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  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... the results expected for having contention starting one tstate later than ...
    Philip Kendall Philip Kendall November 2007 Hardware
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... ... failed (0x02)
    High port contention 1... passed
    High port ...
    Mr. Anonymous Mr. Anonymous November 2007 Hardware
  • Quick testCould I ask anyone with a real 128K or +2 to run the latest [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]Fuse test suite[/url] on it and …

    ... memory... passed
    High port contention 1... passed
    High port ...
    Mr. Anonymous Mr. Anonymous November 2007 Hardware
  • Can you write in the border?Is it at all technically possible in any way to get stuff into the border, apart from changing the border colour? I believe the C64 used the border a…

    ... the border port (removing display contention for extra speed). If the ...
    obo obo November 2007 Sinclair Basic
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone. I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where the "snow ef…

    ... with refresh, but is a contention side-effect and is not ... fact, it switches off any contention at the rising edge of ... between 0x4000 and 0x7FFF the contention will not be noticed as ... ULA will be in its 'contention off mode', but it will ...
    csmith csmith November 2007 Development
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    [QUOTE=Philip Kendall;224783]I believe Marko accidently disabled contention :-)[/QUOTE]

    WRONG! Marko disabled contention quite deliberately during a test - unfortunately, he forgot to turn it back on again :p

    Marko
    Marko Marko November 2007 Emulators
  • Spin 0.666 Little Bug using 48K Keyboard helperHello, There is a little bug in the 48K Keyboard Helper. If you try to write an inverted commas ("), LOAD "", for example, if you press the p key a…

    [quote=Marko;225080]WRONG! Marko disabled contention quite deliberately during a test - unfortunately, he forgot to turn it back on again :p

    Marko[/quote]
    You do get quite absent-minded when you get to Marko's advanced age...
    rich_chandler rich_chandler November 2007 Emulators
  • Quick test (2)Could I ask any 128 / +2 / +2A / +3 owners to test the new version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]fusetest[/url] on thei…

    ... (0x01)
    HP contention 1...passed
    HP contention 2...failed (0xff ...
    Jose_Leandro Jose_Leandro November 2007 Hardware
  • Quick test (2)Could I ask any 128 / +2 / +2A / +3 owners to test the new version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.tap]fusetest[/url] on thei…

    ... dramatically at the 'High port contention 2' test. I assume this ...
    gasman gasman November 2007 Hardware
  • Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…

    ... the bytes without any memory contention would be nice, too.[/QUOTE ...
    zub zub November 2007 Emulators
  • New tape releases - 128K only?As Jon's new Egg-Head game is 128K only, and splATTR has also evolved into a 128K only game - both due to memory constraints - I was wondering if the…

    ... be the case, but the contention on the RAM pages will ...
    icabod icabod December 2007 Games
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... measure the impact of buss contention introduced by using hi-res ... also suffer from some bus contention caused by video refresh that ...
    JamesD JamesD December 2007 Sinclair Basic
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... also suffer from some bus contention caused by video refresh that ... on performance. The CPC's contention model has more impact -- the ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Sinclair Basic
  • New Spectrum game - Isotopia by OctocomOctocom, the guys who made BASIC programmed games such as Pandemia or Insert Coins, released yesterday their very first compiled BASIC game: Isotopia…

    ... are the memory-paging & contention timing differences, but I'm ...
    bobs bobs December 2007 Games
  • Virgin Media SuckThey how charge 25p per min + 10p connection chage to for customer service?? All their previous systems for contacting them have now been recinded. …

    ... they've done away with contention that annoyed me too.
    dekh dekh December 2007 Chit chat
  • New tape releases - 128K only?As Jon's new Egg-Head game is 128K only, and splATTR has also evolved into a 128K only game - both due to memory constraints - I was wondering if the…

    ... be the case, but the contention on the RAM pages will ...
    Tom-Cat Tom-Cat December 2007 Games
  • New Spectrum game - Isotopia by OctocomOctocom, the guys who made BASIC programmed games such as Pandemia or Insert Coins, released yesterday their very first compiled BASIC game: Isotopia…

    ... are the memory-paging & contention timing differences, but I'm ...
    na_th_an na_th_an December 2007 Games
  • Skyway - Unfinished game from 1987Hi all, As gasman previously mentioned ( [url]http://www.worldofspectrum.org/forums/showpost.php?p=222177&mp;postcount=166[/url] ) I did a bit of gam…

    ... all my spectrums and the harlequin.

