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Search Again :: Adv Search 1000 results in 0.014s
<1234567…34>
  • 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 ...
    Emlyn_Hughes Emlyn_Hughes December 2009 Development
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... a far pointer in z88dk that addresses memory in a flat 24 ... implementations for 5 different drivers. z88dk is starting to be populated ... small utility routines because of memory concerns.

    - math functions (16 ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • What is your worst Speccy related memory?We've had the good times, but there were bad times too. I will give you two choice cuts from my back catalogue... Over at a friends house, wanting to…

    My memory concerns my first ever purchase....Rugby ...
    Anonymous Anonymous November 2002 Games
  • 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…

    ... that the default memory map (z88dk/libsrc/sprites/software ...
    BAQTBL(2) // two memory queues

    /*****************END ... ba_Malloc(1); // allocate memory for char structs from queue ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • New platform game: Sid SpannersHi all, here is my Christmas present. A new platform game (well, more of a mini-game really). [url=http://java.cms.livjm.ac.uk/homepage/staff/cmspc…

    ... enemies. But I understand that memory concerns made it impossible? IAC, a ...
    Arjun Arjun April 2011 Brand new software
  • Relocation with SDCCI desperately need auto- relocation with SDCC. Something that will compile all of my code using start address 0 and generate relocation table so that…

    ... to copying blocks of memory). In z88dk's case, I think ... then generate a far memory model version for that library ... temporary objects on performance and memory requirements, and on what ... has predictable execution time and memory requirements.

    But ...
    Alcoholics Anonymous Alcoholics Anonymous June 2013 Development
  • 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 ...
    utopian utopian October 2005 Development
  • 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 ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • 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 ...
    Winston Winston April 2007 Development
  • 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 ...
    Ricardo Cancho Ricardo Cancho April 2010 Development
  • 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
    Digital Prawn Digital Prawn December 2010 Development
  • 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.
    Timmy Timmy January 2012 Development
  • 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 ...
    na_th_an na_th_an January 2014 Development
  • 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 ...
    Alcoholics Anonymous Alcoholics Anonymous December 2014 Development
  • 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 ...
    Alcoholics Anonymous Alcoholics Anonymous December 2015 Brand new software
  • 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

    Alcoholics Anonymous Alcoholics Anonymous January 2017 Announcements
  • 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 ...
    Zetr0 Zetr0 June 2017 Development
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... the more. That is if z88dk generates more efficient assembly.
    z88dk (this comes at the expense ... register.

    This just concerns the overhead of function calls ... write 16 bit numbers to memory faster than two 8-bit ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • 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…

    ...
    Nice article about the concerns of the Z80 stack management ... powerful hardware applications. With z88dk, this is my first experience ... of in declarations also saves memory:
    [/LIST]

    ... a bug in the z88dk regarding the optimizer, please ...
    Ricardo Cancho Ricardo Cancho April 2010 Development
  • Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc.&nbsp; There is an interesting…

    ... but arrangement is different in memory.

    What that ... that the math lib with z88dk will be much more complete ... t be much difference between z88dk and modern C compilers).  So ... feared it might be: the concerns are inconsistency between radian-based ...
    Alcoholics Anonymous Alcoholics Anonymous June 2015 Development
  • TommyGun updatehttps://drive.google.com/file/d/0BwXFKYO5i1IlN2U4MUtrRVZZWUE/view?usp=sharing Hi, I have updated my TommyGun application and since we can't uplo…

    ... large percentage of memory and cpu toward software engineering concerns. It's ... />
    Have you looked at z88dk? It's C, not Pascal ... 32-bit C compiler and z88dk+sdcc anymore in terms of ... of the float libraries in z88dk comes from Turbo Pascal for ...
    Alcoholics Anonymous Alcoholics Anonymous April 2016 Development
  • 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 ...
    cyborg cyborg November 2002 Sinclair Miscellaneous
  • 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 ...
    trellis trellis August 2003 Sinclair Basic
  • 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 ...
    Lee Tonks Lee Tonks August 2003 Development
  • 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 ...
    Lee Tonks Lee Tonks August 2003 Development
  • 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..
    zeropolis79 zeropolis79 September 2003 Sales
  • 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 ...
    Seejay Seejay April 2004 Development
  • 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 ...
    Lee Tonks Lee Tonks April 2004 Development
  • 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 ...
    robpearmain robpearmain May 2004 Development
  • 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 ...
    J?rg Pleumann J?rg Pleumann August 2004 Sinclair Miscellaneous
<1234567…34>

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