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Search Again :: Adv Search 926 results in 0.001s
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  • Something that just occured to me (Windows 8 related)Even though personally I probably won't be putting Windows 8 on any of my PCs, as it offers no real advantage for me, I have to keep my hand in with …

    ... =AndyC;647814]It's DVD decoding, for which there is a ...
    guesser guesser August 2012 Chit chat
  • Some more PC questions1. Since we ended up discussing Linux in another thread, it made me wonder is Linux really, objectively faster than Windows? I mean, can you run, say…

    ... of operations using in video decoding, for example. More generally, the ...
    AndyC AndyC August 2012 Chit chat
  • Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …

    I would check the diodes and chips along the keyboard decoding line. The problem happens when it gets warm, then I can't say the culprit would be a resistor or capacitor. Most likely a semiconductor, rough guess. People correct me if I'm wrong.
    pkersey pkersey August 2012 Hardware
  • Semi-Dead Spectrum - Help RequestedI have finally got my hands on my two old Spectrums - neither of which work, but ideally I hope to get both of them working again. Spectrum number o…

    ... the Speccy rely on some decoding chip for the keyboard presses ...
    pkersey pkersey October 2012 Hardware
  • Semi-Dead Spectrum - Help RequestedI have finally got my hands on my two old Spectrums - neither of which work, but ideally I hope to get both of them working again. Spectrum number o…

    ... the Speccy rely on some decoding chip for the keyboard presses ...
    guesser guesser October 2012 Hardware
  • Freaky Freeview!Erm, I had no idea you could connect 1 standard Freeview box to 2 different TVs and get different channels simultaneously. Cool. Discovered this by…

    ... have only one video output. Decoding the stream is only half ...
    guesser guesser October 2012 Chit chat
  • Freaky Freeview!Erm, I had no idea you could connect 1 standard Freeview box to 2 different TVs and get different channels simultaneously. Cool. Discovered this by…

    ... have only one video output. Decoding the stream is only half ...
    Marko Marko October 2012 Chit chat
  • semi dead speccy 48k who can helpHi forum , i am busy recovering a 48 k speccy issue 3 board unit. With the help of a more experienced spectrum user from the uk , i managed to get…

    ... of this to make the decoding circuits for the ROM simple ...
    1024MAK 1024MAK October 2012 Hardware
  • semi dead speccy 48k who can helpHi forum , i am busy recovering a 48 k speccy issue 3 board unit. With the help of a more experienced spectrum user from the uk , i managed to get…

    ... wishful thinking, and original ULA decoding is simpler...

    Should ...
    RetroTechie RetroTechie October 2012 Hardware
  • Encyclopaedia GalacticaThis is the development thread for Encyclopaedia Galactica, the game upon which I'm currently working, along with a few others. The idea is that the…

    ... species collected initiates the DNA decoding sequence. This is a minigame ...
    jonathan jonathan October 2012 Development
  • decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…

    ... can also help with the decoding - e.g. I said the ...
    ccowley ccowley October 2012 Sinclair Miscellaneous
  • Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …

    ... no more (like the partial decoding for the I/O functions ...
    1024MAK 1024MAK October 2012 Hardware
  • 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…

    ...
    Table translation (for encoding/decoding), TRDB (plus variants)[/CODE]
    RST#08 RST#08 November 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…

    ... make the pipeline and instruction decoding much, much simpler.
    Winston Winston November 2012 Development
  • 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…

    ... and make a complete decoding instead of partial decoding, so freeing ports ...
    mcleod_ideafix mcleod_ideafix November 2012 Hardware
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... data with software doing the decoding etc), the +128K RS232 socket ...
    toadstool toadstool November 2012 Development
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... here. We use full port decoding (A5=A6=A7=0) instead ...
    antoniovillena antoniovillena December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... here. We use full port decoding (A5=A6=A7=0) instead ... true. It's not full decoding, you use only three adress ... bits A7-A5. Full decoding is A7-A0. Czech devices ...
    velesoft velesoft December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... true. It's not full decoding, you use only three adress ... bits A7-A5. Full decoding is A7-A0. Czech devices ...
    antoniovillena antoniovillena December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    [QUOTE=velesoft;668202]Not true. It's not full decoding, you use only three adress bits A7-A5. Full decoding is A7-A0. [/QUOTE]

    To be pedantic, full decoding is A15-A0...
    Winston Winston December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    One example of port decoding using a 74HCT30 (74HC30) and ...
    1024MAK 1024MAK December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    :) [B]antoniovilena[/B], do so, and all the problems with decoding disappear: [url]http://zx.clan.su/_ld/0/1_TRUE_IORQ.png[/url]
    Black_Cat Black_Cat December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... , and all the problems with decoding disappear: [url]http://zx.clan ...
    velesoft velesoft December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... , and all the problems with decoding disappear: [url]http://zx.clan ...
    antoniovillena antoniovillena December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... therefore can be of any decoding. None of the exUSSR clone ... does not use a full decoding for port #FE. All modern ...
    Black_Cat Black_Cat December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... can be of any decoding. None of the exUSSR ... port table with ULA port decoding on russian clones:
    ... /> [code]
    PORT ADRESS DECODING
    hex/dec A15 ... ... (not confirm that the decoding for a computer #5(Didaktik ...
    velesoft velesoft December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... port table with ULA port decoding on russian clones:
    [url ...
    Black_Cat Black_Cat December 2012 Hardware
  • Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…

    ... />
    // Kempston. Port decoding I/O: xx0xxxx1
    // Positive ... />
    // Fuller. Port decoding: 0xxxxxx1
    // Negative logic.

    // Sinclair. Port decoding (16 bits): xxx0xxxxxxxxxxx0
    // Negative ...
    mcleod_ideafix mcleod_ideafix January 2013 Hardware
  • ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …

    ... of this scheme is that decoding one bit means multiplying.
    catmeows catmeows January 2013 Brand new software
  • Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…

    ... should be included in the decoding.
    mcleod_ideafix mcleod_ideafix January 2013 Hardware
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