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<1…15161718192021…34>
  • Will an interface 1 work with a +2?I don't want to break anything, can I bugger up the +2 by connecting an interface 1 and microdrive to it? Are they compatible? If they are, with no…

    ... Ian Collier's enhanced 16K IF1 ROM and use that instead ...
    Arda Arda March 2007 Hardware
  • Will an interface 1 work with a +2?I don't want to break anything, can I bugger up the +2 by connecting an interface 1 and microdrive to it? Are they compatible? If they are, with no…

    ... Ian Collier's enhanced 16K IF1 ROM and use that instead ...
    Geoff Geoff March 2007 Hardware
  • Will an interface 1 work with a +2?I don't want to break anything, can I bugger up the +2 by connecting an interface 1 and microdrive to it? Are they compatible? If they are, with no…

    ... hand if you have an IF1 then surely you're more ...
    Geoff Geoff March 2007 Hardware
  • Question about serial numbers, and issue marques.Hi, I don`t know if you can help me with this little question, but here goes. The spectrum computers have coloured serial numbers on the bottom of th…

    ... microdrive cartridge connected to an IF1.

    I am also ...
    ZX-MAD ZX-MAD March 2007 Hardware
  • 5v Transformer.I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?

    I have emailed a schematic/diagram for you to look at. I hope it's clear, but I'm not good at art :)
    DEATH DEATH March 2007 Hardware
  • Faulty M1 linesI'm sure this has been discussed before, but using the forum search for the word 'M1' pulled back no hits, which surprised the hell out of me. Anywa…

    ... one of my Spectrums! The IF1 I have works with one ...
    Marcelo Marcelo April 2007 Hardware
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... ---/__/
    [/code]In the schematic above, the XOR/XNOR gates ... [/B]. The two in the schematic, [B]Ax[/B] and [B ...
    Marcelo Marcelo April 2007 Hardware
  • "Lost" 48K expansionToday I dug up my Speccy after more than 10yrs of inactivity. I bought it as a 16K in 1983, than I had expanded to 48K and never had problem. Until t…

    ... need to look at the schematic to determine which chip holds ...
    Winston Winston April 2007 Hardware
  • Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…

    I'm looking at the schematic. It seems related to
    ... that this piece of the schematic do the RAM refresh, but ...
    Zup Zup April 2007 Hardware
  • Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…

    ... all.

    Here is schematic of similar thing: external ROM ...
    piters piters April 2007 Hardware
  • Problem with my speccy 48+My machine boots up but apon booting it freezes and you can see feint grey horizontal 1 pixel lines going down the screen. Is this fixable at all?

    ... the machine (refer to the schematic for your particular motherboard to ...
    Winston Winston April 2007 Hardware
  • Speccy 128Im looking to buy a speccy 128 (pref the original sinclair model (even better with the additional keypad)) to replace my broken 48+. I dont have a jo…

    ... my microdrive connected via the IF1 interface and it says microdrive ...
    RND RND April 2007 Wanted
  • Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…

    If you're making the interface's schematic and the ROM's code public for free, then count me in as well. I'll make one myself.

    Thanks,
    Marcelo.
    Marcelo Marcelo April 2007 Hardware
  • Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…

    ... 're making the interface's schematic and the ROM's code ...
    Winston Winston April 2007 Hardware
  • Twister - original TZXWhat emulator can load this TZX version game? [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0005488[/url]

    ... />
    Standard rubbery 48K with IF1 (but later I removed it ...
    Marcelo Marcelo April 2007 Games
  • Spectrum On-line Gaming.Are there any emulators capable of 2-player gaming over the net? Or has there been any attempts to create such a thing in the past? I have SNES & Me…

    I think RealSpectrum has limited IF1 network emulation, but it's ...
    jonathan jonathan April 2007 Emulators
  • New Spectrum projectsI know that someone started a topic very similar long ago ( I think It was Tony), but its been a while since it was replied, so It would be nice if e…

    ... data types, networking games with if1. Although when these get done ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • Disassemblers and RSTsI think this is a longshot, but... is anybody aware of a disassembler that handles the Interface One RSTs? e.g. RST $10 DEFW $0020. Cheers

    ... been able to patch some IF1 ROM calls...

    [CODE ... /> ; Published version only suitable for IF1 Rom v1
    ;
    ; This ... version fixed to work with IF1 ROM v2 only
    ;
    jp jp April 2007 Development
  • ZXSpin 0.62 Available nowAs promised (and only a [i]little[/i] past the deadline) here is the latest version of ZXSpin. Many bugs have been fixed, and a few new features add…

    ... ]
    Is the network from IF1 functional, can you connect 2 ...
    Dunny Dunny April 2007 Emulators
  • The Opus Discovery 1 Disk drive or would consider a Microdrive and interface wanted[FONT="Comic Sans MS"]Hi I believe that this disk drive was made and built for the spectrum,i am willing to pay a good amount for one that works and …

    ... ) much better than Opus and IF1 MDrive put together.

    dekh dekh April 2007 Wanted
  • Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…

    ... />
    Additionally, details of the IF1 network and RS232 ports are ...
    glancaster glancaster April 2007 Hardware
  • +2b not working with interface1i was trying to transfer some of my programs from my microdrive carts onto tapes last night, but found both my 48k and my toast rack 128K have decide…

    ... and try to get the IF1 working with it.
    looks ...
    madvanman madvanman May 2007 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    [QUOTE=zub;189166]
    Was it an exact clone? I can see a reference to "Kempston Joystick" so perhaps not? :)[/QUOTE]

    If you read the schematic you see there is no joystick port or expansion port. No need to read Russian for that ! ;)
    Gods Gods May 2007 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... 's extremely simple. It's schematic is even more simple. It ...
    Sonic Sonic May 2007 Hardware
  • +2b not working with interface1i was trying to transfer some of my programs from my microdrive carts onto tapes last night, but found both my 48k and my toast rack 128K have decide…

    ... a little circuit to disable IF1 until its in 48k mode ...
    madvanman madvanman May 2007 Hardware
  • +2b not working with interface1i was trying to transfer some of my programs from my microdrive carts onto tapes last night, but found both my 48k and my toast rack 128K have decide…

    ... a little circuit to disable IF1 until its in 48k mode ...
    Sonic Sonic May 2007 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... be generated from a usual schematic. In this case i would ... start from this Leningrad-1 schematic, with modified I/O space ...
    Sonic Sonic May 2007 Hardware
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... be generated from a usual schematic. In this case i would ... start from this Leningrad-1 schematic, with modified I/O space ...
    Gods Gods May 2007 Hardware
  • TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …

    ... lot I have a cart schematic designed by Alvin Albrecht. The ... are long gone, but the schematic survives - I just need to ...
    jboatno4 jboatno4 May 2007 Hardware
<1…15161718192021…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

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