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<1…12131415161718…34>
  • Z80 - new MISTER BEEP albumAs a warmup for the upcoming 30th anniversary of our beloved machine, MISTER BEEP presents us his fourth album, named simply "Z80". [IMG]http://berl…

    [QUOTE=AY Chip;602472]Not [I]all[/ ... but does have an audio filter that (in my opinion) makes ...
    rich_chandler rich_chandler February 2012 Sinclair Miscellaneous
  • SpiffyBecause there aren't enough emulators already... [url=https://github.com/ec429/spiffy]Spiffy[/url] is my 48k Spectrum emulator, for Linux. Right no…

    [QUOTE=AY Chip;602769]
    Notable features:< ... , max).
    [*]Pretty good audio filter for the beeper ([url=http ... ]example[/url]). Aka "the drainpipe filter".
    [*]Tape trap for the ...
    kphair kphair February 2012 Emulators
  • converting mp3 to zx importfile.is it possible?Hi peeps I am just looking through old threads and browsing through music tools on the zx in particular converting or creating ,what i am looking for…

    Well its a 128k game so AY? but if a suitable sound can be made with beeper then that will do as the bats noise is not much more than beeps pops and whistles anyway i guess.
    jammajup jammajup March 2012 Development
  • 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 …

    ... used in Mame's AY emulation for random noise generation. I know ... of it for Zero's AY emulation as well*. :P



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

    ... used in Mame's AY emulation for random noise generation. I know ... of it for Zero's AY emulation as well*. :P

    * Zero's AY emulation also includes reverse engineered ...
    BloodBaz BloodBaz March 2012 Development
  • BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…

    ... to overcome this sort of noise and that margin shrinks the ... act as a low pass filter that distorts the sharp square ... will be distorted by that filter, then the one in the ...
    Alcoholics Anonymous Alcoholics Anonymous April 2012 Emulators
  • Avast marks SpecEmu EXE file as generic malwareToday I turned my laptop on after a couple of months I hadn't used it and updated Avast antivirus - both program and virus definition - to the curren…

    ... bug (hopefully!)
    Made the AY filter a little less keen! (Cybernoid ...
    Rindex Rindex April 2012 Emulators
  • Tritone - new three channel beeper music engineYes, yet another. This one provides three channels of clean and loud tone with interrupting drums. It is something between Music Box and Savage engin…

    ... there is some constant "sssssssssssssss" noise, which isn't preset when ... standing alongside the likes of AY music...
    --------------
    That's ...
    Mister Beep Mister Beep April 2012 Development
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... the rm module input and noise is on the output then ... more idea: dead filter cap which has to filter power supply noise somewhere.
    ArtemKuchin ArtemKuchin May 2012 Hardware
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... idea: dead filter cap which has to filter power supply noise somewhere.[/QUOTE ...
    netomc netomc May 2012 Hardware
  • Spectrum +2 gray strong noise at TV sound outputWhat could be the reason of strong sound noise at TV channel on gray +2? In the beginning this speccy was dead, it had faulty 78S05 and ZTX650. Added…

    ... schematic. Three output channel from AY are wire-ORed (ARFH, stupid ... gone bad or connection from AY to MC1376 is lost somehow ... something else) you'll get noise on tv.

    Then ...
    ArtemKuchin ArtemKuchin May 2012 Hardware
  • Playing SID music on AY??Hello. Some time ago, with occasion of another thread, I was asking about possibility of making a very certain thing - a SID emulator for Spectrum …

    ... other machines emulate SID on AY.[/QUOTE]

    That's ... playing the notes and noise on the AY using an adapted version ... actually sounds worse than most AY tunes.
    chev chev May 2012 Development
  • SpiffyBecause there aren't enough emulators already... [url=https://github.com/ec429/spiffy]Spiffy[/url] is my 48k Spectrum emulator, for Linux. Right no…

    [b]Spiffy 0.6.1[/b]

    Stuff:
    [LIST]
    [*]Fixed a bug with AY sound (it's still crummy though)
    [*]Added UI tooltips
    [*]Added a "Slow Fade" video filter
    [/LIST]
    AY Chip AY Chip May 2012 Emulators
  • SpiffyBecause there aren't enough emulators already... [url=https://github.com/ec429/spiffy]Spiffy[/url] is my 48k Spectrum emulator, for Linux. Right no…

    ... /> [QUOTE=AY Chip;630783][LIST]
    [*]PAL chroma distortion filter
    [/LIST ...
    AY Chip AY Chip May 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…

    ... true only for YM2149, not AY, IIRC.

