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<1234567…34>
  • Faulty 128KI digged out my Spectrum 128, and it wakes not up. I don't have experience, only with 48K. Maybe someone can give me some hint, clue. It looks like m…

    ... looks like memory (or ULA, CPU, memory control logic) error. Screen ... error. Is it worth to replace RAM chips? ULA is warm ... don't have spare. Can replace CPU, but seems not likely...
    piters piters June 2006 Hardware
  • New stable version ZEsarUX-4.2Hi everyone! I have uploaded a new stable version of ZEsarUX emulator, version 4.2. You can download it from: https://sourceforge.net/projec…

    ... machine Pentagon 128
    Added .ay file player for Spectrum and ... CPC files
    Added AY Piano menu to view notes ... that refresh continuously: waveform, ay registers, cpu stats, debug cpu, visualmem
    Fixed ...
    chernandezba chernandezba December 2016 Emulators
  • New SpeccyDo you think someone should go about creating a new spectrum computer? I'm talking about a spectrum compatible (not an emulator) with the capabiliti…

    ... the best example. I prefer AY and POKEY.
    And MANY ... look for new sounds of AY. True.
    That's why ... /NewSound_by_Yerzmyey.mp3[/url]
    (Pure AY, no CPU's tricks)

    Yerz Yerz October 2003 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…

    Yup, sample-songs on AY sounds not very cool. Especially ... ST freakz play MOD via AY (using CPU's power) and it ... able to play them via AY (doesn't sound very nice ...
    Yerz Yerz March 2004 Sinclair Miscellaneous
  • Zx Spectrum 48k+ black screenHi A friend of mine gave me his 48k+ and when i tried to turn it on I just get a black screen of the TV. I don't have sound of the console. Where c…

    ... /> 1. Check and or replace CPU
    2. Check and ... or replace ULA
    [/indent]
    ... /> 2. Check and replace Regulator (if available on ... /> 3. Check and replace lower portion of RAM ... chips
    4. Check and replace ULA
    [/indent]
    Zetr0 Zetr0 March 2011 Hardware
  • Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…

    ... with M1 problem is to replace CPU

    Damaged M1 line ...
    ikci ikci June 2012 Hardware
  • Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…

    ... mode, 8x1 attribute mode, AY, accurate CPU contention, non-contended RAM) with ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • not working issue 3Hi all, I received this mobo from ebay, after start i have this on screen [img]http://forest.no-ip.org/wos/issue3_01/20150728_135908.jpg[/img] …

    ... screen ...
    I think to replace cpu as next?:)

    Greets ...
    gorski gorski July 2015 Hardware
  • ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…

    ... latest version of ZXSpin, to replace the rather aged old 0 ... .504. This one will also replace the version hosted here on ... will require enormous amounts of CPU power to emulate, and a ... volumes options page for the AY. Many thanks go to MikeW ...
    Dunny Dunny December 2006 Emulators
  • 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 ... routine is called by the CPU in IM 2 mode. The ... try to write a simple AY file to see if my ... 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
  • In-game music takes CPU time?If a 128k wants to have music played in-game using the AY sound chip, does that consume a lot of CPU time? What I am after is if the reason why man…

    ... the AY sound chip, does that consume a lot of CPU time ...
    Rickard Rickard October 2008 Development
  • "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…

    ... was working on some AY sample-related stuff, it ... me that with the AY port not being completely ... would be a handy CPU-time-saver to do ... treat these as ordinary AY register accesses modulo 16, ... br />
    Incidentally, the AY data sheet I have kicking ...
    gasman gasman December 2008 Hardware
  • NEC CPU - problem?I wonder if I should substitute a NEC CPU in a grey +2. Does anyone else had problems with NEC CPUs inside ZX Spectrum. Some time ago I had a Spectr…

    ... I should substitute a NEC CPU in a grey +2.
    CPU with a Zilog one the ... I should first try to replace the CPU (I would have to ... destroy the NEC CPU while cutting it out).
    ingo ingo February 2009 Hardware
  • How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…

    ... we'll run out of CPU time, for handling all of ... able to write into the CPU registers AF, BC, DE, IX ... same memory. So, if we replace the existing memory with faster ...
    wilsonsamm wilsonsamm June 2009 Hardware
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    ... samples playback. Even though the cpu would have to divide its ... (to choose between 128K AY, TS2068 AY, alternate AY port config, etc), a ... their computer but the only AY interfaces that were released for ... an external version of the AY interface which uses 128K ...
    zxbruno zxbruno October 2009 Hardware
  • converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …

    ...
    And we can replace this code with:
    ... ),A
    3) disable AY sound
    4) export ... info about 1MB memory and AY ports:
    - converted ... is faster
    - all AY ports can be disables/removed ... MIDI controll and slow-down CPU (too much).
    - ...
    velesoft velesoft April 2010 Games
  • 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 …

    ... SID emulator for Spectrum with AY.

