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<1…18192021222324…34>
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... ]* 16 kB EPROM or flash ROM[/quote]
    Only 16kB ? ... MB02+ support up to 512kB rom (or flash eprom - exist ... you)
    - IM2 vector stabilisation (switch on board)
    - compatibility with ... mode in full configuration 512kB rom+512kB ram and support up ...
    velesoft velesoft September 2010 Hardware
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ...
    ...
    - IM2 vector stabilisation (switch on board)
    - compatibility with ... mode in full configuration 512kB rom+512kB ram and support up ...
    ingo ingo September 2010 Hardware
  • MB02+IDE aliveLast weekend I finished soldering and testing my MB02+IDE. All items work perfectly on +2 grey, on +2A, on 128k heatsink and on 48k Issue2 and 3b tes…

    ... code. Or can contain software switch to page with NMI menu ... , then CPU jump to BS-ROM with write protect to adress ... ! Also BS-DOS and BS-ROM can be install to any ... and jump always to MB02 rom 0 to adress #00.
    velesoft velesoft September 2010 Hardware
  • How do you work with fonts on speccy?just curious really.. I know c64 workings, and obv. the spec you draw direct to screen.. on 64 , you'd make what would be equivalent to UDG.. and sa…

    ... system variable which points to ROM character set. If you store ... have bigger letters you must switch to assembler.

    Spectrum ...
    Ralf Ralf September 2010 Development
  • SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…

    ... switch SAM COUPE to ZX mode (zx emulator) with original ZX48 rom ... SNA". This install ZX rom and switch SAM to ZX mode - ideal ...
    velesoft velesoft September 2010 Development
  • SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…

    ... ]As first step is best switch SAM COUPE to ZX mode ... (zx emulator) with original ZX48 rom in low 16kB and manually ... shame to use the Spectrum ROM and environment just for some ...
    obo obo September 2010 Development
  • DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…

    ... 128kB memory. Original DIVIDE automatic switch ZX128+2B to this mode ... you replace +2B rom chips with ZX128 rom then will possible upgrade ... br /> RESET - start to 128 rom/menu
    RESET+SHIFT - ... /> - compatibility with 128 basic (rom 0)
    - fixed exit and ...
    velesoft velesoft September 2010 Hardware
  • How do I make a ROM selector switch ?I would like to have a ROM switch for my good old Alesis HR-16 drum machine, so I can switch between 2 sets of ROMs to get different sets of sounds. …

    ... . If you're adding a switch you need to make sure ... OE line of the deselected ROM is pulled high and not ... toggle switch (the kind with three terminals) and connect each ROM OE ... the job).

    The switch alternates which OE is connected ...
    csmith csmith September 2010 Chit chat
  • Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …

    ... board (doddle) and soldered a switch

    now I' ... ve just dropped the SpecSE.rom on the tap creator, but ... it made?

    the rom is 32k but the tap ... to flash the original 48k rom as well?

    ... bank 2 needs the 48k rom and bank 3 the 128k ...
    BiNMaN BiNMaN September 2010 Hardware
  • Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …

    ... board (doddle) and soldered a switch

    now I've ... use individual 16k rom images, not the combined rom images that some ... /> Andrew recommends flashing the SE rom to all four banks of ... basic, and the original spectrum rom for compatability. All with a ...
    guesser guesser September 2010 Hardware
  • 128kefrom the scratchpad for the 128ke "Finally, reading from a non-existing port (eg 0xff) will give the screen/attribute bytes as it does on the 48K/12…

    ... mode, or with the 128ke rom set sort that out?
    switch to 48k mode from the ... it switches to the 48k rom and locks all the paging ... to run.

    what rom are you using, and what ...
    guesser guesser September 2010 Hardware
  • How compatibel is the Sprinter 2000?How compatibel is the Sprinter 2000? I have one but only trd software runs. Joystick did not work and tape in and tape out too. I have schematics bu…

    ... ramdisc as virtual FDD, or switch to real FDD or load ... writed special software (modified ZX rom). Theoretically is possible port system ...
    velesoft velesoft September 2010 Hardware
  • Flash based rom replacement board for +2A/+3I'm sure I already started a thread about this, but I can't find it... Anyway, this post's to say that I've just sent off the order for the printed …

    ... it reprograms it's own rom it will corrupt my flash ... caused by the way the rom selection works on the +2A ... commands etc, even when the rom of an external interface is ... will add a write protect switch alongside the bank selection. If ...
    guesser guesser September 2010 Hardware
  • zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…

    ... , even if memory, CPU and ROM were not working. Watch out ... use the +12V voltage to switch the RGB function on, in ...
    mcleod_ideafix mcleod_ideafix October 2010 Hardware
  • Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…

    ... it does contact).

    Switch on the computer. It will ... test:

    Remove both ROM's, taking care of which ... left ROM, ROM A, and the right ROM, ROM B.

