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Search Again :: Adv Search 1000 results in 0.013s
<1234567…34>
  • The latest build of Specemu?The latest version of Specemu (a fantastic emulator, BTW) I have is SpecEmu-3.1.b150912.zip, which is a year old now, but knowing Woody he's probably…

    ... /22
    -------------------

    Fixed AY noise frequency running at half clock speed ...
    Luzie Luzie October 2022 Emulators
  • 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 workings of the noise channels in the AY-3-8912 sound ... take the channel frequency - a cymbal has a higher noise frequency than a ... to try matching the drum frequency to an existing tone (musical ...
    ajmoss ajmoss May 2010 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…

    ... frequency
    2) Envelope frequency is 1/(256*envelop_period) of AY-3-8912 frequency ... /(16*tone_period) of AY-3-8912 frequency
    4) Noise frequency is 1/(16 ... *noise_period) of AY-3-8912 frequency ...
    Oibaf Oibaf June 2012 Emulators
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... en.wikipedia.org/wiki/Linear_feedback_shift_register]Linear feedback shift register[/url]).
    AY emulation for random noise generation. I ... it for Zero's AY emulation as well*. ... />

    * Zero's AY emulation also includes reverse engineered ...
    Arjun Arjun March 2012 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…

    ... trivial program to generate lowest frequency AY noise and asked my friend to ... indeed 17 bit feedback register, and that the feedback is bit0 ^ bit3 ...
    Patrik Rak Patrik Rak November 2012 Emulators
  • Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…

    ... you can emulate any AY hardware or add AY sound to 48k ... noise volume: silent..loud, linear │ │
    │ │ ff │ frication frequency │ 39.06 Hz │ white noise frequency ... could have stereo sound with AY sound on one channel and ...
    Basher Basher August 2014 Hardware
  • Fuse for Mac OS X 1.1.1 ReleasedA new version of Fuse for Mac OS X has been released at the dedicated sourceforge project and shortly here on WoS: [url]http://sourceforge.net/proje…

    ... (Stuart Brady).
    [*] Correct feedback in AY noise generator (Patrik Rak).
    [*] MIC ...
    Fred Fred June 2013 Emulators
  • 16k/48k Sound FXI am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum. Does anyone have any example m/cod…

    ... which produces very much AY-like white noise - as it uses a ... in C changes the white noise frequency.

    org 32768

    Unlike using the AY chip though, this one sucks ...
    Woody Woody May 2004 Development
  • The best games from 2000 to 2005Hi everybody, I am writing because I need your help, I would like to know which are the best 10 games of these last 5 years, since 2000. All kind of …

    ... , ay, covox, GS, mic, exact sound emulation and GS
    double frequency ... center
    channel and set AY noise pitch to x8.
    Insert ...
    Pegaz Pegaz August 2005 Games
  • 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 …

    There is no dedicated noise channel(s) in AY. It has a single ... noise generator, three tone ... of register #7.

    Noise frequency controlled by register #6, it ... 5-bit divider.

    AY does not know anything about ...
    Shiru Shiru May 2010 Hardware
  • SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…

    ... are played on the AY and the last channel ... actual clock frequency of the CPU (providing the AY is ... br /> Each of the AY channels has a volume ... of the channels. The noise frequency is a value from 0 ... tC[/b]

    AY Registers will retain their contents ...
    chev chev April 2011 Sinclair Basic
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... ://en.wikipedia.org/wiki/Linear_feedback_shift_register]Linear feedback shift register[/url]).

