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Search Again :: Adv Search 926 results in 0.002s
<1234567…31>
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... /> [url="http://www.z80.info/decoding.htm"]http://www.z80.info ... /decoding.htm[/url]

    I' ... running in to a problem decoding the following:

    DDCB ...
    vreddy vreddy December 2004 Development
  • Port 0x7ffd Partial DecodingI'm trying Pitfighter on my emulator and it runs in +2A/+3 mode but crashes in 128k/+2 mode. I traced it down to an OUT instruction which sends 4 to …

    ... /> Now after reading about partial decoding in the faq I made ... can take out the partial decoding (respond to 7FFD only) to ... or have I misunderstood partial decoding?
    Unique Unique February 2005 Development
  • Run Length DecodingRun length encoding/decoding is far less efficient than using a modern compression program.

    Run length encoding/decoding is far less efficient than using a modern compression program.
    chev chev March 2006 Development
  • "Decoding Z80 Opcodes" updateHello, To whom it may concern: I've made an update to my document, "Decoding Z80 Opcodes" at [URL="http://www.z80.info/decoding.htm"]http://www.z80.…

    Hello,

    To whom it may concern: I've made an update to my document, "Decoding Z80 Opcodes" at [URL="http://www.z80.info/decoding.htm"]http://www.z80.info/decoding.htm[/URL]. Thanks to BlueChip for his suggestions and corrections.
    GOC GOC August 2006 Announcements
  • Decoding of speccy keyboardHello everyone. I face following problem with spectrum keys decoding and need some explanation. I know how to decode a single key press by reading po…

    ... following problem with spectrum keys decoding and need some explanation.
    decoding may not be possible.
    What i need is unique decoding at least six (even better ...
    Fikee Fikee April 2008 Development
  • decoding speech in Creature of HavocI've been looking at the Fighting Fantasy gamebook "Creature of Havoc" for the first time, since it was mentioned yesterday in another place, and hav…

    ... encountered a small snag with decoding speech. As a reminder, the ... [b]encoding[/b] speech, not decoding it, which threw me for ...
    Battle Bunny Battle Bunny August 2010 Chit chat
  • Incorrect joystick decoding in Fuse & SpectaculatorAccording to a test that a fellow member ([B]utopian[/B]) at the [url=http://www.speccy.org/foro/viewtopic.php?f=6&t=2475]speccy.org[/url] forum has …

    ... seems to be an incorrect decoding issue for the ports used ... 40057 chip, responsible for joystick decoding, uses A0, A11 and A12 ... the keyboard pins, so the decoding process is solely performed by ...
    mcleod_ideafix mcleod_ideafix December 2011 Emulators
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... 've written an LZ77 en/decoding routine as I couldn't ...
    Battle Bunny Battle Bunny March 2012 Development
  • "Decoding z80 Opcodes" (http://www.z80.info/decoding.htm#intro) - Incorrect HALT Opcode?Apologies if this is a dupe but I searched within the forums and couldn't find anything. I've been working on a z80 emulator (for academic and rec…

    ... using http://www.z80.info/decoding.htm#intro to write the ... decoding logic. In the decoding tables it seems ...
    Travis Kaufman Travis Kaufman July 2016 Development
  • Re PSI Chess and others...After reading about Ed's 36 hour decoding mission on PSI Chess, I feel that the one thing we need is a totally comprehensive instructions section. I …

    ... about Ed's 36 hour decoding mission on PSI Chess, I ...
    Spector Spector February 2002 Games
  • Realtime Tape Loading, Windows Speccy EmulatorHi folks, I'm very impressed by the amount of Windows Speccy Emulators that have been popping up this year !. What with Spectaculator, ZX SPIN, and…

    ... to us to do the decoding) !.

    I'm hoping ...
    Andrew Barker Andrew Barker August 2002 Emulators
  • 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…

    ... that it requires some address decoding etc...Anyone managed to do ...
    Dan Dan November 2002 Sinclair Miscellaneous
  • Formula OneHello, I am new to this forum but I decided to join you guys since I am a ZX Spectrum game lover. My favourite ZXS game is Formula One, available on …

    ... there was a way of decoding those characters I could do ...
    kihality kihality May 2003 Games
  • Huffman questionI'm pretty sure that the answer to my question is "no", but I just want a second opinion: Is it possible to somehow cram a Huffman decompressor + de…

    ... somehow cram a Huffman decompressor + decoding tree (for 256 elements) into ...
    GOC GOC July 2003 Sinclair Miscellaneous
  • To whoever maintains the ArchiveThe program in the utilities section of the archive called "AX.25 Packet Radio" is an Ameteur Radio Data Utility as is "RTTY" which is a decoder for…

    ... an Amateur Radio utility for decoding fax transmissions
    _________________
    guesser guesser July 2004 Sinclair Miscellaneous
  • 2 questions regarding partial port decoding1) What happens if the Spectrum reads from a port whose number matches the criteria for more than one device ? Does only one of the devices get to r…

    1) What happens if the Spectrum reads from a port whose number matches the criteria for more than one device ?

    Does only one of the devices get to receive/send the byte or do all do so ?

