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<1234567…34>
  • 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…

    ... replace low 16kB with external 8kB ROM + 8kB RAM. You must use own ... 67) DivIDE connect external memory (8kB rom + 8kB ram)
    (at adress 102(#66 ... ) in DivIDE rom you must write instrustion RET ... use own font in DivIDE rom.

    - Is also ...
    velesoft velesoft August 2009 Development
  • Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…

    ... rom with this:
    1) 8kB rom + 8kB ram (4x pageable 8kB ram pages)
    2) 8kB writeprotect ram + 8kB ram ... (3x pageable 8kB ram) - you ...
    velesoft velesoft November 2011 Games
  • Schematic of MULTIFACE 128Exist schematic of Multiface 128 ? I find on WOS only pictures of PCB layers. I mix both layers for possibility make schematic from picture, but it's…

    ... />
    - MF128 contain 8kB rom + 8kB ram
    - contain through ZX ... instead zx rom (0-8191 = 8kB multiface rom + 8192-16383 = 8kB multiface ram).
    rom. Writed value is ignored ... can now detect rom access and connect external ...
    velesoft velesoft July 2012 Hardware
  • Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…

    IN #77 = disable ZX rom and connect messenger memory 8kB rom + 8kB ram
    OUT #77 ... = disconnect messenger memory and connect ZX rom ... almost complete disassembly of messenger rom:
    [url]http://velesoft.speccy ...
    velesoft velesoft August 2012 Hardware
  • DivIDE black editions availableI have about 6 more DivIDE black editions ready, and will finish more this week. [B]DivIDE 57c BLACK edition including ESXDOS 0.8.5 and 1GB CF card[…

    ... be replaced with external memory 8kB rom + 8kB ram = very similar as DIVIDE)
    velesoft velesoft August 2013 Sales
  • Hardware description - MULTIFACE 128I make schematic of MULTIFACE 128 (v36) from PCB layers downloaded from WOS. But all PCB layers on WOS contain some bugs, absent signals, etc.. Now …

    ... external memory. MF128 contain 8kB rom + 8kB ram. Interface automatically save state ... disable connection of external rom/memory for other devices. ... (enable access to ZX rom area for external devices = ... external memory instead ZX rom). Reading data from this ...
    velesoft velesoft September 2013 Hardware
  • OPUS.ROMI was downloading the new RealSpectrum emulator with low level access to disks like Opus Discovery disks. But now I need the ROM file. Where can I ge…

    ... disks like Opus Discovery disks. But now I need the ROM file ... /> # Multiprint-Rom: mprint.rom # ROM file for Multiprint
    # SpecMate-Rom: specmate.rom # ROM file for ...
    wilko0070 wilko0070 September 2005 Emulators
  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …

    ... pair.

    ;; RAM-FILL
    L11DC: LD ... ROM - $3F ?
    JR NZ,L11DC ; Back to RAM ... ROM - $3F ?
    JP NZ,L11DA ; Back to RAM ... /> ;; RAM-READ
    L11E2: CP H ; Have we reached ROM - ...
    antoniovillena antoniovillena April 2012 Development
  • TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …

    ... ZX Spectrum without ROM and RAM - use only divide rom !

    < ... )
    - test rom use only first 8kB of rom chip (on divide ... use only 8kB eeprom ... chip). Not need ZX ram ...
    velesoft velesoft August 2012 Sinclair Miscellaneous
  • divide plus back to life , preorderI have green light form authors to made DIVIDE PLUS, anybody interested? Promise from me , fully asembled and tested DIVIDE PLUS in plastic case. Qua…

    ... memory to ZX ram. Actually this file contain 2kB code with comfortable ... your DivIDE/DivIDE+ only 8kB rom + 16kB ram....next extra memory 2MB will ...
    velesoft velesoft July 2009 Hardware
  • Write to ROM=crash?I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say: "Happily no check is ma…

    I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say:
    "Happily no check is made as to whether ROM or RAM is addressed."

    Does this mean that pushing a value when SP
    Unique Unique February 2005 Development
  • Opus Discovery 720K DriveOK, so I bought an Opus Discovery recently. Went through a whole process of fitting a second drive, which I know to be 720K. Eventually got the thin…

    OK, so I bought an Opus Discovery recently.
    Went through ... 1 that came with the Opus to 720K. Lo and behold ... modify it (thanks to the Opus ROM disassembly on WOS) to allow ...
    hldswrth hldswrth November 2006 Hardware
  • Micro Command - voice recognition for the ZX SpectrumIt's an interface you might know about. This is it: [img]http://www.zxprojects.com/images/stories/microcommand/microcommand.jpg[/img] I've found som…

    ... 4MHz), 2KB ROM memory, mapped at 0000h - 07FFh, and 2KB of RAM memory, mapped ... at 1000h - 17FFh. Both ROM and RAM memory ... , I admit, but if the 2KB EPROM is reprogrammed, the "slave ...
    mcleod_ideafix mcleod_ideafix August 2010 Hardware
  • ZXC3 Rom CartridgeI recently aquired a ZXC3 Cartridge Rom from [URL="http://www.fruitcake.plus.com/"]Paul Farrow[/URL] fully populated with the latest diagnostic softw…

    ... recently aquired a ZXC3 Cartridge Rom from [URL="http://www.fruitcake ... thing and if you have rom capability (Ram turbo, IF2 etc), this ...
    Macc Macc December 2010 Hardware
  • DIVIDE PLUS - new memory mode DIVIDE128Divide PLUS contain 512kB sram + 512kB flash eprom. Memory paging in this device is enable on two different ports : 1) port #E3 is compatible with o…

