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  • 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…

    ... to hook up an ay chip internally to my upgrade 48k ...
    Johan1973 Johan1973 December 2012 Hardware
  • Hardware PCB scans. Good or bad idea?Is this sort of thing useful for preservation/WOS? I admit they are a bit wonky and I've done them as 400dpi and JPGed them to reduce the bandwidth.…

    ... socket next to the AY chip which might be for the ...
    Jmk Jmk December 2012 Hardware
  • How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…

    I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones.

    IMHO some main steps that have been taken are (in this sequence):
    1. the finishing of the complete description of the ZX ...
    bverstee bverstee December 2012 Hardware
  • +2 Grey - low 128k sound volumeI'm trying to revive my old grey +2.... First problem was a faulty RF signal, so I bought a SCART cable from Retro Computer Shack on e-bay (it's the…

    ... from the AY-3-8912 chip is very low when compared ...
    mappy24 mappy24 December 2012 Hardware
  • Video generation using a CPUWe know it is possible to generate a video signal using a CPU, and this technique was often used on low-end computers in the early 1980's (for exampl…

    ... operating system, and some other chip can do the rest of ...
    wilsonsamm wilsonsamm January 2013 Chit chat
  • How to check the whole memory on a +2 greyHi everybody!!! I suspect that i have a bad memory chip on my +2 Grey. Does anybody know if exist any utility to check the whole memory? Thanks a …

    Hi everybody!!!

    I suspect that i have a bad memory chip on my +2 Grey.

    Does anybody know if exist any utility to check the whole memory?

    Thanks a lot!!!
    ehontecillas ehontecillas January 2013 Hardware
  • +2B and Lots of Extras!Have a +2B, Alphacom Printer, Tape Deck, Light Gun and a load of games on eBay. You can view the auction [URL="http://cgi.ebay.co.uk/ws/eBayISAPI.dl…

    Have a +2B, Alphacom Printer, Tape Deck, Light Gun ...
    SimonLCFC SimonLCFC January 2013 Sales
  • +3 Stereo mod - soldering help neededI bought a few bits from Ben just recently, and yesterday I opened up the case of my +3 and tried to install the stereo mod. I got stuck quite early…

    ... pin header to the AY chip and wondering if anyone can ... -soldered leg of the AY chip, with soldering iron touching the ... the solder on the AY chip.

    Should I switch ... 've not cooked the AY chip (and it still works :) ) but ...
    gutted gutted February 2013 Hardware
  • Issue 6A trouble[url=http://postimage.org/image/xp4rtmfp1/][img]http://s18.postimage.org/xp4rtmfp1/P040213_13_34_01.jpg[/img][/url] Only socketed chip is ULA which …

    ... ][/url]

    Only socketed chip is ULA which ive swapped ...
    Macc Macc February 2013 Hardware
  • Currys IF+ECHO KEYBOARD+ORIGINAL TAPEHi! I'm looking for this, [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0008524[/url] Organ Master tape [url]http://www.worldofspectrum.org/…

    ... way to play the AY chip onboard with an external pianokeyboard ...
    DaRkHoRaCe DaRkHoRaCe February 2013 Wanted
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... a problem.
    -WD1772 chip, Eprom chip 27128, ram 6864, a bunch ...
    Severino Severino February 2013 Hardware
  • ZX mask ROM chips curiosityJust out of curiosity... what willl happen if we have a Hitachi ROM and the bridging onboard is on the N positions (for NEC)? While I was searching …

    ... for NEC rom but the chip (socketed) was replaced by a ...
    gtsamour gtsamour February 2013 Hardware
  • Designing a Modern 'Professional' low cost ZX Spectrum ??Hi, I'm looking at designing a low cost hight performance (20MHz) ZX Spectrum... in the mould of the original, but using modern-day components. The…

    ... )
    AY-3-812 Sound Chip ?? perhaps

    Keyboard PS ...
    lezanderson lezanderson February 2013 Sinclair Miscellaneous
  • maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …

    ... -bit Page Registers in Dave chip. The output from the selected ...
    Rebelstar Rebelstar February 2013 Hardware
  • This time for ATARI ST music fans ;)New ATARI 520ST album of YM-DIGITAL (ym2149 chip) Hi there. :) After 2 years of break, we prepared another ATARI ST album with MOD-music - YM-DIGI…

    ... album of YM-DIGITAL (ym2149 chip)

    Hi there. :)
    chip)

    Total Time: 50 ... ATARI 520ST computers with YM2149 chip.

