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  • Tape and Disk breakpointsIs it possible to set a breakpoint on a .TAP, .TZX or .DSK file so that the debugger pops up when loading finishes? I'm talking about a breakpoint wi…

    ... (in data statement), with an EI RET. Then save to tape ...
    FrankT FrankT May 2009 Emulators
  • Technodrom- help please!I'm trying to emulate this game called Technodrom so I can review it for the next bible. It's a laser squad clone and it seems to work ok except I c…

    ... .zxby.org/download.htm&ei=QeoMSqzgJeXRjAfPx9TkCA&sa=X& ...
    saiwong saiwong May 2009 Games
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... )
    jp 56

    ; im2 jump to routine
    org ...
    defw 0

    ; im2 entry point
    org 0xffff ...
    chev chev May 2009 Development
  • Jumping to BASIC after importing 23296,1703Sorry for the confusing title. :-D Now that I've learned how to stop a game from starting after loading (in Fuse and Specemu), I have a few more que…

    If you only want to jump back to BASIC you can use the RST 8 to create an error.

    EI
    RST 8
    DEFB 255

    will return with OK-message.
    Dr BEEP Dr BEEP May 2009 Sinclair Miscellaneous
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... ld bc,3325
    ei
    ldir
    ...
    inc sp
    ei
    halt

    Bob Stains Bob Stains May 2009 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... ld bc,3325
    ei
    ldir
    dec ... /> im 1
    ei
    call textout
    Bob Stains Bob Stains May 2009 Development
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... of ColorPRINT which incorporates the IM2 routine from 'Rainbowgenerator'.

    chev chev May 2009 Development
  • Need to read code start and length from a +3 diskso i can transfer them to my internal ZXMMC interface and my mind has died as to how to do it (i know how to for a tape) any help or a general kick i…

    ...
    out (c),a
    ei

    pop hl ;Filename ...
    out (c),a
    ei
    pop af
    ;
    John Elliott John Elliott May 2009 Sinclair Miscellaneous
  • DIVIDE - NEW FATWARE for 128kB spectrums[url]http://velesoft.speccy.cz/zx/divide/divide-fatware.htm[/url] [img]http://velesoft.speccy.cz/zx/divide/systems/fatware/fatware+2sp.gif[/img] [im…

    ... tape support
    - new IM2 table (+ fixed im2)
    - removed logo and ...
    velesoft velesoft June 2009 Development
  • Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…

    115200 Baud is indeed possible for transferring files from PC to Spectrum.
    I used a test file holding 6912 times CHR$ 51, and "Splitcom" found at:
    [url]www.propix.hu/share/SplitCom/SplitCom.html[/url]
    Baud rate 115200, 8 data bits, no ...
    roko roko June 2009 Sinclair Basic
  • Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …

    ... , but you could use an IM2 routine and non-ROM channels ...
    chev chev July 2009 Development
  • +3 Centronics port: How does it work?I've been trying to follow the code with Fuse's debugger and I can't see it writing anywhere except to port 0x1ffd. It also jumps through some fairly…

    ...
    ld a,(hl)
    ei
    out (c),a ;and ...
    John Elliott John Elliott July 2009 Hardware
  • Quadrax - Compatibility problems - help!I bought this game last month and when I tried to load it today...it crashes in my +2A!!! Sh*t!! the game was expensive to get, and now I can't play …

    ...
    LD I,A
    IM2[/CODE]

    ie: POKE ...
    Jimmy Jimmy July 2009 Games
  • +3 Centronics port: How does it work?I've been trying to follow the code with Fuse's debugger and I can't see it writing anywhere except to port 0x1ffd. It also jumps through some fairly…

