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<1…13141516171819…34>
  • Simple explanation of interrupts (in the context of Z80/Speccy)I wondered if somebody on here could explain in simple terms how interrupts work on the Speccy and where interrupts are source from. Are they a natur…

    ... a natural feature of the Z80, or are they instigated via ...
    takapa takapa June 2012 Development
  • Is there a DD40 instruction?On this page: [URL="http://mdfs.net/Software/Z80/Exerciser/Spectrum/zexall.src"]Z80 instruction set exerciser for Spectrum[/URL] I noticed the belo…

    On this page:

    [URL="http://mdfs.net/Software/Z80/Exerciser/Spectrum ... /zexall.src"]Z80 instruction set exerciser ... /> but in the The Undocumented Z80 Documented (Sean Young) I don ...
    Korinel Korinel June 2012 Emulators
  • 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…

    ... from someone asking for a Z80 without the M1 problem.
    Z80's are suffering off, causing ... ' a ZX Spectrum with a Z80 which has this M1 problem ...
    bverstee bverstee June 2012 Hardware
  • Odd versions of the Multiface One.I've been looking through the adverts for the Multiface One and it's clear that there were a number of versions available. Note the earliest advert …

    ... through the adverts for the Multiface One and it's clear ...
    Jmk Jmk June 2012 Hardware
  • ZXTune - ZX Music playerHello, all! I am glad to announce my project on WoS! It's ZXTune - advanced ZX Music spectrum player and ripper. Here are some of the advantages of …

    ... is available due to any z80 emulation absence: ChipTracker, DigitalMusicMaker, DigitalStudio ... ://zxtune.googlecode.com"]Main project page[/URL]
    [URL="http://code ...
    Vitamin Vitamin July 2012 Announcements
  • Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…

    ... with another useless project: new Z80 emulation core written in pure ... , i can't test FUSE z80 core, but i think that ... /> also, zymosis passes all FUSE z80 tests (i'll try to ...
    Ketmar Ketmar July 2012 Emulators
  • Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…

    ... /> CC = sdcc
    AS = as-z80
    LD = sdcc
    LIB ... () {

    unsigned char * vmem = 16384;

    (*vmem)=255;
    tstih tstih July 2012 Development
  • Schematic of MULTIFACE 128Exist schematic of Multiface 128 ? I find on WOS only pictures of PCB layers. I mix both layers for possibility make schematic from picture, but it's…

    Exist schematic of Multiface 128 ? I find on WOS ... info about difference between MULTIFACE ONE and MULTIFACE 128 ?
    MF128 push ...
    velesoft velesoft July 2012 Hardware
  • Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…

    ... fits nicely in one 4K page (the basic size of a ... down on top of the Z80 with its legs in the ... to pin 19 of the Z80 up to the other input ... and GND pins of the Z80 on which it lies.
    Z80's WR pin by means ...
    Winston Winston August 2012 Hardware
  • TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …

    ... /> As first write byte with page number to each 8 ram ... actual
    tested ZX ram page (7=white,6=yellow,5 ... line sign number of bad page). After sign error cintinue in ... /> Test only first videoram memory (16384-32767).
    At end start ...
    velesoft velesoft August 2012 Sinclair Miscellaneous
  • z80 Code Profiling (RESOLVED)Hi All, Just a quick question to ask if there is any way of profiling z80 Code for the Speccy??? I'm trying to write a piece of software and I curr…

    ... is any way of profiling z80 Code for the Speccy???
    Shando Shando August 2012 Development
  • Spectrum 30 - Google+ Event PageAnyone thinking of stating a Google+ page for the event?

    Anyone thinking of stating a Google+ page for the event?
    takapa takapa August 2012 Sinclair Miscellaneous
  • Multiface 3Come on you lot, someone must have a multiface 3 they would like to sell.... :) Don't really want a huge load of stuff off ebay, just need the 3...?…

    Come on you lot, someone must have a multiface 3 they would like to sell.... :)

    Don't really want a huge load of stuff off ebay, just need the 3...???

