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<1…10111213141516…34>
  • My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …

    ... used into the new NC100 Z80 development system.[/quote]

    z80 opcodes require no translation - the ... sense to use a newer Z80 - they have new features, new ... , goto [url="http://www.zilog.com"]www.zilog.com[/url], the eZ80 ...
    cyborg cyborg October 2002 Sinclair Miscellaneous
  • My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …

    ... /> It will use a Z80 CPU running at 6mhz, 128k ... Here they are:
    >Zilog Z80a clocked to maximum
    z80 from another. He has ... viable system when compiled to z80 asm. He doesn't ... "oh, erm, a 3.54mhz Z80"

    "Surely you ...
    Dunny Dunny October 2002 Sinclair Miscellaneous
  • The Great Mystification: A reflection upon the feebleness of the "distribution denied" policyThis argument has been debated several other times in this place, yet I have not expressed my thoughts about it, and I would like to hear comments by…

    ... .

    Unless Zilog starts complaining about the Z80 being emulated there ...
    cyborg cyborg November 2002 Games
  • Fake screenshots? No - now it's REAL screenshotsOk then. A few weeks ago I said I will show You the new gfx-mode of Speccy and - here it is: [url="http://republika.pl/hooy_prg/hprg.zip"]http://rep…

    ... though :) at least you undertand Z80 and how spectrum functions as ... /> I understand a lot of Z80, but I?m not a ... , you are able to translate Zilog?s DithvIDE program from C ...
    LCD LCD March 2003 Sinclair Miscellaneous
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... its own memory (466Kb) and Zilog processor, which can play 4 ... -bit sound samples. (emulated by Z80 Stealth and Unreal)
    moroz1999 moroz1999 June 2003 Games
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... its own memory (466Kb) and Zilog processor, which can play 4 ... -bit sound samples. (emulated by Z80 Stealth and Unreal)
    [/quote ...
    Spector Spector June 2003 Games
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... the offical Z80 specs from [url="http://www.zilog.com"]www.zilog.com ...
    cyborg cyborg June 2003 Games
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... samples. It has its own Zilog processor, and 466k of memory ... spectrums and not on emulators z80 stealth or unreal spectrum.
    Amigo Amigo July 2003 Games
  • Machine CodeI would like to learn how to use it. Where do I start? Thanks.

    ... -line tutorial introductions to the Z80:

    [url=" ... http://www.worldofspectrum.org/Z80.html"]http://www.worldofspectrum.org ... /> Here is a list of Z80 opcodes:

    [ ... the Z80 die where errors were more likely during manufacture. Zilog ...
    Alcoholics Anonymous Alcoholics Anonymous October 2003 Sinclair Basic
  • an idea that could be very very good...but also very very bad...Hello all! I've been having a chat with some of my friends round here that once loved the spectrum (well...2...as they're all heathens round here...)…

    ... more modern version of the z80 (EZ80) at 50mhz or so ...

    [url="http://www.zilog.com/products/partdetails.asp?id ... =eZ80190"]http://www.zilog.com/products/partdetails.asp?id ... lets you program a virtual Z80 on an FPGA as well ...
    b00mzi11a b00mzi11a January 2004 Emulators
  • i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…

    ... [/url]

    Some Z80 tutorials published in the '80s ... />
    The Z80 User Manual from Zilog. The instruction set description ... />
    [url="http://www.z80.info/zip/z80cpu_um.pdf"]http ... />
    [url="http://www.z80.info/z80flag.htm"]http://www ...
    Alcoholics Anonymous Alcoholics Anonymous February 2004 Development
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... ]are you sure about no Z80 being available with a bigger ... Pentium. A good idea by Zilog as noone ever uses LD ...
    cyborg cyborg March 2004 Sinclair Miscellaneous
  • SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …

    ... . But in the official Zilog documentation on Z80 processor, the instruction "out ...
    Vladimir Kladov Vladimir Kladov May 2004 Emulators
  • SpecEmu 2.1 betaFinally I think I've cracked all the gory contention details required by those trendy multicolour demos (48K/128K modes only, +3 contention can wait …

    ... is an effect because the Z80 must place 7ffd on the ... . But in the official Zilog documentation on Z80 processor, the instruction "out ...
    Philip Kendall Philip Kendall May 2004 Emulators
  • TASM, Z80 and Spec emusHi! Having some novice questions here regarding TASM and writing machine code for the Speccy emus... Now I have configured TASM into my EditPlus and…

    ... my knowledge about Z80 asm syntax? The demo z80 file with tasm ... />

    [quote]Any good Z80 guides on the net specific ... the directives standardized for Z80 assembler (Either by Zilog or by that ... on Coupe, Speccy or other Z80?