    Tone generator ... clock frequency divided by 8, noise and envelope generators clock is ... 16.

    Regarding the noise generator, this is the simplest ...
    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…

    ... true only for YM2149, not AY, IIRC.

    Tone ... clock frequency divided by 8, noise and envelope generators clock is ... />
    Interesting, because the Mame AY code says this:

    AY-3-8910 and YM2149 chips ...
    Arjun Arjun 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…

    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…

    ... ]The AY - 3 - 8910 / 8912 manual says that tone and noise frequency ... is the ay chip frequency divided ...
    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…

    [QUOTE=Patrik Rak;631340]The latter is true only for YM2149, not AY, IIRC.

    [/QUOTE]

    What is the used value for noise, envelope and tone in case of 0 in the registers?
    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…

    ... ]

    I took the noise generator from FUSE.

    AY says they are equivalent.

    I also tried the noise ...
    Oibaf Oibaf June 2012 Emulators
  • Scratchy video after composite modIve re done the mod several times on this Issue 4B with the exact same results, anyone know whats up? Caps maybe? [youtube]fa1wk_epgjE[/youtube]

    ... noise on a power supply line (possibly caused by a failed filter ...
    Zorn Zorn June 2012 Hardware
  • Need some advice about electronicsI have wired up an ATX power supply to power my spectrums through a DC-DC converter that gives 9V from the +12V rail. It works well. However, I also …

    ... was getting some really nasty noise, in the end I completely ... they introduce so much noise its hard to filter it... I found ...
    Zetr0 Zetr0 June 2012 Hardware
  • Need some advice about electronicsI have wired up an ATX power supply to power my spectrums through a DC-DC converter that gives 9V from the +12V rail. It works well. However, I also …

    ... was getting some really nasty noise, in the end I completely ... they introduce so much noise its hard to filter it... I found ... I get some level of noise. It is nearly impossible to ...
    Johan1973 Johan1973 June 2012 Hardware
  • Audio frequency range from modulator?Anyone know what the frequency range of the audio that's output through the RF? In particular for the 128k/+2. I've checked the manuals but couldn'…

    ... a recording of a particular AY track from the EAR port ... to extreme tone, envelope and noise use.

    The attack ...
    FrankT FrankT July 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…

    ... *tone_period) of AY-3-8912 frequency
    4) Noise frequency is 1 ... /(16*noise_period) of AY-3-8912 ... ) ) NoiseOn = ! NoiseOn;

    noise |= ( ( noise & 1 ) ^ ( ( noise & 4 ) ? 1 : 0 ...
    Oibaf Oibaf August 2012 Emulators
  • +2 (Grey) S-video?I have a pretty good Composite/S-video to VGA adapter that does a nice work of running my retro machines on an old LCD screen. However, it looks best…

    ... as an idea to filter the signal from noise. Might be all ...
    Johan1973 Johan1973 September 2012 Hardware
  • Strange failure modeI just had a 48K machine "fail" in what seemed like an odd way. Problem: Random keypresses (not from any particular part of the key matrix) appearin…

    ... components that serve to filter high-frequency noise leaking back into AC ... 's a compromise: much more noise radiating from equipment using AC ...
    RetroTechie RetroTechie November 2012 Hardware
  • Retro GamerDoes anybody know when the next issue of Retro Gamer will be out? They told me to include an article about the Spectrum30 show in the News section an…

    ... /> For a while the only noise was the sound of hooves ... sprites[/I]"

    "[I]Ay, I know of them[/I ...
    ewgf ewgf November 2012 Sinclair Miscellaneous
  • Retro GamerDoes anybody know when the next issue of Retro Gamer will be out? They told me to include an article about the Spectrum30 show in the News section an…

    ... /> For a while the only noise was the sound of hooves ... sprites[/I]"

    "[I]Ay, I know of them[/I ...
    R-Tape R-Tape November 2012 Sinclair Miscellaneous
<1…12131415161718…34>

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