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  • Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …

    ... Sinclair machines use lazy port decoding so every even port is ...
    chev chev May 2011 Sinclair Basic
  • Official release of new K-MOUSE 2008 interface[url]http://velesoft.speccy.cz/kmturbo2008-cz.htm[/url] This is official release of new K-MOUSE 2008 interface. New layout, design, new schematic. …

    ... software suppport, possibility read port #7FFD, new PCB design (no need ...
    velesoft velesoft May 2011 Hardware
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... value sent to OUT 32765 (#7ffd)"

    so why is ... ; send pattern 1 to port 7ffd
    ld b,0xfe
    tstih tstih June 2011 Development
  • CrusoeI'm making slow progress in mapping & debugging this game, having to restart several times due to various unfortunate events. The latest was getting …

    ... dealing with the spiders, or decoding the messages found on bits ...
    Battle Bunny Battle Bunny June 2011 Games
  • Official release of new K-MOUSE 2008 interface[url]http://velesoft.speccy.cz/kmturbo2008-cz.htm[/url] This is official release of new K-MOUSE 2008 interface. New layout, design, new schematic. …

    ... software suppport, possibility read port #7FFD, new PCB design (no need ...
    LCD LCD June 2011 Hardware
  • GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…

    ... /> -add readable state of port #7FFD
    -etc...

    Is ...
    velesoft velesoft June 2011 Development
  • MicroSpeech Entry PointsHello Hardware Guys, Do any of you have any information regarding the MicroSpeech ROM. In particular: 1) Do you know what addressess cause it to p…

    ... gate array that does the decoding reads the /WR signal plus ...
    roko roko June 2011 Hardware
  • MicroSpeech Entry PointsHello Hardware Guys, Do any of you have any information regarding the MicroSpeech ROM. In particular: 1) Do you know what addressess cause it to p…

    ... (Address AND NOT (/WR)) for decoding the memory reads. ie: PEEK ...
    Woody Woody June 2011 Hardware
  • 3D Construction Kit User Group NewsletterThanks to a contributer to the Lemon64 board, I now have the (near) complete set of 3D Construction Kit User Group newsletters, which feature Speccy …

    ... , the hardest part would be decoding the data file format. After ...
    Dunny Dunny June 2011 Support files
  • 3D Construction Kit User Group NewsletterThanks to a contributer to the Lemon64 board, I now have the (near) complete set of 3D Construction Kit User Group newsletters, which feature Speccy …

    ... , the hardest part would be decoding the data file format. After ...
    John Elliott John Elliott June 2011 Support files
  • MicroSpeech Entry PointsHello Hardware Guys, Do any of you have any information regarding the MicroSpeech ROM. In particular: 1) Do you know what addressess cause it to p…

    ... gate array that does the decoding reads the /WR signal plus ... (Address AND NOT (/WR)) for decoding the memory reads. ie: PEEK ...
    BloodBaz BloodBaz June 2011 Hardware
  • Official release of new K-MOUSE 2008 interface[url]http://velesoft.speccy.cz/kmturbo2008-cz.htm[/url] This is official release of new K-MOUSE 2008 interface. New layout, design, new schematic. …

    ... modification). But state of port 7FFD will not readable and slave ...
    velesoft velesoft June 2011 Hardware
  • Runes of ZendosIve just got through January, now half way through February, my question is, did anyone ever do all 12 months? (btw, in case theres some here that d…

    ... 's a Runic Alphabet for decoding spells
    [center][img]http ...
    Battle Bunny Battle Bunny June 2011 Games
  • 128K Contention - How to get it right?With my recent hardware hackery, I've built a 128K (toastrack) clone. I can't quite get the contention right though. What I'm lack is a clear descri…

    ... looking at the partial
    ;; decoding of "port 0x7ffd"[/code]
    Philip Kendall Philip Kendall July 2011 Hardware
  • 128K Contention - How to get it right?With my recent hardware hackery, I've built a 128K (toastrack) clone. I can't quite get the contention right though. What I'm lack is a clear descri…