    Btw - to ...
    ekoman ekoman July 2004 Development
  • TASM, Z80 and Spec emusHi! Having some novice questions here regarding TASM and writing machine code for the Speccy emus... Now I have configured TASM into my EditPlus and…

    ... the directives standardized for Z80 assembler (Either by Zilog or by that ... on Coupe, Speccy or other Z80?[/quote]

    Nope.
    cyborg cyborg July 2004 Development
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... wrote:
    Considering the plain Z80, RET and RETI works exactly ... /timer) peripheral chips manufactured by Zilog. You can also IM2-enable ...
    Alcoholics Anonymous Alcoholics Anonymous July 2004 Development
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... copied 'Product Specification' document by Zilog available. The interrupt request/acknowledge ... .

    It is the Z80 CPU DATASHEET at [url="http ... ://z80.info/zip/z80data.zip"]http://z80.info/zip/z80data ...
    Fraser Fraser July 2004 Development
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... />
    The irony is that Zilog itself seems to have been ... NMIs is not something the Z80 was intended to do.
    Alcoholics Anonymous Alcoholics Anonymous July 2004 Development
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    In the instruction set tables by Zilog from 1977 in the book 'Z80 Assembly language programming for students' by Roger Hutty DI and EI are described as setting IFF1 only.

    [ This Message was edited by: Fraser on 2004-07-31 20:46 ]
    Fraser Fraser July 2004 Development
  • Clone Project feedbackFinally i now have some time to start again with my clone project. I have decided to drop the 48k project and go directly on a 128k clone. This migh…

    [quote]
    On 2004-08-30 12:45, secarica wrote:
    What do you mean by Z80C ?
    [/quote]

    This might actually change, i'm looking at all the available ZILOG CPUs with a Z80 core, including the Z84C15.
    pern pern August 2004 Sinclair Miscellaneous
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... />
    1) a Z80 core. There's nothing fundamentally ... the Z80 works, [url="http://z80.info/zip/z80cpu_um.pdf"]Zilog' ... s manual[/url] (thanks, [url="http://z80 ... .info/"]z80. ...
    Philip Kendall Philip Kendall September 2004 Development
  • building a computerFor some reason having come of age (25 last feburary) I've begun to get the itch to build my on computer, i.e. from scratch, not plug together pc par…

    ... in sequence over time. The z80 cpu, for example, performs certain ... signal sequences to respond properly. Zilog's timing diagrams show what ...
    Alcoholics Anonymous Alcoholics Anonymous October 2004 Sinclair Miscellaneous
  • Sparky eZX-BASIC Project in need of FPGA ExpertYou probably are not familiar with this project, but it is a computer system based on Zilog's new eZ80 chip and the OS is a superset of ZX BASIC. Ju…

    ... to run the eZ80 in Z80 compatibility mode as a general ... because of its extremely fast Z80 code execution and built in ... the eZ80 as a fast Z80. Which means the software only ... is why I use the Zilog development board as a base ...
    Sparky Sparky October 2004 Sinclair Miscellaneous
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... ://www.zilog.com/docs/z80/um0080.pdf"]http://www.zilog.com/docs/z80/um0080 ...
    vreddy vreddy December 2004 Development
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... ://www.zilog.com/docs/z80/um0080.pdf"]http://www.zilog.com/docs/z80/um0080 ...
    GOC GOC January 2005 Development
  • Heads Up: Programming the Z80 by Rodnay ZaksFull PDF on alt.binaries.emulators.misc

    ... ://www.zilog.com/docs/z80/um0080.pdf"]http://www.zilog.com/docs/z80/um0080 ... pdf from Zilog or here for a full set of Z80 Doc ... :- [url="http://www.hartetechnologies.com/manuals/Zilog/"]http ...
    Steve(spt) Steve(spt) February 2005 Development
  • InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…

    ... read and CALLed by the Z80.

    Effectively, 'I' ... table's size. By *convention* Zilog has decided that identifiers supplied ... expecting. In that case, the z80 reads whatever is floating on ... $fe. This means that the z80 will *always* call address $ ...
    Alcoholics Anonymous Alcoholics Anonymous February 2005 Development
  • Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…

    ... Spectrum + computers. The Z80 CPU was made by Zilog, i.e. it ...
    na_th_an na_th_an June 2005 Sinclair Miscellaneous
<1…10111213141516…34>

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