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<1…13141516171819…34>
  • The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…

    ... a speed comparison on the Zilog site. eZ80 is fastest by ...
    JamesD JamesD February 2007 Sinclair Miscellaneous
  • The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…

    ... team! It's exactly as Zilog describe - a Z80 on steroids ... /> *quick addition... the Z380 was Zilog's main 32bit CPU, which ... cores were never released, and Zilog closed down it's 32bit ...
    Quazar Quazar February 2007 Sinclair Miscellaneous
  • Sam Revival magazine issue 16 now out! [Sam CoupIssue 16 of Sam Revival magazine is now out! This issue features the full Sam game 'Colony' on the coverdisk, which was written by Derek Koselo. Col…

    ... upgraded it to the 8086, Zilog set up and spawned the ...
    CKay CKay February 2007 Announcements
  • Sam Revival magazine issue 16 now out! [Sam CoupIssue 16 of Sam Revival magazine is now out! This issue features the full Sam game 'Colony' on the coverdisk, which was written by Derek Koselo. Col…

    ... with the 8080 :)

    Zilog was setup by an ex ...
    Quazar Quazar February 2007 Announcements
  • Audio level on a grey +2Hi all, I received yesterday my "new" Spectrum 128+2 grey. It's a french one (without modulator, and with specific roms : message in french). First …

    ... other overtones these days, too. CMOS parts are made up of ... outputs often won't drive CMOS properly. Generally, when you hear ... with the vast majority of CMOS and you get "undefined behaviour ...
    Winston Winston February 2007 Hardware
  • Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…

    ... than the original) - use only CMOS parts and a small FPGA ...
    Winston Winston March 2007 Sinclair Miscellaneous
  • Wanted 10 - 4116 Ram ChipsHi Can any one help I am trying to get hold of 10 4116 RAM chips for a 48K Spectrum. Does any one know who might stock them. I can get a minimum of …

    ... :

    "4116 - Dynamic RAM NMOS 16kx1 150nS 16-pin"

    "4116 - Dynamic RAM NMOS 16kx1 200nS 16-pin"
    NMOS 64kx1) in versions from 100nS ...
    Pilsener Pilsener March 2007 Wanted
  • Wanted 10 - 4116 Ram ChipsHi Can any one help I am trying to get hold of 10 4116 RAM chips for a 48K Spectrum. Does any one know who might stock them. I can get a minimum of …

    ... :

    "4116 - Dynamic RAM NMOS 16kx1 150nS 16-pin"

    "4116 - Dynamic RAM NMOS 16kx1 200nS 16-pin"
    NMOS 64kx1) in versions from 100nS ...
    DEATH DEATH March 2007 Wanted
  • Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…

    ... with a couple of speedy CMOS static chips, but then some ... ?

    There are also CMOS Z80 variants, as well, which ...
    Marcelo Marcelo March 2007 Sinclair Miscellaneous
  • Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url] You know it makes sense. We're winning at the moment, too... D.

    ... as much work as the Zilog!
    The C64 had three ...
    DonkeyPong DonkeyPong March 2007 Sinclair Miscellaneous
  • Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url] You know it makes sense. We're winning at the moment, too... D.

    ... as much work as the Zilog!
    [/quote]Bollocks
    [quote ...
    rich_chandler rich_chandler March 2007 Sinclair Miscellaneous
  • Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url] You know it makes sense. We're winning at the moment, too... D.

    ... as much work as the Zilog![/QUOTE]

    While the ...
    Winston Winston March 2007 Sinclair Miscellaneous
  • 5v Transformer.I've got a 5v 3A transformer, would this be ok to use with two 3.5 inch floppy drives?

