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  • DIVMMC / DIVIDE and combination with next interfaces (compatibility)Very often we can read about problems of ports collision or incompatibility between devices. Here is way for identify devices compatible/usable with …

    ... often we can read about problems of ports collision or incompatibility ... combine more devices with extrenal memory on ZX bus. Then ... all other devices with external memory and also other IDE ... which contain only interfaces without memory, removed ports of some ...
    velesoft velesoft March 2017 Hardware
  • SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…

    ... quite significantly
    Fixed problems with using compound assigns ... (mostly graphics, but memory filling and allocation too)< ... display
    Fixed problems with hitting tab when ... an IIF function caused problems
    String multiplication ...
    Dunny Dunny April 2017 Sinclair Basic
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... pondering on the 128k memory thing a bit, and ... br />
    The 64k memory space is divided in four ... no way to page in memory there. Second chunk is ... Third is fixed to usable memory. Fourth is the bankable ... be in the always-resident memory (the fixed 16k + the ...
    Sol_HSA Sol_HSA May 2017 Development
  • 128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…

    ... get my head around the memory contention issues of the various ... best use of the extra memory. I've searched the forums ... /> I can understand that the memory is divided up into banks ...
    adrian_singh adrian_singh May 2017 Development
  • Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …

    ... struggling to get my first z88dk C program to compile. My ... file /home/dev/Spectrum/DevelopmentTools/Z88DK/z88dk/lib/config/../..//lib/spec_crt0.asm ...
    thricenightly thricenightly June 2017 Development
  • z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…

    ... // set to 0 (top of memory)
    #pragma output CRT_ENABLE_RESTART = 1 ... /> #pragma output CLIB_STDIO_HEAP_SIZE = 0 // no memory needed to create file descriptors ...
    slenkar slenkar June 2017 Development
  • z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …

    ... a portion or portions in Memory that are used by system ...
    Zetr0 Zetr0 June 2017 Development
  • Z88dk installation DebianHi, I'm looking for some advice on installing Z88dk on my system. I have a few questions so if anyone could help me that would be great! My fi…

    ... for some advice on installing Z88dk on my system. I have ... '/home/mrploppy/Documents/Coding/C/z88dk/support/graphics'
    Makefile:70 ...
    Atari_Jetman Atari_Jetman June 2017 Development
  • z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …

    ... engines have been implemented in z88dk. It's not obvious.
    thricenightly thricenightly July 2017 Development
  • Key repeat weirdness with EI & IYI finally (after 35 years!) decided to write something a) for 48k speccy b) in z80 assembler. It's been over 20 years since I've written anything in …

    ... was a) the speccy screen memory layout and b) that z80 ... called populates a byte in memory with bits corresponding to QOAPSpace ... " which seem to cause the problems whenever interrupts are enabled. If ...
    arttu arttu July 2017 Development
  • Question about emulators under Linux Mint.[b](*delurks*)[/b] Hi. I've recently started using Linux Mint, and I'm having trouble with a Spectrum emulator for it. (I'm also having trouble …

    ... and trying to solve the problems? Or should I switch to ... : Processes: 184 Uptime: 22 min Memory: 724.6/4032.8MB
    solar_penguin solar_penguin July 2017 Emulators
  • z88dk relocationJust wondering how is the new relocation in z88dk supposed to work? I noticed that there are maps and symbol files available. Are we supposed to pars…

    ... is the new relocation in z88dk supposed to work? I noticed ...
    tstih tstih July 2017 Development
  • Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …

    ... were to wire an additional memory chip, say a 6264 8Kx8 ... , in parallel with the main memory so that it sits in ... the Z80 reads from main memory, it might be possible to ... reduce the effect of memory contention considerably. Possibly with the ...
    The_Bert The_Bert September 2017 Hardware
  • Something my dad did for me...Today, what's left of it, is what would have been my dad's 75th birthday, but he never made it past 50. Here's something he did for me, other than…

    ... don't remember having any problems with them - the amount of ... another beer (maybe more) in memory of Peter Alan Waterman, 15 ...
    The Mighty Dopethrone The Mighty Dopethrone November 2017 Chit chat
  • ZEsarUX 6.0 stableHi! ZEsarUX 6.0 stable is out! This is a major version, it includes some new machines and a lot of new features and bug fixes :) You can downlo…

    ... used
    Added feature "memory zone" to ZRCP and all ... menus that inspect memory (debug, disassemble, sprites etc): ... :
    *showing also read memory and opcode execution visual mem ... turbo mode
    Fixed latency problems on all audio drivers
    chernandezba chernandezba November 2017 Emulators
  • Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…

    Here is new utility for testing DivXXX ram memory:
    [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]
    velesoft velesoft December 2017 Hardware
  • Help with a TIMEX TC2048 and memory problemBought a 2nd hand Timex TC2048 but unfortunately I detected a problem with the machine which is preventing it from working properly. I believe it …

    ... />
    I believe it is memory related but I am at ... chips, placed sockets, inserted new memory chips and the result is ... .

