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  • Fastest Z80?Hi , Could somebody explain more about the Kawasaki Z80 33 MHz to me? Is it fully backwards binary compatible with older Z80s and could it be used a…

    ... explain more about the Kawasaki Z80 33 MHz to me? Is ... only find this:

    Z80
    ? 8-bit microprocessor
    Rebelstar Rebelstar 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…

    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.


    Micky
    -Micky -Micky January 2013 Hardware
  • Compiling Lisp to Z80.I am doing some thought experiments on this. Here is an example of a Lisp program. It adds two numbers together. [code] (define (add x y) (if (= …

    ... code translated by me to Z80 (there could well be many ... , I've not done much Z80 before at all so bear ...
    wilsonsamm wilsonsamm January 2013 Chit chat
  • 128K Toastrack - bad Z80?My 128K Toastrack works fine, but if I try to use divIDE or M1/128 it does not work. divIDE does not show the boot screen and in both if I push the N…

    My 128K Toastrack works fine, but if I try to use divIDE or M1/128 it does not work.
    divIDE does not show the boot screen and in both if I push the NMI button, the Spectrum resets.
    Is a bad Z80 CPU?
    My soldering skills are so bad. :(
    Turrican Turrican 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 …

    ... maximum addressable RAM for a Z80 using bank switching?
    ... this the limit for a Z80?

    A ... address lines from the Z80 are used to select ... bits come directly from the Z80 address bus.[2] Effectively ... address space of the Z80 processor is divided into ...
    Rebelstar Rebelstar February 2013 Hardware
  • TommyGun with AGDHi everyone, I have been working with Jonathan to incorporate his excellent Arcade Game Designer utility into TommyGun. Jonathan has created a compi…

    ... AGD scripting language that generates Z80 code and I have added ... the existing files for the format.
    Also please share any ...
    Kiwi Kiwi February 2013 Development
  • Unravelling the Spectrum Floating Point Number formatHi Guys, In my head I pretty much understand how the Spectrum's 5 byte FP number format works. The first byte is the signed exponent and the follow…

    ... 's 5 byte FP number format works. The first byte is ...
    BloodBaz BloodBaz March 2013 Sinclair Miscellaneous
  • 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…

    What's the best Z80 for Spectrums?

    I ... technologies (CMOS, NMOS), so what Z80 would you recommend for Spectrums ...
    Zup Zup March 2013 Hardware
  • Spectrum Z80 UIDE Rev 3.1E - 8bit IDE AdapterHello my fellow WoSer's Recently I had some bad luck with my local post-office - this lead to some problems requiring me to have some more adapters…

    ... these

    [B]Z80 Universal Z80 IDE adapter Rev 3.1e ... ]
    [B]?19.99 1x Z80 UIDE Adapter Rev 3.1e ...
    Zetr0 Zetr0 April 2013 Sales
  • Currah uSlotLooking for a Currah uSlot or any other port expander.

    Looking for a Currah uSlot or any other port expander.
    schombi schombi May 2013 Wanted
  • Z80 internal compressionThis isn't exactly a ZX Spectrum problem, but since WOS probably has some of the best Z80 coders in the world, I thought I might ask anyway. For my …

    ... has some of the best Z80 coders in the world, I ...
    utz utz May 2013 Development
  • The music format used by Odin?Has anyone ever "mapped out" the data format for the music used in games by Odin, so one could (try to) make his own music using that engine? I love…

    ... ever "mapped out" the data format for the music used in ...
    Sokurah Sokurah May 2013 Development
  • z80 uide problemCould someone help me with the z80 uide. I would like to know how to get an emulator to read the CF disc and put my games on there please

    Could someone help me with the z80 uide. I would like to know how to get an emulator to read the CF disc and put my games on there please
    chuckcaley chuckcaley May 2013 Sinclair Miscellaneous
  • How to run Survivisection (trd) with DivIDE?Been a happy DivIde owner for about six months now. Runs perfectly with my +2 :) I found a really impressive home brew game called Survivisection, bu…

    ... it's in a trd-format :( I know I can open ... and then save a snapshot (z80/sna), but it seems it ...
    emuola emuola May 2013 Games
  • How to test Z80 Code?Hi All, Is there a way to test a block of z80 code (nothing speccy specific in it) with many different inputs? The reason I ask is that I'm writing…

    ... to test a block of z80 code (nothing speccy specific in ...
    Shando Shando May 2013 Development
  • Z80 questionbeen told that the DivIDE 2K11 i ordered may not work with my +2 gray due to the Z80 I may have. The one I have is as follows Zilog Z8400APS Z80 86…

    ... +2 gray due to the Z80 I may have.


