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  • esxDOS v0.8.7 releasedesxDOS v0.8.7 has been officially released. Grab it at http://www.esxdos.org/files/esxdos087.zip. This version has the following (notable) new fea…

    ... /> [list][*]Experimental Z80 DMA (Z8410) I/O support (enabled in ESXDOS.CFG ... (on port $0B) driver for I/O operations, configurable via ESXDOS.CFG ...
    Alessandro Grussu Alessandro Grussu June 2019 Sinclair Miscellaneous
  • specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…

    ... the data bus lines, as i thought that the KB1 resistors ... but they didn't so i added 10k resistor (pre ... the signal to Z80. ???. thinking i may have to halt it ... soon as it enters into i/o read .. trying to read ... .. very good book but i get confused and have to ...
    mark8bit mark8bit August 2021 Hardware
  • is a arduino uno / nano fast enough to talk to a specie ?my current project is to load games onto the specie via SD card / Arduino uno / nano although i suspect that the micro controller will not be able to…

    ... Arduino uno / nano although i suspect that the micro controller ... Z80 in time.. but i calculated that a PORT ... specie T states..and a i/o cycle is between 3 ... thoughts ????
    so far i have managed to get the ... (kempston) . the best i have achieved is to send ...
    mark8bit mark8bit April 2022 Hardware
  • Saving game progressI was just wondering if there is any way to save my game progress on they stole a million (just been searching through the loft and found it, remembe…

    ... /> F10
    T
    I
    O

    and your games ... (ette).
    However multiple save (i.e. screen$ and code) will ...
    Anonymous Anonymous February 2002 Emulators
  • spectrum on pcI was just wondering,the pc is brilliant for speccy emus but wen playing speccy games on a pc keyboard it just doesnt feel rite for sum1 who used to …

    ... !
    All you techno wizards, I have a challenge for you ... the Speccy can access all I/O devices of the PC (hard ... it find in the I/O devices (that way I'll be able ... Speccy goes kaput)

    I guess there could be more ...
    Arjun Arjun August 2001 Games
  • Help making TZX filesHi. I've just found about 10 games that are missing perfect copies and i've tried using maketzx but i can't do it. When i run it it says 'searching …

    I haven't a clue how to get a sound blaster 128 to work with anything DOS. It's IRQ is 9 and i/o address used is E400. No DMA channel is used. What would the line be?
    Anonymous Anonymous November 2001 MIA/STP/SDP
  • Old Computer Speccy mentionMany of you may know about this already but there is a nice article on the speccy on a French (English Speaking) site called old-computers.com. There…

    I think you're right there. My +2B was certainly made in China. The tape I/O is listed as 1200 baud in some places and 1500 in others. I'm not sure which is true... And that RAM chips thing was certainly weird - very inventive, our Sir Clive!
    Fuzzbucket Fuzzbucket November 2001 Sinclair Miscellaneous
  • Build your own spectrum ?OK this must be a daft question but I got hold of a Spectrum circuit layout a while ago and [for a laugh - it's been a quiet week at work [img]/__for…

    ... any schematics for these things - I read the Lil Ol Spectrum ... the ULA - Video/TV generator, I/O stuff including A/D D ...
    Anonymous Anonymous July 2001 Sinclair Miscellaneous
  • Quiz VI - Trident on VESA Local Bus.... Something to keep everyone busy while Arjun sorts out his caboodle of questions.... Ok, 12 quick fire questions.. Some cryptic - you`ll have to un…

    ... by an OUT to an I/O port?

    Only joking ...
    Woody Woody June 2002 Games
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... has separate 64k address and i/o spaces. They are separate ... made and when accesses to i/o are made.

    i/o space. The 128's ... be done in i/o space using i/o instructions like IN ...

    Somehow I thought that list was going ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... has separate 64k address and i/o spaces. They are separate ... made and when accesses to i/o are made.

    i/o space. The 128's ... be done in i/o space using i/o instructions like IN ...

    Somehow I thought that list was going ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Spectrum edge connectors and 'Dataman Softy S4'Hi, I moved this from the sales thread because it seems more appropriate...anyway... I was twerping around the idea of turning a Spectrum into a we…

    ... :08, Dan wrote:
    Anyway, I had a thought about connecting ... S4 to the edge connector; I can then use this in ... up. Attach /ROMCS to an i/o port bit or an instruction ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Fuse 0.5.1 and libspectrum 0.1.0 releasedVersion 0.5.1 of Fuse, the Free Unix Spectrum Emulator, is now available from its homepage, [url="http://www.srcf.ucam.org/~pak21/spectrum/fuse.html"…

    ... Gives us unicists a hope... :) I particularly like your effort of ... .