    Yeah, the loader ...
    csmith csmith December 2007 Games
  • Skyway - Unfinished game from 1987Hi all, As gasman previously mentioned ( [url]http://www.worldofspectrum.org/forums/showpost.php?p=222177&mp;postcount=166[/url] ) I did a bit of gam…

    ... all my spectrums and the harlequin.

    Yeah, the loader ...
    jp jp December 2007 Games
  • a year of WOSfSo what exciting things do you think deserve a mention, in a year of WOSf. the site going down, and members being scattered across the world wide we…

    Don't forget the completion of the bomb, errm, I mean the Harlequin!
    Winston Winston December 2007 Chit chat
  • Full throttle CPUHello, I was just wondering: do you experts know if any of the 48K games pushes the Z80 CPU to 100%? I mean, every CPU cycle is used? If so, what's t…

    ... just as quick (modulo memory contention) as any other write on ...
    Philip Kendall Philip Kendall January 2008 Sinclair Miscellaneous
  • another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)

    ... first place.

    Then contention would also be an absolute ... like this but also eliminate contention altogether.
    Winston Winston January 2008 Games
  • another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)

    ... this for one of the harlequin display modes ;-)

    Cheers ...
    csmith csmith January 2008 Games
  • A suggestion about new gamesI'm talking about "[I]Brand New Games[/I]" ([I]Isotopia, Daytona USA, Space Rocks[/I]...) Don't you think they must be in a separate part in the arc…

    ... 's time reading. So my contention was pragmatic, rather than trying ...
    Danforth Danforth January 2008 Games
  • Fuse for Mac OS X beta releasesA beta version of Fuse for Mac OS X has been released at the dedicated sourceforge project: [url]http://sourceforge.net/projects/fuse-for-macosx/[/u…

    ... emulation (Q-Master).
    [*] Fix contention for LD?R, CP?R ... (Stuart Brady).
    [*] Separate out contention when MREQ isn't active ... the +2A/+3 ULA applies contention only when MREQ is active ...
    Fred Fred February 2008 Emulators
  • Ethernet updateNo, I've not been entirely dormant on the project whilst I was away... [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] - Work in …

    ... can we get into the Harlequin CPLD??
    Might have to ... not enough pins. Still, the Harlequin SE will certainly need Ethernet ...
    csmith csmith February 2008 Hardware
  • Ethernet updateNo, I've not been entirely dormant on the project whilst I was away... [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] - Work in …

    ... , if designing ethernet into the Harlequin, you wouldn't need the ...
    Winston Winston February 2008 Hardware
  • Giving up the internet for a whileInspired by a friend doing the same recently, I've decided to take a break from recreational internet usage for a while. I'm allowing myself to use e…

    ... on! csmith's still doing Harlequin stuff, there's the ZXCF ...
    Winston Winston February 2008 Chit chat
  • UK Spectrum Groupsare there any UK Spectrum groups around ?

    Most of World of Spectrum :-)

    We did actually have a meet in October last year, in Oxford, too.
    The pub we were in were worried that Chris Smith's Harlequin (a Speccy clone on prototyping breadboard) was a bomb :-)
    Winston Winston March 2008 Sinclair Miscellaneous
  • DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…

    ... clones don't have memory contention, so the programmers weren't ...
    gasman gasman March 2008 Hardware
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Latest Posts

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    AndyC on 6:29PM
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  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

HitBox

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