    Take ROM B ... the socket reserved originally for ROM A.

    Short the ...
    mcleod_ideafix mcleod_ideafix October 2010 Hardware
  • DIVIDE games crashingMy DIVIDE arrived today complete with 512K CF Card, ready to go. First impressions, really good - simple file browser works fine & games load no prob…

    ... with +2gray. I need to switch on/off few times.
    ROM support.
    kpuchatek kpuchatek October 2010 Hardware
  • Alien8 will not run on Divide?I can't seem to get Alien8 running on my 128+ with Divide. I have the original tape and have loaded into an emulator to create a snapshot, (.z80) an…

    ... videoram with black screen and switch ram to 48kB mode...
    rom with enable 128kB memory)
    rom with 48kB memory) - ideal for ...
    velesoft velesoft October 2010 Hardware
  • Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …

    ... memory (RAM), read only memory (ROM), central processing units (CPUs), machine ... a programming error in the ROM. You will find a working ... would follow... Interrupts are automatically switch off during this magic 'CALL ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • How to Extract a Font from a Game?I remember it was possible to load/save your own fonts in ArtStudio on my Speccy. I also remember it was possible to loop the loaded block of a game …

    ... of the game. I could switch off sprites I didn't ... get maps, I scanned the ROM for a header signature and ...
    ASM ASM November 2010 Games
  • divide deviceHi, This is first my first post,so hello to you all I first Spectrum 48k was a Xmas present way back in 1983,best gift ever. Then I moved on to a C…

    ... other interface with external memory rom/ram or old kempston joystick ... use extra memory 1MB (512kB rom + 512kB ram) with MB02 ... use extra memory = is impossible switch systems via OUT 23,xx ... disable connection of external memory rom/ram on all devices connected ...
    velesoft velesoft November 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... connect jumper back (disable flashing rom)
    - press "z" for ... br /> Way for switch to new ZX rom or IF2 game: ... - demfir
    system number 2 (rom page 5) - +divide
    system ... unused ?)
    system number 14 (rom page 29) - fatware
    system ...
    velesoft velesoft November 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... use TAP file fith rom installer + rom image(s). Its very ... from any system switch to new rom via OUT 23, ... TAP file via FATWARE, switch to BSROM and modify basic ... , switch to residos and save ... of installation code with BS-ROM 140:
    [url] ...
    velesoft velesoft November 2010 Hardware
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ... />
    I have added the switch /p to place a small ... br /> ld a,00000100b ; Vertical ROM select/count
    out (c ... table for Spectrum +3/2a ROM.


    change_tab ... hardware devices that shadow the ROM, any comments?

    Regards ...
    ASM ASM November 2010 Announcements
  • Problem with se basicI use MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23,xx can switch between original 48 rom and SE ROM. But if I write basic program i…

    ... xx can switch between original 48 rom and SE ROM. But ... if I write basic program in 48 basic and switch ... different from the original ROM. Many of the routines ... in the original ROM don't exist in ... your program with whichever ROM you are using you ...
    chev chev December 2010 Sinclair Basic
  • Problem with se basicI use MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23,xx can switch between original 48 rom and SE ROM. But if I write basic program i…

    ... radically different from the original ROM. Many of the routines ... in the original ROM don't exist in ... your program with whichever ROM you are using you ... the SE Rom instead of the 48k rom while it' ... . if you switch from SE Basic to 48k rom it hangs.
    guesser guesser December 2010 Sinclair Basic
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... support also install RESIDOS from rom (don't need load installation ... /> - new SELECTOR can also only switch to RESIDOS as original firm ... other DIVIDE systems will in rom and can be in SELECTOR ... reset to this system) or switch only.

    My SELECTOR ...
    velesoft velesoft December 2010 Hardware
  • What model next ?Hi All I already have two 48k rubber kyed 48k Spectrums and a Grey +2 What to get next. ZX Spectrum + ZX Spectrum 128 Toast Rack ZX Spectrum +3

    ... 've got Guessers replacement flash rom in my +2b, the spectrum ... says Sinclair Research when I switch it on

    BiNMaN BiNMaN December 2010 Hardware
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    ... box to allow me to switch between dual screen PC and ... .com[/URL] Paul Farrow programmable ROM pack fitted into an IF2 ... be replaced with a Turbo ROM). Paul is an absolute star ... this all up. The programmable ROM allows me to load from ...
    hedge hedge December 2010 Hardware
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    ... OS?[/quote]

    The ROM is a combination of a ... />
    SE Basic is replacement ROM. Just like the original, it ... mode, and the ability to switch video modes in the middle ...
    chev chev December 2010 Hardware
  • Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…

    [QUOTE=aowen;499301]The ROM is a combination of a ... />
    SE Basic is replacement ROM. Just like the original, it ... mode, and the ability to switch video modes in the middle ...
    Rebelstar Rebelstar December 2010 Hardware
<1…18192021222324…34>

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