    Is this a memory addressing problem? The machine doesn ... 't "see" the memory?

    Where should I ...
    Renegade Renegade December 2017 Hardware
  • How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…

    ... ,48 in BASIC to turn memory paging off. But how do ...
    ivanb303 ivanb303 January 2018 Development
  • Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…

    ... on C using the powerful z88dk compiler , the fabulous Nirvana Plus ...
    cgonzalez cgonzalez January 2018 Brand new software
  • Writing own emulator: Contention questionsHi! (I don't know if this message should be here or in Hardware) I'm trying to write my own emulator just for the sake of it, and I'm having pr…

    ... , and I'm having problems understanding the memory contention in 48k, in ... /> My question is... why 5 memory contentions there? It's like ... to read 5 times from memory when you already have the ... memory read result in the previous ...
    MrKii MrKii April 2018 Emulators
  • 1st steps in animation Having finally resurrected my familiar old graphics programs, chief amongst which is DPaint Animation, I was a little taken aback to reali…

    ... aback to realize that my memory had played tricks on me ... fills without causing major conversion problems the least of which will ... the head will cause overlapping problems even if its just the ...
    mik3d3nch mik3d3nch April 2018 Chit chat
  • Where's Mr Clowder when I need him?What happened to F-Clowder? I hope he's alright and hasn't had some setback keeping him away from here? He got me wound up to do graphics for a game…

    ... achieve, its a set of problems not that dissimilar to trying ... DOS version is the 640k memory limit and the 320x200 resolution ... it wasnt for those two problems it would be the best ...
    mik3d3nch mik3d3nch June 2018 Chit chat
  • Need help getting Spectranet libraries compiled with latest Z88DK.Hello, I'm in the midst of porting PLATOTerm to the ZX Spectrum, and am trying to fold in Spectranet functionality, but the last released binaries fo…

    ... work with any remotely recent Z88DK, and it no longer compiles ...
    tschak909 tschak909 August 2018 Development
  • Printing text using direct screen addressingHaving some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwell…

    Having some problems printing using the FASE engine ... 't assume that the video memory is on 0x4000. You must ...
    andydansby andydansby December 2018 Development
  • Hisoft C and Cassette - Problems with runtimeI've been playing with Hisoft C using the cassette version for research and a bit of fun, but I am stuck on some problems that I hope someone here ca…

    ... I am stuck on some problems that I hope someone here ... source code, I have no problems to load it back to ...
    Paulo Garcia Paulo Garcia December 2018 Development
  • problem with symbol shift and caps shift key combinations on multilayer keyboard membranesHello, I know, it is generally know that some ZX Spectrums with multilayer keyboard membranes have problems with some key combinations. Typically …

    ... with multilayer keyboard membranes have problems with some key combinations. Typically ... + had sometimes this kind of problems. I rewrote keyboard reading routine ... it at any place in memory and run it from here ...
    cygnus cygnus January 2019 Assembler
  • ZEsarUX Beta 7.2-RCHi I have uploaded a new ZEsarUX Beta version: 7.2 Release Candidate! Next version will be final stable :) You can download it from: https://g…

    ... cpu menu
    -Added Chloe memory Zone

    Improved TBBlue ... should fix some Windows audio problems. Check Settings->Audio-> ...
    chernandezba chernandezba March 2019 Emulators
  • ZEsarUX stable 7.2Hi! I have uploaded a new stable ZEsarUX version 7.2! You must go to the Releases section on the GitHub project to download It, as usual: htt…

    ... cpu menu
    -Added Chloe memory Zone

    Improved ZRCP ... should fix some Windows audio problems. Check Settings->Audio-> ...
    chernandezba chernandezba April 2019 Emulators
  • Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …

    ... there will be any problems with other storage options.< ... )
    ║ -m: dump memory banks and full compression to ... ║ 4 : @16384-32751 user specified memory location
    ║ -fN: force ... in upper
    ║ memory for 16k games. Helps reduce ...
    TomD TomD May 2019 Sinclair Miscellaneous
<1…13141516171819…34>

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