    Like I wrote ... on Atari Xl/XE (with CPU of 1,72Mhz speed).
    CPU and POKEY (a chip not ... " the code for Z80 with AY?

    Regards,
    MB
    Mister Beep Mister Beep November 2010 Development
  • ay troubles...im trying to hook up an ay chip internally to my upgrade 48k machine, GAL provides bdir and bc1 signals, d0 to d7 is connected to z80 pins, and a0 to…

    ... trying to hook up an ay chip internally to my upgrade ... a7 is connected to z80 cpu, and the machine start, but ...
    Johan1973 Johan1973 December 2012 Hardware
  • Formant synthesis on the AY-3-8910I was idly pondering ways of getting interesting sounds out of the AY chip, and it occurred to me the envelope system might be useful for formant syn…

    ... interesting sounds out of the AY chip, and it occurred to ... that it takes almost no CPU time, unlike sampled speech. Calculating ...
    GoingDigital GoingDigital September 2013 Development
  • Draconus Music Cover (AY/YM chip)Hi, except the [url]http://www.worldofspectrum.org/forums/showthread.php?t=45129[/url] game from last weekend Wapniak party, there's also a small gif…

    ... small gift for lovers of AY/YM chip family, this time ... , being attached to 16-bit CPU. :)
    Greetzzz,
    Yerz
    Yerzmyey Yerzmyey September 2013 Chit chat
  • Best beeper player with good trade-off between sound quality and CPU timeHi all.. I'm toying with the idea of writing a small demo/intro on the 48k Speccy. Last time I did this I cheated and used an AY add-on but this t…

    ... I cheated and used an AY add-on but this time ... image renderer. I want more CPU time.. and I want better ... leave a decent whack of CPU time for me to do ...
    evilpaul evilpaul March 2016 Development
  • AY Sound Effects from WAVI'm wondering if someone has crossed this bridge already. There are a bunch of sampled sound effects in wav form that need converting to the AY ch…

    ... that need converting to the AY chip. It can't be ... a lot of memory and cpu time. Ideally what is wanted ... of data fed to the AY chip each 1/50s. But ... sampled speech using interrupt driven AY audio. That's a possibility ...
    Alcoholics Anonymous Alcoholics Anonymous October 2016 Development
  • In-game AY music and sound effectsI'm currently working on various aspects of a Spectrum game and thinking now about the sound side of things. I know you can use a utility like Vortex…

    ... care not to hog the CPU and cause the game to ... it possible to use the AY chip and use just 2 ...
    adrian_singh adrian_singh March 2017 Development
  • Any music tools like Beepola for AYI love Beepola. No BS, just simple music making. And I'm getting great results. The only problem is that bleeper music is too heavy on the CPU, so I …

    ... heavy on the CPU, so I have to go AY. I have ...
    cnewbyuk cnewbyuk January 2018 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 ... into transfer code to restore CPU registers and execute the ... and before restoring CPU registers).

    AY registers would be ... a delay between selecting an AY register and writing a ...
    Zup Zup April 2018 Development
  • New SpeccyDo you think someone should go about creating a new spectrum computer? I'm talking about a spectrum compatible (not an emulator) with the capabiliti…

    ... can SOUND JUST LIKE THE AY EASILY BY USING SQUARE ... you can get using the CPU or otherwise can be ... programmed to behave like the AY (the square waves can ... just 0-4kHz compared the AY's much larger 0-10kHz ... AYish but it can't replace an AY.

    All ...
    Alcoholics Anonymous Alcoholics Anonymous October 2003 Sinclair Miscellaneous
  • Compatible SpectrumsFollowing some recent coding exploits I've been thinking about compatibility of various models of ZX Spectrum. Yes, it's a common question on the for…

    ... get a +2a/+3 and replace the ROMs with those of ... +3 ULA does not stop CPU clock for reading the screen ... goodies as RAM bank switching, AY sound, RS232, sinclair joystick, tape ...
    ingo ingo October 2007 Hardware
  • Emulator AY/YM sound chip on AVR (ATMega8,ATmega16,ATmega32,ATmega8515).[url]http://zx.pk.ru/showthread.php?t=10510[/url] Latest version - [url]http://www.vector06c.narod.ru/emul.html[/url] (last link) P.S. Emulator bas…

    ... interface and paralel interface (ZX - AY/YM).

    [ ... development board that can replace the AY chip?... Just curious... ... complex Projects summary (ZX + CPU + AY + Some controllers). Use only ... for the AY / YM too expensive.
    fan fan December 2009 Hardware
  • Getting an 14Mhz crystal to oscillate?I am building a circuit with an 74LS32 and a 74LS193 to work as frequency divider. Though I have hit a snag, how to I wire up a crystal to make it os…

    ... 4164s I have used to replace lower and higher ram. Also ... am trying to get an AY-3-8912 internally. This is ... have a big heatsink over CPU and rom, and gives some ... 1.75Mhz clock for the AY chip. That is why I ...
    Johan1973 Johan1973 August 2012 Hardware
<1234567…34>

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