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<1…19202122232425…34>
  • Best Spectrum game from 2009Ok, its almost 2010, and we have to decide which was the best game this year :) Miles Mad Mission [url]http://www.worldofspectrum.org/infoseekid.cg…

    ... clones with original ZX Spectrum (contention), TR-DOS (loadings in the ...
    Shiru Shiru January 2010 Games
  • Best Spectrum game from 2009Ok, its almost 2010, and we have to decide which was the best game this year :) Miles Mad Mission [url]http://www.worldofspectrum.org/infoseekid.cg…

    ... clones with original ZX Spectrum (contention), TR-DOS (loadings in the ...
    joefish joefish January 2010 Games
  • Sinclair Accounts 1980-1985Sinclair accounts docs from 1980 to 1985 are available on my website. [url]http://www.zxdesign.info/sinclair[/url] Apart from the figures, which ar…

    ... .. It's a bone of contention between me and the 'powers ...
    csmith csmith February 2010 Sinclair Miscellaneous
  • iXpectrum 1.1 added touch keyboard and ULAplus support.Hi, a new release for iXpectrum. ;) I added a touch keyboard in landscape and portrait mode. I think it is very usable and let you play text adventu…

    ... 3gs or you could disable contention mode to gain some fps ...
    Seleuco Seleuco February 2010 Emulators
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... goal when compatibility and memory contention will be fixed or implemented ...
    koseidon72 koseidon72 February 2010 Emulators
  • Spectrum 2-3 times more powerfull than MSX?![url]http://www.youtube.com/watch?v=2-kI0urN9tI#t=8m18s[/url]

    ... is quicker even allowing for contention. The MSX also has a ...
    joefish joefish March 2010 Sinclair Miscellaneous
  • CPI emulationI'm currently writing Sinclairean's emulation assembly for the CPI/CPD/CPIR/CPDR instruction group. Does anybody know what exactly the behavior of th…

    All 5 are contended (48K/128K ULAs, not for the +2a/+3) with contention based on the address in HL. And there is no write as you say :)

    The same goes for the extra 5 for the repeating varieties.
    Woody Woody March 2010 Emulators
  • Spectrum 2-3 times more powerfull than MSX?![url]http://www.youtube.com/watch?v=2-kI0urN9tI#t=8m18s[/url]

    [QUOTE]The NTSC Spectrum has the same 6,5,4,3,2,1,0,0 contention pattern as the 48K machine, but starting at tstate 8959 rather than 14335.[/QUOTE]

    Aaaarrggghhh!!! That's what I meant when I said "a lot less time to play with in 60 Hz" :D
    Madonna Mk 2 Madonna Mk 2 March 2010 Sinclair Miscellaneous
  • CPI emulationI'm currently writing Sinclairean's emulation assembly for the CPI/CPD/CPIR/CPDR instruction group. Does anybody know what exactly the behavior of th…

    ... , which is why all those IR contended cycles have an effect ... in the wiki - the final ir:1 contended cycle for LD ...
    Woody Woody March 2010 Emulators
  • My lightbulbI've got an energy saving lightbulb in most rooms in my home. One of them keeps going off for a second or two, then comes back on. Is this a sign it…

    The energy saving bulb in my room emits random infra-red signals. It causes the IR detection light on my various appliances to flicker, and sometimes make them do unexpected things.
    Scottie_uk Scottie_uk March 2010 Chit chat
  • My lightbulbI've got an energy saving lightbulb in most rooms in my home. One of them keeps going off for a second or two, then comes back on. Is this a sign it…

    ... -red signals. It causes the IR detection light on my various ...
    zx1 zx1 March 2010 Chit chat
  • My lightbulbI've got an energy saving lightbulb in most rooms in my home. One of them keeps going off for a second or two, then comes back on. Is this a sign it…

    [QUOTE=zx1;430441]Spooky! I bet you thought you a had a ghost in your house![/QUOTE]

    No, I knew it was the light as when I turned it on it started happening.