    ; This setting (when uncommented) outputs noise to border/sound
    ;#define ...
    BloodBaz BloodBaz March 2012 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…

    The AY - 3 - 8910 / 8912 manual says that tone and noise frequency is the ay chip frequency divided by 16 and the envelope frequency is divided by 256.
    Oibaf Oibaf June 2012 Emulators
  • 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…

    ... AY - 3 - 8910 / 8912 manual says that tone and noise frequency is the ay ... chip frequency divided by 16 ... and the envelope frequency is ... of the input clock frequency, to make it clear ...
    Patrik Rak Patrik Rak June 2012 Emulators
  • 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…

    ... frequency
    2) Envelope frequency is 1/(256*envelop_period) of AY-3-8912 frequency ... /(16*tone_period) of AY-3-8912 frequency
    4) Noise frequency is 1/(16 ... *noise_period) of AY-3-8912 frequency ...
    Oibaf Oibaf August 2012 Emulators
  • 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…

    Yep that worked a lot better. SPIN's AY output is linear it appears (Yerz suggested hi/low byte split works here).
    cyborg cyborg March 2004 Sinclair Miscellaneous
  • Elvis Presley Just wondering if there's any Elvis fans here, I'm a massive fan with over 160 CD's in my collection (awaits chaosmongers fat Elvis jokes)

    ... an hour of pure noise, distortion and feedback which kinda sounds like ...
    jil jil October 2005 Chit chat
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... I assume you have), the AY chip is clocked at 1 ... intended 128k spectrum compatibles. The AY chip frequency (1.77MHz..) doesn't ... demo. These things use the AY chip like the BEEPer -- it ... write to the 2068's AY chip -- again let me work ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • problem using FRAMES to generate 'random' numbersI realise the pros use bytes from ROM to get their random numbers, presumably because they want to use FRAMES to synchronise the printing and avoid s…

    ... also look at an LFSR (linear feedback shift register), especially if you ... z80 than the ones above (linear-congruential method).

    You ...
    Alcoholics Anonymous Alcoholics Anonymous March 2008 Development
  • Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…

    And here is a method that is much, much better.

    [code]
    #include

    int galLFSR(int state)
    {
    static int lfsr;

    if (state)
    lfsr = state;
    else
    lfsr = (lfsr ^ (-( ...
    Alcoholics Anonymous Alcoholics Anonymous March 2008 Sinclair Basic
  • 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…

    ... the clock frequency and port addresses of the AY chip I ... point. I need the AY clock frequency and port addresses of ... the AY chip *in order* to ... . Unless I have the AY clock speed I can't ... And unless I have the AY's I/O ports, you ...
    chev chev May 2011 Hardware
  • 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…

    ... point. I need the AY clock frequency and port addresses of the ... AY chip *in order* to port ... ZX81. Unless I have the AY clock speed I can't ... . And unless I have the AY's I/O ports, you ...
    Yerzmyey Yerzmyey May 2011 Hardware
  • Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …

    ... ://en.wikipedia.org/wiki/Linear_feedback_shift_register]Linear feedback shift register[/url]).[/QUOTE]
    Morkin Morkin March 2012 Development
  • Spectaculator 8 is out!By the looks of it, Jonathon has just release Spectaculator 8. No write up on new features yet. Will have to wait. [url]http://www.spectaculator.co…

    ... /game pad buttons.
    Fixed AY noise generation (although you probably won ...
    BloodBaz BloodBaz December 2012 Emulators
  • Spectaculator 8 is out!By the looks of it, Jonathon has just release Spectaculator 8. No write up on new features yet. Will have to wait. [url]http://www.spectaculator.co…

    ... /game pad buttons.
    Fixed AY noise generation (although you probably won ...
    Uros Zupan Uros Zupan December 2012 Emulators
  • Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…

    ... pure tone of a specific frequency you insert a fixed delay ... durations, it is a constant frequency tone as well which however ... delays should be random. Noise frequency is inversely proportional to the ...
    Hikaru Hikaru January 2014 Development
  • Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…

    ... /lfsr/lfsr_table.pdf]Table of Linear Feedback Shift Registers[/url]. There's ...
    Battle Bunny Battle Bunny February 2014 Development
  • [NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…

    ... amplitude envelopes.
    * Added SAA1099 noise frequency settings.
    * Properly set SAA1099 ...
    fms fms February 2014 Emulators
  • [NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…

    ... .
    * Fixed white noise frequency computation.
    * Adjusted noise to be 50% of ...
    fms fms May 2014 Emulators
<1234567…34>

Latest Posts

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ay 7.7K 12K
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frequency 1.6K 2.3K
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feedback 3K 3.8K

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