    [url=http://ym ...
    Yerzmyey Yerzmyey February 2013 Chit chat
  • PlusD Mini: implementing the CPLDI am doing my first attempts on creating a CPLD to use as replacement for the PlusD's GAL (and other logic lateron). I use the Xilinx XC9500XL series…

    ... .3V voltage regulator, wired the chip to a PlusD and...

    [CODE]chip ALICE GAL20V8

    a14 ...
    bverstee bverstee February 2013 Hardware
  • New Game PC/Spectrum relatedI have been learning blitz basic over the past few days and have been getting into it really well. I thought that if i made games that looked and sou…

    ... i crack open the AY chip) and a few other things ...
    morcar morcar February 2013 Announcements
  • Games for sale/swapsPrices ?1 + Postage (from UK) for the original games 50p + Postage (from UK) for the cover tapes or swap - make me an offer. I'm after Codemasters …

    ... tape
    Survival, make-a-chip, tasword two, they sold a ...
    smogit smogit February 2013 Sales
  • ULA Plus demonstration!I have seen with my own eyes the ULA+ in action - the actual real hardware. Fortunately, so did the camera in my phone. Here's a short (shaky) video …

    ... plus the built-in AY chip (due to the noise of ...
    Winston Winston March 2013 Hardware
  • Sixword SwiftdiskI just got hold of a Sixword Swiftdisk interface, which seems to be a very interesting piece of hardware. It looks almost identical to an IF1, can co…

    ... to get such chip, resp. what type of chip to search for ...
    schombi schombi March 2013 Hardware
  • Dynamite Dan II - 128KVery interesting. I have just learned of this Dynamite Dan II, hacked to play the sound through AY chip rather than the 48K speaker: [url]http://www…

    Very interesting. I have just learned of this Dynamite Dan II, hacked to play the sound through AY chip rather than the 48K speaker:

    [url]http://www.ilnx.cz/index.php/dynamite-dan-ii-128/[/url]

    Sounds great to me!
    pepak pepak April 2013 Games
  • SAMPLE CONVERTER for SampleTrackerHi, [b]GOOD NEWS[/b] [url]http://yerzmyey.republika.pl/wav2tap.zip[/url] __________________________ GRUPA DUPA presents... ...for SampleTracker 2.…

    ... ).

    Tested on AY chip and BEEPER: works fine.
    Yerzmyey Yerzmyey April 2013 Development
  • Speccy games for sale - will post worldwideClear out of Speccy games from my own personal collection. All owned by me since new & in good condition. Prices as below - postage will be on top o…

    ... />
    25p
    Make A Chip (Sinclair)
    Scrabble (Sinclair)
    donglemouse donglemouse April 2013 Sales
  • Repair 128k +2 grey part2hi all, i am trying to fix it couple of weeks now, i bought a working one for tests and parts check so until now, power TRs are all news memory IC'…

    ...

    any other "main" chip on the board to replace ...
    xaris_sm xaris_sm April 2013 Hardware
  • TQFP Packaged CPLD, Which pin pitch?A quick question for those of you with surface mount experience. I am currently thinking about building a 128k clone, and hopefully have a bit of fu…

    ... then find that the wretched chip won't fit it.
    ramsrc ramsrc April 2013 Hardware
  • ARKANOID 128KDid anyone try this game? It was modified to work with an ULA+ (but it works also on regular 128k spectrums) and it have enhanced sound thanks the em…

    ... the employment of the AY chip.

