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  • Looking for rare TZX blocksBy rare I mean out of the hundreds of TZX I have non of the following blocks exist. I need to test my loading/handling/saving code. Are there any TZX…

    ... , Andrew Barker wrote:
    Regarding Polarity for Spectrum tapes, there's ...
    Philip Kendall Philip Kendall April 2005 Emulators
  • Looking for rare TZX blocksBy rare I mean out of the hundreds of TZX I have non of the following blocks exist. I need to test my loading/handling/saving code. Are there any TZX…

    ... of the file for a polarity block.


    About ...
    Fraser Fraser April 2005 Emulators
  • Looking for rare TZX blocksBy rare I mean out of the hundreds of TZX I have non of the following blocks exist. I need to test my loading/handling/saving code. Are there any TZX…

    ... of the file for a polarity block.
    [/quote]

    Philip Kendall Philip Kendall April 2005 Emulators
  • Looking for rare TZX blocksBy rare I mean out of the hundreds of TZX I have non of the following blocks exist. I need to test my loading/handling/saving code. Are there any TZX…

    ... waves will start with a polarity that depends on many things ... always start with the current polarity.
    Fraser Fraser April 2005 Emulators
  • Looking for rare TZX blocksBy rare I mean out of the hundreds of TZX I have non of the following blocks exist. I need to test my loading/handling/saving code. Are there any TZX…

    ... waves will start with a polarity that depends on many things ... always start with the current polarity.
    [/quote]

    Well ...
    Philip Kendall Philip Kendall April 2005 Emulators
  • searching for that game.My friend used to have a game that we used to play, I cant remember what it was called the only thing I can remember was that during the loading scre…

    [quote]
    On 2005-04-10 21:16, dave_beer_uk wrote:
    I just tried with Spin (v0.504) and the result is the same...
    [/quote]

    Invert Tape Polarity : CHECK
    Mr. Anonymous Mr. Anonymous April 2005 Games
  • Psycho Hopper problems.Hi! At somebody game [url="ftp://ftp.worldofspectrum.org/pub/sinclair/games/p/PsychoHopper.tzx.zip"]Psycho Hopper[/url] is loaded? And if yes, in wh…

    ... end OFF
    Invert tape polarity OFF
    Standard blocks(Flash ...
    Skarpo Skarpo May 2005 Sinclair Miscellaneous
  • Probs with PC can anyone help ???I'm having problems with my computer so have to write this email at work. My machine at home is giving me real problems and I wondered if anyone can …

    ... danger of fusing the bypass diode that is between the reset ...
    swordheart swordheart May 2005 Chit chat
  • Probs with PC can anyone help ???I'm having problems with my computer so have to write this email at work. My machine at home is giving me real problems and I wondered if anyone can …

    ... danger of fusing the bypass diode that is between the reset ...
    mel the bell mel the bell May 2005 Chit chat
  • MASK - is it working yet?Hi everybody, I've been playing with the MASK tzx trying to get it to load... which it doesn't... and I found an old thread saying there was a new d…

    ... an emulator which has a polarity setting otherwise it fails.
    Andrew Barker Andrew Barker June 2005 Emulators
  • MASK - is it working yet?Hi everybody, I've been playing with the MASK tzx trying to get it to load... which it doesn't... and I found an old thread saying there was a new d…

    ... work. If I invert the polarity then it does load the ...
    Spirantho Spirantho June 2005 Emulators
  • MASK - is it working yet?Hi everybody, I've been playing with the MASK tzx trying to get it to load... which it doesn't... and I found an old thread saying there was a new d…

    ... loaded the existing TZX with polarity in 128k mode on ZX ...
    Andrew Barker Andrew Barker June 2005 Emulators
  • How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …

    ... discussed here in the forums (polarity block, a more general turbo ...
    Luca Luca June 2005 Emulators
  • Lost a vital part of my +2I got my speccy from out of the loft were it had been for sometime and i cant find the power supply anywhere. Is there another lead that i can use or…

    Remember that the polarity is an annoying way around. Positive on the outside...
    Putting in a supply the wrong way around will kill it!
    absorbentgnome absorbentgnome July 2005 Sinclair Miscellaneous
  • Lost a vital part of my +2I got my speccy from out of the loft were it had been for sometime and i cant find the power supply anywhere. Is there another lead that i can use or…

    Ya you can use any old 9v thing so long as the polarity is right (solder iron to the rescue) and the ampage is there. Im using an off the shelf one here in the states to run my speccy with no probs.
    beanz beanz July 2005 Sinclair Miscellaneous
  • need help with power supply: AC-DC adaptorHi guys, I need some help with explanation.. My original ZX powersupply is out of order so I?m going to use ac-dc adaptor instead. In the manual for …

    ... . Just be clear about the polarity before hooking it up.
    beanz beanz July 2005 Sinclair Miscellaneous
  • Commodore 16 (yuk!) help neededJust got hold of a whole bunch of retro computers. Slowly working through them, fixing, canibalising, dumping etc. does anyone know what power suppl…

    ... i knew the voltage and polarity etc. Any help appreciated but ...
    rich_chandler rich_chandler July 2005 Sinclair Miscellaneous
  • Commodore 16 (yuk!) help neededJust got hold of a whole bunch of retro computers. Slowly working through them, fixing, canibalising, dumping etc. does anyone know what power suppl…

    ... i knew the voltage and polarity etc. Any help appreciated but ...
    mel the bell mel the bell July 2005 Sinclair Miscellaneous
  • My 48+ Power Supply is buzzing.Is this a bad thing? It only started doing this a few days ago. Can the original 48K power supply be used on a +? The FAQ says that they both have t…

    ... the MDII has a reversed polarity
    chaosmongers chaosmongers September 2005 Sinclair Miscellaneous
  • Strobe effect on 48kHiya, I wonder if anyone else has experienced this or knows what causes it. I`ve got 3 Spectrums - a 48K, +, and a +2B. I`ve noticed that with the di…

    ... supply died, I reversed the polarity on an old Oric PSU ...
    chaosmongers chaosmongers October 2005 Sinclair Miscellaneous
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... a few problems with bit polarity (AFAIK), it renders the vast ...
    GOC GOC October 2005 Development
  • Spectrum 128k(Heatsink)Hi A friend of mine picked up a spectrum+ 128k at a carboot sale at the weekend The thing is it did not come with a power pack Reading from anoth…

    Did the original 48K power supply not have a positive centre? The 128K is negative centre polarity. Obviously you've got it working, so there's no problems, but I thought they changed things around for the original 128K model.
    Spector Spector October 2005 Sinclair Miscellaneous
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... a few problems with bit polarity (AFAIK), it renders the vast ...
    piters piters October 2005 Development
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... used special tape recorder, where polarity is fixed, frequency range is ...
    piters piters October 2005 Development
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... used special tape recorder, where polarity is fixed, frequency range is ...
    Andrew Barker Andrew Barker October 2005 Development
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... ???? (block length)
    0x00 (initial polarity: 0/1 - possibly include other ...
    Luca Luca October 2005 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... peaks are of the correct polarity?

    MikeW
    MikeW MikeW November 2005 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... for MakeTZX ;)

    Concerning polarity, there's no need to ... already has its own initial polarity flag.

    At this ...
    Luca Luca November 2005 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... yet, though?

    Set Polarity Block: good idea.

    Philip Kendall Philip Kendall November 2005 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... our problems.

    - Set Polarity Block - a must

    Tom-Cat Tom-Cat November 2005 Emulators
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