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Search Again :: Adv Search 1000 results in 0.020s
<1234567…34>
  • Harlequin turbo mode ( 7 MHz )Hi, All. Sorry for my bad english. I make Harlequin mod - turbo mode ( CPU clock 7MHz ) for Harlequin. Could you be so kind to write your opin…

    ... ( 7MHz ), OFF - Normal ( 3.5 MHz )

    You can switch ... mode too, or 3.5 MHz anytime ?
    In my schematic ... S2 switch between 3.5 MHz and 7 MHz of CLKB in turbo ... mode exactly 3,5 MHz or exactly CPUCLK ( 7 MHz )?

    Regards ...
    tetroid tetroid May 2016 Hardware
  • Win CE emusHi all again.. I was unable to get the HP machine mentioned in my previous post... Instead I got a Sharp HC-4000 with 73.7 MHz MIPS R3912 RISC Proc…

    Hi all again..

    I was unable to get the HP machine mentioned in my previous post...

    Instead I got a Sharp HC-4000 with 73.7 MHz MIPS R3912 RISC Processor.

    Does any of the Speccy emulators work with that?
    zeropolis79 zeropolis79 February 2004 Emulators
  • Pentagon/Scorpion Speed of software Just wanted to ask if anyone knows if the 7Mhz mode is ever/ or maybe frequently used on the Pentagon or Scorpion Spectrum clones... Just that with…

    ... seen is indeed running at 7 Mhz or the usual 3.54 ... Mhz and just some nifty acid ...
    CKay CKay December 2004 Sinclair Miscellaneous
  • ?8912 or 8912A?Hi! I've just changed a defective AY-3-8912A in a +3. Tried a spare 8912 from my "Vectrex spare box", and seemed to work ok: from +3 BASIC I played a…

    ... maximum clock frequency is 2 MHz. I don't know if ... chip is somewhere near 1,7 MHz?

    Is anything I ...
    mcleod_ideafix mcleod_ideafix July 2009 Hardware
  • RGB to VGA convertor for ZX (clones)[img]http://s44.radikal.ru/i106/0908/1a/28c90d0ca25b.jpg[/img] [img]http://s15.radikal.ru/i188/0908/f2/c1d66b5f6d4f.jpg[/img] It's GOOGLE translatio…

    ... than 14MHz (ZX128 use 17.7 MHz)

    ( +2/+2A/+3 ... use crystal 35.469 MHz and ZX128 use 17.7345 ... MHz )
    After modification VGA convertor ...
    velesoft velesoft August 2009 Hardware
  • "Your Game" - a ZX Spectrum game making competitionHello! Here is an interesting information from Alone Coder: **************************************** "Your Game" ZX Spectrum game making competi…

    ... (4MB in ZX Evolution), 7 MHz CPU (14 MHz in ZX Evolution) and ...
    Yerzmyey Yerzmyey May 2013 Sinclair Miscellaneous
  • Sinclair's Cancelled ProjectsDoes anybody have anymore info on any of these projects or are there any old Sinclair engineers on the Spectrum scene that could shed a little more l…

    ... . Loki was to have a 7 MHz Z80H CPU, 128 KiB of ...
    Rebelstar Rebelstar September 2014 Development
  • BASIC games that could be better if compiled?I was looking [url=https://worldofspectrum.org/forums/discussion/57843/best-compiled-basic-game#latest]this thread[/url] and I was wondering is speed…

    ... assembler or executing them at 7 MHz).

    What BASIC games ...
    Zup Zup July 2020 Games
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... ended up modular.

    7 MHz was given, but would have ...
    cj7hawk cj7hawk August 2021 Hardware
  • Spectrum modficationsThere is a post about Outrun on the games forum, which makes the fair point that the game is playable when you double the speed on an emulator. Other…

    ... Scorpion 256+ Turbo (3.5-7 Mhz). A normal Spectrum with optionaly ... splits up the 14 Mhz tact into 7 Mhz for video and 3 ... split it to 14 Mhz for ULA and 7 Mhz for CPU, switchable ... to 3.5 Mhz, you can ...
    LCD LCD March 2003 Sinclair Miscellaneous
  • Spectrum modficationsThere is a post about Outrun on the games forum, which makes the fair point that the game is playable when you double the speed on an emulator. Other…

    ... Scorpion 256+ Turbo (3.5-7 Mhz). A normal Spectrum with optionaly ...
    Dunny Dunny March 2003 Sinclair Miscellaneous
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... /> A) Yes, but 3.5xxx Mhz comes from dividing the frequency ... of 14 Mhz crystal and spliting it to ... frequency. If more speed, then 7 Mhz (at least for Spectrum 128 ...
    LCD LCD March 2004 Sinclair Miscellaneous
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... /> A) Yes, but 3.5xxx Mhz comes from dividing the frequency ... of 14 Mhz crystal and spliting it to ... frequency. If more speed, then 7 Mhz (at least for Spectrum 128 ... of line 0