    I tried it ...
    Spectrum Spectrum April 2013 Games
  • AY capabilities in a new ZX programHi. Finally in a ZX Spectrum version - "ASTRAL COMBAT". Download: [url]http://hooyprogram.republika.pl/astral_combat.zip[/url] it's a 3-parts mus…

    ... /> Well, some example of AY chip possibilities.
    [b]Works on ...
    Yerzmyey Yerzmyey April 2013 Brand new software
  • ZX 48 sound card , sam coupe audio chipPrototype done and working (thanks for Velesoft for schematic). [url]https://www.youtube.com/watch?v=RtsW1QZjHVs[/url] PCB done and ordered in PCB …

    Prototype done and working (thanks for Velesoft for schematic).

    [url]https://www.youtube.com/watch?v=RtsW1QZjHVs[/url]

    PCB done and ordered in PCB factory.

    [URL=http://www.fotosik.pl/showFullSize.php?id= ...
    zaxon zaxon April 2013 Hardware
  • another faulty zx spectrum +2 to fix!!!Hello to all, I'm new here... I have got a faulty +2 (gray) and start to try fix it... I have read the treads of xaris_sm and Pluto63 as background…

    ... hot...

    Two ram chip (IC28 and IC30) are very ... even if the two ram chip are completely dead (and not ... some tips for remove this chip? or I need to buy ...
    emilen72 emilen72 April 2013 Hardware
  • Nodes of Yesod 128k & Stars on the 128Hi all, I've listed these 2 on eBay. [URL="http://www.ebay.co.uk/itm/261206458364?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649"]Nodes of Y…

    ... . I've got Make-a-Chip and Scrabble too, but I ...
    Muig Muig April 2013 Sales
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Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
    dmsmith on April 22
  • I bought an accoustic guitar. How do you play it?
    Maroc's Other Projection on April 22
  • Goodbye Z80
    moggy on April 22
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on April 22
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on April 22
  • I am currently watching.....
    Antiriad2097 on April 22
  • European Software Titles with an English version
    harriusherbartio on April 22
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on April 22
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on April 22
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21

HitBox

Word Docs Hits
alphacom 156 191
chip 10.1K 13.6K

Related Threads

  • WANTED: 128k+ or 128k +2(early grey mod.) ULA chipHello,<br /> Attempting to repair my 128k+ speccy.<br /> Needs a ULA(IC1)chip from either a 128k+ or an early +2 will work also.<br /> If anyone has …
  • +2B & Connecting An Alphacom HELP!!!Hi there<br /> <br /> I recently bought an Alphacom32 and when i came to plug it in. I found that my +2B doesn't have a port for it. Can anyone help …
  • Alphacom 32 printer with Spectrum +2Can the printer be made to work other than in 48 BASIC mode?<br /> <br /> When the +2 is in 128 BASIC, the printer won't seem to respond to LPRINT or…
  • Want really good sound on your +3? Or any Speccy with an AY chip...Hi guys,<br /> <br /> This is the plans for a passive stereo mixer circuit with a built in amplifier I've been working on for your speccy.<br /> <br …
  • Alphacom 32 Printer for saleI'm selling an original Alphacom printer for the Spectrum / ZX81. As the printer and psu are heavy the p+p is ?4.99 so I'm starting the bidding low a…
  • Ay Chip & his 'friend' - the poll!Roll up, roll up. due to constant abuse of the forums, and it's members, I have decided it's time to show that the moderators are VERY serious when …
  • Ay Chip & his 'friend' - the poll!I didn't vote.
  • Chip tracking on a speccyhey. im a long time tracker. but new to the ZX spectrum, i just heard some AY riders music and i find it very good!<br /> how would i go about tracki…
  • Make a Chip Rare ... What a JokeLook at this Joker....<br /> <br /> Listing make a chip on ebay as Rare... Who's he kidding.<br /> <br /> [url]http://cgi.ebay.co.uk/SINCLAIR-ZX-SPEC…
  • One chip MSX (Altera FPGA)Hello,<br /> <br /> has anyone seen [URL="http://www.bazix.nl/onechipmsx.html"]this[/URL]? It's an one chip MSX 1/2 hardware device, completely re-pr…

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