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<1234567…34>
  • Emulator AY/YM sound chip on AVR (ATMega8,ATmega16,ATmega32,ATmega8515).[url]http://zx.pk.ru/showthread.php?t=10510[/url] Latest version - [url]http://www.vector06c.narod.ru/emul.html[/url] (last link) P.S. Emulator bas…

    [url]http://zx.pk.ru/showthread.php?t=10510[/url]

    Latest version - [url]http://www.vector06c.narod.ru/emul.html[/url] (last link)

    P.S. Emulator based on ATMega8 not supported read AY/YM registers (It actual only for demos).
    fan fan December 2009 Hardware
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... the frequency of the tone is given by ... two registers, which are AY chip registers. You access this registers using ... commands you load various registers controlling the channels, noise ... Z to get a tone) and you really ... one of the AY's registers (which are just ...
    cyborg cyborg November 2002 Sinclair Miscellaneous
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... /a mode (so that the tone registers don't fiddle with the ... amount of difference if the AY emulation is accurate enough.
    AY output? I'm also slightly ... constants from - I have an AY datasheet but no meantion of ...
    cyborg cyborg March 2004 Sinclair Miscellaneous
  • Noise channels on AY-3-8912?I'm trying to reproduce a tune that's a jazzed-up version of classical music - i.e. there are drum beats all over the place, to try and mask the low …

    ... from a pure tone that rapidly descends in tone.[/QUOTE]
    < ... in principle, unless the AY data registers are updated more than 50 ... important could interrupt a busy tone channel, and the music data ... which one of the three tone channels could be interrupted at ...
    ajmoss ajmoss May 2010 Hardware
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... /a mode (so that the tone registers don't fiddle with the ...
    Alcoholics Anonymous Alcoholics Anonymous March 2004 Sinclair Miscellaneous
  • Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…

    ... sound[/quote]

    AY - change registers a lot.
    Beeper - change ...
    cyborg cyborg July 2004 Development
  • Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…

    ... sound
    [quote]
    AY - change registers a lot.
    Beeper - change ...
    ekoman ekoman July 2004 Development
  • SENDING beeper music from Z80 to AY?Hello. According to [url]http://z80.e-demo.pl/[/url] Z80 sends music-data to ULA (the 1-bit transducer). I was wondering if it's possible to send…

    ... think that playing beeper on AY shall be possible. Simplest thing ... set mixer reg. to disable tone generators, set volume of e ... player routine to play 5kHz tone ==> @ sample rate of ... bit different story, it combines AY tone generator with software PWM on ...
    omega omega April 2008 Sinclair Miscellaneous
  • SENDING beeper music from Z80 to AY?Hello. According to [url]http://z80.e-demo.pl/[/url] Z80 sends music-data to ULA (the 1-bit transducer). I was wondering if it's possible to send…

    ... bit different story, it combines AY tone generator with software PWM on ... more interested in software multiplying AY's channels (like in Gasman ...
    Mister Beep Mister Beep April 2008 Sinclair Miscellaneous
  • Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …

    ... on sending data to the AY would be minimal, am I ... ZX which attempted to mix AY tone with beeper (a little) is ... games used one device for tone only, and other for drums ...
    Shiru Shiru July 2010 Announcements
  • AY Magic version for ZX81 was bornModified Ay magic ,my previous interface for zx48. On board, ay chip based on Zonx interface but with stereo output and rampack 16 or 32 kilo on boa…

    ... interesting) is actually for an AY clocked at 3.25Mhz/2 ... + chp_ornptr), hl

    ; select AY tone table
    xor a ; 1 ... a, 3 ; 1.75Mhz (half tone lower)
    rla
    and ...
    chev chev May 2011 Hardware
  • Speccy 2010 UpdateI've made myself a to Speccy 2010. In addition to TurboSound (2xAY) it adds SounDrive and Covox support. Supported modes are SounDrive Mode 1, SounDr…

    ... are three differences between the AY and YM:

    ... is the explanation for your AY interface which plays everything an ... be accessed through the normal AY volume registers, which are still only ... 16 steps, which is the AY-like behaviour - even though the ...
    gasman gasman October 2011 Announcements
  • Speccy 2010 UpdateI've made myself a to Speccy 2010. In addition to TurboSound (2xAY) it adds SounDrive and Covox support. Supported modes are SounDrive Mode 1, SounDr…

    ... accessed through the normal AY volume registers, which are still only ... AY_Emul and compare the AY and YM outputs. On ... *****************
    Yes, the difference between AY and YM 'driven' by Spectrum ... Much bigger difference is between AY sitting in ZX and YM ...
    Yerzmyey Yerzmyey October 2011 Announcements
  • A table of AY frequenciesHi friends, Simple request I hope; does anyone have source for a table of note frequencies on the AY chip as used in the Spectrum 128? I had a loo…

    ... value of the sound generator tone registers for a given note.
    goodboy goodboy January 2019 Development
  • +3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…

    ... into a few of the AY’s registers. Have you looked at ... the audio output pins of the AY ... issues here. Might be the AY chip as well as one ...
    Ast_A_Moore Ast_A_Moore May 2019 Hardware
  • Reading AY registersCan anyone with a real machine confirm or deny the statements referenced in this [url="http://sourceforge.net/tracker/index.php?func=detail&aid=91120…

    ... reading values from the AY-3-8912's registers (and/or for ...
    Philip Kendall Philip Kendall March 2004 Emulators
  • How to read AY Registers from M/C?Gentlemen, I will appreciate if you can provide me some details on this, as I could not find info in other sources. I would like to know if it's pos…

    ... possible, and how, to read AY-Registers like the mixer. I tried ...
    worldxxisoft worldxxisoft June 2008 Development
  • Restoring AY registersAfter doing (not still finished) the sna to tap converter, I'm going to try to do the same for 128k snapshots. I've got threee ideas about what to do…

    ...
    [b]2.- Load AY registers but hidden:[/b]
    Same ... but the contents of AY registers would be hidden in ... />
    [b]3.- Load AY registers on screen:[/b]
    Same ... before restoring CPU registers).

