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Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... and local variables exclusively. Memory for local variables are allocated ... library requests some available memory (any memory address will do) to ... doku.php/library:memory_allocation#malloc_or_balloc_which_to_choose"]z88dk memory allocation wiki page[/URL]). ... -
Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... I'm used to memory management to be transparent to ... As I set up memory with all z88dk and sp1 default settings ... do to avoid or minimize memory conflicts like that?
... z88dk+sp1 project with optional future 128k music to maximize available memory ... -
z88dk + splib2: another question (sprite instancing)I'm making some tests with z88dk+splib2, with the idea of creating a game sometime in the future, and I have come across a problem. Let's suppose I …
... 'm making some tests with z88dk+splib2, with the idea of ... per sprite, a lot of memory if I want to have ... -
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…
... to other machines supported by z88dk. Write your game for the ... constraints like speed and available memory. This [URL="http://www. ...
It is integrated into z88dk which means you can call ... across all z80 platforms in z88dk.
- #defines for ... -
Possibly a little OT: Exporting ROM function addresses to the Z88DKOK, so I'm using the Z88DK. It's entirely possible that some documentation has bypassed me. But assume I have a function in ROM, say, at address 0xF0…
... so I'm using the Z88DK. It's entirely possible that ... calling convention used by the z88dk's compiler.
Is ... inefficient in both CPU cycles, memory, and my time (especially if ... into something understood by the z88dk compiler).
If there ... -
Static vs stacked local variables in z88dkHello everyone. I'm doing a program for Spectrum 48KB with z88dk v1.8 (XX Mar 2008), and I eventually discovered that if your local variables in fun…
... program for Spectrum 48KB with z88dk v1.8 (XX Mar 2008 ... bytes, which largely compensates the memory allocated by all static local ... -
Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …
... to post this on the Z88DK forum, but I know quite ... a few WoSSers have used Z88DK, so here goes:-
puts("Out of memory!");
//exit program
puts("Out of memory!");
//exit program
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…
... 2010/02/09/introduction-to-z88dk-part-1-installation-compilation/"] ... [/COLOR][/B]: A new z88dk/sp1 installation can be found ...
The advantage of using z88dk and sp1 is that you ... uchar backwalls[];
// Memory to define the background.
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…
... for the 128K models using z88dk in C you need to ... are stored in memory.
I thought that z88dk created space ...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,…
... test the new clib in z88dk. Much time has passed ... attached to the z88dk examples dir.
z88dk.org has gone ... IF1 cartridges) and target bankswitched memory systems (including the 128k spectrums ... on screen. Once the z88dk forums are up again I ...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…
... would be appreciated :)
z88dk has undergone some significant development ... /> * [z80asm] Sections introduced for creating memory maps and compiling for bankswitched ... using the classic library:
z88dk/examples
Example ...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…
... /> Some notes:
==========================
Z88DK - v1.99B 10 Jan 2017 ...
==========================
Z88dk is a development kit for ... temp:front
Examples in z88dk/libsrc/_DEVELOPMENT/EXAMPLES
z88dk : FIle Handling in C on the +3e environment under Win 764bitHello my fellow WoSers! I am wondering if someone can help me solve this little pickle of z88dk / Windows using +3e Filesystem. So a little inf…
... solve this little pickle of z88dk / Windows using +3e ... /> copy C:\PROGRA~2\z88dk\lib\spec_crt0.opt C:\Users ... DPLUS3 -IC:\PROGRA~2\z88dk\include test.c C:\Users ... -Mo -LC:\PROGRA~2\z88dk\lib\clibs -oa.bin - ... z88dk, yes I know could just lump the bin in the memory ...Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... is where the screen memory resides. The screen memory ends at 23296 ... is what on earth the memory before KSTATE and after the ... video memory is used for on a ...128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
... />
Port 32765 controls the memory paging. Bits 0-2 determine ...z88dk Spectrum Screen Driver problemHi guys, I've been messing around with z88dk a bit and was trying to output some stuff to the screen. Reading the docs, it says that I can use the Z…
... 've been messing around with z88dk a bit and was trying ...Debugging with z88dkAnyone got any tips of effective debugging of programs written with z88dk? I'm trying to port one of my old Gameboy projects to the Spectrum. The co…
... debugging of programs written with z88dk?
I'm trying ...ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual. The memory expansion is a 16k one. E-mail me at [email="patrick@wych01…
All are in original packaging and the lightpen has it's software and manual.
The memory expansion is a 16k one.
E-mail me at [email="patrick@wych01.freeserve.co.uk"]patrick@wych01.freeserve.co.uk[/email] if intrested..memory is filled up under Win XP when opening many filesDear friends, I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out (during a ti…
... in the virtual memory), so that the memory is filled up with ... the file stream, freeing the memory.
I wrote another testing ... the complete file content in memory.
The problem does ...My first attempt with z88dkI've just completed my first attempt at a Spectrum game with z88dk. Before you get too excited, it's pretty crap - it's a port of a game I wrote for …
... at a Spectrum game with z88dk. Before you get too excited ... what can be achieved with z88dk in a very small amount ... on a 'proper' game using z88dk and Sprite Pack. Expect it ...Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... /> If so, what are the memory areas available for 16k and ...Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…
... why the Spectrum's video memory has such a strange layout ... it easier to address video memory. I also understand that the ... ) are a compromise to limited memory. But where does the line ...what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... from port 7FFD for extra memory pging:
- for ... those bits for extra memory switching and if it ... / port DFFD for extra memory paging.
What is ... keep track of a memory bank number, by combining ... established port for extra memory, other than the Pentagon ...SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…
...
- hex numbers
- fill memory block
- fill with 00 ...
- main memory
- start address - 4000
- ok
then
- view memory
- all screen data is ...About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... was playing a little with z88dk C cross Compiler. Amazing tool ...Data at the top of memoryWhilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available m…
Whilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available memory ? If so, what is the last memory location that is safe to use ?Installing Z88DK Z88DK INSTALLATION Z88DK is distributed in two parts. The first part is the platform independent bits (including source and z80 libraries) and th…
... path, enter
"/cvsroot/z88dk". Underneath these fields are a ... are associated with the z88dk module "/cvsroot/z88dk" and will be ... of the z88dk repository in c:\CVS\z88dk. A z88dk folder
z88dk\include), the three COPTRULES, ...Emulator Dev: Memory Use When Loading RZXsHi, I am currently working on a port of an emulator to a system with limited memory (64mb). I am running out of memory when loading large snapshots …
... to a system with limited memory (64mb). I am running out ... of memory when loading large snapshots (ie ... let me know how much memory is needed to decompress a ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... start to program games with z88dk, but I need a good ...Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …
... appears in the 8-16k memory range when IF1 is paged ...