    An example of a troublesome command would ...
    GOC GOC August 2004 Development
  • ANNOUNCE: Resistor version minus 1.0.0Given the discontinued development of Taper and the vapourware nature of certain other products, there's a lack of a modern, up to date, maintained t…

    ... to date, maintained tool for decoding (encoding?) audio files into TZX ... can have a hope of decoding these in future.
    * Information ... know: write me a better decoding algorithm so that it does ...
    Philip Kendall Philip Kendall January 2005 MIA/STP/SDP
  • New GP32 coming out....The spec looks excellent and should run MAME, SNES and hopefully GBA full speed. Whats also exciting is the TV out connection !.... The ultimate ho…

    ... TV)
    Divx/Xvid hardware decoding (any resolution, just copy them ...
    psj3809 psj3809 September 2005 Sinclair Miscellaneous
  • ANN: Tipshop updated Wednesday, 30 November 2005Wednesday 30 November 2005 Happy 10th Birthday, WoS! Another massive update including 185 new adventure game solutions/tips(!!!) amongst other things…

    ... in his tips and a decoding key for Runes Of Zendos ...
    hackersanon hackersanon December 2005 Announcements
  • dK'Tronics 4K Graphics ROMHi, I've got a working 4K graphics ROM fitted (today) in my ZX81 (yay!). I'd like to put a RAM chip (battery-backed) in the socket provided, howeve…

    ... ) to sort out the address decoding logic.

    Unfortunately there ...
    hldswrth hldswrth December 2005 Hardware
  • Tapir feedback[QUOTE=jpablo]Are you planning to add support for decoding VOCs/WAVs from the tool as well?[/QUOTE] Since Luca offered help, we may together even so…

    [QUOTE=jpablo]Are you planning to add support for decoding VOCs/WAVs from the tool as well?[/QUOTE]

    Since Luca offered help, we may together even someday integrate MakeTZX into Tapir.
    Mikie Mikie December 2006 Emulators
  • Emulator Realtime Tape FilterHi folks, Apologies if this exists in any emulator, but..... Does anyone have planned, to add to their emulator functionality that allows you to ap…

    ... . I think RealSpectrum (Windows) allowed decoding to TZX in this way ...
    Andrew Barker Andrew Barker July 2008 Emulators
  • Some digital/analog "flaws" I enjoy/miss.I enjoy the soft fuzzyness of a CRT TV when watching shows/movies but I do enjoy the crispness of a LCD monitor when used with a computer/console. I…

    ... fault in the file or decoding probs(I've no clue ...
    ZnorXman ZnorXman January 2009 Chit chat
  • 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…

    ... project that allows for extra decoding and addressing of larger roms ...
    Zetr0 Zetr0 June 2009 Hardware
  • Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…

    ... efficient methods for parsing and decoding assembly opcodes. Note that I ...
    doynax doynax June 2009 Development
  • MakeTZXplease tell me where can I find latest version of maketzx ( v2.34?) is there a better program for decoding .wav? thanks

    please tell me where can I find latest version of maketzx ( v2.34?)
    is there a better program for decoding .wav?

    thanks
    orange orange July 2009 MIA/STP/SDP
  • Style - Saga Systems LtdHi folks, Regarding: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0012138[/url] Andrew Blood kindly sampled for Style by Saga Systems Ltd …

    ... seems to stop short of decoding the whole main block by ...
    Andrew Barker Andrew Barker September 2009 MIA/STP/SDP
  • What do I need to have a faster computer?My computer struggles a bit to play back large videos. DVDs playback fine, (and the CPU load is between 35% and 45%), but if the resolutions is highe…

    ... are capable of offloading the decoding of videos off the CPU ...
    wilsonsamm wilsonsamm May 2010 Chit chat
  • RFC: ZXI hardware interface standardisationReposted from c.s.s to reach a wider audience [QUOTE=Andrew Owen] You may have noticed that there are more people making add-ons for the Speccy than…

    ... thinking that perhaps full port decoding would have been a good ... Timex (which uses full port decoding). But there is another problem ...
    guesser guesser June 2010 Hardware
  • TV went black & white...Yesterday my old, trusty CRT television suddenly decided to show TV channels in black & white only. (and nothing of value was lost... :grin:) It's a…

    ... appears to be just detection / decoding colors from the broadcast signal ...
    RetroTechie RetroTechie November 2010 Chit chat
<1234567…31>

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    mel the bell on April 21
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Related Threads

  • "Decoding z80 Opcodes" (http://www.z80.info/decoding.htm#intro) - Incorrect HALT Opcode?Apologies if this is a dupe but I searched within the forums and couldn't find anything.<br /> <br /> I've been working on a z80 emulator (for acad…
  • 2 questions regarding partial port decoding1) What happens if the Spectrum reads from a port whose number matches the criteria for more than one device ?<br /> <br /> Does only one of the devi…
  • Z80 register decoding document error?Hi, <br /> <br /> I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). <br /> <br /> [url="http://w…
  • Port 0x7ffd Partial DecodingI'm trying Pitfighter on my emulator and it runs in +2A/+3 mode but crashes in 128k/+2 mode.<br /> I traced it down to an OUT instruction which sends…
  • Run Length DecodingRun length encoding/decoding is far less efficient than using a modern compression program.
  • "Decoding Z80 Opcodes" updateHello,<br /> <br /> To whom it may concern: I've made an update to my document, "Decoding Z80 Opcodes" at [URL="http://www.z80.info/decoding.htm"]htt…
  • Decoding of speccy keyboardHello everyone.<br /> I face following problem with spectrum keys decoding and need some explanation.<br /> I know how to decode a single key press b…
  • decoding speech in Creature of HavocI've been looking at the Fighting Fantasy gamebook "Creature of Havoc" for the first time, since it was mentioned yesterday in another place, and hav…
  • Shadow ROM partial decoding not implemented in emulatorsOr at least, not implemented in Spectaculator, and it seems that not in Fuse too.<br /> <br /> [URL="http://www.speccy.org/foro/viewtopic.php?f=8&amp…
  • Incorrect joystick decoding in Fuse & SpectaculatorAccording to a test that a fellow member ([B]utopian[/B]) at the [url=http://www.speccy.org/foro/viewtopic.php?f=6&amp;t=2475]speccy.org[/url] forum …

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