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<1…13141516171819…34>
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... /> Why a TV would have 50Hz and a range of 140v ...
    Tupin Tupin November 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... /> Why a TV would have 50Hz and a range of 140v ...
    Hercules Hercules November 2009 Hardware
  • Another set of USA newbie ZX Spectrum questions.So yeah, I'm considering getting a ZX Spectrum 48k pretty soon, but since I'm not in the country of origin, I have a few questions about it. First, …

    ... , shouldn't a TV with 50Hz and a voltage tolerance up ...
    Tupin Tupin November 2009 Hardware
  • WANTED: ZX Spectrum 48kHi, I'm looking for a ZX Spectrum 48k. I am looking for a basic system with a Kempston Interface. Everything else I can find here in America. Yes, ev…

    I'm getting a step up converter and I'm going to mod the Spectrum for composite. I have a TV that does 50Hz, and can easily buy a PAL-NTSC video converter.
    Tupin Tupin November 2009 Wanted
  • WANTED: ZX Spectrum 48kHi, I'm looking for a ZX Spectrum 48k. I am looking for a basic system with a Kempston Interface. Everything else I can find here in America. Yes, ev…

    ... have a TV that does 50Hz, and can easily buy a ...
    beanz beanz November 2009 Wanted
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... tables for the Spectrum 128 @50Hz, the TS2068 @60Hz, and the ... TC2068 @50HZ. If anyone can supply the ...
    chev chev November 2009 Development
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... being at 60Hz rather than 50Hz in the TS2068, and I ...
    chev chev November 2009 Development
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... being at 60Hz rather than 50Hz in the TS2068, and I ...
    gasman gasman November 2009 Development
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... TS are:
    TZX tstates are based on a ... to be 1710 3.5MHz tstates in length (e.g ... average 1697 3.5MHz tstates (my program works in ... set pulse of 1696.428571427207896 tstates, but am less willing ... of 1695.707607309817255 3.5MHz tstates, though I acknowledge the ...
    Fred Fred November 2009 Development
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... which only deals with integer tstates which introduces some error, though ...
    Fred Fred November 2009 Development
  • While we're on about graphics...I did this for ZXSpin: [img]http://sites.google.com/site/pauldunn/CRT.png[/img] Which is a 2x filter, simulating (badly) a CRTdisplay. This is the…

    ... .php?t=18136&highlight=50Hz[/URL]

    Open question ... interrupt. E.g. speccy is 50Hz, PC runs 60Hz monitor refresh ...
    omega omega November 2009 Emulators
  • While we're on about graphics...I did this for ZXSpin: [img]http://sites.google.com/site/pauldunn/CRT.png[/img] Which is a 2x filter, simulating (badly) a CRTdisplay. This is the…

    ... .php?t=18136&highlight=50Hz[/URL]

    Open question ... interrupt. E.g. speccy is 50Hz, PC runs 60Hz monitor refresh ...
    Arda Arda November 2009 Emulators
  • While we're on about graphics...I did this for ZXSpin: [img]http://sites.google.com/site/pauldunn/CRT.png[/img] Which is a 2x filter, simulating (badly) a CRTdisplay. This is the…

    ... .php?t=18136&highlight=50Hz[/URL]

    Open question ... interrupt. E.g. speccy is 50Hz, PC runs 60Hz monitor refresh ...
    Dunny Dunny November 2009 Emulators
  • Power supply questionHi all, my 48k power supply has suddenly started getting very noisy, and I'm getting worried in case it blows up my favourite Speccy. I'm on the look…

    ... normal thing, its because of 50Hz (or 60Hz) input voltage and ...
    orange orange December 2009 Hardware
  • Power supply questionHi all, my 48k power supply has suddenly started getting very noisy, and I'm getting worried in case it blows up my favourite Speccy. I'm on the look…

    ... normal thing, its because of 50Hz (or 60Hz) input voltage and ...
    Pilsener Pilsener December 2009 Hardware
  • This Is Your (Gaming) LifeHi there spec-chums. I'm in an inquisitive mood, and feel like doing a bit of writing, so I was wondering if you folks would like to share the story …

    ... I can only play on 50hz.

