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<1234567…20>
  • New ZX Spectrum hardware with ArduinoHi to all. I've found this on youtube. [url]http://www.youtube.com/watch?v=OMHHiOsMQu0[/url] Which other adapter/ peripherals are possible to creat…

    ... create for our Spectrums using ARDUINO?
    Thank you very much ...
    DaRkHoRaCe DaRkHoRaCe December 2012 Hardware
  • Ziloghino - Arduino like Z80 systemHi, I found this board on Kickstarter, the Ziloghuino. It's an Arduino like Z80 system extensible with hardware shields. With some effort maybe s…

    ... , the Ziloghuino. It's an Arduino like Z80 system extensible with ...
    GNF GNF July 2015 Hardware
  • arduino shield of FM musicThe is a cool project running on Kickstarter at the moment. It will finish soon (a few hours remaining), and might not be fund because less than 900 …

    ... , Mac, Linux) editor and an Arduino library.

    The project ... -multitimbral-fm-synthesizer-shield-for-arduino/description
    farvardin farvardin March 2016 Chit chat
  • Arduino ZX-ish VGA libraryHi, I'm developing a new arduino library that uses the color attribute model from the ZX Spectrum. More information at : https://github.com/ajc…

    Hi,

    I'm developing a new arduino library that uses the color attribute model from the ZX Spectrum.

    More information at : https://github.com/ajcasado/ardvga
    ajcasado ajcasado June 2018 Sinclair Miscellaneous
  • is a arduino uno / nano fast enough to talk to a specie ?my current project is to load games onto the specie via SD card / Arduino uno / nano although i suspect that the micro controller will not be able to…

    ... the specie via SD card / Arduino uno / nano although i suspect ... have managed to get the arduino to send out bytes to ... put some code into the Arduino so that it would only ...
    mark8bit mark8bit April 2022 Hardware
  • ZX PC InterfaceZX &lt;-> PC Interface Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Installation 2.1) The softwa…

    ... to 5V and also to /ROMCS. This is used to switch ...
    Dr BEEP Dr BEEP January 2003 Announcements
  • Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…

    ... disable all onboard memory - like ROMCS but for the whole memory ...
    Jonathan Harston Jonathan Harston June 2007 Hardware
  • A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…

    ... check the state of ROMCS before nailing the signal ... first device to nail ROMCS. The other device just ... checking and then hold ROMCS high, so the two ... daisy chain, that is, ROMCS passes through some logic ... way of handling the ROMCS line so that two peripherals ...
    Winston Winston October 2007 Hardware
  • It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…

    ... interest active, I immediately grab ROMCS, and hold A15 high. ... prevent the brief glitch (on ROMCS/A15OUT) that would otherwise occur ... MREQ went low before grabbing ROMCS and asserting A15OUT high ( ... an instruction fetch, the ROMCS/A15OUT latch isn't released ...
    Winston Winston December 2007 Hardware
  • Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…

    ... , so I cannot blame on ROMCS pin.

    The logic ... others, of course) to raise ROMCS and let the interface to ...
    mcleod_ideafix mcleod_ideafix June 2008 Hardware
  • Schematic error.. (?)Hi, I was browsing this page: [URL="http://microhobby.speccy.cz/150203/hardware/bus.html"]http://microhobby.speccy.cz/150203/hardware/bus.html[/URL]…

    ... on the pin of the ROMCS (25B) but on the picture ...
    xc8 xc8 September 2009 Hardware
  • winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…

    ... and moved the reset and romcs as per the pinout. ... without romcs connected, the board does ... LED's, but with ROMCS connected the speccy will not ... mad. seems like the ROMCS signal is jumping all over ... 2N3802 fets to drive the ROMCS line. Do you know ...
    nuggetreggae nuggetreggae November 2009 Hardware
  • winston's diagnostics boardHi there Mr Winston I don't know if you remember I posted about your diagnostics board earlier and how i used a 7404 instead of the 2 mosfets, well I…

    ... using a mosfet on the ROMCS line I used a 2N3906 ... couple of diodes on the ROMCS lines and hitting the two ...
    nuggetreggae nuggetreggae December 2009 Hardware
  • DIVIDE PLUS - ZX bus protectorI make new ZX BUS PROTECTOR for use with DIVIDE PLUS interface. This is very small "convertor" for connection to new ZX BUS connector. PCB contain on…

    ... use external memory)

    - ROMCS and both ROMOE signals on ...
    velesoft velesoft November 2010 Hardware
  • Shadow ROM partial decoding not implemented in emulatorsOr at least, not implemented in Spectaculator, and it seems that not in Fuse too. [URL="http://www.speccy.org/foro/viewtopic.php?f=8&t=408&start=53"…

    ... , because as he argumented, the ROMCS line doesn't page off ...
    mcleod_ideafix mcleod_ideafix June 2011 Emulators
  • Ultrachip chip music festival - Edinburgh, 19-20 August[img]http://www.cmptrllr.co.uk/wp-content/uploads/2011/07/ultrachip-2011-2x.png[/img] [url=http://www.ultrachip.co.uk/][b]Ultrachip 2011[/b][/url] i…

    ... blog post about the mysterious Arduino-powered black box (with blinky ...
    gasman gasman July 2011 Announcements
  • Switching peripherals on and offis there a way in which i can add a switch to switch off peripherals and switch another one on i.e. Multiface, DivIDE etc? Can i add it on the NMI o…

    ... it on the NMI or ROMCS lines on a 48k Spectrum ... as they dont have a ROMCS line.
    i dont want ...
    reanimator reanimator August 2011 Hardware
  • The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…

    ... might be possible with some Arduino-platform but was beyond my ...
    Volker Volker March 2012 Emulators
  • New AY Stuff?[url]http://hackaday.com/2012/04/10/playing-chiptunes-with-a-ym2149-and-optimizing-an-arduino/[/url] Maybe is usefull for someone.