    Many thanks

    Chris
    bigredjennings bigredjennings August 2012 Wanted
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... the multiplexer outputs from the Z80 side are higher. Hope that ... to implement an extra memory page (if needed). In addition to ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • WOS magazine page view on AndroidDidn't find any topic regarding this, so here it goes... Does anyone else have trouble using the magazine viewer when using the Android browser? I c…

    ... and try to see a page from any of the magazines ...
    zxbruno zxbruno September 2012 Sinclair Miscellaneous
  • Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …

    ... long time has a faulty Z80 (M1 line) so I heat ...
    Macc Macc September 2012 Hardware
  • Excel -> OpenOffice Z80 spreadsheet problemI tried transferring my [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/z80times.zip]Z80TIMES[/url] spreadsheet from Excel to OpenOffice the o…

    ... correct, as it looks up Z80 command timings from Einar's ...
    Battle Bunny Battle Bunny September 2012 Chit chat
  • creating a Facebook page for your blogI have a movie blog with some friends, and we decided to create a FaceBook page to get more viewers and so some of our friends don't miss our posts. …

    ... decided to create a FaceBook page to get more viewers and ... in to the new FB page? (I see it in most ...
    VanTammen VanTammen September 2012 Chit chat
  • Games Menu v2Hello WoS, Following [URL="http://www.worldofspectrum.org/forums/showpost.php?p=651506&postcount=234"]JTB's Games Menu v1[/URL], here's one I did w…

    ... />
    299 REM ****** PAGE 1 ******
    300 DATA " ... of List
    Each page ends on an 'EOL' ... this: DIR /X *.tap, *.z80, *.sna > J.txt< ... with the extension (.TAP, .Z80 ... ) and the full name ...
    XvarZ XvarZ October 2012 Announcements
  • Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…

    ... ://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PSC-New-Sinclair-ZX81 ...
    pkersey pkersey October 2012 Hardware
  • Wanted C&VG scan issue 18 page 97as subject wanted - C&VG scan issue 18 page 97 just that page as a hi res scan 300dpi or more please many thanks in advance.

    as subject

    wanted - C&VG scan issue 18 page 97 just that page as a hi res scan 300dpi or more please

    many thanks in advance.
    Steve(spt) Steve(spt) October 2012 Wanted
  • BASIC TKThe Brazilian book series "BASIC TK" is a trilogy, however only the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2001110"]first volume[/URL…

    ... /view?id=409704"]author's page[/URL]:

    [I]"A ... Sinclair computer, based on the Z80 microprocessor, that was launched in ...
    Einar Saukas Einar Saukas October 2012 Infoseek database
  • ZX Spin 0.666 FailsSeems to be broken. Whenever I try to open any file in any way, I get the same error - doubleclick the file, open a file via menu, even "insert a ta…

    ... .z80 file contains a block that decompresses to greater than 16384 bytes ...
    Gedlion Gedlion October 2012 Emulators
  • z80 mathMost likely you know old good [url]http://baze.au.com/misc/z80bits.html[/url] . Moment ago i accidentally find this page : [url]http://www.andreadr…

    Most likely you know old good [url]http://baze.au.com/misc/z80bits.html[/url] .

    Moment ago i accidentally find this page : [url]http://www.andreadrian.de/oldcpu/Z80_number_cruncher.html[/url]

    Looks like interesting reading.
    catmeows catmeows October 2012 Development
  • Fantasy Z80 instructions?This follows on from something catmeows said in another thread, and that I've been meaning to ask for a while. This may sound daft to people with mo…

    ... which current ones in the Z80 set would you replace?
    R-Tape R-Tape November 2012 Development
  • Adventure Skabet.z80Skabet.z80 (from Wos Archive) will not load.... Am I wrong ?

    Skabet.z80 (from Wos Archive) will not load....
    Am I wrong ?
    Tommy F-H Tommy F-H November 2012 Infoseek database
  • Multiface One MF I and Plus D +D and Spectrum 48kHi, I have an 48k Speccy. And a Plus D Interface. Now I want to use it together with a Multiface One, but it seems I can only have the MF1 oder th…

    ... use it together with a Multiface One,
    but it seems ...
    Luzie Luzie November 2012 Hardware
  • Multiface One for +D supportHello, I sold recently a Multiface One, but the customer cannot use it with his +D. It seems there are different versions and the one I had just sup…

    ... />
    I sold recently a Multiface One, but the customer cannot ... a new EPROM into this Multiface One so it works with ...
    Speccyman Speccyman November 2012 Hardware
  • divIDE +3e: How can I put games into hard disk?I've got a +3, a divIDE and the +3e ROMs. I want to copy some games in the CF card so my +3e could execute them from BASIC ("disabled" divIDE, loadin…

    ... some utility (or convert a z80 to tape or disk). ... transfers supported in emulators are Multiface... but they need the transfer ... utility that could convert a z80 to BASIC loadable blocks ( ... an utility that could convert Multiface 3 snapshots to snapshots ...
    Zup Zup December 2012 Games
  • New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…

    ... /misc/z80test-1.0.zip"]Z80 tester package[/URL] I have ...
    Patrik Rak Patrik Rak December 2012 Emulators
<1…13141516171819…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
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    mel the bell on April 21
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    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
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