    One thing I notice with it, though, is ... of the CPU cycles, I haven't had the time ... output instead of OSS? I find ALSA to be a ... use of SDL for your I/O, which would probably make it ...
    Alessandro Tommasi Alessandro Tommasi December 2002 Emulators
  • Fuse 0.5.1 and libspectrum 0.1.0 releasedVersion 0.5.1 of Fuse, the Free Unix Spectrum Emulator, is now available from its homepage, [url="http://www.srcf.ucam.org/~pak21/spectrum/fuse.html"…

    [quote]
    I particularly like your effort of ... use of SDL for your I/O
    [/quote]

    centauri ...
    Philip Kendall Philip Kendall December 2002 Emulators
  • Fuse 0.5.1 and libspectrum 0.1.0 releasedVersion 0.5.1 of Fuse, the Free Unix Spectrum Emulator, is now available from its homepage, [url="http://www.srcf.ucam.org/~pak21/spectrum/fuse.html"…

    ... wrote:
    [quote]
    I particularly like your effort of ... you mind it if I asked you questions about ... dumping at my department, I saved it from oblivion, ... a portable way of handling I/O, so that should make ... easier to port fuse... I've written 100% linux ...
    Alessandro Tommasi Alessandro Tommasi December 2002 Emulators
  • Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…

    ... systems?
    [/quote]

    I think John Elliott's site ... /> - The keyboard is attached to i/o port $fe (254). The keys ... , screen address and attribute addresses. I'll leave that for you ... data structures and algorithms I've used, which I haven't yet ...
    Alcoholics Anonymous Alcoholics Anonymous June 2003 Sinclair Miscellaneous
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... were all technical mainly)...Basically, I want to know how many ... access the sooundchip through IO. I am using assembly. Also, what ... the composer. The AY Player I suggested you download above contains ... AY chip is connected to i/o addresses $BFFD and $FFFD. ...
    Alcoholics Anonymous Alcoholics Anonymous January 2004 Development
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... time and technical knowledge and I predict failure for this approach ... br /> [/quote]

    Well, I don't understand it :) Could ... display?
    [/quote]

    :) I think in terms of 8 ... effectively sharing the PC and i/o space so that they execute ...
    Alcoholics Anonymous Alcoholics Anonymous 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…

    ... B]. As already suggested I have an introductory Z80 assembler ... etc: the big three. I don't know any that ... .

    As I see it you can either ... guide and ask questions. I can set you basic programming ... use the Spectrum's I/O devices there are many ...
    cyborg cyborg January 2004 Development
  • 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…

    ... B]. As already suggested I have an introductory Z80 assembler ... etc: the big three. I don't know any that ... .

    As I see it you can either ... guide and ask questions. I can set you basic programming ... use the Spectrum's I/O devices there are many ...
    grim grim January 2004 Development
  • 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…

    [quote]
    What I'm saying is that a ... introduction is indeed necessary, but I don't think it would ... sense. No book on Z80 I've ever seen will start ... about the screen and other I/O devices you could ever want ...
    cyborg cyborg January 2004 Development
  • 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…

    ... ;Advanced assembly language, which details I/O operations (screen, printing, sound, tape ... people interested in assembly language. I guess it all really depends ...
    Arjun Arjun January 2004 Development
  • loading sounds.. and stripes!Yesterday me and a friend started to discuss (after some glasses of wine) about that wonderful sound as coming out though the telly then you load a t…

    ... (the port that controls tape I/O and other things) then it ...
    cyborg cyborg February 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 …

    ... -contended memory, I can not find any I/O contension effect on ... memory conension takes place, but I/O contension too (this effect ... : memory contension found only, without I/O contension).

    For ... stop taking into account I/O contension in case when ...
    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 …

    ... ., as I can understand, ULA makes an I/O (more perfectly ... stop taking into account I/O contension in case when ... bus to access the I/O port, and this looks ... /> [quote]
    3. Also I have a lot of misunderstands ... in this case as I/O operations are contended on ...
    Philip Kendall Philip Kendall May 2004 Emulators
  • 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…

    pern:

    I have decided to drop the ... the gigascreen will not blink, I'll buy You a bottler ... />




    - I/O: PS/2-Keyboard, CF, Tape ...
    Yerz Yerz August 2004 Sinclair Miscellaneous
  • 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…

    ... a dual port RAM (independent I/O bus). That will simplify ... processor. Well, at least I consider this to be a ... reasons. For my +3s I used normal (64Kx4)x2 DRAM ... cheap.

    [quote]I think that the 8910 is ... if you know how (I personally have no idea how ...
    secarica secarica August 2004 Sinclair Miscellaneous
  • 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…

    ... dual port RAM (independent I/O bus). That will simplify ...
    [/quote]

    I agree, this would be the ... cheap. The best price i have at the moment ... if you know how (I personally have no idea how ... And The Sprinter Clone also,i use CPLD in this design ...
    pern pern August 2004 Sinclair Miscellaneous
<1…14151617181920…34>

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