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<1234567…34>
  • IF1 and IO portsThe Interface used 3 Z80 IO ports to communicate to it s devices #E7- Microdrive data #EF- Status and control #F7- RS232/Network What I'm looking…

    The Interface used 3 Z80 IO ports to communicate to it s ... because with out knowing what ports are for, there little to ...
    john john March 2001 Sinclair Miscellaneous
  • IO Ports (Spectrum)Hi all, Working on a new Spectrum interface card I have the prototype powered up and basically working.......but I want to play with the IO addressi…

    ... with the IO addressing such that I choose ports that are ... less likely to conflict with other IO ... devices.

    I know I can't use ports ... hardware vendors and the IO ports they use so I ... />
    I need 8 ports in total, but they are ...
    IanJ IanJ August 2014 Hardware
  • List of I/O ports used by common peripherals?I remember looking at a file (just plain text, IIRC) a while back that listed all the IO ports used by various bits of Spectrum hardware, such as the…

    ... back that listed all the IO ports used by various bits of ... it include the I/O ports used by the DivIDE too ...
    Winston Winston December 2007 Hardware
  • ZEsarUX Beta 8.1Hi! I have uploaded a new ZEsarUX 8.1 BETA version. You can download compiled versions for Windows, Mac, and the source code from: https://gith…

    ... cpu history
    -get-ui-io-ports: to get keyboard state and ... press/release
    -set-ui-io-ports: to change keyboard state and ... : added defs command
    Improved AY Sheet: now you can select ... which AY Chip to show
    Improved ...
    chernandezba chernandezba November 2019 Emulators
  • ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…

    ... value types
    -get-ui-io-ports: to get keyboard state and ... press/release
    -set-ui-io-ports: to change keyboard state and ... : added defs command
    Improved AY Sheet: now you can select ... which AY Chip to show
    Improved ...
    chernandezba chernandezba February 2020 Emulators
  • Amstrad anyone ?I grew with C64 and Speccy, and still use both, but I`m curious about the Amstrad CPC464. So, comparing it to the spectrum only, what is it like ? …

    ... />
    It has an AY, uses its IO ports to drive the keyboard ...
    na_th_an na_th_an September 2011 Sinclair Miscellaneous
  • Divide 2k11Hi All, I am thinking about buying a divide 2k11. Does anyone know if there are any compatibility problems with it and: a) 128k toastrack with inter…

    [QUOTE=Encarnado;642753]It's like 128K AY/Timex 2068 in 48K mode... the hardware is there, you just need to write the code to use it.[/QUOTE]

    In fact it's pretty much identical as the Serial ports on the 128k are driven by the AY IO pins :)
    guesser guesser July 2012 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... the [color="blue"]AY-3-8192A[/color] [b]IO A [/b] port ... .

    Since [color="blue"]AY-3-8192A[/color] is identical ... quick search,[u] [color="orange"]AY-3-8190A[/color] where manufactured ... if [color="orange"]AY-3-8190A[/color] [b]IO ports[/b] work as ...
    RMartins RMartins September 2016 Hardware
  • Remapping the keyboard on WinUAE Amiga emulatorYes, I know I should be asking this a Lemon or English Amiga Forum but as I've read so far from other's posts they are either nice but too techy to u…

    ... settings in the 'Game and IO ports' page? If so what settings ...
    Jumping Stack Jumping Stack March 2009 Chit chat
  • My z80 computer nearly thereI have nearly built my own one :D Below is the 3D look of it made using eagle 3D (it takes the PCB and makes it look awesomefied) [URL=http://uplo…

    ... pin headers are the different IO ports, with each row of pin ... headers containing two ports, so the first one has ... register selects and require two ports, so this way, only one ...
    Robin Robin September 2011 Chit chat
  • ZX-2-PC Interface continue...A couple of months ago I started to built an interface for less then ? 5,00 which should communicate to the PC on a high speed. Yesterday I managed t…

    ... MC code to read the IO ports? Or is there a way ...
    paul paul February 2002 Hardware
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ... , but also any registers/memory/IO ports etc. altered by them. We ...
    Marko Marko August 2003 Sinclair Miscellaneous
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ... , but also any registers/memory/IO ports etc. altered by them. We ...
    +CotL-DS +CotL-DS August 2003 Sinclair Miscellaneous
  • 2007, and still no NIC and browser for the Speccy?I've started to read all the w.o.s. threads, starting by the ones that came up with the search function, using the keywords of the topics that intere…

