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<1234567…34>
  • 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…

    ... 4 if set in the amplitude register the lower bits are ignored ... 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
  • 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…

    ... 4 if set in the amplitude register the lower bits are ignored ... br /> Bit 4 of the amplitude registers (8/9/A) should ... done entirely by varying the amplitude.

    Regarding the ' ... enough for all my recent AY composition, and are explicitly placed ...
    gasman gasman March 2004 Sinclair Miscellaneous
  • ZEsarUX 9.2 Release CandidateHi! I have uploaded a new ZEsarUX Release Candidate version 9.2. The final stable version will come in a few weeks, so stay tuned! You can down…

    ... Debug action to set PC register to zero
    Added command ... border colour
    -Fixed AY chip register selection
    -Fixed CRTC interrupts ... screen mode and rom configuration" register of the Gate-Array and ...
    chernandezba chernandezba March 2021 Emulators
  • ZEsarUX v9.2 Final released - Version 9.2 - Cliff Hanger edition. 05 April 2021As seen on: https://github.com/chernandezba/zesarux/releases [quote] ZEsarUX-9.2 @chernandezba chernandezba released this 21 hours ago · 6 com…

    ... Debug action to set PC register to zero
    Added command ... border colour
    -Fixed AY chip register selection
    -Fixed CRTC interrupts ... screen mode and rom configuration" register of the Gate-Array and ...
    Luzie Luzie April 2021 Emulators
  • Mistake in the 128K technical FAQ?[url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url] [quote]Memory banks 1,3,5 and 7 are contended.[/quote] Really? I thought i…

    Quicker and easier would be to try reading from the AY [i]data[/i] port. Floating bus => 128K, same as AY [i]register[/i] port => +2A/+3. Might make debugging on some emulators harder though.
    Philip Kendall Philip Kendall April 2010 Hardware
  • DIVIDE is responsible for load failure (128k games)?Hi! For some reason when i try to load some 128k games on my spectrum +3 (from my DIVIDE) i get a reset/crash effect.. It doesnt happen to all 128k …

    ... doing some experiments with sampled AY music a while back and ... to have worked out which AY amplitude values were safe, and which ...
    guesser guesser February 2012 Hardware
  • c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…

    ... 3x192 elements volume tables (for AY, and YM), volume values of ... "SID channel" accumulated in one register, and this accumulated value used ... which is written to 3 AY volume register.

    [quote="merman ...
    Geco Geco March 2017 Announcements
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... some music for the +2 AY chip. The problem is...I ... , ie data for every concievable AY clock cycle, and also, a ... only really updates when a register is in need of changing ...
    GBNvK GBNvK January 2004 Development
  • AY MusicHi all. Happy new year! I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find a…

    ... some music for the +2 AY chip. The problem is...I ... , ie data for every concievable AY clock cycle, and also, a ... only really updates when a register is in need of changing ...
    GBNvK GBNvK January 2004 Sinclair Basic
  • .AY - how to create themI wonder - how would I go about creating an .AY file (music) from a game? I understand that once I have all the necessary pieces (the player, the mus…

    ... I go about creating an .AY file (music) from a game ... would just combine them with AY Maker. But how would I ... the code around the PC register and present it in an ...
    pepak pepak August 2005 Sinclair Miscellaneous
  • Help with creating .ayI am trying to create an .AY file for Sidewalk. Now this is the first time I am trying to do anything like this, so please bear with me. Using Spin's…

    ... am trying to create an .AY file for Sidewalk. Now this ... and sets up the I register). The player routine sits at ... try to write a simple AY file to see if ... used AYMaker to create the AY file. Unfortunatelly, the file ... won't play in AY Emul. It loads and the ...
    pepak pepak March 2007 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…

    ... ),B to select AY register 8... provided that the AY ignored the top ... 4 bits of the register number ... ]Selecting an unused register number above 0x0f puts the AY into a ... 't treat these as ordinary AY register accesses modulo 16, as Fuse ...
    gasman gasman December 2008 Hardware
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... CPC we have a 1Mhz AY. I calculate the periods with ... for the 12 bits frequency register), I get the period 3390 ...
    Targhan Targhan November 2009 Development
  • 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.
    Register 6 controls the duration of ...
    ajmoss ajmoss May 2010 Hardware
  • Fast AY PlayerThis is player for ay register dump stream (compiler for PC included). Speed: 980..1067t / 1200..1287t (without pattern change/with pattern change) …

    This is player for ay register dump stream (compiler for PC ...
    tmk79 tmk79 November 2010 Development
  • 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…

    ... is 1/(256*envelop_period) of AY-3-8912 frequency
    ... 1/(16*tone_period) of AY-3-8912 frequency
    ... 1/(16*noise_period) of AY-3-8912 frequency
    ... br /> 8 ) If the register 13 (envelope shape) is written ... 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: h=register, l=value
    // OUT: out ...
    [CODE]
    ////////////////////////////////
    // //
    // AY-lib Demo //
    // //
    // Timmy ...
    Timmy Timmy August 2012 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]1.- Forget about AY:[/b]
    SNA snapshots don ... 7.
    5.- Restore page register $7ffd.[b](*)[/b]
    ... CPU registers).

