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<1…16171819202122…34>
  • Writing to MIC portSo I had a new crazy idea: How about a stereo beeper engine? Since we can set bit 3 on port $fe to output to MIC, writing such an engine should be ra…

    ... ıthout usıng an exteral AY ınterface.[/QUOTE]

    Well ... music demos for ZX81 without AY (made one myself last year ... . Somehow addressing the i/o ports on Zeddy is very quirky ...
    utz utz August 2013 Development
  • New audio interfaces.I heard that gasman and someone else had to release two new input interfaces for spectrum+AY : a theremin interface and something else I can't rememb…

    ... ?
    Will the three midi ports be enough?
    [/quote]
    AY chip of my 128K +2A ... )

    Anyway, playing the AY chip with my keyboard is ...
    DaRkHoRaCe DaRkHoRaCe August 2013 Announcements
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    The simplest way to tell the ULA 128s apart from the ASIC 128s is to do some AY I/O. On the unmodified ULA machines all I/O is contended. On the ASIC machines only the ASIC ports are contended.
    chev chev September 2013 Development
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    ... 128s is to do some AY I/O. On the unmodified ... ASIC machines only the ASIC ports are contended.[/QUOTE]
    Yes ...
    introspec introspec September 2013 Development
  • Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…

    ... to know if the AY chip is present, and ... m only doing hypothesis ) for AY chip.

    What ... about if the AY chip is inside an external ... AY interfaces like the Fuller Box that run on non-standard ports ... - if there's an AY chip, it will play. ...
    gasman gasman September 2013 Development
  • Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…

    ... AY interfaces like the Fuller Box that run on non-standard ports ... routine - if there's an AY chip, it will play. If ...
    DaRkHoRaCe DaRkHoRaCe September 2013 Development
  • SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…

    ... /> [*]AY silenced on BASIC report.
    [*]AY supported on Timex and 128 ports ... .
    [*]AY-3-891x support: SOUND 1 ...
    chev chev October 2013 Sinclair Basic
  • New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…

    ... collision with kempston mouse ports. All existing ZX software ... full 8bit adr. of ports for kempston joy and ... readable also on other 8bit ports with A7=0...
    ports = AY interface and second port ... is collision between external AY port 95 and ...
    velesoft velesoft October 2013 Hardware
  • New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…

    ... work without modifications. D/A ports on my interface will reconfigurable ... 1x per interrupt (similar as AY).
    velesoft velesoft October 2013 Hardware
  • Anyone identify this hardware?[url=http://postimage.org/image/8u4yputfv/][img]http://s9.postimage.org/8u4yputfv/P041112_13_21.jpg[/img][/url] [url=http://postimage.org/image/4z661…

    Obviously, mate. The parallel IO controller can be anything.
    ... of the connector in "printer ports" is arranged in such a ...
    skagon skagon November 2013 Hardware
  • Homebrew ZX Spectrum kits for DIY builders !Hi. I'm considering selling Homebrew ZX Spectrum kits on ebay... hopefully at a low price ! They'd consist of : Z84C0020PEC Z80 CPU …

    ... .0
    AY-3-8910 PSG (with two parallel ports) DIP $2 ...
    lezanderson lezanderson December 2013 Hardware
  • Which Emulator supports Betadisk48?Hi out there and happy new year, I'm looking for an emulator to run with my vision1.7 trdos-rom in 48 mode. Unfortunately most emus only support Bet…

    ... about hiding the I/O ports). It may be useful as ... a MF1 to include the AY routines from the 128K version ... interrupts.

    F.5) PORTS OF ENTRY AND EXIT:
    ports are visible (off by default ...
    Jmk Jmk January 2014 Emulators
  • Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…

    ... speeds anyway. For an AY music library what I' ... implementation of the new ay library for the z88dk ... bones. Another complication with AY libraries across platforms is ... that the AY chip usually can also ... use the same ports as the AY music you could ...
    Timmy Timmy January 2014 Announcements
  • SAMPLE-TRACKER vast INSTRUCTION with screensHi, I wrote it mainly for CrashNicker and other 1-bit / Beeper users, but I suppose it could be also useful for every lo-fi musician (YM/AY chip, Co…

    ... mean it detects writing to AY ports, which would confirm your ... so its obviously not conventional AY playing there... It also objectively ... sounds different from the AY chip mode so something ... that, who knows... The AY chip and the Speaker option ...
    kgmcneil kgmcneil January 2014 Sinclair Miscellaneous
  • SAMPLE-TRACKER vast INSTRUCTION with screensHi, I wrote it mainly for CrashNicker and other 1-bit / Beeper users, but I suppose it could be also useful for every lo-fi musician (YM/AY chip, Co…

