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<1…10111213141516…34>
  • Ate Bit Platform GameIMHO [URL="http://worldofspectrum.org/forums/showthread.php?t=28997"]this game[/URL] deserves to be preserved as "never released". It's available as…

    ... and in menu use incorrect port adress for reading keyboard (use ... ZX128/+2 write value #FF to paging port 7FFD)[/QUOTE]

    Einar Saukas Einar Saukas April 2013 Infoseek database
  • How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...

    ... IN from a 16-bit port address, not just 8-bits ... the high byte of the port address]
    2. LD A ... the high byte of the port address]

    The low ... /> The high byte is 255 (FF) less one bit. And which ...
    joefish joefish April 2013 Development
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... about this, and consider what SpecEmu does, but what's your ... forcing bit 7 from input port $FE to value 0 by ... force bit 7 from input port $FE to value 1.
    Einar Saukas Einar Saukas April 2013 Emulators
  • Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…

    ... "Spectrum 48K" choice (such as SpecEmu) could provide only options for ... adjust bit 7 from input port $FE, using value 0 by ... case, bit 7 from input port $FE will always have value ...
    Einar Saukas Einar Saukas April 2013 Emulators
  • "Jumping Jack" on Kempston Joystick.Hello. I'm new here, so at start I want to welcome everybody :) I'm totally newbie in ZX Spectrum. But I'm still own Timex without cassete player (I …

    ... />
    I used 2 emulators. SpecEmu and ZXSpin.

    I ... ) with SpecEmu. Opened SpecEmu Debugger. Selected option Debug/Run Until/Port Read from ...
    FrankT FrankT June 2013 Games
  • Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…

    ... analyse the log file from SpecEmu, which gives this sort of ... +#01)
    9E7F 28748 CP #FF
    9E81 28755 JR Z ...
    Battle Bunny Battle Bunny August 2013 Emulators
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    ... [/CODE]
    actually outputs #FF into the port in BC on CMOS ...
    introspec introspec August 2013 Development
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    ... (or something like that) for SpecEmu emulating a +3![/QUOTE]
    SpecEmu do you use? I am ... . In addition, I do several port tests etc, but these are ...
    introspec introspec September 2013 Development
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    [QUOTE=aowen;720238]SpecEmu does not provide accurate Timex ... code relies upon the incomplete port decoding (specifically, I use #E6 ...
    introspec introspec September 2013 Development
  • The SAM CoupeDoes anyone own one of these? I remember being jealous of a friend who bought one of these machines which had a disk that made the system compatible …

    ... status bits D6, when reading port #xxFE, if #xx < ...
    Black_Cat Black_Cat September 2013 Hardware
  • The SAM CoupeDoes anyone own one of these? I remember being jealous of a friend who bought one of these machines which had a disk that made the system compatible …

    ... D6, when reading port #xxFE, if #xx < #FF.[/QUOTE]

    - if "xx" is lower than #FF then on D4-D0 is ... keyboard membrane)
    - if "xx" = #FF then on D4-D0 is ...
    velesoft velesoft September 2013 Hardware
  • Interface 1bisHas anyone on here got a "Interface 1bis": [URL="https://sites.google.com/site/interface1bis/"]https://sites.google.com/site/interface1bis/[/URL] I …

    ... user manual?

    [CODE]PORT ADRESS DECODING
    hex/dec ... CPU0Paging&WR-on
    #FF/255 xxxxxxxx11111111 xxxxxxxx11111111 - RAM> ...
    Black_Cat Black_Cat September 2013 Hardware
  • Interface 1bisHas anyone on here got a "Interface 1bis": [URL="https://sites.google.com/site/interface1bis/"]https://sites.google.com/site/interface1bis/[/URL] I …

    ... ]
    And now?
    [CODE]PORT ADRESS DECODING
    hex/dec ... ;CPU0&WR-on
    #FF/255 xxxxxxxx11111111 xxxxxxxx11111111 - IF1bisROM> ...
    Black_Cat Black_Cat September 2013 Hardware
  • Interface 1bisHas anyone on here got a "Interface 1bis": [URL="https://sites.google.com/site/interface1bis/"]https://sites.google.com/site/interface1bis/[/URL] I …

    ... ;726006]And now?
    [CODE]PORT ADRESS DECODING
    hex/dec ... ;CPU0&WR-on
    #FF/255 xxxxxxxx11111111 xxxxxxxx11111111 - IF1bisROM> ...
    Dan Antohi Dan Antohi September 2013 Hardware
  • What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…

    ... D
    cannot hold +FF.)
    EX AF,A' ... br /> header and +FF for a block of< ... Make an initial read of port '254'
    RRA ...
    jamorski jamorski October 2013 Development
  • Dan Antohi or other Interface 1bis GurusHi Dan I've been getting acquaited with the IF1bis and am starting to appreciate how much more it can do than what Im using it for. I've been using…

    ... 7 of the peripheral status ( port #5F ) is 0 when the ... on ports #7F and respectively #FF, though using the interface in ... ’t loaded via the ‘EAR’ port from an audio signal source ...
    Dan Antohi Dan Antohi November 2013 Hardware
  • Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…

    ... been having a go with SpecEmu.

