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  • TZX formatQuick question: What is the current pulse level at the start of a TZX file? Difficult question: Why does the format say that the final pulse shoul…

    ... this always applies to tape timings in general: we usually desume ... the theoretical timings from the machine code routines ... 'll never get the theoretical timings on the tape, each saved ...
    Luca Luca March 2005 Development
  • How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …

    ... Luca, I'll be using 7FFD then. Couple of questions your ... ) How would 48k machines handle 7FFD? As it doesn't exist ...
    Unique Unique March 2005 Emulators
  • How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …

    ... ) How would 48k machines handle 7FFD? As it doesn't exist ...
    Luca Luca March 2005 Emulators
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    I have a question - it's not that I'd like to have a Speccy repaired, but I'm just curious... Do the new Z80s have the exact same timings, i.e. can 'repaired' computers be guaranteed to run demos correctly ?
    GOC GOC May 2005 Sinclair Miscellaneous
  • Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …

    Well you can underclock the processor no problem but the newer one's have instruction pipelines so that's going to affect the timings.
    cyborg cyborg May 2005 Sinclair Miscellaneous
  • Why do people around here favour Spin/Spectacular?I use Klive. I've never used either of the above two. Can someone tell me why they appear to be superior, is the author hanging around here somewhere…

    ... interest there, we emulate pentagon timings, and took efforts to get ...
    Dunny Dunny May 2005 Emulators
  • Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…

    ... not standard. It had different timings thus caused several incompatibilities.
    na_th_an na_th_an June 2005 Sinclair Miscellaneous
  • Games with amusing body counts and excellating carnage!For those of a lighter heart than the philosophical muse of appreciation then how about good old deatha nd killing and killing, you get the idea. I a…

    ... animation sequences... hahahahaaa those comic timings get me again and again!
    Spectea_um Spectea_um June 2005 Games
  • Amstrad or Sinclair: Who Made Better Speccys?Just wanted to know....

    ... to take the risk that timings would be changed for emulator ...
    Fred Fred July 2005 Sinclair Miscellaneous
  • "Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]

    ... in clockspeed. The lengthy opcode timings on z80 would surely narrow ...
    devnull devnull July 2005 Games
  • "Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]

    ... they start interfering with display timings (VSYNCS etc). It's easy ...
    AndyC AndyC July 2005 Games
  • "Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]

    ok, so whats at $7ffd on a spectrum 48k?
    devnull devnull July 2005 Games
  • Emulator with frame advance?Are there any emulators which preferably both play RZX files and also (and here's the odd but important bit) feature a "frame advance" button so that…

    ... I can get exact movement timings and stuff from a game ...
    Vladimir Kladov Vladimir Kladov August 2005 Emulators
  • New horizontal scrolling gameI have just been working on this for the last months. Heres a snapshot, let me know what you think. [url="http://www.geocities.com/ruijtunest/rtun…

    ... your carefully-arranged screen refresh timings.

    When I get ...
    gasman gasman August 2005 Development
  • Longest Game Loading Time................Hi peeps.... What game do you all reckon was the longest loading time?...I know alot of 128k games took ages cause of levels being loaded all at onc…

    ... go ahead and take some timings for the evil that is ...
    Daren Daren August 2005 Sinclair Miscellaneous
  • BBC BASIC for the SpectrumThe latest update of BBC BASIC for the Spectrum at [url="http://www.mdfsnet.f9.co.uk/Software/Spectrum/BBCBasic"]http://www.mdfsnet.f9.co.uk/Software…

    Excellent! BBC Basic works really well for the Z80 - the interpreter timings are very good. [SHAME on ZX Basic!] Will graphics be implemented?

    [ This Message was edited by: absorbentgnome on 2005-08-18 12:15 ]
    absorbentgnome absorbentgnome August 2005 Sinclair Basic
  • BBC BASIC for the SpectrumThe latest update of BBC BASIC for the Spectrum at [url="http://www.mdfsnet.f9.co.uk/Software/Spectrum/BBCBasic"]http://www.mdfsnet.f9.co.uk/Software…

    ... for the Z80 - the interpreter timings are very good. [SHAME on ...
    Jonathan Harston Jonathan Harston August 2005 Sinclair Basic
  • Heavy on the magick ??I have an original tape version of Heavy on the magick but it has been left in the loft for too long i think (20 years!!) and so wont load....i've ju…

    ... are incapable of describing the timings needed for a speedloader, and ... uses the normal ROM LOAD timings.

    D ...
    Dunny Dunny September 2005 Games
  • Heavy on the magick ??I have an original tape version of Heavy on the magick but it has been left in the loft for too long i think (20 years!!) and so wont load....i've ju…

    ... uses the normal ROM LOAD timings.
    [/quote]

    [url ...
    Philip Kendall Philip Kendall September 2005 Games
  • Heavy on the magick ??I have an original tape version of Heavy on the magick but it has been left in the loft for too long i think (20 years!!) and so wont load....i've ju…

    ... uses the normal ROM LOAD timings.
    [/quote]

    [url ...
    Dunny Dunny September 2005 Games
  • Turbo baud rates, pulses length for +50%(2250)?I need the 0-bit and 1-bit pulse lengths for 2250 baud rate. Also, a table with pulse lengths for upto +100% (and beyond) would be very useful to me…

    ... the ramsoft document, ALL zxtape timings are written according to a ... /> So to get the correct timings for tapes pre 1986/87 ...
    FrankT FrankT September 2005 Sinclair Miscellaneous
  • Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.

    ... be more interested in pentagon timings for instance. As a matter ... wishlist:

    - 128/pentagon timings (selected by some out)
    lordcoxis lordcoxis October 2005 Emulators
  • Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.

    ... wishlist:

    - 128/pentagon timings (selected by some out)
    Philip Kendall Philip Kendall October 2005 Emulators
  • Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.

    ... wishlist:

    - 128/pentagon timings (selected by some out)
    lordcoxis lordcoxis October 2005 Emulators
  • Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.

    ... /> The TC2048 has much closer timings to the original ULA machine ...
    Fred Fred October 2005 Emulators
  • TZX2TAP neededA quick question. Does anybody have a tzx to tap converter program that I can use in batch mode and will take long filenames?. If so can you please…

    ... don't use standard ROM timings (ie, they employ accelerated loaders ...
    Dunny Dunny October 2005 Development
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    ... you plan to get the timings from the loader itself, which ... come across. We could supply timings inside the emulator from that ...
    Dunny Dunny October 2005 Development
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... TZX specification says that all timings are referred to a 3 ...
    Luca Luca October 2005 Emulators
  • Ideas for new tape storage formatSome called them decoders or encoders, but I think that it is just something like form of presentation. Goal is of course smaller size, support of e…

    Just to note that the timings on my currently downed site ...
    Andrew Barker Andrew Barker November 2005 Development
  • Longest Game Loading Time................Hi peeps.... What game do you all reckon was the longest loading time?...I know alot of 128k games took ages cause of levels being loaded all at onc…

    ... go ahead and take some timings for the evil that is ...
    chop983 chop983 November 2005 Sinclair Miscellaneous
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