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Search Again :: Adv Search 1000 results in 0.014s
<1…12131415161718…34>
  • Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…

    ... everything. Sprites are particularly memory intensive using z88dk. (96 bytes for one ... 16x16 sprite frame is eating memory ...
    Timmy Timmy July 2011 New game ideas
  • Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…

    ... everything. Sprites are particularly memory intensive using z88dk. (96 bytes for one ... 16x16 sprite frame is eating memory ...
    TechnicianSi TechnicianSi July 2011 New game ideas
  • Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…

    ... currently not sure how many z88dk can handle, but at the ... way, there will be enough memory for storing a completely different ...
    Einar Saukas Einar Saukas July 2011 New game ideas
  • automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …

    ... into a fixed location in memory as part of the relocate ... that z80asm, the assembler in z88dk, can produce relocatable code with ... to supply its location in memory in IY before calling. The ...
    Alcoholics Anonymous Alcoholics Anonymous August 2011 Development
  • 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…

    ... there was a memory problem.

    The memory problem was ... being solved by adding / reimplementing library routines in z88dk ... needs something simple, its memory footprint can get in the ... of the library update in z88dk was a rewrite of ...
    Alcoholics Anonymous Alcoholics Anonymous August 2011 Development
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... difference between ports and memory so far (despite concerns voiced and even ...
    Dunny Dunny August 2011 Emulators
  • z88dk hates me =(Hello there my fellow WoS'ers Under the power of darkness I was about to settle in and play with some SP1 sprite handling (as printf is simply NOT f…

    ... SP1? SP1 uses so much memory that I wouldn't recommend ... />
    Note: in case of z88dk, it's easier to ask ...
    Timmy Timmy August 2011 Development
  • Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…

    ... restore unsaved changes by your memory, because you surely forgot to ... ; and some amount of memory is always occupied with assembler ... compiler (for compiling basic programs), z88dk (for C programs), various cross ... for C or asm in z88dk.

    For writing ...
    meow meow September 2011 Development
  • Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …

    ... it seems that malloc from z88dk has the possibility to use ... /sbrk mechanism or if entire memory has been used and a ...
    tstih tstih October 2011 Development
  • SP1 library questionsI'm working on my first game. I've not written a game since the late 1980s and that was a text based multiuser dungeon for BBC Micros with econet... …

    ... online [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... at a time) then memory constraints should be little worry ... rotation tables at top of memory if set

    * ... an area on screen to memory and in conjuntion with ...
    Alcoholics Anonymous Alcoholics Anonymous October 2011 Development
  • SP1 and memoryWhile developing my program, I've run into memory related issues and haven't (yet) run into any advice over how SP1 uses memory. The examples all sb…

    ... ;571363]
    Generally, how much memory should I allocate with sbrk ... the [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... are doing.

    If memory (and maybe speed) is going ...
    Alcoholics Anonymous Alcoholics Anonymous October 2011 Development
  • Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…

    ... how the spectrum's display memory is organized. Fortunately it ... This is why the pixel memory is organized as "010B BSSS ... no gaps in the pixel memory and the basic program ... [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/spectrum/display ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 Development
  • Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…

    ... variable declarations as needed. z88dk falls in the former category ... br />
    But using z88dk does not mean you have ... [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... a byte into pixel memory corresponds to setting 8 ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 Development
  • Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …

    ... spectrum is purely a memory mapped pixel display and ... for the letter into memory, where each byte represents ... involves POKEing eight bytes to memory per letter, each byte ... call [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/spectrum/display ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 Development
  • Testing needed (+demo)Hi, As my "next" project is mostly finished (still hoping to get it out next week), I realised I need some testing. So here's a demo. [url]http://…

    Agreed. In z88dk, use as many globals as ... variables, use direct access to memory using pointers rather than arrays ...
    na_th_an na_th_an December 2011 Development
  • Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …

    ... compiler that is around here. (z88dk iirc)
    [/QUOTE]

    memory addresses in draw code or ...
    Alcoholics Anonymous Alcoholics Anonymous January 2012 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…

    ... is that it uses more memory (obviously), but I find that ... somewhat a disadvantage to using z88dk - but then that's just ...
    Turkwel Turkwel January 2012 Development
  • z88dk sticky?I've just tried to PM Alcoholics Anonymous and couldn't because "Alcoholics Anonymous has exceeded their stored private messages quota and cannot acc…

    ... allocated from a pool of memory whose size can be ... open files. All stdio memory requirements will be satisfied through ... may be ideal for banked memory systems so that the ... an [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/stdio_new/buf ...
    Alcoholics Anonymous Alcoholics Anonymous January 2012 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…

    ... need to be poked into memory. If you add the '-create ... to the compile line, the z88dk toolchain will automatically generate a ...
    Alcoholics Anonymous Alcoholics Anonymous January 2012 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.
    AndyOaks AndyOaks March 2012 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…

    ... not affect regular use of z88dk.

    [B]The ... bugfixes from later revisions of z88dk and plugging it into older ... customizable as far as memory requirements and memory map and this requires ... The difficulty is not in z88dk but in windows which does ...
    Alcoholics Anonymous Alcoholics Anonymous March 2012 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…

    ... not affect regular use of z88dk.

    [B]The ... bugfixes from later revisions of z88dk and plugging it into older ... customizable as far as memory requirements and memory map and this requires ... The difficulty is not in z88dk but in windows which does ...
    AndyOaks AndyOaks March 2012 Development
  • Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…

    ... code and data in specific memory regions.

    We've ... />
    [URL="http://z88dk.cvs.sourceforge.net/viewvc/z88dk/z88dk/libsrc/sprites/software ... a different screen configuration or memory map.

    The config ...
    Alcoholics Anonymous Alcoholics Anonymous March 2012 Development
  • Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…

    ... />
    I wouldn't let memory confine me anymore. If I ... ). The '80s are gone and concerns about sales are gone with ...
    Alcoholics Anonymous Alcoholics Anonymous May 2012 Development
  • z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…

    ... /> pop bc
    ... ; another no memory error
    jp nc, stdio_error_enomem_zc ... may require calls to the z88dk functions with pushix/popix surrounding ... /> [/code]


    The z88dk equivalent using CALLEE linkage:
    Alcoholics Anonymous Alcoholics Anonymous May 2012 Development
  • Beginner questionThis might sound and be daft.... I've just been reading J Cauldwell's "how to write a Spectrum game" but was thinking of writing something in C as I…

    ... to assembler.

    In z88dk, the compiler adds a leading ... not a synonym for a memory address, but is the location ... of two bytes where a memory address is stored.

    z88dk does it -- for that a ...
    Alcoholics Anonymous Alcoholics Anonymous May 2012 Development
  • In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…

    ... two code block in the memory manager which prepare a method ... about the same performance as z88dk and Boriel's ZX BASIC ...
    Einar Saukas Einar Saukas June 2012 Development
  • Spectrumpedia - the Spectrum encyclopedia.Dear fellow Spec-chums, it is with great pride that I present you the result of an intense work of research I have been carrying out lately. It is …

    ... with the description of contended memory found at page 101;
    [*] Z88DK has been added in the ...
    Alessandro Grussu Alessandro Grussu June 2012 Announcements
  • z88dk SP1 - any internal oddities?I'm just wondering if anyone knows if the Z88DK's spritelib SP1 has any oddities inside, for instance relying on specific timings, undocumented instr…

    ... $FF (and there is contended memory paged in there), which I ... the case when using the z88dk spritelib. If so, it may ...
    AndyC AndyC July 2012 Development
<1…12131415161718…34>

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