    A couple of ... (but I may have had SpecEmu in the wrong keyboard mode ... image from though.

    SpecEmu seems to be pretty useful ... off of TRS-80 parallel port download. I don't know ...
    David Jones David Jones November 2013 Development
  • Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…

    ... file that I tested in SpecEmu. It appears to run fine ... ; TAP block size
    db $ff ; TAP block type - data
    SpecEmu I get as far as ...
    David Jones David Jones November 2013 Development
  • Timex video mode & SamCoupe sound chip.Hi, people! I propose a solution which allows to use sound chip SamCoupe SAA1099 jointly with computers Timex 2048/2068. Everyone knows that these de…

    Why not use different port for SAA and change software OUTs ?
    Is anything left, that would not conflict with divIDE(+)/Beta/AY ?
    Switching to #FF port with one jumper would be nice.
    kpuchatek kpuchatek February 2014 Hardware
  • Fuse 1.1.1 releasedOn behalf of the Fuse team, I am pleased to announce the 1.1.1 release of Fuse. The changes from the recent 1.1.0 are relatively minor, mostly correc…

    ... lines should be used for port decoding.[/quote]

    The ... run HAM256 but I think SpecEmu is still the only one ...
    chev chev May 2014 Emulators
  • Fuse 1.1.1 releasedOn behalf of the Fuse team, I am pleased to announce the 1.1.1 release of Fuse. The changes from the recent 1.1.0 are relatively minor, mostly correc…

    ... ULA+ either. This means every port would be contended the same ... now. I provided the #xx3B port (with help from Philip Kendall ... that.

    Chris chose #FF and #BF based on how ...
    chev chev May 2014 Emulators
  • FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…

    ... ; CTS to 0=ef, 1=ff
    out (RS232_CTL),a ; to ... /> ld c,#RS232_DTA ; c=data port
    ld de,#0x8000 ; masks ...
    tstih tstih July 2014 Development
  • Kempston joystick detectionIn both [url="http://skoolkit.ca/disassemblies/manic_miner/asm/34252.html#34332"]Manic Miner[/url] and [url="http://skoolkit.ca/disassemblies/jet_set…

    ... if there isn't a port attached to it would return ... . (And I think it reads $FF during the vblank period as ...
    spodula spodula October 2014 Hardware
  • Kempston joystick detectionIn both [url="http://skoolkit.ca/disassemblies/manic_miner/asm/34252.html#34332"]Manic Miner[/url] and [url="http://skoolkit.ca/disassemblies/jet_set…

    ... probability that every reading of port 31 has bit 5 reset ... is either going to be $FF during the Vsync and Hsync ...
    spodula spodula October 2014 Hardware
  • Kempston joystick detectionIn both [url="http://skoolkit.ca/disassemblies/manic_miner/asm/34252.html#34332"]Manic Miner[/url] and [url="http://skoolkit.ca/disassemblies/jet_set…

    ... probability that every reading of port 31 has bit 5 reset ... is either going to be $FF during the Vsync and Hsync ...
    spodula spodula October 2014 Hardware
  • Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?

    Has anybody mentioned trying an "attribute port" in a,(#ff)? Not sure whether it helps, don't know how the hardware works exactly.
    moroz1999 moroz1999 November 2014 Development
  • Detecting flash mode inversionsIs is possible to detect with certainty when flashing characters change from normal to inverted and vice-versa?

    ... mentioned trying an "attribute port" in a,(#ff)? Not sure whether it ...
    AndyC AndyC November 2014 Development
  • Best Spectrum Emulators ?What would people say are the best Spectrum emulators for Mac & PC ?

    ... ]
    [*]Spectaculator
    [*]SpecEmu
    [*]Fuse (Windows port)
    [*]RealSpectrum
    [/list ...
    Alessandro Grussu Alessandro Grussu January 2015 Emulators
  • Features that are still wanted in Spectrum emulation.Features that are still wanted in Spectrum emulation. 4 USB joystick/gamepad input for real multiplayer games - Yes, Bomb Munchies.... - Sinclair 12…

    ... example, the kind of breakpoints Specemu supports.
    * Breakpoint on entering ... a specified memory address/IO port
    * Breakpoint on executing a ...
    mcleod_ideafix mcleod_ideafix January 2015 Emulators
<1…10111213141516…34>

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