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  • 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-…

    ... when using ay chip and one channel has tone & noise together ...
    chernandezba chernandezba May 2014 Emulators
  • 48k Spectrum "Jail Bars" Removal?Hi all Just curious I think I saw a post here about the bars that go down the screen on some 48k's I think he referred to them as "jail bars". Any…

    ... sources for the ripple and noise on the +12V (and-5V ... noise on the Spectrums supply lines will partly depend on the frequency ... really good filtering and high frequency decoupling of the +12V supply ...
    1024MAK 1024MAK September 2014 Hardware
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... Munchies and is the explosion noise for the bombs.
    Remember ... the AY switched on in certain emulators.
    Also, the noise will ... sets up all 3 AY channels to white noise hissing sound, set ... setting and sets the hiss noise for all 3 channels
    MatGubbins MatGubbins October 2014 Development
  • Modern PSUHello everyone, I'm looking for a modern PSU for my Spectrums and my dual set of 3.5'' floppy drive+HxC floppy emulator. The one for Spectrum should …

    ... switched at a high frequency. This high frequency AC is then fed ... small. When you use high frequency AC, then the size of ... produce a lot a RF noise if they are not well ...
    Pierre Pierre October 2014 Hardware
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... the pulse noise on for all 3 AY channels
    noise that can be manually ... pulseoffdata ; turns off the AY sound
    LD A ... /> ; If you want the noise to get louder as the ... rising/lowing tone/pulse noise, if not, have ...
    MatGubbins MatGubbins October 2014 Development
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... the drone noise and the pulsing noise use all 3 AY channels then ... someone that knows how the AY program works and how the ...
    MatGubbins MatGubbins October 2014 Development
  • how can I get PLAY sounds on channels B & C ?As far as I know, command M specifies the playing channel, but for some reason I only get sound on channel A. I mean: - command 'PLAY "M1a"' is work…

    Yup, Binman is spot on. The M command controls the AY Mixer, i.e. whether a channel plays a tone, white noise or a combination of the two.
    AndyC AndyC October 2014 Sinclair Basic
  • Assembloids for the ZX Spectrum in the makingAfter coding Assembloids for the C64 and having basically finished Assembloids 2600 for the Atari2600, I will continue to work on Assembloids ZX ;-) …

    ... /> I managed to get "some noise" out of the beeper which ... vanilla 48K Spectrum, so no AY chip.

    Anyway, its ...
    enthusi enthusi December 2014 Development
  • Assembloids for the ZX Spectrum in the makingAfter coding Assembloids for the C64 and having basically finished Assembloids 2600 for the Atari2600, I will continue to work on Assembloids ZX ;-) …

    ... vanilla 48K Spectrum, so no AY chip.[/QUOTE]

    Using ... AY means vanilla 48K would still ... 's either this, or simpler noise effects as you mentioned.
    Einar Saukas Einar Saukas December 2014 Development
  • Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …

    ... hardware filtering at a fixed frequency to knock out the repeated ... -bit sampled music on the AY was done on the ST ... more recent times on the AY on the msx. Being done ... of the z80 machines with AY chip:

    [youtube]_L6V60wuRvo ...
    Alcoholics Anonymous Alcoholics Anonymous December 2014 Games
  • Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …

    ... filtering at a fixed frequency to knock out the ... Vicious SID demo and this AY demo, but frankly, the ... recent times on the AY on the msx. Being ... of the z80 machines with AY chip

    ... more advanced YM2149F, than Spectrum AY) into this discussion.
    ...
    Pegaz Pegaz December 2014 Games
  • problems with a 48k[url]http://imgur.com/lpGfjik[/url] Hi WOS. Its my first post here. I have know about this site for a quite good time, but didnt had the will to con…

    ... , and just give you white noise - you're expected to turn ... no longer hits the resonant frequency, and the machine will go ...
    Spirantho Spirantho January 2015 Hardware
  • Uridium possible with more colour??Having seen the MSX version of Uridium mentioned in another thread I wondered if the Spectrum could produce anything similiar, and had a go at a mock…

    ... oscillate it at the right frequency, which means concentrating on it ... some other loop function. For noise, you just send random data ... . For mechanical noise, mix a regular 0/1 ...
    joefish joefish January 2015 New game ideas
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... AY mixer & generator, etc);
    - fix AY8910 mixer & noise;
    ZXMAK ZXMAK January 2015 Emulators
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... option for stereo or mono AY? Stereo AY is ok if you ... , it will include configuration for frequency, A/B/C balance, A ...
    ZXMAK ZXMAK January 2015 Emulators
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... );
    - added ability to change AY frequency, pan (ABC, ACB, BAC, BCA ... , CAB, CBA, MONO) and AY DAC preset (currently there is ...
    ZXMAK ZXMAK February 2015 Emulators
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... );
    - added ability to change AY frequency, pan (ABC, ACB, BAC, BCA ... , CAB, CBA, MONO) and AY DAC preset (currently there is ...
    Pegaz Pegaz February 2015 Emulators
  • AYFX .afb files<p>I've been creating sound effects using AYFX v 0.4.&nbsp;How do you go about implementing these files into .asm to use in a game?</p><p>I cant make…