    ... looking at the partial
    ;; decoding of "port 0x7ffd"[/code][/quote ... high? (ie the 128 address decoding only considers A1 and A15 ...
    csmith csmith July 2011 Hardware
  • A standard emulator "hardware" for console outputAlmost every day, I want to copy text from zx spectrum format, yet, without peeking in the memory spending a lot of time, or typing it by hand, it is…

    ... ? I know spectrum's port decoding is rather messy, I don ...
    Arda Arda July 2011 Emulators
  • A standard emulator "hardware" for console outputAlmost every day, I want to copy text from zx spectrum format, yet, without peeking in the memory spending a lot of time, or typing it by hand, it is…

    ... ? I know spectrum's port decoding is rather messy, I don ...
    Philip Kendall Philip Kendall July 2011 Emulators
  • One for the geeksComplete this sentence::: U0c5c1pDQnRlU0F1TGk0dQ== (sorry, posted this to wrong group but can't seem to delete it)

    [QUOTE=guesser;550276]As I said before, the message is "Hold my ...."[/QUOTE]

    And you can reach it decoding base64 twice.
    Metalbrain Metalbrain July 2011 Chit chat
  • One for the geeksComplete this sentence::: U0c5c1pDQnRlU0F1TGk0dQ== (sorry, posted this to wrong group but can't seem to delete it)

    ... kiddin there were you, about decoding from Base64... Message reads "Hold ... those that want to try decoding it themselves with Base64, run ...
    kgmcneil kgmcneil July 2011 Chit chat
  • general beginner queriesHi, I bought myself recently a +3 and a devide extension. I was not in touch before with the speccy, but I am really surprised and delighted about th…

    ... /> - enable read value of port #7FFD (detect ram page, videoram, rom ...
    velesoft velesoft July 2011 Hardware
  • ZX Setup QuestionsHi guys! I have been reading around the forums and love what is goin on. Anyways I just got my first ZX Spectrum (16k, rubber keys, boxed and compl…

    ... monitor has no capability for 'decoding' TV signals...the color system ...
    beanz beanz August 2011 Hardware
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... describe it is "partial address decoding") an ambiguity arises and all ... the ULA (due to partial decoding again?), but it is recommended ... A0 is low. As partial decoding is employed, in order ... compatibility, the same partial address decoding should be used, as we ...
    PeterP PeterP August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... describe it is "partial address decoding") an ambiguity arises and all ... speccy uses incomplete/lazy/partial decoding (or whatever it's called ... the ULA (due to partial decoding again?), but it is recommended ...
    Arjun Arjun August 2011 Emulators
  • Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…

    ... was clear that the ROM decoding was partial, so the same ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…

    ... , the bit after the FSK decoding process, seems to be at ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…

    ... />
    It currently uses partial decoding for Kempston (xx0xxxx1) and Fuller ... perform a more issue-free decoding, if needed.

    On ...
    mcleod_ideafix mcleod_ideafix August 2011 Hardware
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... will cause a problem during decoding. Hence the suggested way is ...
    Arjun Arjun August 2011 Emulators
  • Please test your ZX128+2 (grey model)Please reset your ZX128+2 (grey) and write in 128 basic (or in USR0 mode): [B]PRINT IN 32765[/B] - if basic crash (black screen) then your ZX contai…

    ... suppurt) use instructions IN x,(#7FFD) and IN x,(#1FFD). Walker ... game read port 7FFD then crash on ZX128 and ...
    velesoft velesoft August 2011 Hardware
  • Emulation of ZX Spectrum 128+2 (grey)Please read this thread: [url]http://www.worldofspectrum.org/forums/showthread.php?t=35523[/url] result: exist 3 (or more) versions of grey ZX Spect…

    ...
    Rading of port 7FFD on ZX128 and grey +2 ... FF value. And why ? Adress 7FFD is slow (contended):
    ... border area then IN 7FFD is fast and data ... use uncomplette adressation of port 7FFD:
    IN 16381 ... 2 ignore reading from port 7FFD - On this models run ...
    velesoft velesoft August 2011 Emulators
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Latest Posts

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    Paradigm Shifter on 12:49AM
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    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
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