    [url]http://hackaday.com/2012/04/10/playing-chiptunes-with-a-ym2149-and-optimizing-an-arduino/[/url]

    Maybe is usefull for someone.
    DaRkHoRaCe DaRkHoRaCe April 2012 Hardware
  • ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …

    ... M1 starts i can switch ROMCS
    and deactivate my NMI ... . So, this way ROMCS switch in between instruction fetches ... /> The problem here is that ROMCS must be changed very fast ... ,
    wait for BUSACK, change ROMCS, deactivate BUSREQ, wait for M1 ...
    ArtemKuchin ArtemKuchin April 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... , the ROM itself combines the /ROMCS and /MREQ signals to form ... /MREQ must be combined externally. (/ROMCS is generated by the ULA ... must be generated by combining /ROMCS and /MREQ. This is done ... other words the product of /ROMCS + /MREQ.

    4. Solder ...
    Winston Winston August 2012 Hardware
  • ZX Breakout availabilityOK - after much procrastination, this board is now available! Details on the board are here: - [url]http://spectrum.alioth.net/doc/index.php/ZX_Bre…

    ... ), a 3.3v regulator and ROMCS mechanism.

    [b]Errata ... cockup on my behalf, the ROMCS circuit is wrong for the ... . If you don't need ROMCS on a +3, then just ... 've not tested anything. The ROMCS circuit works fine with a ...
    Winston Winston January 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... software, fuse emulator, etc)
    -Arduino and something like this could ...
    Severino Severino February 2013 Hardware
  • Diag rom works cartridge on +2A/+2B/+3I'm not sure anyone has tested this before: using the diag rom (Paul Farrows) on a +2A/+2B/+3. I had a +2A with a problem, so I wanted to use the di…

    ... laying around, which put the /ROMCS signal on both /ROM1 and ...
    bverstee bverstee September 2013 Hardware
  • ROM replacement using 28C256 EEPROMThought I'd share a quick project I knocked up in order to use a 28C256 EEPROM in place of the standard 23128 ROM in the Spectrum. The connections a…

    ... gate to combine /MREQ and /ROMCS, which I then feed to ...
    balford balford December 2013 Hardware
  • Edge Connector InformationHi Everyone, Hope I'm posting in the correct forum. I've recently been playing with an Arduino and got to thinking it would be fab if I could do so…

    ... recently been playing with an Arduino and got to thinking it ... context I believe that the Arduino can supply a maximum of ...
    KrazyKattapilla KrazyKattapilla April 2014 Hardware
  • Great to be back....and with fun to comeHi all, 1982: I bought a new 16k issue 2 in 1982, eventually got microdrives and a dktronics keyboard (version 1). Built a home made eprom programme…

    ... working quite a lot with Arduino's and thus have learned ... recently designed & built an Arduino controlled digital bench power supply ...
    IanJ IanJ August 2014 Announcements
  • BBC Micro BitThe BBC Micro Bit - somewhere between Arduino and RPi. Vaguely remember this passing through here, but couldn't find the relevant thread(s). Anywa…

    ... BBC Micro Bit - somewhere between Arduino and RPi.

    Vaguely ...
    RetroTechie RetroTechie July 2015 Sinclair Miscellaneous
  • Spectrum USB KeyboardI know you can buy these but how do you make one . What I am thinking of be similar to the type described in Issue 1352 of Micro Mart at page 45 .The…

    ... USB pcb . Is this an Arduino variant or the Leonardo ? I ...
    harriusherbartio harriusherbartio August 2015 Hardware
  • Recreated ZX Spectrum thoughtsI have a recreated ZX Spectrum (and a Vega and a 48K with SMART) and while I know it is not well regarded I actually quite like it. The app is "ok" a…

    ... from the keyboard using either Arduino with BT or the debugger ...
    Tucker Tucker November 2015 Sinclair Miscellaneous
<1234567…20>

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Related Threads

  • New ZX Spectrum hardware with ArduinoHi to all. I've found this on youtube.<br /> <br /> [url]http://www.youtube.com/watch?v=OMHHiOsMQu0[/url]<br /> <br /> Which other adapter/ periphera…
  • Ziloghino - Arduino like Z80 systemHi,<br /> <br /> I found this board on Kickstarter, the Ziloghuino. It's an Arduino like Z80 system extensible with hardware shields.<br /> With s…
  • arduino shield of FM musicThe is a cool project running on Kickstarter at the moment. It will finish soon (a few hours remaining), and might not be fund because less than 900 …
  • Arduino ZX-ish VGA libraryHi,<br /> <br /> I'm developing a new arduino library that uses the color attribute model from the ZX Spectrum.<br /> <br /> More information at …
  • Raspberry Pi and Arduino Projects.All,<br /> So at my work I've just joined a learning community for micro computer and micro controller learning community. for this I recent…
  • is a arduino uno / nano fast enough to talk to a specie ?my current project is to load games onto the specie via SD card / Arduino uno / nano although i suspect that the micro controller will not be able to…

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