    The solution, a bit of blue tack over the IR sensors.
    Scottie_uk Scottie_uk March 2010 Chit chat
  • Windows 7 - Best Speccy Emulator?As the title says, what's the best speccy emulator that will run Windows 7? Ta :)

    ... is something wrong with mutliple contention on different ports, and spin ...
    Arda Arda March 2010 Emulators
  • Windows 7 - Best Speccy Emulator?As the title says, what's the best speccy emulator that will run Windows 7? Ta :)

    ... is something wrong with mutliple contention on different ports, and spin ...
    Arjun Arjun March 2010 Emulators
  • Tiscali (now Talk Talk)anyone else use tiscali? Is anyone else suffering from the broadband being a bit flakey, it's seems to come and go - you'll be fine for a few minute…

    ... that with the 50:1 contention ratio on ADSL and Talk ...
    rwap rwap March 2010 Chit chat
  • Have a real 48k Speccy? yes ? I need your help.Im looking to run this quick test on as many [COLOR="Red"](only)[/COLOR] 48k Spectrums as possible [B][COLOR="Red"]files moved[/COLOR][/B] [URL="ht…

    ... of tests to check the contention values I added to our ...
    Richard_Butler Richard_Butler March 2010 Development
  • Bronx review and brand new Speecy blogAlright, so I created this blog to review Specrtum games every now and then. I think I did a decent job for a beginner. Here it is with a Bronx rev…

    ... tir?n en vez de ir con el rat?n para ... en vez de tener que ir p?rrafo s? - p?rrafo ...
    Zup Zup April 2010 Games
  • Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…

    ... RAM, but without the interfering contention.

    The screen starts ...
    joefish joefish April 2010 Emulators
  • Xpectroid Android ZX Spectrum emulator is out.You can download Xpectroid 1.0 free from Android Market Place. [url]http://www.androlib.com/android.application.com-seleuco-xpectrum-BtDq.aspx[/url]…

    ... menu?.... You can turn of contention mode to speed up emulator ...
    Seleuco Seleuco April 2010 Emulators
  • My emulator has a CPU bug, any ideas?.Hi all, I am writing a Speccy emulator in PureBASIC but have an odd bug. The spectrum interprets the odd numbers incorrectly whenever they are typed…

    ... they test for, such as contention, it's easy enough to ...
    gasman gasman April 2010 Emulators
  • Mistake in the 128K technical FAQ?[url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url] [quote]Memory banks 1,3,5 and 7 are contended.[/quote] Really? I thought i…

    ... them is clearly affected by contention and the other isn't ...
    Woody Woody April 2010 Hardware
  • DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…

    ... only place I run into contention is when writing to screen ...
    gasman gasman May 2010 Announcements
  • So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…

    ... number of T-states that contention lasts without getting unacceptably far ...
    Winston Winston June 2010 Hardware
  • So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…

    ... jitter if a lot of contention happens in a very short ...
    Winston Winston June 2010 Hardware
  • "Programming the Spectrum in Assembly" series in Micro MartI see that Shaun Bebbington is starting a series of articles in Micro Mart magazine on how to program in assembly for those who might know a little b…

    A far bigger effect is that the +2A/+3 have less contention than the 48K/128K.
    Philip Kendall Philip Kendall June 2010 Sinclair Miscellaneous
  • "Programming the Spectrum in Assembly" series in Micro MartI see that Shaun Bebbington is starting a series of articles in Micro Mart magazine on how to program in assembly for those who might know a little b…

    ... the +2A/+3 have less contention than the 48K/128K.[/QUOTE ... +2A/+3 there are less contention situations, but the effect can ...
    Metalbrain Metalbrain June 2010 Sinclair Miscellaneous
  • "Programming the Spectrum in Assembly" series in Micro MartI see that Shaun Bebbington is starting a series of articles in Micro Mart magazine on how to program in assembly for those who might know a little b…

    ... +2A/+3 there are less contention situations, but the effect can ... -world algorithm which experiences more contention on a +2A/+3 than ... experiences [i]much[/i] less contention on a +2A/+3 than ...
    Philip Kendall Philip Kendall June 2010 Sinclair Miscellaneous
  • "Programming the Spectrum in Assembly" series in Micro MartI see that Shaun Bebbington is starting a series of articles in Micro Mart magazine on how to program in assembly for those who might know a little b…

    ... -world algorithm which experiences more contention on a +2A/+3 than ...
    Metalbrain Metalbrain June 2010 Sinclair Miscellaneous
  • life****in hell sometimes lifes shit it kicks u when ur down then it tramples on ur head wen ur on the floor and then to rub it in it ****in dances on ur…

    [img]http://www.animak.ir/store/014/goofy.gif[/img]
    ZnorXman ZnorXman June 2010 Chit chat
  • LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…

    ... HALT you can reduce the contention.
    BloodBaz BloodBaz June 2010 Development
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
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    mel the bell on April 21
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    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

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  • Memory Map/ContentionHi <br /> I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scr…
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