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  • using the out command to make sound on a spectrumi remember reading somewhere on how to use the out command to make sound. i cant find a reference to this anywhere online. i think it may have caused…

    ... can also fiddle with the AY directly on a 128 machine ... ,7
    20 OUT 49149,0
    30 OUT 65533,1 ... the +3 manual describes the AY registers in full: http://www ...
    AndyC AndyC May 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…

    It’s unlikely that the AY chip will crash the CPU.< ... :
    [code]10 FOR a=0 TO 7
    20 PRINT ...
    1024MAK 1024MAK May 2019 Hardware
  • +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…

    The AY may not crash the CPU, ... the ability to access the AY chip via the OUT command ... Spectrum. It’s either 4.0 or 4.1. Do a ... in +3 BASIC. Version 4.0 returns 167; Version 4.1 ... +3s were fitted with v4.0, while a +2A is more ...
    Ast_A_Moore Ast_A_Moore May 2019 Hardware
  • +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…

    ... "]It’s unlikely that the AY chip will crash the CPU ... :
    [code]10 FOR a=0 TO 7
    20 PRINT ...
    colourclash colourclash May 2019 Hardware
  • +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…

    ... , for that matter), then the AY chip has definitely gone tits ... version appears to be 4.0, I haven't had chance ...
    Ast_A_Moore Ast_A_Moore May 2019 Hardware
  • +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…

    ... , and 5 in between the AY chip and the board. Bend ... , test each pin while the AY is idling. If all three ... /> 20 DATA 0,1,0,1,0,1,0,120,15,15,15,0,0,0
    AY channels. No need to rerun ... , 4, and 5 of the AY chip. You should be seeing ...
    Ast_A_Moore Ast_A_Moore May 2019 Hardware
  • New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…

    ... Directly decompress page/bank 0 to page/bank 0
    3) ... Directly decompress page/bank 0 to page/bank 0
    5) ... snapshot, maybe to get AY music, and it will ... version but keep the AY music which saves a ... Only banks 5,0 & 2 stored, retain AY chip & ...
    TomD TomD May 2019 Development
  • Raw Rumble Sound?Hi all. I am looking for a set of bytes that could be sent to the AY-3-8910 PSG to make a "rumbling earthquake" sound using the white nose generator.…

    ... registers, maybe playing with the envelope at the same time.
    AY sound that will teach you ...
    Code Monkey Code Monkey August 2019 Development
  • old 128K music and nowaday 128k musicthe old "official" specy 128 games has very good music, I love them. but these music are not uses the capatibilites of the AY chip, why? for exampl…

    ... most part. The hardware envelope of the AY is definitely not some ...
    Hikaru Hikaru August 2019 Games
  • old 128K music and nowaday 128k musicthe old "official" specy 128 games has very good music, I love them. but these music are not uses the capatibilites of the AY chip, why? for exampl…

    ... values of many parameters for AY depend on the frequency at ...
    tone table recalculating easy, envelope - hard
    ...........
    for example ...
    goodboy goodboy September 2019 Games
  • MB03 UltimateDear ZX friends, you may have heard of MB-02+, probably the best disk interface for ZX Spectrum, originated back in the 90's. Although not much sp…

    ... +, MBIDE, BSDOS308, DivIDE, DivMMC, ESXDOS 0.8.7 and Residos ensured ...
    • integrated sound cards: 3x AY- Turbosound, SAA1099, SoundDrive/Stereo, Covox ... + host also LED Matrix showing AY channel volumes at the moment ...
    Hood Hood September 2019 Hardware
  • New emulator: InkSpector 2Hi, The first preview of InkSpector 2 is available from www.inkland.org.uk/inkspector/inkspec_2.0.0.27.exe It's a brand new emulator with all …

    ... Spud dis'ming "out (c),0" as "out (c),f" as ... of running) when the 128K AY chip isn't there.
    inky inky November 2019 Emulators
  • Understanding tape edgesI've never done any tape reading code. But I've read about these "edges" on multiple occasions. Trouble is I don't understand what they heck they are…

    ... there's a 1 to 0 or 0 to 1 transition frequently ... a transition from 1 to 0 or 0 to 1 for every ... with a nice steady amplitude envelope, and a simple frequency modulation ... 1) or low frequency (logic 0). Each edge allows you to ...
    Winston Winston March 2020 Development
  • GZX 2020.1 ReleasedHi, I just released [url="https://github.com/jxsvoboda/gzx/releases/download/v2020.1/gzx-2020.1.zip"]GZX 2020.1[/url]. [youtube]3AOQETbfrPA[/yo…

    ... on a 48K minus the AY sound, that's an unintended ... card interface equipped with ESXDOS 0.8.5 and later. This ...
    Alessandro Grussu Alessandro Grussu March 2020 Emulators
  • Has anyone ever heard Spectrum MIDI?Simple question: has anyone ever heard MIDI controlled by a Spectrum? This seemed to be one of the major features added by the Speccy 128, which eve…

    ... have to be midi type 0 rather than type 1 (easily ... both of the ZXUno's AY chips for 6 rather than ...
    kgmcneil kgmcneil March 2020 Sinclair Miscellaneous
  • Jungle Queen- a colorful, jerky, (incomplete) tribute to Jungle kingHello here is my little tribute to Jungle King made with AGDx The game still needs music and loading but can be played (and edited at leaisure, s…

    And finally: complete version with loading screen... somtehing worth to check ... believe me ;)

    https://www.dropbox.com/s/ju5llgtb3zsa8j6/JUNGLE%20QUEEN-AY.tap?dl=0
    gabriele amore gabriele amore April 2020 Brand new software
  • New Game: A Yankee in Iraq (2017). A shoot-em-up.Last year, I [url="https://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]resurrected my old shoot-em-u…

    [b]Version 1.3.0 is out, and it’s ... /> [u]New features:[/u]
    —AY sound FX have been added ... to the cursor keys and “0,” you can now use “Q ... %20Yankee%20in%20Iraq%20v1.3.0.zip"]A Yankee in Iraq ...
    Ast_A_Moore Ast_A_Moore April 2020 Brand new software
  • Dynamite Dan II - Island 6 - HELP!Hi all, can someone possibly create a snapshot of Island 6 (car park island) on Dynamite Dan II for me please? I'm trying to work out why half the…

    ... doing USR 0 in 128 basic (this will keep AY and 128 ... go to 48 Basic (no AY). Or from 128 program, disable ... hl,$5c48
    ld (hl),0
    [/code]
    FrankT FrankT December 2020 Games
  • Awesome/Cool/Beautiful *.MOD *.xm, etc muzak requested.I just re-discovered an old HD of mine with .MODs from the 90s and also discovered that VLC actually plays those! Please, drop links to awesome .M…

    ... to look at than 1.0.
    Trouble with it ... loading a track
    incorrect envelope values ​​were displayed.
    Fixed ... : If Envelope As Note is on, then ... values ​​in the column global envelope.[/code]
    Here's the ...
    FrankT FrankT December 2020 Chit chat
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... S-100 edge connectors are 0.125" pitch. Maybe you are ... metric and imperial. 3.175mm = 0.125".
    [b][i]Mark ... an edge connector. Add the AY chip and a small amplifier ...
    cj7hawk cj7hawk October 2021 Hardware
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... three basic modes. Includes AY chip. ( AY not in original spec )
    0.6" rather than the IBMs ... 0.8"... This reduces capacitance on ...
    cj7hawk cj7hawk October 2021 Hardware
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