    ... will be too much for CMOS inputs :-)

    The datasheet ...
    Winston Winston March 2007 Hardware
  • Reading the border colorI am building a snap-button to my ZX-PC Interface. Is there a way to read the bordercolor which is set by an OUT-command. (and please don't tell me …

    ... logic rather than LSTTL since CMOS inputs have a much higher ...
    Winston Winston April 2007 Hardware
  • How did people write large assembler programs on real Spectrums?I have been wondering how people did their development back on real Spectrums. If you should write a large program, there would first be an assembler…

    ... on the M68000 and the Zilog Z8000[/URL]. There's also ...
    zub zub April 2007 Development
  • Why design a new Spectrum?Every so often, someone posts up about designing a portable Spectrum, or a new Spectrum with improved hardware capabilities, but I don't see why. I m…

    ... ultimate Game Boy - with modern CMOS components, unlike a laptop PC ...
    Winston Winston May 2007 Sinclair Miscellaneous
  • Is Ferranti still alive ?And if not......why should there be any restrictions on manufacturing the ULA ?

    ... - quite easily. A single 64K CMOS static RAM for all of ...
    Winston Winston May 2007 Sinclair Miscellaneous
  • Why design a new Spectrum?Every so often, someone posts up about designing a portable Spectrum, or a new Spectrum with improved hardware capabilities, but I don't see why. I m…

    ... ultimate Game Boy - with modern CMOS components, unlike a laptop PC ...
    ewgf ewgf May 2007 Sinclair Miscellaneous
  • Assembly Instructions Help ListThere must be a list of instructions, what they stand for and what they do online somewhere, but I can't seem to find one. Does anybody know of one?

    Also, if you want the complete manual, check out the Z80 User Guide (available at z80.info as well as zilog.com). It's a huge PDF with everything you wanted to know about the Z80 and were afraid to ask. (Well, except undocumented instructions!)
    Winston Winston May 2007 Development
  • TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …

    ... with leaving inputs unconnected. A cmos part, eg, must have its ...
    Alcoholics Anonymous Alcoholics Anonymous May 2007 Hardware
  • Spin Assembler helpOK guys, here's a really stoopid question, and I expect you all to laugh. I can't find a manual to read either.... In SPIN's assembler, how do I de…

    ... /> I've downloaded code from Zilog that uses modern syntax and ...
    Geoff Geoff May 2007 Emulators
  • Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…

    ... ?
    [/quote]

    See zilog.com - they have the complete ...

    [url]http://www.zilog.com/products/partdetails.asp?id ...
    Winston Winston May 2007 Development
  • self-congratulatory post...Yay!!! Look what I just won!!! [url]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330125084105&ssPageName=ADME:L:DBS:US:11[/url] Andrew

    ... can be susbstituted for HCT CMOS, getting the RAM (long out ...
    Winston Winston June 2007 Sales
  • self-congratulatory post...Yay!!! Look what I just won!!! [url]http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=330125084105&ssPageName=ADME:L:DBS:US:11[/url] Andrew

    ... can be susbstituted for HCT CMOS, getting the RAM (long out ...
    andrew_rollings andrew_rollings June 2007 Sales
  • After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…

    ... too many MHz (or GHz). CMOS only consumes current (apart from ...
    Winston Winston June 2007 Chit chat
  • After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…

    ... too many MHz (or GHz). CMOS only consumes current (apart from ...
    Toxitalk Toxitalk June 2007 Chit chat
  • OT: PCB making service from OlimexI've just used Olimex to have my first boards 'factory made' (I usually just etch my own, but I needed a couple of my ALIAC-2 Z80 core boards, and th…

    ... mix of old and new Zilog parts - brand new Z80 and ...
    DEATH DEATH June 2007 Hardware
  • Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…

    ... 't replace TTL logic with CMOS series there).
    Sonic Sonic July 2007 Hardware
  • A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…

    ... , which you can download from Zilog. This is the complete reference ... here:
    [url]http://www.zilog.com/download/default.asp?type ...
    Winston Winston August 2007 Sinclair Miscellaneous
<1…13141516171819…34>

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