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<1…17181920212223…34>
  • RS232 - built-in vs. Interface 1Hello all. After some advice, and I figured someone here would probably be able to help. I'm the owner of a (grey case) Spectrum +2, and I'm keen …

    ... proper hardware flow control.
    I wasted a lot of time ... PC because I foolishly assumed that the on board serial port would ... .
    Turns out the super I/O chips on "modern" PC motherboards ... bursts at the programmed baudrate. I swapped to a USB adapter ...
    Journeyman Journeyman May 2020 Hardware
  • 16k and PEEK 40000 (on a real 16k Spectrum)?Imagine a real 16k Spectrum (without any RAM expansion or circuits fitted). What would I get if I do a PEEK or try to access memory over 32767? Wo…

    ... data, the read will read 255 (0xFF) due to the pull ... is fully decoded, unlike the I/O ports or the memory map ... and ZX81.

    [b][i]Mark[/i][/b]
    1024MAK 1024MAK June 2020 Hardware
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... to override the faulty I/O contention circuitry. They did ... a problem with the I/O circuitry. Hence the transistor ... was being designed. Well, I say designed. A better ... use the RS232 serial port, after every byte the ... generated on the RS232 port line. This is a ...
    1024MAK 1024MAK August 2021 Hardware
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... large port ranges making it impossible to assign non-conflicting i/o ... supporting those peripherals and contain i/o reads/writes to those ... Spectrum Next, the hardware hides i/o cycles by holding /iorq ... respond to an i/o cycle. This way if i/o is intended ...
    Alcoholics Anonymous Alcoholics Anonymous October 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…

    ... pi would be another option, i am only using the standard ... me) but am using the port function rather than digital Write ... monitoring MREQ as i am going in through the I/O so using ... IORQ. did i understand you correctly ...
    mark8bit mark8bit April 2022 Hardware
  • ? M3732-20RS ?I have eight chips of memory from my old zx spectrum 16k. I?d need to know the pins description of them to use it. The text on the chip is: …

    I have eight chips of memory ... my old zx spectrum 16k. I?d need to know the ... of this chip (power, data I/O, clock signal, etc...)

    i be able to find it ...
    Gento Gento June 2001 Sinclair Miscellaneous
  • NEW INTERFACE FOR ZX SPECTRUM!!Hi all zx-maniax! Here is a letter from Polish inventor, Yarek Adamski. He constructed a new brilliant interface for ZX SPECTRUM. Ready carrefuly i…

    ... Hello Spectrum User!

    I've just finished first tests ...
    To simplify following description I mention that in YABUS
    I/O card).
    - YAMOD.AY - ... mouse connected to this module (I know, I have
    prototipe ...
    Yerz Yerz July 2003 Sinclair Miscellaneous
  • Deduggers in emulatorsI've used several emulators with build-in debuggers, and now I want to share my opinion. Debugger in Spectaculator 6.0 is great! The interface is nic…

    ... location, very usefull. But I don't understand how it ... depends on start address. I like information about Z80 registers ... it lucks some information about I/O ports, 128k memory pages.
    I/O ports and stack info.
    kmatveev kmatveev February 2004 Emulators
  • I/OHas anyone found an emulator that can

    Has anyone found an emulator that can
    dalmudlee dalmudlee May 2004 Emulators
  • String slicing for UDG definitionHey everyone. Got a bit of a string slicing/string to variable conversion problem. 10 let a$="01100110" 20 let pokevalue=???? What expression do I…

    ... =????

    What expression do I need to put in line ... a value from 0 to 255 (i.e. the numerical value of ... expression in a$?

    I know this should use the ...
    BigBadMick BigBadMick April 2005 Development
  • BooksGot the following to get rid of, if anyone wants them. The ZX81 Companion / Bob Maunder Beyond simple BASIC, Delving deeper into your ZX Spectrum /…

    ... with the Sinclair ZX Spectrum / I O Angell & B J Jones ...
    Vertigo Vertigo June 2005 Sales
  • Rebelstar Platform game finished[url="http://www.fwl.org.uk/pgd/rebelstar-ion.zip"]http://www.fwl.org.uk/pgd/rebelstar-ion.zip[/url] Rebelstar - Search for the I.O.N Gun 15 screen…

    ... />
    Rebelstar - Search for the I.O.N Gun

    15 ...
    psj3809 psj3809 June 2005 Development
  • Bounder!Ladderman did a [url="ftp://ftp.worldofspectrum.org/pub/sinclair/games-maps/b/Bounder.png"]screenshot map of Bounder[/url] recently. In it, I can see…

    ... B]DIE[/B] and [I](possibly, reading upwards along ... I O[/B][I](?)[/I] [B]G L C S[/B] [I] - whatever that means![/I ... [B]ZOO[/B] [I](or perhaps '200'?)[/I]

    ... ] [I](someone's initials?)[/I], [B]OK![/B] [I](right ... ('??') as nipples but I'm not too sure ...
    jil jil July 2005 Games
  • Hard drive and Multiface problemsI recently read about the Spectrum +3e, and thought to myself - "I'll give that a try, and I'll build the Hard drive Interface while I'm at it". So,…

    ... />
    06
    I/O error - press any key
    I tried reloading it - no ... drive was working correctly. I thought that maybe the ... />
    06
    I/O error - press any key


    Anyway, I could ramble on for ages ...
    jagman5994 jagman5994 October 2005 Sinclair Miscellaneous
  • Myth - History in the makingHi to everybody! I'm trying to play this game, after reading some positive reviews, but... I'm having problems! :D Well, I define keys, Q A I O Sp…

    ... to everybody!
    I'm trying to play this ... :D
    Well, I define keys, Q A I O Space, the game ... starts, but... I can't do ... anything except moving. How can I break the jars, fight, and ... so on? I've tried in many ways ...
    robysommo robysommo January 2006 Games
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... how the engine works. Eventually I will write up a more ... well at all. AT ALL. I may add some character-level ... good for.