    ... Tone
    bit6 Change Noise
    bit7 Disable N< ... set, a single byte with noise period follow; when both bits ... period, then single byte with noise period
    follow. When ... outputting it to the AY registers, by checking noise
    period ...
    Alcoholics Anonymous Alcoholics Anonymous May 2015 Development
  • Hardware damage due to software?<p>I'm not afraid to ask a stupid question, and I find it incredibly easy to do so in the hardware forum!</p><p>Is it possible to damage your Spectru…

    ... OFF at just the right frequency.

    Not on the ... mode (with a satisifying 'thunk' noise) which could be destroyed using ...
    GReW GReW June 2015 Hardware
  • A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…

    ... /> its possible to add the noise generator on the line?[/quote ... .

    I suggest using AY for music and noises. At ...
    Einar Saukas Einar Saukas July 2015 Brand new software
  • EmuZwin 128k banks in assembler Having looked at the assembler help file " ORG [{ RAMn | ROMn },] #target_address [, #dest_address ] Defines target assembling address and ta…

    ... there was an AY explosion noise and a few AY FX that will ...
    MatGubbins MatGubbins August 2015 Emulators
  • 1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…

    ... utz is calling row transition noise. The time between samples is ... shows up in the high frequency range so you hear an ... additional high frequency tone that sounds like clicking ... the low tempo songs this frequency is lower and gets buried ...
    Alcoholics Anonymous Alcoholics Anonymous September 2015 Development
  • New stereo kitsWill be testing these next week: [IMG]http://www.benophetinternet.nl/hobby/vanmezelf/SAM_0631.JPG[/IMG] [IMG]http://www.benophetinternet.nl/hobby/v…

    ... it is processing data, the noise varies from low pitched hums ... ,4,5,6 on the AY chip need to be pre ... dangerous if they touch the AY legs - could they be snipped ...
    MatGubbins MatGubbins September 2015 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... that you minimise noise from amplification. Of course, noise introduced in early ... .

    Spikes of high frequency noise in a tape recording can ...
    zub zub September 2015 Hardware
  • is it possible to display code being loaded in a loader?hi, is it possible to display code being loaded in a loader?

    ... was always that the tape noise would get in the way ... was much louder than the AY. It's good to know ... magic trick to mute the noise all along!
    AndyC AndyC September 2015 Development
  • Help with Spectrum +2 or 128 (AY sound test) Hello, could you help me with something? It's like some "scientific experiments" with the [b]AY-3-8910[/b] / AY-3-8912 chips. I've bought on …

    Yes, Your AY is broken. The white-noise generator's defect is - sadly ... even ZX Spectrum can emulate AY, when GeneralSound is connected (requires ...
    Yerzmyey Yerzmyey September 2015 Hardware
  • Help with Spectrum +2 or 128 (AY sound test) Hello, could you help me with something? It's like some "scientific experiments" with the [b]AY-3-8910[/b] / AY-3-8912 chips. I've bought on …

    ... a part such as the noise generator could be damaged. I ... chips which could recreate the AY chip, like the SwinSid for ...
    farvardin farvardin September 2015 Hardware
  • 1-Bit Sound AccuracyI'm hoping someone can give this snapshot a try on a real machine (just press enter to start the music): https://drive.google.com/file/d/0B6XhJJ33xp…

    ... the program and the background noise of the circuitry may have ... .iinet.net.au/~fredm/beeper/Frequency%20Analysis%20Fuse_beep_unfiltered_2.png[/img]
    Fred Fred October 2015 Development
  • Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…

    ... and can make notes and noise" when designing it either, they ... this chip and not the AY. Maybe the incredibly short amount ... what was available and the AY wasn't?
    RobeeeJay RobeeeJay October 2015 Hardware
  • Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…

    ... with the independent noise channel, and with the AY’s envelopes and ... the AY can do far better drum sounds. The separate noise channel ... a separate channel of awful noise, or three channels with a ... single noise source mixed into all three ...
    zub zub October 2015 Hardware
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Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21

HitBox

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ay 7.7K 12K
noise 3.8K 4.9K
frequency 1.6K 2.3K

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