    AY registers would be "out of ... a delay between selecting an AY register and writing a value?
    Zup Zup April 2018 Development
  • AY PlayerI'm working on a frontend DB and would like to include an option that plays Speccy music/fx via AY Player. Does any1 know if there is a .dll that I…

    ... plays Speccy music/fx via AY Player.

    Does any1 ...
    Chris Chris January 2002 Emulators
  • AY player dllDoes any1 know if there is a dll for AY Player as I would love to include this in the DB program I'm working on?

    Does any1 know if there is a dll for AY Player as I would love to include this in the DB program I'm working on?
    Chris Chris November 2001 Emulators
  • AY to MID?I didn't see it in the WOS archive so this is a long shot... Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.

    I didn't see it in the WOS archive so this is a long shot...

    Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.
    Fuzzbucket Fuzzbucket September 2001 Emulators
  • AY in gamesMe interest, whether there is 128k modes and AY a music in the following games for ZX Spectrum?: Codemasters: Mig-29 Soviet Fighter 3D Starfighter …

    ... there is 128k modes and AY a music in the following ...
    Aleksey Aleksey February 2002 Games
  • AY to MID?I didn't see it in the WOS archive so this is a long shot... Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.

    I didn't see it in the WOS archive so this is a long shot...

    Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.
    Fuzzbucket Fuzzbucket September 2001 Games
  • 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…

    ... say so.

    An AY music format
    ------------------
    < ... /> 2 Envelope Control - 4bit AY envelope waveform 1 byte coarse ... control - Selects a AY instrument
    3 Envelope ... control - Extra data for AY instrument
    4 Volume ...
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • AY to MID?I didn't see it in the WOS archive so this is a long shot... Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.

    I didn't see it in the WOS archive so this is a long shot...

    Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.
    Fuzzbucket Fuzzbucket September 2001 Sinclair Miscellaneous
  • demo for AY music freakGreat collection of Speccy songs: [url="http://zxdemo.org/f/042002/mtape.zip"]http://zxdemo.org/f/042002/mtape.zip[/url] Made in 2002!! Almost 40 …

    Great collection of Speccy songs:

    [url="http://zxdemo.org/f/042002/mtape.zip"]http://zxdemo.org/f/042002/mtape.zip[/url]

    Made in 2002!! Almost 40 AY tunes!! The demo works on ZX48K+AY.
    Johny8 Johny8 April 2002 Announcements
  • Awesome demo for AY music freakI found a great collection of Speccy songs: [url="http://zxdemo.org/f/042002/mtape.zip"]http://zxdemo.org/f/042002/mtape.zip[/url] Made in 2002!!…

    I found a great collection of Speccy songs:

    [url="http://zxdemo.org/f/042002/mtape.zip"]http://zxdemo.org/f/042002/mtape.zip[/url]

    Made in 2002!! Almost 40 AY tunes!! The demo works on ZX48K+AY.
    Johny8 Johny8 April 2002 Sinclair Miscellaneous
  • AY 8912 QuestionI got some problem... Does anyone have a formula to convert from Hz / kHz to the Pitch value of AY Sounchip of Spectrum? Please help...

    I got some problem... Does anyone have a formula to convert from Hz / kHz to the Pitch value of AY Sounchip of Spectrum? Please help...
    LCD LCD July 2002 Sinclair Miscellaneous
<1234567…34>

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HitBox

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ay 7.7K 12K
amplitude 243 320
register 4.2K 6.1K

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  • Case for Wonder-AY (or other cheap ay-sound interface)?Got meself a cap replaced ZX Spectrum with composite video mod :) Woohoo! I want to have an modern sd-interface + ay-interface, both cased... I've se…
  • AY PlayerI'm working on a frontend DB and would like to include an option that plays Speccy music/fx via AY Player.<br /> <br /> Does any1 know if there is a…
  • AY player dllDoes any1 know if there is a dll for AY Player as I would love to include this in the DB program I'm working on?
  • AY to MID?I didn't see it in the WOS archive so this is a long shot...<br /> <br /> Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on…
  • AY in gamesMe interest, whether there is 128k modes and AY a music in the following games for ZX Spectrum?:<br /> Codemasters:<br /> <br /> Mig-29 Soviet Fighte…
  • AY to MID?I didn't see it in the WOS archive so this is a long shot...<br /> <br /> Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on…
  • AY musicThis is a format I'm proposing for an AY music player.<br /> If anyone can see any problems or anywhere it can be improved please say so.<br /> <br /…
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