    7) repeatedly holding down a key ...
    Sadako Sadako March 2004 Sinclair Miscellaneous
  • CHROME: a new ZX model! :)Probably You know already about 'last days news', but well... ;) Such informations are so important that I'll put it here: here is a news about n…

    ... /> Cpu speed is 3,58-7 MHz switchable via jumper or i ...
    Yerz Yerz April 2004 Sinclair Miscellaneous
  • Pentagon/Scorpion Speed of software Just wanted to ask if anyone knows if the 7Mhz mode is ever/ or maybe frequently used on the Pentagon or Scorpion Spectrum clones... Just that with…

    ... seen is indeed running at 7 Mhz or the usual 3.54 ... Mhz and just some nifty acid ...
    b00mzi11a b00mzi11a December 2004 Sinclair Miscellaneous
  • Would you buy speccy games if they were made/sold today?Say for some crazy instant that ZX Spectrum came back on the scene bigtime and they started making selling ZX Spectrum versions of the latest games, …

    ... could also do with a 7 Mhz processor to make it more ...
    Jmk Jmk January 2006 Games
  • early games questionhello when i was watching BBC news this morning,it said that that the PC was 25 years old.that begs the question,when did PC games start getting bet…

    ... 8088 chip running at 4.7 MHz, 10Mb 'Winchester drive', a 360K ...
    chaosmongers chaosmongers August 2006 Games
  • early games questionhello when i was watching BBC news this morning,it said that that the PC was 25 years old.that begs the question,when did PC games start getting bet…

    ... 8088 chip running at 4.7 MHz, 10Mb 'Winchester drive', a 360K ...
    Matt_B Matt_B August 2006 Games
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... would be to have a 7 MHz Z80, with a 3.5 ... MHz compatibility mode - which would then ...
    monty.mole monty.mole October 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... would be to have a 7 MHz Z80, with a 3.5 ... MHz compatibility mode - which would then ...
    JamesD JamesD October 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... . It would have had a 7 MHz Z80H CPU, 128K of fast ...
    Matt_B Matt_B October 2006 Sinclair Miscellaneous
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... too. "bits 6 and 7 of #7FFD port" is nice ... it uses bits 6 and 7 from #7FFD to set ... 128k compatibility mode. Bits 7 and 6 #7FFD port ... turbo on, "1" = turbo off (7 mHz turbo).
    bit 5 - not ... 384x304 video mode.
    bit 7 - not used.
    Information ...
    Sonic Sonic May 2007 Hardware
  • IDE-media only Spectrum games?A similar discussion is taking place at Speccy.org's forums, but I thought it was worth to start the topic here. Now that we have several IDE interfa…

    ... most advanced ZX clones - Pentagon + 7 MHz mod + 16col mod (videomode with ... usual ZX with 3.5 MHz and native videomode. Some years ...
    Shiru Shiru October 2007 Development
  • PonderingsWhen a website is loading really slow, I hear the sound of a Spectrum loading a SCREEN$ from tape in my mind. Am I normal?

    Or increasing the clock speed of the bus :-)

    A Dennis running at 7 MHz. That'll be good!
    Winston Winston January 2008 Chit chat
  • RZX reference samplesJust wondering, is it ok that neither Spin nor Spectaculator can replay the RZX reference samples provided on the [URL="http://www.ramsoft.bbk.org/rz…

    ... are barely enough for a 7 MHz as found in the Scorpion ...
    Luca Luca July 2008 Emulators
  • RZX reference samplesJust wondering, is it ok that neither Spin nor Spectaculator can replay the RZX reference samples provided on the [URL="http://www.ramsoft.bbk.org/rz…

    ... are barely enough for a 7 MHz as found in the Scorpion ...
    Patrik Rak Patrik Rak July 2008 Emulators
  • ZX-style gameLooking at the new Spectrum games, like Vera, I surprised. Two pages of discussion in your forum and twelve in Russian one ! Other new games has the…

    ... slow (Okay, I have a 7 Mhz Scorpion, so the games run ...
    LCD LCD September 2008 Games
  • MP3 interface for ZX SpectrumThis is new version of russian GENERAL SOUND interface with MP3 support: [url]http://translate.google.com/translate?u=http%3A%2F%2Fwww.nedopc.com%2F…

    ... some problems with turbo mode (7 MHz), and never was produced by ...
    Shiru Shiru October 2008 Hardware
  • MP3 interface for ZX SpectrumThis is new version of russian GENERAL SOUND interface with MP3 support: [url]http://translate.google.com/translate?u=http%3A%2F%2Fwww.nedopc.com%2F…

    ... some problems with turbo mode (7 MHz), and never was produced by ...
    mcleod_ideafix mcleod_ideafix October 2008 Hardware
  • ?8912 or 8912A?Hi! I've just changed a defective AY-3-8912A in a +3. Tried a spare 8912 from my "Vectrex spare box", and seemed to work ok: from +3 BASIC I played a…

    ... that sound is about 1.7 MHz near of 2MHz max frecuency ... clock up to 3.6 MHz)

    Bye

    Jose_Leandro Jose_Leandro July 2009 Hardware
<1234567…34>

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