-
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... pure source version of it in asm so I can just use ... your help and sharing it in the first place :-)[/QUOTE]
in this thread[/URL], then I ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... 100k lines of asm source code in libraries and the ... demo can be written in asm too, although C is ... sp1/spectrum/sprites/sp1_MoveSprPix_callee.asm?revision=1.1& ... which falls into the asm entrypoint where registers ... on using these libraries in asm as I know it ... -
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…
... you never have to multiply or divide for anything, ... occasionally a fixed constant multiply to index tables or ... z80-derived chip with built in multiply/divide without expense. And ... to pay for fast integer multiply in specific circumstances. Floating point ... -
Questions about Vortex Tracker II exported songsHi, I have been experimenting with Vortex Tracker II lately and have a couple of questions. By exporting the song to TAP format, a file is generated…
In short, player do two things: ... sec, song is heard.
In basic you would do 1 ... : pause 1:goto 1
In asm, you can transcript it literaly ... -
AFX Sound Effects DatabaseGentlemen, I'm converting some games from ColecoVision to MSX (sorry, not 100% ZX Spectrum related, but...) and in some cases, I'll need to completel…
... . That would mean to create (in ASM) an emulator of the VDP ... -
Re: Trying to find a game.I am hoping someone can help me regarding a game I use to play on the Spectrum 48k back in the early 1990's. I have been searching for a year without…
... was sure I remembered them in a certain way, but when ... information that could aid you in finding the game. Like, publish ... , it was probably written in BASIC, not in ASM code. Did you try ... -
fixed point mathsI came across this site which is quite interesting [URL="http://z80-heaven.wikidot.com/advanced-math#toc18"]http://z80-heaven.wikidot.com/advanced-ma…
... 's a standard optimisation trick in many languages.[/QUOTE]
multiply in a single clock tick (and ... core multipliers will do it in 3 cycles without using an ... -
fixed point mathsI came across this site which is quite interesting [URL="http://z80-heaven.wikidot.com/advanced-math#toc18"]http://z80-heaven.wikidot.com/advanced-ma…
... multipliers which can do a multiply in a single clock tick (and ... core multipliers will do it in 3 cycles without using an ... -
ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... written by others in assembler, used by others in assembler?
... multicolour sprite engines written in assembler that can be ... engine is being provided, written in asm, (+ a framework) but running ... something Jonathan had in mind implementing in the 80s and ... -
Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... several C++ STL containers implemented in asm in z88dk that are mainly untested ... /_DEVELOPMENT/adt/p_list/z80/asm_p_list_init.asm?revision=1.4&view ... /_DEVELOPMENT/adt/p_list/z80/asm_p_list_push_back.asm?revision=1.4&view ... -
Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
Always use a power of 2 buffer size if you implement circular buffer (in asm/c anyway) since you can uselogical and to do modulo arithmetic mod a power of 2. -
Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... if you implement circular buffer (in asm/c anyway) since you can ... -
best software?Hi all when I was 6 in 1986 I could not code so I created about 40 A4 levels and used to move another sheet of paper over it to similate a game and a…
... the rest of the game in asm or C. Boriel's basic ... -
Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?
... can do the same thing in only 2 lines" :)
in asm anyway. -
New Game: Escape from Colony 8[I]I can't really tell what happened, when they first attacked our base or where they came from, but Colony 8 is lost. My only chance is to get to ha…
... procedurally could have been useful in this game to save memory ... to 10 sprites comfortably, even in 48K; I could have used ... I could only fit 16 in. Also one type of enemy ... too complicated to rewrite it in ASM, etc.
Well, I ... -
AVR ZX Spectrum V2_0Good time! Glad to present my new development - AVR ZX Spectrum V2_0. Sorry, have no english version of this video. [url]http://www.youtube.com/watch…
... /> I would guess custom written in asm. The AVR is a pretty ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... , I don't mean export .asm
If I got ... wrote binary is same like ASM. Hmm.
To see whether ... have 30 files (screen$) in ASM format or in SCR format?
in AVI or something like that ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... wrote binary is same like ASM. Hmm.
To see whether ... have 30 files (screen$) in ASM format or in SCR format?
in AVI or something like that ... .
If I export .asm the better way is to ... -
ZX-Paintbrush 2.6 publishedDear readers, today I released a new version 2.6 of ZX-Paintbrush. Before I will go into the details of all changes I made, first let me say thanks …
[QUOTE=g0blinish;808397]here is .asm file, generated by program. Why ... a dialog box asking for "ASM file settings". Inside this dialog ... directly as BIN instead of ASM".
Normally user ... />
[CODE]for /r %%f in (*.asm) do pasmo --bin "%%f" "%%f ... -
ZX-Paintbrush 2.6 publishedDear readers, today I released a new version 2.6 of ZX-Paintbrush. Before I will go into the details of all changes I made, first let me say thanks …
... directly as BIN instead of ASM".[/QUOTE]
no checkbox ... user would save it as ASM, then use an assembler to ... feature. If someone has many ASM files to assemble, it's ... />
[CODE]for /r %%f in (*.asm) do pasmo --bin "%%f" "%%f ... -
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,…
... -startup=31 sp1_ex1.c gr_window.asm -o sp1_ex1 8639 bytes
in ASM at End of File
}
[/code]
gr_window.asm:
[code]
SECTION user_data ... -
Developing in CI am beginning a small project for the ZX Spectrum. I intend to write the thing in C, doing the entire development on PC and then transferring someho…
... equivalent to assembly language IN and OUT?[/QUOTE]
in asm you can:
1. Use inline asm to do the i/o ... br /> {
...
#asm
ld bc,$xxxx ... a macro that inlines asm i/o instructions but ... -
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,…
... />
will get you the asm file.
... prototypes as used for your asm functions drawchar, colour, paper ... code (if written in asm) is written using an asm interface only. ... that gathers parameters includes the asm source. The C prologues ... -
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,…
... br />
In graphics.c you have "pop ... stack.
In graphics.h, everything that you ... which you've wrapped the asm in (eg "void paper(), ... code such that pure asm subroutines do not have ... If you write the function in asm without the C wrapper, ... -
Scrolling in BASICI remember a few BASIC typeins for other machines that claimed to be scrolling the screen. Obviously vertically its not too difficult - once you dis…
... 's tricky to do even in asm.. even c64 with hardware you ... statements on all machines.. loading ASM routinues into the computer via ... -
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…
I use it in modern languages like C# or ... and so on
In asm I don't use it ... -
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…
... has its uses, in Z80 ASM it would let you ... more detailed variable descriptions in the name, but that ... used in languages which aren't compiled directly to ASM.< ... br />
It matters far more when operating in ... 've never used it in ASM but I can see ... -
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…
... a lot of comments (especially in asm), even if you believe ... amount of comments I write in asm:
[code]ShiftSpriteA< ... /> ;shift sprite type A in buffer using shift table
I remember you Catmeows in your previous incarnation when you ... -
Development on AndroidMaybe I'm not the first asking this, but found nothing useful with forum search. Is there any way to compile Speccy asm to binary on Android, and …
... /> Indeed! Boriel Basic allows coding in asm.
It seems that ... are speccy utilities for DOS. In this case, you could try ...
