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<1…20212223242526…34>
  • zx81I have one ZX81 computer here at home which was given to me today. I?ve never had a ZX81 before and therefore have know nothing about it :) The thin…

    ... second two problems are possibly a bad ULA or Memory (maybe even ...
    MikeW MikeW December 2006 Hardware
  • Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…

    ... , how things are going, what problems they run into - being totally ... using an absolute address in memory after having loadded it in ... really so no worries about memory usage going through the roof ...
    Quazar Quazar December 2006 Development
  • Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…

    ... , how things are going, what problems they run into - being totally ... ( not least because of the memory bandwidth! ) but in theory, it ...
    DonkeyPong DonkeyPong December 2006 Development
  • Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…

    ... currently a developer on is z88dk. Z88dk evolved out of small C ... no crashes, no out of memory errors, more features, etc. Of ... (malloc to get near memory in multiple memory banks) and the far ... the Sam) where the entire memory space can be linearized in ...
    Alcoholics Anonymous Alcoholics Anonymous December 2006 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 …

    ... I might consider looking at z88dk, as I can write ... more. That is if z88dk generates more efficient assembly.
    z88dk (this comes at the ... you to switch to z88dk but the Sam port ... write 16 bit numbers to memory faster than two 8- ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • Who knows how to program a "pathfinder"?Hi all. I like to play games like "Colour Lines" and I think, I will create a version of this game for the SAM Coupe. It looks easy - until this "dam…

    ... common and helps to keep memory requirements down (even for a ... a [URL="http://z88dk.cvs.sourceforge.net/z88dk/z88dk/libsrc/adt/heap/"]priority ... to it" would save on memory. Then each path is just ... puts a better cap on memory requirements.
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... program with the understanding that memory is segmented and you ... . You may run into other problems with SamC:

    ... placement of subroutines in specific memory banks so that they ... have access to the relevant memory areas necessary for their execution ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... pages.

    Because, the memory paging of the Sam handles ... run into a lot of problems with the Sam C as ...
    Quazar Quazar January 2007 Development
  • My security program doesn't like Spin or Spectaculator?I just tried installing both Spin and Spectaculator, and both of them triggered the security alert on my PC's internet security software. When I tri…

    ... the others to work without problems.

    [QUOTE]Not being ... to read byte $14 of memory then I suspect there's ...
    obo obo January 2007 Emulators
  • Early screenshots which differ from the final productI thought it would be interesting to try and list games that looked different in the previews/reviews to the final product. I'll start off with an ea…

    ... help them solve (or avoid) problems as they arise and generally ... is a shambles. Lack of memory has been blamed for the ...
    Swainy Swainy January 2007 Games
  • Looking for a Windows based Z80 compilerCan anybody recommend a windows XP based Z80 compiler that lets you export your code as a Z80 snapshot or TZX or TAP file? If not, what is the best …

    ... is z80asm that comes with z88dk and the other is the ... just use the large flat memory model of the z180, ez80 ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • Looking for a Windows based Z80 compilerCan anybody recommend a windows XP based Z80 compiler that lets you export your code as a Z80 snapshot or TZX or TAP file? If not, what is the best …

    ... a REL library and used z88dk to generate a spectrum executable ... about it. Perhaps access to z88dk's sprite libraries from compiled ... anyplace in a possibly segmented memory map. But above all the ... I have ideas.

    z88dk's upgrade path for assembler ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • 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…

    ... z88dk (preferably with the +3, although info on the 128k memory ... />
    The z88dk assembler only attaches library ... [url]http://z88dk.cvs.sourceforge.net/z88dk/z88dk/libsrc/fcntl/spectrum ... /> Pageing (a segmented memory model) introduces complications, but ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • +2 / +2a : What's the difference ?+2 / +2a : What's the difference ? I still haven't managed to find out this yet. Yes, I know I'm an idiot.

    ... big name games that have problems on the +2A/+3 that ... .

    The biggest compatibility problems are generally between the 48K ... differences in processor speed and memory contention.
    Matt_B Matt_B February 2007 Sinclair Miscellaneous
  • basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…

    ... ]

    There are several problems.

    An important one ... .

    Other is the memory map. To introduce indexes to ... to acommodate them in the memory without disturbing other parts.
    NotFound NotFound February 2007 Development
  • basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…

    ... =NotFound;169690]There are several problems.

