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Search Again :: Adv Search 1000 results in 0.002s
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  • I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…

    ... removal trick where you switch frequency on an interrupt to force ... lines of the display with frequency switches; using various combinations it ...
    Matt_B Matt_B September 2009 Chit chat
  • no colourany help please just fired up my spectrum 48k after many years at parents house keyboard works ok but it has no screen colour anymore jusy grey scale…

    ... old and is slightly off frequency - the first thing to try ... appear. Quite often though, the frequency will continue to drift as ... , so as the Speccy's frequency drifts, I can change TV ...
    Winston Winston October 2009 Hardware
  • no colourany help please just fired up my spectrum 48k after many years at parents house keyboard works ok but it has no screen colour anymore jusy grey scale…

    ... old and is slightly off frequency - the first thing to try ... appear. Quite often though, the frequency will continue to drift as ... , so as the Speccy's frequency drifts, I can change TV ...
    joe75 joe75 October 2009 Hardware
  • PS2 Spectrum Emulation ProblemHi, The PS2 Spectrum emulator, when copied to a CD, doesn't work. Does anyone know how I can get a spectrum emulator running on the PS2? Thanks

    ... output [B]progressive[/B] 15 kHz signal meaning you only get ...
    maiki maiki October 2009 Emulators
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    ... a big difference in clock frequency between the AY in 128K ... />
    [QUOTE=Mike Wynne]Board,Frequency,Register Select,Data


    If the clock frequency is the same between the ...
    zxbruno zxbruno October 2009 Hardware
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    ... Winston saying something about clock frequency not being a big deal ...
    zxbruno zxbruno October 2009 Hardware
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    I'm afraid clock frequency is a massive deal. It ... playing tunes written for one frequency on another chip because although ...
    chev chev October 2009 Hardware
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    ... Winston saying something about clock frequency not being a big deal ... two systems with the same frequency crystal. Although the two crystals ... is the doubling of the frequency)
    Winston Winston October 2009 Hardware
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    ... RAM because the effective clock frequency will keep changing!
    Winston Winston October 2009 Hardware
  • AY interface - How many possibilities?Currently the newest AY interface available for sale gives 16K and 48K owners a chance to add AY sound to their Speccy, but (correct me if I'm wrong)…

    ... RAM because the effective clock frequency will keep changing![/QUOTE]
    BloodBaz BloodBaz October 2009 Hardware
  • 48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…

    ... use the same ports and frequency as the 128K's AY ...
    zxbruno zxbruno November 2009 Sinclair Basic
  • ZXSpin 0.7 public testingOk, now that the private testing phase is over, I need to get more people testing ZXSpin 0.7 I am not terribly interested in emulation problems, bec…

    ... old "Fullspeed" - ie affects interrupt frequency and screen timings. It shouldn ...
    TVzombie TVzombie November 2009 Emulators
  • ZXSpin 0.7 public testingOk, now that the private testing phase is over, I need to get more people testing ZXSpin 0.7 I am not terribly interested in emulation problems, bec…

    ... old "Fullspeed" - ie affects interrupt frequency and screen timings. It shouldn ... you'll realise that interrupt frequency is fixed to an instruction ...
    Dunny Dunny November 2009 Emulators
  • USA Newbie, lost with ZX SpectrumJust got a 48k ZX Spectrum from the UK and I'm in the US. Well, I'm having problems I wasn't expecting. The only lead to the TV mine has is an UHF a…

    ... that manage to remain on frequency while the machine warms up ...
    Winston Winston November 2009 Hardware
  • ZXSpin 0.7 public testingOk, now that the private testing phase is over, I need to get more people testing ZXSpin 0.7 I am not terribly interested in emulation problems, bec…

    ... you'll realise that interrupt frequency is fixed to an instruction ...
    TVzombie TVzombie November 2009 Emulators
  • 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…

    ... disassembled the code, as the frequency table is generated. From what ...
    Targhan Targhan 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…

    ... code I used, and the frequency table it creates is not ...
    Targhan Targhan November 2009 Development
  • Framerate of arcade gamesThe Golden Age of video games coincided with the birth of 8-bit home computing; this is why every computer of that era has a slew of really bad Pacma…

    ... 254 commands at the required frequency, waiting the required number of ...
    ajmoss ajmoss November 2009 Games
  • Framerate of arcade gamesThe Golden Age of video games coincided with the birth of 8-bit home computing; this is why every computer of that era has a slew of really bad Pacma…

    ... 254 commands at the required frequency, waiting the required number of ...
    Fikee Fikee November 2009 Games
  • Framerate of arcade gamesThe Golden Age of video games coincided with the birth of 8-bit home computing; this is why every computer of that era has a slew of really bad Pacma…

    ... 254 commands at the required frequency, waiting the required number of ...
    jonathan jonathan November 2009 Games
  • 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…

    To get the frequency table of the VT II, ...
    Targhan Targhan 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…

    ... think I'll trust any frequency table that has been "guessed ...
    Targhan Targhan November 2009 Development
  • When would you use LD A,R ?Can anyone tell me a practical use of LD A,R and LD R,A I am confused when you would need to use it? Cheers

    ...

    ld a,(hl) ; frequency + code
    inc hl
    ld e,a ; current frequency
    ld d,a
    frobush frobush November 2009 Development
  • Spectrum 128k +2a questionOn that model what is the purpose of IC 15 ? it is a hex inverter but I cant understant its purpouse I suspect it is malfunctioning in one of my spec…

    ... perfect square signal). Like clock frequency is high, this hex inverter ...
    Jose_Leandro Jose_Leandro November 2009 Hardware
  • 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…

    ... and AY Emul to Pentagon frequency :) so presumably the same note ... sound editors (standard
    AY-frequency 1,7734 MHz), but in ... is used for xUSSR AY frequency standard (is idealy closed to ...
    Lee_dC Lee_dC 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…

    btw, you can enter a specific chip frequency in AY Emul and VT, so you could hear how those chip frequencies you found should sound
    Lee_dC Lee_dC 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…

    ... can enter a specific chip frequency in AY Emul and VT ...
    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…

    ... extensive listing of concert pitch frequency / note associations spanning eight octaves ... the ts2068's nominal AY frequency as 1764750 Hz and this ... most definitely half the cpu frequency of whatever that is doubled ...
    Alcoholics Anonymous Alcoholics Anonymous 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…

    ... the ts2068's nominal AY frequency as 1764750 Hz and this ... most definitely half the cpu frequency of whatever that is doubled ...
    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…

    ... 423 Hz change in resonant frequency. There is also about 0 ...
    Alcoholics Anonymous Alcoholics Anonymous November 2009 Development
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Related Threads

  • Frequency in KHz of the TV outputI recently acquired a very cheap USB analog TV tuner. When I connect it to the cable TV, it only finds two channels. But when I change the frequency …
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