    ... (SYSVAR_BANK678),a
    2216 fb ei

    ;
    2217 cd6b2c ... were done.
    2238 fb ei
    2239 37 scf ;Carry ...
    spodula spodula July 2009 Hardware
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... /> POP AF ; Restore flags
    EI ; Enable interupts
    RET C ...
    Jonathan Harston Jonathan Harston July 2009 Development
  • +3 Centronics port: How does it work?I've been trying to follow the code with Fuse's debugger and I can't see it writing anywhere except to port 0x1ffd. It also jumps through some fairly…

    ... ;
    out (c),a ;
    ei ;

    loop:
    call ... /> out (c),a ;

    ei ;
    scf ;
    ret ;
    chev chev July 2009 Hardware
  • FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…

    ... ;poked by program!!
    ;----------------------
    EI
    RET

    ;end ...
    roko roko July 2009 Hardware
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... . All this games use incorrect IM2 vector = register I is set ...
    velesoft velesoft August 2009 Games
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    This is complette archive with sorted ZX software using incorrect IM2 vector table in ZX rom
    [url]http://velesoft.speccy.cz/other/games-+2a-error.zip[/url]

    All this games crash on +2A machines. More info in TXT file.
    velesoft velesoft August 2009 Games
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... with ZX software using incorrect IM2 vector table in ZX rom ...
    Ivanzx Ivanzx August 2009 Games
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... sorted ZX software using incorrect IM2 vector table in ZX rom ...
    velesoft velesoft August 2009 Games
  • Has any programmers recently pushed the spectrum to the limits?Hi there. Ive just discovered this great forum and I was brought up with the speccy 16,48 and then 128k. Im just wanting to know if there are any re…

    ... DE
    POP BC
    EI
    RETI

    HIRON ...
    AMW AMW August 2009 Development
  • Bruce Everiss gets suedEveryone's favourite marketeer is being sued by the makers of the very dodgy game "Evony" (1) which should provide some entertainment for the foresee…

    ... .com/videoplay?docid=-1012096952890708986&ei=cniUSo2HHo7T-Aba2_iEBw&q=Commercial ...
    frobush frobush August 2009 Chit chat
  • DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…

    ... -off area code:
    8183 EI
    8184 RET
    8185 ...
    velesoft velesoft August 2009 Development
  • 128K Music & FX Advice PleaseHi All, Now BIPBOI is being tape duplicated by Cronosoft as we speak, my next game will be for the 128K Spectrum. Please can anyone advise me: …

    ... it and call it from im2 handler. for academic reasons check ...
    Fikee Fikee August 2009 Development
  • Yippee The ripper is coming to WakefieldMy god, i know women who both do and don't live near where he is supposed to be being transferred to and they are already scared, of all the people w…

    ... &usg=__vX7ihBrWEV-Ym3y4KyRqMfOskRY=&ei=DQmbSpHQMeDRjAeyyt2PDA&sa=X& ...
    Vampyre Vampyre August 2009 Chit chat
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... value 0 and is used IM2 table with rom data #0 ... stable ZX computers will for IM2 interrupt used only 2b value ... is ZX computer have unstable IM2 vector (different value than #FF ... crash. Batman use incorrect(uncomplette) IM2 table. For fix this problem ...
    velesoft velesoft September 2009 Games
  • SIF interfaceNew hardware was developed for spectrum. It is dual full UART with HW flowcontrol. In addition module could be populated with ConnectOne module for W…

    ... the IF can work in IM2 mode but only using a ... me that there is no IM2 logic in your CPLD. Have ... generation and complete handling of IM2 mode? Having a ctc on ...
    Alcoholics Anonymous Alcoholics Anonymous September 2009 Hardware
  • SIF interfaceNew hardware was developed for spectrum. It is dual full UART with HW flowcontrol. In addition module could be populated with ConnectOne module for W…

    ... /> - Interface is able to generate IM2 vector $FF when buffer in ... the IF can work in IM2 mode but only using a ... me that there is no IM2 logic in your CPLD. Have ... generation and complete handling of IM2 mode? Having a ctc on ...
    willcz willcz September 2009 Hardware
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Latest Posts

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