    An important one ... />
    [quote]Other is the memory map. To introduce indexes to ... to acommodate them in the memory without disturbing other parts.[/quote ...
    JamesD JamesD February 2007 Development
  • The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…

    ... , so there will be incompatibility problems if it is used. For ... . I really like the flat memory model. But if it is ... to be compatible, anticipate some problems.
    Alcoholics Anonymous Alcoholics Anonymous February 2007 Sinclair Miscellaneous
  • The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…

    ... the least of it's problems.

    The CoCo3 GIME ... . There's just not enough memory for an advanced C compiler ...
    JamesD JamesD February 2007 Sinclair Miscellaneous
  • TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …

    ... poke :-)

    All the problems automagically disappeared after I uninstalled ... in TG (and Sevenup, using z88dk too of course ;-) ) will be ...
    Alcoholics Anonymous Alcoholics Anonymous February 2007 Development
  • Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …

    ... order that they appear in memory.

    The situation is ... 't solve. The entire system memory has been made flexible in ... way that presents the fewest problems to the BASIC programmer but ... the maximum problems to the ROM author who ...
    Geoff Geoff March 2007 Sinclair Basic
  • Feel my pain......or sit back and laugh yourself sick. Recently upgraded to XP Pro. Getting intermittent crashes/reboots - nothing in event manager. OK reinstall …

    ... have never had any real problems since.

    [/quote]
    problems thread. I switched the RAM ... somewhere that Nvidia drivers cause problems - howeever, my 440 Mx (I ... 'm gonna play with the memory. Maybe juggling?

    The ...
    FRGT/10 FRGT/10 March 2007 Chit chat
  • My to-buy listWhat I want to buy: -ZX80 - [COLOR="Red"]bought[/COLOR] -ZX81 - [COLOR="Red"]bought[/COLOR] -ZX Spectrum 48K - [COLOR="Red"]bought!!![/COLOR] -ZX…

    ... of the time and my memory is not what it once ... combine and eliminate the two problems.

    The 8 computers ...
    dekh dekh March 2007 Wanted
  • CEZ-GS strikes back with new Spectrum stuff...Something new is aproaching...March 10th will be a great day for our Spectrum! as you can read in this news... [url]http://computeremuzone.com/?id=n…

    ... , dealing with a >64k memory model is not straightforward when ... code and data spread across memory banks. Was there any specific ... ;64k-aware support code into z88dk at some point.

    Alcoholics Anonymous Alcoholics Anonymous March 2007 Games
  • CEZ-GS strikes back with new Spectrum stuff...Something new is aproaching...March 10th will be a great day for our Spectrum! as you can read in this news... [url]http://computeremuzone.com/?id=n…

    ... , dealing with a >64k memory model is not straightforward when ... code and data spread across memory banks. Was there any specific ... ;64k-aware support code into z88dk at some point.[/QUOTE]

    Speaking of z88dk/splib, it would be a ...
    utopian utopian March 2007 Games
  • So how much programming experience do you need to create a Spectrum Game?Hi all i was just mucking about with that old program "Game Designer" and i was wondering how difficult it is to write a new Spectrum game?

    ... , whether that be in speed, memory size or graphics resolution. Usually ... you can handle learning C, z88dk has a sprite engine for ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Games
  • CEZ-GS strikes back with new Spectrum stuff...Something new is aproaching...March 10th will be a great day for our Spectrum! as you can read in this news... [url]http://computeremuzone.com/?id=n…

    ... />
    [quote]
    Speaking of z88dk/splib, it would be a ... -- you specify the locations in memory for all the data structures ... serious look at the large memory model.

    [quote]

    [url]http://www.z88dk.org/wiki[/url]

    Alcoholics Anonymous Alcoholics Anonymous March 2007 Games
  • Dead Spectrum +Hi all, I've recently dug out my old Spectrum + with the idea of repairing it. When I last looked at it, when I was much younger, I was soldering a …

    ... , it still might lead to problems. However, I think a reasonably ... 't need to use screen memory to display stuff. I think ...
    Winston Winston March 2007 Hardware
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... what it is but if memory serves, one of the 74LS ... and helped me debug many problems with my own projects, as ...
    Winston Winston March 2007 Hardware
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... loop, into each and every memory location - (again, in a loop ... to 65535, there are no problems and the computer can see ...
    DEATH DEATH March 2007 Hardware
  • Anybody fancy coding this?blah de blah de blah Please ignore, poting error.

    ... won't pick up influence problems.

    For example, if ... has to save and restore memory it should be ok for ...
    dekh dekh March 2007 Development
<1…20212223242526…34>

Latest Posts

  • I am currently watching.....
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    Renegade on April 21
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    John Elliott on April 21
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