    #2 I am using Microsoft debugging strategy ... /> - inp(), outp() (for reading/writing i/o ports), swapendian() have been added ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • One emulator feature it would be good to haveI'd like to see emulators (and SCR-to-proper-bitmap-format converters) have a config option for colours: "Realistic" or "Bright". The trouble with b…

    I'd like to see emulators ( ... which are either 0 or 255 (I already use this half-palette ... on screenshot maps I design, such as the Cylu ...
    robert@fm robert@fm August 2006 Emulators
  • Wanted: z80 asm routines...for the Sam. This call goes out to Colin and others who know how it should be done. If you look on the Sam C disk you can see the implementation…

    ... the streams mechanism.

    I realise there is an outp ... stream is implemented ( .s ) which I'm guessing needs dissassembly before ... /> stream() opens stream strm for I/O functions. strm may be in ... twin disk game for which I could include level editors, ...
    DonkeyPong DonkeyPong January 2007 Development
  • Spectrum +2 Test Software ROM BoardHi - Can anybody help I am trying to get hold of a Spectrum +2 Test Software ROM Board the one that connects to the Expansion I/O slot. Many thanks …

    Hi - Can anybody help I am trying to get hold of a Spectrum +2 Test Software ROM Board the one that connects to the Expansion I/O slot.

    Many thanks
    Martin
    Martin Baugh Martin Baugh February 2007 Wanted
  • And you thought Cornishpastey was a nutcase...On the IMDB message boards relating to Pixar (and some Dreamworks) movies, people keep spouting a crackpot conspiracy theory that Dreamworks steals a…

    ... least two cases ([i]Shrek[/i] and [i]Flushed Away[/i]) the Dreamworks movie ... ...

    Take [i]Shrek[/i] vs. [i]Monsters, Inc.[/i] for instance; not ... a [i]Star Trek[/i] episode than it does to [i]Shrek[/i]. :-o
    robert@fm robert@fm March 2007 Chit chat
  • Amstrad +2 Diagnostic BoardCan anybody help I wish to buy the Diagnostic Board that connects to the I/O strip at the back of the Amstrad ZX Spectrum +2. Many thanks Martin

    Can anybody help I wish to buy the Diagnostic Board that connects to the I/O strip at the back of the Amstrad ZX Spectrum +2.
    Many thanks
    Martin
    Martin Baugh Martin Baugh March 2007 Wanted
  • +3 external floppyI'd like to connect 3,5" PC floppy drive (NEC) to ZX Spectrum +3 (with diode for RDY). Here are questions: 1) It seems the PC floppy uses just +5V, …

    I'd like to connect 3, ... take this voltage from "EXPANSION I/O socket"? I'm
    worried that ...
    orange orange March 2007 Hardware
  • ResiDOS v2.00 releasedI've just posted a major new release of ResiDOS, at: [URL="http://www.worldofspectrum.org/residos/"]http://www.worldofspectrum.org/residos/[/URL] T…

    I've just posted a ... command, eg %zx80 "invaders.o". There is also support for ... , please contact me as I haven't got around to ... /> [*]hook code handlers
    [*]new i/o channels (this bit isn't ... Manager
    [/LIST]

    I should probably point out that ...
    glancaster glancaster March 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…

    ... ...?

    Access to onboard I/O can be disabled by holding ...
    Jonathan Harston Jonathan Harston June 2007 Hardware
  • Emulator Comparison ChartHi. In a similar vein to [URL=http://www.ppest.org/zx/zxse.php]Piters[/URL] comparison of various ZX emulators, I've been looking at adding some deta…

    ... of various ZX emulators, I've been looking at adding ... this information as correct... I've only listed 4 emulators ... detail the debugging features. I think splitting into debugging categories ... are available: PC, HL=x, I/O, ...) and other features could ...
    icabod icabod June 2007 Emulators
  • Silly little question written at the stroke of midnight.The run-of-the-mill Sinclair Spectrum is controlled by a 16K ROM program which can be divided into three major parts: 1. I/O routines 2. BASIC interp…

    ... three major parts:
    1. I/O routines
    2. BASIC ... the BIOS ... waitywait! ... I think I be gettin' a headyache!

    Zzzidenote: I think it's a bit ... to think of it I think I've only heard it ... S.R.D.
    **I'm not talking about the ...
    Skarpo Skarpo June 2007 Sinclair Miscellaneous
  • Unbelievable...This ebay is for some laptops described as "used". Look at them... The URL is: [URL]http://cgi.ebay.com/lot-of-4-IBM-thinkpad-t21-t22-lenovo-part…

    ... as "[I]Condition: Used[/I]". Not "[I]Condition: Knackered[/I]", or "[I]Condition: ... Policed by American forces[/I]", or "[I ... ' Mckenna as "[I]Attitude: Quite Reasonable and friendly[/I]" :o

    ewgf ewgf August 2007 Chit chat
<1…17181920212223…34>

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