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Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
[QUOTE=Geoff;296743]As an example of fast circles on the ... 've also looked at the z88dk implementation, thought the same thing ... -
Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…
... are all machine code routines. z88dk is just a z80 environment ... USRed from basic or create z88dk packages for Residos that would ... programs.
As an example, Nathan made a simple graphics ... renderer a while back using z88dk's graphics routines that is ... -
Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…
... /> I know that the second example could sound better if the ... /> I'm pretty sure the z88dk is a very powerful tool ... -
I've been wondering...The Spectrum, CPC, and Apple II had no hardware sprites, so what were those 2D objects in their games?
... : It's impossible to write assembly language on a stock machine ... interpreter is not written in assembly. Well, large parts aren't ... of it's power. For example, the Extended Basic cartridge allows ... -
Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... a FOR-NEXT loop, for example:
[code]
... be like this, for example, if you need to ... other way . in this example by loading A with the ... the same time. For example, consider the idea where ... to the flags. When doing assembly language, you've got ... -
Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... ]I'm no expert in assembly but would it be possible ... the assigned variable in the example. You still have to use ... -
Clearing the Carry flagI'm reading that sometimes I may want to clear the carry before using ADC or SBC. A simple AND A or OR B will do. However, as I see it, for 8-bit ar…
... , in quite a lot of assembly language source you'll see ... to thinking in binary. For example, the newbie to asm, when ... -
Clearing the Carry flagI'm reading that sometimes I may want to clear the carry before using ADC or SBC. A simple AND A or OR B will do. However, as I see it, for 8-bit ar…
... being a premature optimization. For example, using AND A to test ... common that anyone who uses assembly with any frequency instantly recognises ... -
Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... at the output that the z88dk C compiler makes (or ... r, (IX+d). With z88dk's C compiler, all ... you had three parameters, for example:
void ... function - here's an example from the Spectranet C socket ... at first glance. For example, where you have to ... -
Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... , the FASTCALL convention for z88dk is for functions with a ... routine in assembly language to be called by a z88dk function, ... />
With the z88dk you tend to declare functions ... />
[url]http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/[/url] -
Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... passed in different ways, for example on Intel (and z80) parameters ... gander at information about SPARC assembly, and compiling this on a ... C, I get the following assembly generated by gcc:
Playing 128k music with z88dk ?Hi, I'm amazed how easy seems to make things with z88dk to build spectrum asm programs. After my first approach I miss some way to play 128k music, s…
Note that you can include assembly with C in z88dk quite easily - so ... difficult to integrate it. The z88dk provides support for IM2 etc ...[BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…
... to do with an empty assembly file (becoming empty due to ... and only line, per your example). I've not had any ...[BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…
... to do with an empty assembly file (becoming empty due to ... and only line, per your example). I've not had any ...Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
... , all in one instruction! For example:
[CODE]
loop ... /> That's the beauty of assembly language - there are often many ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... .
I'm struggling with z88dk+sprite pack v3.0 to ... that I've tried that example and it seems to have ...z88dk Help neededI'm starting my tests with z88dk from a very simple example from a tutorial in speccy.org. It works fine but when I make the smallest modification t…
... my tests with z88dk from a very simple example from a tutorial ... series of examples included with z88dk which you can browse online ... />
[url]http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ...Data bus at interrupt timeIt is "well known" that some peripherals can put values other than 0xff on the data bus at interrupt time, thus meaning that IM2 is slightly more fid…
Quoting the z88dk page at [URL="http://www. ... . The AMX mouse is an example of an interrupting peripheral that ...Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…
... to integrate it with the z88dk fcntl - which I think ... thing: I thought the z88dk already provided a way of ... example, to show video). I also recall something about the z88dk ... guys completely overhauling the z88dk fcntl such that ...Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…
... example, to show video). I also recall something about the z88dk ... guys completely overhauling the z88dk fcntl such ... problem with the existing z88dk stdio implementation is that ... , but the is just an example.
gasman's ...Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…
... I'd homed in on z88dk as the platform that would ... ) it, before discovering that the z88dk community was very much heading ... dealing with PC filesystems - for example, if you were writing a ... example.
(Happy to take this discussion back to the z88dk ...New to developmentHello there my fellow forum chummies, I have recently been bitten once again to go into software development, its been a while. I have a lot of ski…
... but, as kiwi mentions, z88dk is probably your best ... an example code directory here:
[url]http://z88dk.cvs ... .sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... ]
Finally, z88dk is not quite ANSI C ...Back to Skool disassemblyAs mentioned in [url="http://www.worldofspectrum.org/forums/showthread.php?t=22841"]this thread[/url], I've been working on a disassembly of Back to …
... /> Write a routine (in Z80 assembly language) that takes a byte ... . So 11001100 becomes 11110000, for example. And 01100010 becomes 00101100.
About divIDE firmwaresI was testing a original divIDE, and I've found that it seems that firmware development is non existant. - FATware doesn't support TZX, and doesn't …
... their efforts - for example, I know that the Z88dk team are actively ...z88dkHi there, are there any good online-ressorrces (PDF books, tutorials, keyword lists with descriptions, *.chm files etc.) to learn small C (z88dk). I …
... excellent [url="http://www.z88dk.org/wiki/doku.php"]wiki[/ ... ="http://www.z88dk.org/forum/forums.php"]forum[/url]. Example source code ... a CVS repository on the z88dk site so anyone can take ... have a look on the z88dk forums and you'll find ...WYZTracker playerWhere can I find a player and some info on how to compile the tunes I've made in WYZTracker program? I have .mus and .asm files from WYZ Tracker, ju…
...
This is an example used in I Need Speed ... /?sharekey=3b535dc7bd0d7ab21f8e0fff488e27e0e04e75f6e8ebb871[/url]
Assembly it with PASMO.
Feel ...Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... much it as far as assembly questions go for now, but ... maybe all!) of it using Z88dk.[/QUOTE]
If this ... writing your assembly stuff with z80asm (the assembler included with z88dk), for ...wavide: WAV player for DivIDEPrompted by an email from zxbruno yesterday, cobbled together much quicker than expected... [url]ftp://ftp.untergrund.net/users/gasman/zx/wavide/[/u…
... road trip between Evoke and Assembly this weekend and next, without ... disk forever.
The example HDF just contains the raw ...wavide: WAV player for DivIDEPrompted by an email from zxbruno yesterday, cobbled together much quicker than expected... [url]ftp://ftp.untergrund.net/users/gasman/zx/wavide/[/u…
... road trip between Evoke and Assembly this weekend and next, without ... disk forever.
The example HDF just contains the raw ...The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... 's new stdio model for z88dk can provide the bridge between ... goldfinch uses IX but in z88dk several targets cannot allow both ... the same time. As an example close to home, think the ... has been compiled successfully with z88dk but, as can be expected ...
