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<1234567…34>
  • SPIN & port #FFHow to solve a problem with port #FF on SPIN? This prevent me from creating correct RZX-file with Short Circuit, part 1.

    How to solve a problem with port #FF on SPIN? This prevent me from creating correct RZX-file with Short Circuit, part 1.
    Viktor Drozd Viktor Drozd November 2004 Emulators
  • What is an "Unknown Port"?Port FF is unknown and so can return screen data on a 48k/128k/+2 models. But what if no Kempston mouse is plugged in. Is Port DF classified as unkno…

    Port FF is unknown and so can ... is plugged in.
    Is Port DF classified as unknown or ... does it just return FF because it is known but ...
    PrinceClumsy PrinceClumsy February 2006 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…

    ... /> I repeated these tests on SpecEmu version 3.1 build 07 ... SpecEmu perfectly emulates a TK90X for contended memory and contended input port *FF ... , but not for "snow effect NOP" and contended input port ...
    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…

    ... obtained using latest version of SpecEmu...

    Fortunately, even if ... validates that SpecEmu is correctly emulating memory contention and port *FF just like ...
    Einar Saukas Einar Saukas April 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…

    ... Timex MMU by writing to port #FF and then reading it back ... s AY by writing to port #F6 and reading it ... s no AY on that port then it's an ... it. Do you know if SpecEmu provides a reliable emulation of ... Timex clones? If SpecEmu is to be believed, the ...
    introspec introspec September 2013 Development
  • Does ScanLine[0] have a left border?My emulator couldn't handle Cobra or ShortCircuit so I added some rough port FF values. I now want to make it a bit more accurate. The FAQ gives me a…

    ... so I added some rough port FF values. I now want to ...
    Unique Unique February 2005 Development
  • Timex port #FF questionI subsequently found the error.

    I subsequently found the error.
    chev chev March 2006 Development
  • SAM COUPE and GALACTIC GUNNERS with mouse controlGalactic Gunners with mouse control for SAM COUPE [url]http://velesoft.speccy.cz/samcoupe/sammouse/sammouse-software/galactic_gunners-sm.zip[/url] Th…

    ... [/url]
    This game read port #FF and work perfect only with ...
    velesoft velesoft July 2007 Games
  • SZX Beta 128 (aka TRDOS) block questionHello, I have a question or two regarding the Beta 128 (aka TRDOS) block of SZX. Hopefully someone (Jon, Philip) will help me. What is supposed to …

    ... the last value written to port #FF. If that's the case ... .e., the values read from #FF?

    - The Fuse source ... the last value read from port #FF there. If that's the ...
    Patrik Rak Patrik Rak August 2010 Emulators
  • Timing of Timex Computer 2068Is the timing of the Timex Computer 2068 fully documented yet? I have one here with the ZX Spectrum Emulator cartridge and have downloaded a few test…

    ... , not least because port FF is a fully decoded port on the Timex ...
    rga24 rga24 April 2013 Hardware
  • Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…

    ... is set (only writing to port #7FFD work always). This ... data

    Control port #FF(255) for write
    ------------------------------

    Control port #FF(255) for reading
    --------------------------------
    velesoft velesoft August 2013 Hardware
  • 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…

    ... use the same port #FF, and therefore incompatible ... change decoding clone port #FF Timex 2048/2068:
    PORT ADDRESS DECODING
    ... for port #FF Timex 2048/2068.
    Black_Cat Black_Cat February 2014 Hardware
  • ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…

    ... />
    3. There is no port FF currently. I'm not sure ... a link.

    4. Port decoding is still 'redundant' (means ... port #FE is decoded with full ... . Yet some hacks added for port #7FFC to work correctly.
    lvd lvd January 2015 Hardware
  • PUSH scrollers 3[url=https://drive.google.com/file/d/0B-KEeni1WXmoYk9Dek1zVnd6Rk0/view?usp=sharing]CATS - Faith edition (example)[/url] Hello and welcome to the w…

    ... />
    This version is using port #FF reads for synchronization. It's ...
    Hikaru Hikaru October 2015 Development
  • ZEsarUX 6.1 BETAHi I have uploaded a new ZEsarUX BETA version 6.1. You can download it from the usual beta url: https://sourceforge.net/projects/zesarux/files/…

    ... a Spectrum 128k. When port 1ffd enabled, port FF return FF
    Fixed window ...
    chernandezba chernandezba January 2018 Emulators
  • ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…

    ... 128k. When port 1ffd enabled, port FF return FF
    * Kempston port returns 0 when ...
    chernandezba chernandezba May 2018 Updates
  • ANNOUNCE: vbSpec v1.60The latest, greatest, most wonderful and beautiful release of vbSpec, the free Spectrum emulator for Windows, is available now from:- [url="http:/…

    ... Woodmass for his assistance).
    Port #FF in TC2048 mode is now ...
    Chris Cowley Chris Cowley November 2002 Emulators
  • Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…

    ... synchronise your screen flipping then? Port $ff? If so this isn't ...
    Jon Needle Jon Needle November 2003 Development
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... of floating bus + port conflict trouble. It reads port $ff until a certain ... the ula. On the ts2068 port $ff is used to select the ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Emulators
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... can add that not only port FF could be a problem. If ...
    Vladimir Kladov Vladimir Kladov May 2004 Emulators
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... it is due to the port 0xff values being different ... Uridium, it's not port $ff though as port $ff is most commonly read ... compatible with the Spectrum. Shame port $ff is also used to select ... . Reading port $1f, which is unconnected, should return $ff on a ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Emulators
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... it is due to the port 0xff values being different ... Uridium, it's not port $ff though as port $ff is most commonly read ...
    Apologies, I meant port $fe not $ff. This difference really does ... contain attribute values ala reading port $ff on the Speccy. I ...
    Fred Fred May 2004 Emulators
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... contain attribute values ala reading port $ff on the Speccy. I think ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Emulators
  • SPIN & port #FFHow to solve a problem with port #FF on SPIN? This prevent me from creating correct RZX-file with Short Circuit, part 1.

    What problem are you having?

    Port $FF is an unattached port - it will reliably return $FF on a read in +2a/+3 hardware, and floating bus results for any prior models.

    D.
    Dunny Dunny November 2004 Emulators
  • Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…

    ... decimal 69 on reading from port $FF.

    As an initial ...
    Digital Prawn Digital Prawn December 2005 Emulators
  • 128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…

    ... did the "floating bus" or port $FF fix with that one resistor ...
    Tom-Cat Tom-Cat December 2005 Hardware
  • 128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…

    ... did the "floating bus" or port $FF fix with that one resistor ...
    cyborg cyborg December 2005 Hardware
  • Assistance with IM2 routineI subsequently got a working IM2 routine.

    ... :14, aowen wrote:
    of port #FF before changing the screen mode ... />
    IN A,($FF) ; the screen mode port
    AND $80 ; mask ... , white on black
    OUT ($FF),A ; write out the modified ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Development
  • Assistance with IM2 routineI subsequently got a working IM2 routine.

    ... a write happens to say, port $ff. Maybe that will help chase ...
    Alcoholics Anonymous Alcoholics Anonymous March 2006 Development
  • Spectrum +2 questionThis is probably a very dumb question, but I'd thought I'd ask anyway. I understand that there are 3 model +2 spectrums (+2, +2A and +2B). How can I…

    ... . There are some problems with port $FF not working properly, but a ...
    Tom-Cat Tom-Cat January 2007 Hardware
<1234567…34>

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