    ... NIC and an ISA multi-IO card connected to a + ... had a dozen or so IO ports on the speccy mapped ... to the standard PC IO ports on the NIC and ... both the RS232 and Parallel ports from the speccy. I ... code, and several spare IO pins for connection to other ...
    dtl dtl February 2007 Development
  • Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…

    ... device with 3 8 bit ports) you can define the data ... /> The interface MB02+ (FDD, HDD, IO-Ports) contains the same PIO hardware ...
    ingo ingo October 2007 Hardware
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... board doesn't use IORQ (IO ports) to operate, but instead uses ...
    Phu Phu August 2008 Hardware
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... model for the new ula io ports. Not necessary if we use ...
    csmith csmith November 2009 Emulators
  • KemPAY Interface for ZXHello everyone, ZX fans I comitted a new interface for ZX spectrum. It`s idea is not new but design and funcionality brings a little bit of freshnes…

    ... switch would have to change AY's ports into exact standard of ... TurboSound's second AY.
    Then there ...
    Mister Beep Mister Beep February 2010 Hardware
  • Playing AY sounds with BASIC.Is it possible? If so how? I've seen in one forum a while back mention of using interrupts to play but AFAIK this is machine code only. The goal of …

    ... just write values to the AY data ports using OUT. It works ... www.mojontwins.com/warehouse/simple-ay-sfx-from-basic.z80[/ ... write proper values to the ports. You can modify the above ... out easily.

    [code]AY REGISTERS

    0 Channel ...
    na_th_an na_th_an May 2010 Sinclair Basic
  • 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…

    ... data (to be set via IO ports?). Easy to understand for programmers ...
    RetroTechie RetroTechie January 2011 Hardware
  • Is this the infamous Dead CockroachCan anyone help me. I have an issue two spectrum that I want to list on ebay, but I want to know if this has the dead cockroach ULA fix. I would have…

    ... lower memory and addressing lower IO ports, and halted the Z80 in ...
    roko roko March 2011 Hardware
  • I/O port adress map of Spectrum and interfacesI'm looking for an adress map of all the used and unused I/O ports for the ZX-Spectrum. Many years ago I designed an I/O board for the Spectrum that…

    Can I ask what it's for? Robotic control or something? 16 is rather a lot of IO ports heh.
    guesser guesser April 2012 Hardware
  • Spectaculator: Com port bug?I just bought Spectaculator yesterday but probably erred as the one feature it has that no other emulator has is the ability to use COM ports with an…

    ... .com/en-us/library/system.io.ports.serialport.aspx"].Net C# SerialPort ...
    Korinel Korinel April 2012 Emulators
  • Spectaculator: Com port bug?I just bought Spectaculator yesterday but probably erred as the one feature it has that no other emulator has is the ability to use COM ports with an…

    ... .com/en-us/library/system.io.ports.serialport.aspx"].Net C# SerialPort ...
    BloodBaz BloodBaz May 2012 Emulators
  • SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]

    ...
    The Kempston Mouse uses IO ports $FADF, $FBDF and $FFDF. So ... The SPECTRA interface filters all IO requests for port $7FDF ... to 1 when performing an IO operation. Existing software drivers ... and happily coexist without IO conflicts with all current ...
    Fruitcake Fruitcake August 2012 Sinclair Miscellaneous
  • maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …

    ... .
    This would need two IO ports really, the one that you ...
    guesser guesser February 2013 Hardware
  • maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …

    ... .
    This would need two IO ports really, the one that you ...
    Knik Knik February 2013 Hardware
  • DIVMMC, a new compact interface for ZX SpectrumAfter a long gestation period and a short period of testing, Mario Prato, member of the Italian [URL="http://apuliaretrocomputing.wordpress.com/"]Apu…

    ... not already on the same IO ports. If the latter it's ...
    guesser guesser May 2013 Hardware
  • DIVMMC, a new compact interface for ZX SpectrumAfter a long gestation period and a short period of testing, Mario Prato, member of the Italian [URL="http://apuliaretrocomputing.wordpress.com/"]Apu…

    ... not already on the same IO ports. If the latter it's ...
    velesoft velesoft May 2013 Hardware
  • Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…

    ... reduce the number of ZXI IO ports Prism uses!
    JeffB JeffB July 2013 Development
<1234567…34>

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