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Search Again :: Adv Search 1000 results in 0.133s
<1…17181920212223…34>
  • IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…

    ... are programmed to treat any I/O access (both directed and not ... to the ULA) as contended I/O if A8-A15 falls between ...
    Philip Kendall Philip Kendall January 2009 Hardware
  • plus3e simple ide interface problemhi, I prepared a 8bit simple ide interface 3 days ago, but I got problems (with or without ide cable connected). 1.First of all, I have to press re…

    ... goes low ( say 0V) during I/O activities but also during
    I/O) also M1 goes high (say ... particular part (chip).
    So I would not rely on changing ... chip is your first suspect, I think.

    - Replace the ...
    roko roko February 2009 Hardware
  • "We don't understand computers but we've got ?3.58 million to spend on them....... so lets find a problem to solve with the money" is a good translation of the article at: [URL]http://news.bbc.co.uk/1/hi/technology/7886754.s…

    ... software?

    I'm asking this because many ... chips and programming - God I'm getting technical here ... aren't I?!:)).[/QUOTE]

    ... the state of each I/O pin. Your USB to ... USB socket. Here's one I made earlier:

    Winston Winston February 2009 Chit chat
  • Component count/modern replacementsThere is a thread/project for replacing the old memory with simms There is also the ULA replacement. There's DEATH's composite replacement. What els…

    ... levels correct and handle tape I/O. Use fine pitch SMD for ...
    Winston Winston February 2009 Hardware
  • Kempston Mouse Drivers[url]http://velesoft.speccy.cz/k-mouse_driver.htm[/url] Next versions of mouse drivers will added later. Actual mouse driver "superdriver" is fully …

    ... Kempston mouse interface yet, but I think, supporting extra-buttons (back ... , but it's need next I/O port for read extra buttons ...
    velesoft velesoft March 2009 Development
  • speccy 128 toastrack joysticksDoes the RS232 port (or the keypad port) work as a joystick port on the toast rack, and if so what 'system' is it...interface 2 or kempston? Secondl…

    ... toast rack ?[/QUOTE]

    I'm afraid not, they're ... they're connected to the I/O pins of the AY sound ...
    Phu Phu April 2009 Hardware
  • Interface 2 issueI have an Interface 2 that has a problem. When a joystick is hooked up to it the 'down' direction doesn't work, this is the same on both ports. It's…

    [QUOTE=beanz;348981]I have an Interface ... not the joystick as I have tried several and ... /computers.

    I've opened up the interface ... keyboard; responding to the I/O requests for two particular rows ... "down" should be D2 if I remember right.

    Phu Phu April 2009 Hardware
  • Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …

    ... z80 decompressor) :)
    i guess i will end with some kind ... last week.[/QUOTE]
    i could put decompressor here, compressor ... (it took several seconds - i/o, i guess - to procces over 4MB ... about number of usable characters, i originally thought that 6-bit ...
    Fikee Fikee May 2009 Development
  • Program Counter question - please readSorry if this is in the wrong forum, but please read it through anyway - see on the FUSE PSP emulator I asked the author if he'd add an option to pri…

    ... in a loop and ignoring I/O from the user and his ...
    Dunny Dunny May 2009 Emulators
  • Desperately need help with .TAP file bug (probably a wrong value error)I'm trying to create a .tap file with Java and have been following the specification at [url]http://www.zxmodules.de/fileformats/tapformat.html[/url…

    ...
    Tape I/O is done via Port OFEH. An I/O read of ... input on Bit 6. An I/O write of Port OFEH Bit ... header is written as Data, i.e. the Most
    Significant ...
    Alcoholics Anonymous Alcoholics Anonymous May 2009 Development
  • Program Counter question - please readSorry if this is in the wrong forum, but please read it through anyway - see on the FUSE PSP emulator I asked the author if he'd add an option to pri…

    ... in a loop and ignoring I/O from the user and his ...
    BloodBaz BloodBaz May 2009 Emulators
  • ultimate microdrive cassette?just a thought.. would it be possible to make a special microdrive cassette that would work as adapter and take sd cards. you know, like those mp3 ad…

    ... No, I don't think that's [I]too [/I]off-topic ... ;-)

    I suppose all ... 's no access to I/O port control in the ... messy, although it would [I]look [/I]neat.

    ... The main problem here is, I think, technical information. We ...
    RST#08 RST#08 May 2009 Hardware
  • Which disk system to useimagine you are writting a software which really needs disk access and can not be loaded at once. which disk system is best choice (that is wide emul…

    I would say +3 as the ... will provide a fully abstract i/o interface in its next release ...
    Alcoholics Anonymous Alcoholics Anonymous May 2009 Development
  • !!! Trdos Emulation On Zx !!![B]This is software emulator of TRDOS(betadisk). Yet is writed only for interface MB02+, but will ported to more other IDE interfaces with external r…

    ... emulate only FDC CONTROLLER at I/O level (detect access to FDD ...
    velesoft velesoft May 2009 Development
  • !!! Trdos Emulation On Zx !!![B]This is software emulator of TRDOS(betadisk). Yet is writed only for interface MB02+, but will ported to more other IDE interfaces with external r…

