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Search Again :: Adv Search 793 results in 0.002s
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  • Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…

    ... .

    I have used Zilog CMOS 10MHz Z80's from ... have also got a few Zilog CMOS 20MHz Z80's, hence ...
    1024MAK 1024MAK October 2012 Hardware
  • MEMPTR tests for emulator authorsI've recently been completing my MEMPTR implementation and have written a series of tests in [URL="http://homepage.ntlworld.com/mark.woodmass/z80test…

    ... run it on a genuine Zilog CPU, to see if it ...
    Patrik Rak Patrik Rak October 2012 Emulators
  • 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…

    ... , but that wasn?t what Zilog planned to do: their goal ...
    RST#08 RST#08 November 2012 Development
  • IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…

    ... accepted by that assembler (presumably Zilog's own). In the Addressing ... convention which it would seem Zilog decided not to follow when ...
    Battle Bunny Battle Bunny November 2012 Development
  • IX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…

    ... accepted by that assembler (presumably Zilog's own). In the Addressing ... convention which it would seem Zilog decided not to follow when ... "your assembler won't assemble zilog's example code" is hard ...
    guesser guesser November 2012 Development
  • MEMPTR tests for emulator authorsI've recently been completing my MEMPTR implementation and have written a series of tests in [URL="http://homepage.ntlworld.com/mark.woodmass/z80test…

    ... run it on a genuine Zilog CPU, to see if it ... believe it is a genuine Zilog CPU. I'll verify that ...
    Patrik Rak Patrik Rak November 2012 Emulators
  • MEMPTR tests for emulator authorsI've recently been completing my MEMPTR implementation and have written a series of tests in [URL="http://homepage.ntlworld.com/mark.woodmass/z80test…

    ... it should work fine on Zilog ones. Woody? Philip? Jon? Any ...
    Patrik Rak Patrik Rak November 2012 Emulators
  • SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…

    ... any reference to it in Zilog's Z80 Product Specification either ... "]MEMPTR, esoteric register of the ZiLOG Z80 CPU[/URL]
    [URL ...
    RetroTechie RetroTechie November 2012 Emulators
  • SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…

    ... any reference to it in Zilog's Z80 Product Specification either ...
    Patrik Rak Patrik Rak November 2012 Emulators
  • SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…

    ... second sourcing probably wasn't Zilog giving the second source the ... done so for just the Zilog model or others too...
    Winston Winston November 2012 Emulators
  • New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…

    ... Spectrum+, issue 4b, with a Zilog Z80 CPU.

    All ... on a +2a with a Zilog Z80 CPU.

    Testing ...
    zx81 zx81 December 2012 Emulators
  • New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…

    It would be great to get more feedback from this test running on more Zilog and clone CPUs to see what variations are out there.
    Fred Fred December 2012 Emulators
  • New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…

    ... operation, which I believed was Zilog behavior, rather than copy, which ... br />
    In case of Zilog CPU, the operations are either ... a base, not only because Zilog is the original manufacturer, but ... don't stick to original Zilog behavior either.

    ...
    Patrik Rak Patrik Rak December 2012 Emulators
  • New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…

    ... been modified to be Zilog Z80 fully compliant (Zilog Inside!). :D
    zx81 zx81 December 2012 Emulators
  • New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…

    ... been modified to be Zilog Z80 fully compliant (Zilog Inside!). :D[/QUOTE ...
    Patrik Rak Patrik Rak December 2012 Emulators
  • How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…

    ... also called "hardware emulator" of Zilog Z80, right?

    So ...
    superfo superfo December 2012 Hardware
  • How far are we from a single-chip 100% ZX Spectrum compatible solution?I really like to read about the projects of some geniusses here on WoS who are working on their ZX Spectrum clones. IMHO some main steps that have b…

    ... also called "hardware emulator" of Zilog Z80, right?[/QUOTE]Yes
    Black_Cat Black_Cat December 2012 Hardware
  • Adding IDE to your Spectrum +2 A/B (or +3)Hello my fellow [B]WoS'ers[/B] [B]This is a shared thread with [url]www.amibay.com[/url] which you can [URL="http://www.amibay.com/showthread.php?t=…

    ... world in a Chip.... a Zilog Z80 chip.... one of the ...
    Zetr0 Zetr0 January 2013 Hardware
  • Which type of Z80 cpu to use with ZX 48?Which type of Z80 cpu can I use with ZX 48? Only the 4 MHz cpu's or some with more MHz? Did not know if a 6 MHz cpu runs in a ZX 48 with 4 MHz. Mic…

    I use a Zilog Z84C0006PEG CMOS 6 MHz Z80 cpu. Works very well.


    Micky
    [B]
    [/B]
    -Micky -Micky February 2013 Hardware
  • maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …

    ... (20MHz at its maximum, for Zilog CMOS devices, not counting FPGA ...
    mcleod_ideafix mcleod_ideafix February 2013 Hardware
  • Cheap electronic kits for hobbyists/Students etcAs prices start to get silly on ebay for electronic components like CPUs, Memory etc, I've sourced two suppliers from China that do me great deals. …

    ... [URL="http://uk.farnell.com/zilog/z84c0010peg/ic-cpu-z80-10mhz ...
    RetroTechie RetroTechie February 2013 Hardware
  • I thought I'd give assembly a goAnd well being an absolute newb,I'm absolutely useless.I need your help. I thought I'd give this a go in zxspin [url]http://chuntey.wordpress.com/20…

    ... that, you're ready for Zilog's Z80 Product Specification, T ...
    RetroTechie RetroTechie March 2013 Sinclair Basic
  • I thought I'd give assembly a goAnd well being an absolute newb,I'm absolutely useless.I need your help. I thought I'd give this a go in zxspin [url]http://chuntey.wordpress.com/20…

    Stumbled upon this one, new for me:
    [url]www.zilog.com/docs/z80/[/url][B]um0080[/B].pdf
    roko roko March 2013 Sinclair Basic
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... use either the SGS or Zilog variants ... later because of the ...
    Shockwav3 Shockwav3 April 2013 Hardware
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... have the "strongest" M1, and Zilog having a weaker one.
    mcleod_ideafix mcleod_ideafix April 2013 Hardware
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... have the "strongest" M1, and Zilog having a weaker one.[/QUOTE ... ]

    Yes, Zilog Z80 NMOS CPU have often ... line. But as I know Zilog Z80 CMOS CPU don't ...
    velesoft velesoft April 2013 Hardware
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    [QUOTE=velesoft;691696]Yes, Zilog Z80 NMOS CPU have often problem with M1 line. But as I know Zilog Z80 CMOS CPU don't have bad M1[/QUOTE]

    Is there any way to distinguish among NMOS and CMOS Z80?
    TK90XFan TK90XFan April 2013 Hardware
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... on the chip, for example Zilog:

    Z0840004PSC = NMOS Z80A ... . In the case of a Zilog (NMOS) Z80, normal power consumption ...
    RetroTechie RetroTechie April 2013 Hardware
  • The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…

    ... are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS ... CPU (brand not important, but Zilog CMOS Z80's are still ... the /M1 problem. Only some Zilog NMOS CPU's had a ...
    1024MAK 1024MAK April 2013 Hardware
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