In case you are unaware, SkoolKit is a set of command line utilities (written in Python) for disassembling Spectrum …
... a reasonable job of distinguishing code from data by means ... of the default static code analysis algorithm
[*]do ... much better job of distinguishing code from data by using ... produced by Fuse, SpecEmu, Spud, Zero or Z80
[*]automatically label ... -
Trying to use ZX Screen Snapper with Zero V0.5Great, another speccy problem... I'm using the Zero emulator and I'm using ZX Screen Sapper to take screen shots. Well, I would be using it, but Zero…
... ...
I'm using the Zero emulator and I'm using ... would be using it, but Zero Isn't on the Emulator ... Snapper, even though it says Zero is a supported emulator.
FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…
... [/URL]. The library contains source code, compiled libraries (for v1.10 ... (char *s);[/B]
Output zero terminated string.
[B ... and AT sequences count as zero length.
[B]uint ... and AT sequences count as zero length.
[B] ...Downloading code to physical hardwareHi folks, Back in the day, my devkit was a TRS-80 and I had a simple connector device from the TRS-80 parallel (printer) port to the expansion bus o…
... ways to get PC developed code over to a physical Spectrum ...Self modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops, I ran out of memory, so I was thinking would it be possible to use sel…
... possible to use self-modifying code so that say 20 FOR ... NEXT loops use the same code?
or 20 array look ... ups can use the same code?
When using C ... write out all the machine code necessary to do loops and ...Assembly code auto optimiserFor my Finders Keepers Plus project I'm considering writing an Assembly code auto optimiser. Way back when I wrote the original FK I considered optim…
... like this
[code]
call SomeSub
... ret
[/code]
could be ... br />
[code]
jp SomeSub
[/code]
... br />
Example
[code]
; My source
;< ...Seeing the code/In emulatorHello, Here is my Noob question. Is it possible to see the code for these games in an emulator? To be able to study the code? I am using the Sp…
Hello,
Here is my Noob question. Is it possible to see the code for these games in an emulator?
To be able to study the code?
I am using the Spectaculator emulator on a PC.
Thanks,
MGet rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…
How do you hide the 'Bytes:' when loading code?
I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appears at 3,0 and disrupts my screen!Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…
... am looking to write some code that will check if a ... have concocted the following sudo code to achieve this outcome:[/FONT ... , has anyone got some Z80 code that already does this? I ...Code analysis on SNA filesI was wondering if anybody has attempted to convert all TZX/TAP files into SNA files? I would prefer SNA files as they're easy to use and search from…
... /> Basically the first bit of code analysis I've been doing ...About how z88dk generates code and makes room for variables.When you attempt to code games for the 128K models using z88dk in C you need to somewhat control where variables are stored in memory. I thought tha…
... ;
unsigned char *script;[/code]
If ... for example:
[code] script_result = 6;
script_something_done = ... = 8;
script = 9;[/code]
I can see ... looking at the generated code:
[code]ld A, $ ...Autorun code in an emulator?[FONT=Calibri][SIZE=3]I am using Tommygun and pasmo to develop my game. This works fine but each time the emulator is started and file loaded I then …
... type a line of code to execute my code. Is it possible ... it will auto run my code?[/SIZE][/FONT]Help a small machine code game.Hello all you clever wossers are there any GOOD?? games that are in machine code (no basic apart from the loader,rnd usr bit) but are very small ma…
... ?? games that are in machine code (no basic apart from the ...Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... />
; eliminate leading zero bits
loop_00:< ... />
; eliminate leading zero bits
loop_00:< ... cycles slower in the zero-bit elimination loop and ... 32-bit result.
[code]
l_mulu_32_16x16:
...ZX Spectrum code examplesThe shortage of sites with decent code examples seems to be few. The links to alot of sites that used to host them are disappearing into the ether. …
... shortage of sites with decent code examples seems to be few ... .
How about place code examples in this thread or ... special area for zx spectrum code.
There is a ...z80 less than and greater thanI am writing a keyboard routine where the pressed key code number is held in A. I only want to action the number key presses 1 to 9 (codes 49-57) so …
... where the pressed key code number is held in ... ,49
The zero flag is set if the ... A
Neither the zero flag or carry flag is ... on the condition that the Zero flag and carry flag ... /> key_checking ; each number key code is then compared here next ...What's wrong with this code?[code]10 LET X=1+INT (RND*99999999): LET Y=1+INT (RND*99999999) 20 INK 4 30 PAPER 0 40 PRINT "Quest for ye flask!" 50 PRINT "?2014 Yoshiatom" 60 PRIN…
[code]10 LET X=1+INT ( ... 0: CLEAR : GO TO 100[/code]
For some reson the ...Loading AGD games into AGD to check codeHey there Not sure if this is quite the place to put this but it covers both Jonathan's AGD and Spin and is a question about developing my AGD game.…
... look at other AGD game code to get [strike]steal some ... my games and view the code to see how things work ... .5) to view the game code?
Any help gratefully ...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…
... , 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 ... "easy" guide called Mastering Machine Code on your ZX Spectrum. Needless ...RLD - zero-flag resultI have very rarely found need to use the RLD instruction, well, actually just this once, but everything I can find on it says that the zero-flag is s…
... on it says that the zero-flag is set "to reflect ... be whether the accumulator is zero or not after the action ...Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…
... him to get into machine code. I've been reading ... to try out the m code type routines for music ... purposes of getting into m code (bearing in mind I' ... a book/tutorial on m code specifically for +2a +3?? ... plod on hoping all that code will actually work??
...BASin won't accept this code?Taken from the Oneliner contest 2007: [CODE]1 LET n=191: DIM i$(4,9): FOR g=2 TO 4: LET i$(g-1)=" # # # # ": NEXT g: LET b=0: LET p=16: LET a=p: LET …
... the Oneliner contest 2007:
[CODE]1 LET n=191: DIM ...Python script to scrape Amazon.com book reviewsI've been meaning to read the Gollancz Fantasy Masterworks (roughly 40 books) and Sci-Fi Masterworks (roughly 100+ books) lists for a while now, but …
... amazon.
[CODE]
# Scrape amazon book ... rating is prefixed by the code:
#
sentinel_string = ''
main()
[/CODE]
I put the ... Carroll (256)
Tau Zero Poul Anderson (253)
...Game code view DebuggerHi Is opening up a game such a manic miner in a debugger such as spin going to give me a true view of the code used in developing the game? Cheers
Hi
Is opening up a game such a manic miner in a debugger such as spin going to give me a true view of the code used in developing the game?
CheersSorting BusinessThis is a little bit different from the usual game-related fare but I know there are a few people here who like this sort of thing. This is about so…
... array for sorting.
[code]
// All tests run with ... HOLD 5000 NUMBERS BUT INITIALLT ZERO SIZE
wa_priority_queue_init(& ... />
return 0;
}
[/code]
The results ...Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…
... .[/url]
[CODE]
; Biturbo 1 loading ... Sync 2 pulse: 714
; Zero pulse : 486
; One pulse ...
RET
[/CODE]
[CODE]
; Biturbo 2 loading ... Sync 2 pulse: 714
; Zero pulse : 486
; One pulse ...Fairlight on ZEROI have the ZERO Spectrum Emulator which I I like very much and does everything I need of it, almost. I have both the 48K and 128K versions of Fairli…
I have the ZERO Spectrum Emulator which I I ... this a problem unique to ZERO or is this a common ...