    ... emulate only FDC CONTROLLER at I/O level (detect access to FDD ... software will work.[/QUOTE]
    I think it is not too ...
    Shadow Maker Shadow Maker May 2009 Development
  • Elite 3 Novosybirsk instructions readyI did it. In game translations thread I was asked to translate Russian instructions for modifed Russian version of Elite. [url]http://www.worldofspe…

    ... [/b], not shadowmaker, ok? I understand that this is very ... speed of charging energy bays [i][i do not remember, but there ... ]Map control:[/B] - Map control (I, O):

    [b]dynamics ... - turns on reactional control [i][as I understand, Elite use this method ...
    Shadow Maker Shadow Maker May 2009 Games
  • Ebay - unknown itemHi, Does anybody have any idea what the expansion card is in this auction? [URL="http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&Item=250432700319&Ca…

    Its an Input/output board using an 8255, so 3 x 8 bit I/O ports.

    Good luck with the auction!

    S
    Spex Spex May 2009 Hardware
  • Ebay - unknown itemHi, Does anybody have any idea what the expansion card is in this auction? [URL="http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&Item=250432700319&Ca…

    ... , so 3 x 8 bit I/O ports.

    Good luck ... /> S[/QUOTE]

    man..... i need to get my specs ...
    Zetr0 Zetr0 May 2009 Hardware
  • Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…

    ... ,JR, etc....

    2) I use DIVIDE emulation with ZX128 ... ) Is possible use breakpoint for I/O operations ?(ports). Is possible set ... instruction in divide ram, but I will see divide memory only ... F5 is pressed....).

    I press NMI button -> CPU ...
    velesoft velesoft June 2009 Emulators
  • Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…

    I tend to use the AVR, ... , but provides a pretty typical I/O device to a CPU or ...
    Winston Winston June 2009 Hardware
  • Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…

    I've been using an AVR ... ...

    [quote=Winston;358967]I tend to use the AVR ... , but provides a pretty typical I/O device to a CPU or ...
    guesser guesser June 2009 Hardware
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... /> [/quote]

    Actually, I did think of it :-) About ... fcntl for its lower level I/O operations. And, well, ... - at a file I/O level I think it's already ... walled-garden thing: I thought the z88dk already ... would work for any I/O, from sockets, RS232 ports ...
    Winston Winston June 2009 Announcements
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... it would work for any I/O, from sockets, RS232 ports, ... message based. The high level i/o functions (FILE* stuff) and ... The first group is basic i/o, another group direcory managemnt, another ... can emulate it with chartacter i/o). The device driver gets the ...
    Alcoholics Anonymous Alcoholics Anonymous June 2009 Announcements
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... through the file I/O API? If so, I'm not ... a separate construct from file I/O devices. It's possible ... the flexibility of the file I/O API, though, and ... />
    And certainly, I see no problem in making ... disk available as an I/O stream for the applications ...
    gasman gasman June 2009 Announcements
  • Rom upgrade(s) for the Humble spectrum +2 (not 2a or 2b)Hello there my fellow forum chummies, I was thinking today, after reading all this lovely rom burnery stuff, is there a way I could update the ROM o…

    [QUOTE=Zetr0;359959]
    also I would like to know if ... parallel with the DivIDE that I have. does the spectrum require ... ROM and RAM, memory mapped I/O or whatever you want). There ... a pin for disabling ULA I/O port access (IORQGE), and also ...
    Winston Winston June 2009 Hardware
  • How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…

    ... used the Speccy for keyboard I/O and generating the display. On ...
    chev chev June 2009 Hardware
  • How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…

    ... used the Speccy for keyboard I/O and generating the display.?[/QUOTE ... it still count?[/QUOTE]
    I suppose so, but why would ... use it to do calculations? I picture such setups using the ...
    wilsonsamm wilsonsamm June 2009 Hardware
  • Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …

    ... devices and I know there was the I/F1 supplied ... be nice to do file I/O with cassettes (perhaps using ... on the RS232 channel. I know the ZX ROM conspires ... cache?

    File I/O should be usable with normal ... #4,"m";1;"screen$"). I know Beta Basic allowed this ...
    Jimmy Jimmy July 2009 Development
  • About divIDE firmwaresI was testing a original divIDE, and I've found that it seems that firmware development is non existant. - FATware doesn't support TZX, and doesn't …

    ... have a point, but I guess there's a difference ... DEAD project.[/quote]
    I don't think the difference ... helps a lot here...). I'd say the only real ... their efforts - for example, I know that the Z88dk team ... on a new standardised I/O model, so I'm working on ...
    gasman gasman July 2009 Hardware
  • Archive feature request (very small nag).Hello and hi there! 1. Add to ToDo list*: When user clicks "[URL="http://www.worldofspectrum.org/archive.html#search"]Search[/URL]" place cursor aut…

    Yeah, maintenance as suggested. Tons of disk I/O. Now silent again.
    mheide mheide July 2009 Infoseek database
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