    ... D0 - D1 = number of selected 8kB ram page (0-3)
    D2 ... D1 - D4 = number of selected 8kB ram page (0-15)
    D5 ... access to 8kB rom image with main system data + 128kB ram. If ... ram and 8kB rom image with main system is placed on different ram space = ram ...
    velesoft velesoft June 2013 Hardware
  • Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…

    ... /> DIVIDE interface use external 32kB ram + 8kB rom memory(reflashable eeprom). Eeprom memory ... mode ram page 3 with write protect are used instead 8kB ROM(rom emulation ... ). From adress #2000 is visible always current divide ram ...
    velesoft velesoft August 2013 Hardware
  • Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…

    ... MF3 contain 16kB rom organised as two 8kB rom pages + 8kB ram. Interface automatically save ... />
    MF3 rom paging - interface contain two 8kB rom pages. After reset ... OUT #BF,xx for select 8kB rom page 0/1:
    ... ,xx - bit D0 select 8kB rom page(D0 in log.0 ...
    velesoft velesoft August 2013 Hardware
  • Currah MicrosourceHi Anyone here got a Currah Microsource ? I have one, its one of the original eval units complete with 'draft' manual. Just interested to see how …

    ... Currah MicroSource 8K ROM outside of the ROM itself and ... in my Spectaculator emulator RAM. Thanks Woody once again ... to copy the MicroSource ROM to RAM and save it ... start:
    ; Loads an 8Kb block into RAM at C000h
    LD ... can post the ROM up to WoS.
    BloodBaz BloodBaz October 2006 Sinclair Miscellaneous
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... has 512kB RAM and 64kB EPROM (native MB02+ has 2KB EPROM and ... at minimum 128kB RAM)
    RAM is battery backed S-RAM ... .
    The ZX ROM is ... is mapped instead of ROM.
    All RAM on MB02+ is mapped ...
    ingo ingo April 2008 Development
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... with two 16kB ram pages. 8kB divide rom can after reset ... /power-on copy original TIMEX 2068 rom ... to divide ram. DIVIDE can use two 16kB pages = 8kB ram + 8kB rom ... 2068 use incompatible modified rom 24kB = incompatible computer ...
    velesoft velesoft January 2009 Hardware
  • What we gotI moved house and I have setup my Spectrum gear, I was looking at all that I have and was thinking what else do others have in there collection? Ok …

    ... 64K ROM + 64K RAM + CF intf
    1 Spectrum 96K ROM + 256K RAM + Opus Discovery ...
    roko roko May 2009 Sinclair Miscellaneous
  • ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…

    ... version for original DivIDE (32kB ram), but only first two 16kB ... mode with 16kB paging in rom area (similar as MB02+). Each ... is OUT 227,128 = connect 8kB DivIDE eeprom with new bios ... /> [*]Initially, copy of BASIC ROM (eg RAM bank 0 for most interfaces ...
    glancaster glancaster July 2009 Hardware
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... /> ; THIS CODE CONTINUE IN MB02 RAM PAGE 2
    ;
    LD ... CODE CONTINUE IN MB02 RAM PAGE WITH 48 ROM
    ;
    IN ... versus 8+8kB (MB02 versus DIVIDE):[/b]
    Each MB02 ram page ... code and data in high 8kB ram(8192-16383). This software protection ...
    velesoft velesoft September 2009 Development
  • Opus Discovery ROMHi Spectrum-friends, it is now a long time since I used a Opus Discovery daily and even when I bought it I had a 720k drive with him. Now a guy want…

    ... need ROM 2.2 for 128 compatibility, and 6116 RAM for using ... specs) is copied from ROM to RAM when that is mounted, and ... . modificated ROM; 2. a prog to make changes in 6116 RAM (after ... which a disk is formatted); 3. an Opus-formatted ...
    roko roko December 2010 Hardware
  • DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …

    [QUOTE]- this fatware use 16kB of code (old version only 8kB)[/QUOTE]

    Fatware is in ROM and RAM ?
    kpuchatek kpuchatek May 2011 Hardware
  • DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …

    ... =kpuchatek;531194]Fatware is in ROM and RAM ?[/QUOTE]

    Yes ... must be flashed in divide ROM. After power on or reinit ... " file "boot.bin" to divide ram. 8kB rom is small space for systems ...
    velesoft velesoft May 2011 Hardware
  • DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …

    ... ROM from card to RAM then switch RAM instead of ROM ? Something like all-RAM ... with different rom and ram pages. Rom is emulated in ram and ... ;install first 8kB of custom rom to divide ram page 3
    8kB of custom rom to divide ram page 2
    velesoft velesoft May 2011 Hardware
  • Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…

    ... mode can use only 32kB ram as original DivIDE interface. ... used as original DivIDE 32kBram+8kB rom. This way enable installation ... also 512kB rom = on DivIDE Plus is 512kB rom + 512kB ram = 1MB ... is used 16kB ram/rom paging instead original ZX rom. RESIDOS need ...
    velesoft velesoft May 2011 Hardware
  • Question about DivIDEHi guys, Tell me this... (please) DivIDE features an "auto-mapping feature transparently maps shadow ROM at important entry points". Depending on …

    ... replace ZX rom with external 8kB write protected ram+next 8kB ram)
    ... 2) true 16kB allram mode (replace ZX rom ... CPU can access to 512kB ram + 512kB rom.

    ...
    velesoft velesoft June 2011 Hardware
<1234567…34>

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