    AY registers would be "out ...
    Zup Zup April 2018 Development
  • AY musicThis is a format I'm proposing for an AY music player. If anyone can see any problems or anywhere it can be improved please say so. An AY music form…

    ... so.

    An AY music format
    ------------------
    ... 2 Envelope Control - 4bit AY envelope waveform 1 byte coarse ... control - Selects a AY instrument
    3 Envelope ... />
    Example:

    Tone D4Ah
    Instrument 1100b 00h ...
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • "Floating" AY registersWhile I was working on some AY sample-related stuff, it occurred to me that with the AY port not being completely decoded, it would be a handy CPU-ti…

    ... was working on some AY sample-related stuff, it ... me that with the AY port not being ... (C),B to select AY register 8... provided that ... treat these as ordinary AY register accesses modulo 16, ... />
    Incidentally, the AY data sheet I have kicking ...
    gasman gasman December 2008 Hardware
  • Noise channels on AY-3-8912?I'm trying to reproduce a tune that's a jazzed-up version of classical music - i.e. there are drum beats all over the place, to try and mask the low …

    ... the noise channels in the AY-3-8912 sound chip.
    tone channel, and take the channel ... drum frequency to an existing tone (musical note) whenever possible, otherwise ...
    ajmoss ajmoss May 2010 Hardware
  • AY DetectionOff the top of their heads, does anyone know how Exolon detects that an AY chip is present? Reading and writing from the PSG registers seems to work…

    ... how Exolon detects that an AY chip is present?

    registers seems to work okay for ... refuses to play with my AY.

    Running Fuse (128K ... seen, works fine. Exolon plays AY music.

    Not so ...
    csmith csmith July 2011 Emulators
  • AY-interface for ZX81 (at last ;) )Hi, it exists finally ;) - compatible with the most standard one - ZonX. [url]http://www.sellmyretro.com/offer/details/Brand_New_Sinclair_ZX81_MrX_A…

    ... and other software.
    ?The AY Sound Design Tool - this allows ... the frequency, volume and mixing (tone and noise) for each of ... ZXpand Sound Player - simply copy AY files (PT3 format files) into ... playing sounds direct to the AY interface, using BASIC
    ...
    Yerzmyey Yerzmyey February 2012 Hardware
  • AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…

    ... ) of AY-3-8912 frequency
    3) Tone frequency is ... 1/(16*tone_period) of AY-3-8912 ... one of the three tone generators and of the ... This means that if both tone and noise are disabled, ... Other information are in the AY-3-8912 manual (30 ...
    Oibaf Oibaf June 2012 Emulators
  • Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…

    ... p)
    {
    // IN: p = tone number, 12 bits
    #asm ... />
    [CODE]
    ////////////////////////////////
    // //
    // AY-lib Demo //
    // //
    // Timmy ...
    Timmy Timmy August 2012 Development
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... ZX Spectrum machines!

    Ay Real Time Synth!!!


    1) 3 tone channels on / off and noise ... be the target:

    Ay driver ( real good control of ...
    DaRkHoRaCe DaRkHoRaCe November 2012 Development
  • New version Emulator ZEsarUX-1.0Hi I have uploaded a new version of my Spectrum/ZX80/ZX81 emulator. This is a major stable version, with real timing for all the models and with hi-…

    ... to view CPU & ULA registers
    Added option to save ... some bugs with AY Chip (high envelope frequency, tone&noise behaviour ...
    chernandezba chernandezba May 2014 Emulators
  • No AY sound from online emulatorsI've writing an app that makes sound using the AY. I have a simple update mechanism that works like this: 1. During a frame, I write values to a b…

    ... that makes sound using the AY. I have a simple update ... of memory that mirrors the AY eegister layout (ay_regs)
    2 ... , copy that to the actual AY registers (do_update_ay)

    Now.. this ...
    evilpaul evilpaul June 2020 Development
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  • Reading AY registersCan anyone with a real machine confirm or deny the statements referenced in this [url="http://sourceforge.net/tracker/index.php?func=detail&amp;aid=9…
  • How to read AY Registers from M/C?Gentlemen, <br /> I will appreciate if you can provide me some details on this, as I could not find info in other sources. I would like to know if it…
  • "Floating" AY registersWhile I was working on some AY sample-related stuff, it occurred to me that with the AY port not being completely decoded, it would be a handy CPU-ti…
  • ZX81, AY, samples, SpecAY, AY files, etc.With the appearance of 3 different AY interfaces for the ZX81 in the past 6 months, I wonder...<br /> <br /> Is it possible to make the ZX81 "speak" …
  • Restoring AY registersAfter doing (not still finished) the sna to tap converter, I'm going to try to do the same for 128k snapshots. I've got threee ideas about what to do…
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