    Zilog
    Z8400APS
    Z80
    8627

    Does ...
    morcar morcar June 2013 Hardware
  • Z80 compat listAfter the chat I had with a person on my facebook group about which Z80 chips work with the DivIDE device I found that there was no list at all to le…

    ... my facebook group about which Z80 chips work with the DivIDE ... know the details of your Z80 chip be it you have ... ://www.dropbox.com/s/z8p1iqlbof7y7nx/Z80%20compat%20list.odt[/url]
    morcar morcar June 2013 Announcements
  • Format magazineBy coincidende I got hold of an issue of the Format Magazine and found it great. I wonder what happened to (possibly existing) PDF files of the Forma…

    ... of an issue of the Format Magazine and found it great ... existing) PDF files of the Format magazine (INDUG) resp. where to ...
    schombi schombi June 2013 Sinclair Miscellaneous
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    ... flexible and powerful) standard format to create new fonts for ... [B]FZX[/B] font format definition (including several sample fonts ... to take advantage of FZX format using proportional spacing:
    ... (c) Einar Saukas"'"FZX font format (c) Andrew Owen"
    ...
    Einar Saukas Einar Saukas June 2013 Brand new software
  • Are these files of any use to anyone? (MANIC MINER MUCH FASTER AND SMALLER CODE)I've not touched any of this for 3 years, I thought I lost it when I had to reformat my C: drive. EDIT: These links might work Z80 source [url]http:…

    ... : These links might work
    Z80 source
    [url]http://www ... bin file (included by the Z80 source)
    [url]http://www ... bin file (included by the Z80 source)
    [url]http://www ... out with the tokenised level format and stuff.

    It ...
    Paradigm Shifter Paradigm Shifter June 2013 Development
  • Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…

    ... this.

    Z80 in ReVerSE runs at 42 ... MHz (comparable to 70 MHz Z80).

    Two ... options:
    1. Fast Z80 on the mainboard. Plusses: easy ... option.
    2. Fast Z80 in NeoGS card, invisible ... may be added to Z80 instruction set, 2 MB ...
    Alone Coder Alone Coder June 2013 Development
  • Spectrum Z80 UIDE Rev 3.1E - 8bit IDE AdapterHello my fellow WoS'ers I have very small number of these adaptors to sell on. [B]Z80 Universal Z80 IDE adapter Rev 3.1e[/B] [URL="http://postimage…

    ... on.

    [B]Z80 Universal Z80 IDE adapter Rev 3.1e ... ]
    [B]?19.99 1x Z80 UIDE Adapter Rev 3.1e ...
    Zetr0 Zetr0 July 2013 Sales
  • IZX: a new standard format and driver for ZX-Spectrum icons[B]IZX[/B] is a very compact and efficient standard format to create icons for the ZX-Spectrum. You can download it from here: [LIST] [*][URL="http:…

    ... compact and efficient standard format to create icons for ... possible to create using this format:

    [IMG] ... is a royalty-free standard format and reference implementation for< ... . This somewhat unusual
    format allows far more interesting images ...
    Einar Saukas Einar Saukas July 2013 Brand new software
  • SkoolKit 3.4SkoolKit - a suite of utilities for creating disassemblies of Spectrum games in HTML (and ASM) format - has reached version 3.4. Some of the new stuf…

    ... games in HTML (and ASM) format - has reached version 3.4 ... Fuse, SpecEmu, Spud, Zero and Z80 emulators to distinguish code from ...
    SkoolKid SkoolKid July 2013 Announcements
  • Routine for Currah speechI'm currently writing a routine for the Currah that will provide speech during a game. A timer is set to initiate the speech every 50 cycles of the …

    ... writing a routine for the Currah that will provide speech during ...
    daveysludge daveysludge August 2013 Development
  • Z80 Assembler for Win7 PC (64-bit)Does anybody know where I can get a decent Z80 assembler that will work on my 64-bit Win7 PC? I tried the first one in the WoS utilities and it would…

    ... I can get a decent Z80 assembler that will work on ...
    David Jones David Jones September 2013 Development
  • .z80 files load faster than .tap or .tzxHello again, I was wondering why the majority of games can be downloaded as .tap or .tzx but not as snapshots (.z80 or .sna). It takes about 5 minut…

    ... .tzx but not as snapshots (.z80 or .sna). It takes about ...
    Zerg Zerg October 2013 Emulators
  • LZ4 decoderI encountered the [URL="http://code.google.com/p/lz4/"]LZ4 compressor[/URL] a few weeks ago. Reading the [URL="http://fastcompression.blogspot.co.uk…

    ... 05/lz4-explained.html"]compressed format specification[/URL], I thought it ... for a relative beginner at Z80 coding to implement.
    < ... /04/lz4-streaming-format-final.html"]streamable format[/URL]. This is ... the simplicity of the LZ4 format. I do wonder if ...
    stephenw32768 stephenw32768 October 2013 Development
  • A FAQ from a Z80 datasheet may reveal some up-to-now unknown behavioursA fellow member of the zonadepruebas.com forum has just mailed this PDF to me. [url]http://www.atc.us.es/~rodriguj/zilog_z80_faq.zip[/url] It's an e…

    ... CMOS chip?
    - Does the Z80 CMOS suffers from latch-up ... /> - What happens if a NMOS Z80 suffers a negative spike? (those ...
    mcleod_ideafix mcleod_ideafix October 2013 Hardware
<1…14151617181920…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
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    AndyC on April 21
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    mel the bell on April 20

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