    ... that it is likely the AY version of ST player, POKEd ... the beeper, and w/e ports these other devices use. If ... the port used for internal AY register selection (it doesn't ...
    Hikaru Hikaru January 2014 Sinclair Miscellaneous
  • SAMPLE-TRACKER vast INSTRUCTION with screensHi, I wrote it mainly for CrashNicker and other 1-bit / Beeper users, but I suppose it could be also useful for every lo-fi musician (YM/AY chip, Co…

    ... Excess for GS,SD,Covox,AY,Beeper
    > - Sample Tracker ... by CBM & Oldman for AY, beeper, Covox
    --------------
    Surely ... Alone Coder for SD,Covox,AY" is a good choise for ... (and probably was) on different ports than the classic Russian Covox ...
    Mister Beep Mister Beep January 2014 Sinclair Miscellaneous
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... the program throws anything at ports $1ffd or $7ffd, it will ... crash.
    - AY won't be locked.
    Zup Zup February 2014 Development
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... the program throws anything at ports $1ffd or $7ffd, it will ... crash.
    - AY won't be locked.
    Speccy_James Speccy_James February 2014 Development
  • I dusted my Timex Sinclair 2068 :)Finally I dusted my TIMEX SINCLAIR 2068. It is a very rare ZX Spectrum 48K clone, coming from America. [img]http://mister_beep.republika.pl/ts2068.…

    This is good stuff, thank you.
    Nowadays some of us don't get impressed so easily, but if this was 1984 everyone would've been amazed at what we can do today.

    The TS2068 also has a built-in AY chip. You just have to change the ports. :)
    zxbruno zxbruno March 2014 Sinclair Miscellaneous
  • PC to +3 communicationsHi I'm going to explore the abilities of my +3 to communicate with a PC. The "natural" ways to do that would be via serial or parallel link. I've b…

    ... about assembler programming of RS232 ports. Also, I don't ... I/O register on the AY chip. You read and write ... the other registers on the AY iirc. There's no UART ... the 5v logic signals the AY uses and the +/- 12v ... two driver chips;
    [CODE]AY I/O Bit 0 -> ...
    guesser guesser March 2014 Hardware
  • Learning Machine Code the +2a wayHello again all, I thought I'd ask in this forum as the other categories seem less relevant. I keep re-reading the thread below with the advice given…

    ... bit of background on those ports which might clarify things :)
    AY chip, with level converters to ...
    guesser guesser April 2014 Sinclair Basic
  • Fuller AY only gamesThe definitive list: 1) Demonstration Tape 2) Bodysnatchas 3) Star Bike

    ... ;767017]What exactly is the AY Fuller?[/QUOTE]

    Fuller ... provided an AY interface for the Spectrum after ... out. It uses its own ports. It isn't synchronized to ...
    chev chev May 2014 Games
  • Fuller AY only gamesThe definitive list: 1) Demonstration Tape 2) Bodysnatchas 3) Star Bike

    ... =aowen;767025]Fuller provided an AY interface for the Spectrum after ... out. It uses its own ports. It isn't synchronized to ...
    Ivanzx Ivanzx May 2014 Games
  • RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…

    ... and RS232/MIDI ports as generic I/O ports supported via software ... code you could repurpose both ports for MIDI IN and OUT ... uses the AY I/O to provide two joystick ports. The UK2086 ... to use both the joystick ports for MIDI in/out, or ...
    chev chev May 2014 Hardware
  • RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…

    [QUOTE=1024MAK;767193]The AY sound chip used in the ... uses an AY-3-8910 with two I/O ports. I'm ... possible to use both joystick ports as bi-directional ...
    chev chev May 2014 Hardware
  • RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…

    ... uses an AY-3-8910 with two I/O ports. I'm ... to use both joystick ports as bi-directional ports.[/QUOTE]
    The ... Keypad/Aux and RS232/MIDI ports each have two input lines ... Keypad/Aux and RS232/MIDI ports can be used as serial ...
    1024MAK 1024MAK May 2014 Hardware
  • RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…

    ... Keypad/Aux and RS232/MIDI ports each have two input lines ... Keypad/Aux and RS232/MIDI ports can be used as serial ... ports, or as general purpose "digital" ports (with +12V ... are directly connected to the AY sound chip, and there are ...
    chev chev May 2014 Hardware
  • RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…

    ... are directly connected to the AY sound chip, and there ... 7. It's an AY-3-8912 chip like on ... on, the TS2068 joystick ports are being reconfigured as standard ... Sinclair joystick ports. This frees up port ... A of the AY chip for the original ...
    rga24 rga24 May 2014 Hardware
<1…16171819202122…34>

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