    [quote]But apparently ...
    Lebowsk1 Lebowsk1 December 2009 Chit chat
  • Looking for a +3 power supply unitHi, folks! I'm looking for a +3 PSU, in good condition. I would be very grateful if anyone sells one and can send it to Spain for a nice price. Pl…

    ... as the UK, 220/240-50Hz. And talking about socket shape ...
    [UFO] [UFO] February 2010 Wanted
  • Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…

    ... slower. There is now a 50Hz ticker routine in there so ...
    Jimmy Jimmy February 2010 Development
  • Help fix this keyboard read program?This code runs in an interrupt routine with DI. What would be the simplest way of making it so it doesn't auto repeat a keypress? [code]keys: ld a…

    Keeping track of tstates because I wanted to write ...
    FrankT FrankT February 2010 Development
  • iXpectrum 1.1 added touch keyboard and ULAplus support.Hi, a new release for iXpectrum. ;) I added a touch keyboard in landscape and portrait mode. I think it is very usable and let you play text adventu…

    ... " can't work properly);
    - 50hz works with delays (can't ...
    riskej riskej February 2010 Emulators
  • iXpectrum 1.1 added touch keyboard and ULAplus support.Hi, a new release for iXpectrum. ;) I added a touch keyboard in landscape and portrait mode. I think it is very usable and let you play text adventu…

    ... " can't work properly);
    - 50hz works with delays (can't ... at full speed the 50hz mode. The 50hz mode is useful to ... nice effects. To play with 50Hz you need a 3gs or ...
    Seleuco Seleuco February 2010 Emulators
  • My first program - a vertical scrollerHi all, I'm new here. Nice to meet you all! A couple of weeks ago I decided to learn Z80 assembly language. I spent many hours in front of the Spec…

    ... jitter-free on a proper 50Hz display, but comes at the ...
    riv riv March 2010 Development
  • Audio Output Filtering in EmulatorsI am messing around with various beeper-related code at the moment and have a question related to the audio output from emulators... I've written s…

    ... 44.1KHz there are ~79 tstates per sample (@3.5MHz). For ...
    obo obo March 2010 Emulators
  • Audio Output Filtering in EmulatorsI am messing around with various beeper-related code at the moment and have a question related to the audio output from emulators... I've written s…

    ... 44.1KHz there are ~79 tstates per sample (@3.5MHz). For ...
    ccowley ccowley March 2010 Emulators
  • My first program - a vertical scrollerHi all, I'm new here. Nice to meet you all! A couple of weeks ago I decided to learn Z80 assembly language. I spent many hours in front of the Spec…

    ... jitter-free on a proper 50Hz display, but comes at the ...
    Mister Beep Mister Beep March 2010 Development
  • Graphics: What is the point of ...... actually, let me apologize for such a stupid vague thread title, I so wanted to avoid this but the whole sentence I wanted to write is just way t…

    ... with the Speccy with its 50Hz rate.

    The end ...
    joefish joefish April 2010 Sinclair Miscellaneous
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... and try to emulate this 50Hz Tv refresh.

    It ...
    Ralf Ralf April 2010 Emulators
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... and try to emulate this 50Hz Tv refresh.[/QUOTE]

    Madonna Mk 2 Madonna Mk 2 April 2010 Emulators
  • CPU speed measure possible?Is it possible to measure the CPU speed and shows the result on a LED display? Micky

    ... use the correct number of Tstates. Comparing the number of Xtal ...
    roko roko May 2010 Hardware
  • converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …

    ... use correct timing via interrupt 50Hz then games work correct. 3D ...
    velesoft velesoft May 2010 Games
<1…13141516171819…34>

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