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  • Your www.speedtest.net resultsI find my result as error, because I have subscribed 20Mbits. [URL=http://www.speedtest.net][IMG]http://www.speedtest.net/result/452294468.png[/IMG]…

    ... an attempt to beat the contention....and it worked.

    Vampyre Vampyre April 2009 Chit chat
  • Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…

    ... Claudio, we've confirmed the contention pattern on his machine as ...
    Philip Kendall Philip Kendall April 2009 Hardware
  • Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…

    OK, so without contention you can copy maybe 15 ...
    joefish joefish May 2009 Development
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... ; remember to allow for memory contention and, if in doubt, use ...
    Matt_B Matt_B May 2009 New game ideas
  • Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …

    ... you yourself) can create - all contention issues aside. And a compiler ...
    Dunny Dunny May 2009 Development
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... the Russian machines' lack of contention) - they don't get full ...
    gasman gasman May 2009 New game ideas
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... a little less video memory contention than previous 128K machines, so ...
    joefish joefish May 2009 New game ideas
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... a little less video memory contention than previous 128K machines, so ... are you claiming have less contention on the +2A/+3 than ... , there will actually be more contention on the +2A/+3 for ...
    Philip Kendall Philip Kendall May 2009 New game ideas
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... +2A/+3 actually has more contention than the 128K/+2, but ... cleverer and doesn't apply contention when MREQ isn't active ... have at least as much contention as the 128K/+2, if ...
    Philip Kendall Philip Kendall May 2009 New game ideas
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... in that it applies less contention than the 48K or 128K ...
    joefish joefish May 2009 New game ideas
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... 128K ULAs will apply extra contention under the right conditions within ... +3 applies slightly more contention when contention is applied but has less ... points of contention within a number of opcodes ...
    Bob Stains Bob Stains May 2009 New game ideas
  • Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …

    ... wasn't talking about memory contention. Interpreted code is always much ... .

    [QUOTE]
    - all contention issues aside. And a compiler ...
    boriel boriel May 2009 Development
  • Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …

    ... wasn't talking about memory contention. Interpreted code is always much ...
    Dunny Dunny May 2009 Development
  • Vectron borders on emulators, on a real spectrum ?Hi all, favor if anyone has time can someone load vectron on a real spectrum and when it finally loads on that screen the bottom right corner .. wher…

    ... it would directly effect the contention delays

    is there ...
    Richard_Butler Richard_Butler May 2009 Emulators
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... these effects is how the contention actually makes them sychronise themselves ...
    joefish joefish May 2009 New game ideas
  • Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…

    ... small fraction less without the contention. But I might still need ...
    joefish joefish May 2009 New game ideas
  • Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.

    ... />
    Also passes your IR contention in 48k mode.

    Dunny Dunny May 2009 Emulators
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... is so delayed by the contention that it drifts further and ...
    joefish joefish May 2009 Development
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... is so delayed by the contention that it drifts further and ...
    Dr BEEP Dr BEEP May 2009 Development
  • Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.

    ... (0x02)
    High port contention 1... passed
    High port ... ... passed
    High port contention 1... passed
    High ... failed (0xff)
    High port contention 1... failed (0xfe)
    ... High port contention 2... failed (0xfe)
    ...
    rich_chandler rich_chandler June 2009 Emulators
  • The end of analogue radioWell, it seems that analogue radio will be more or less obsolete by 2015, the BBC has decided to cross over to digital transmission in 6 years. All …

    ... />
    When everybody in your contention block is watching at the ...
    dekh dekh June 2009 Chit chat
  • The end of analogue radioWell, it seems that analogue radio will be more or less obsolete by 2015, the BBC has decided to cross over to digital transmission in 6 years. All …

    ... />
    When everybody in your contention block is watching at the ...
    Winston Winston June 2009 Chit chat
  • 50p on your phone billThe UK government [I]really[/I] know how to put the 'S' into Stealth Tax: [URL="http://news.bbc.co.uk/1/hi/technology/8102756.stm"]http://news.bbc.c…

    ... great. Seemed to have no contention though it is/was rated ...
    dekh dekh June 2009 Chit chat
  • Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.

    ... final ones, including "High port contention 2". I need to keep ...
    Metalbrain Metalbrain June 2009 Emulators
  • Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.

    ... .

    [quote]"High port contention 2". I need to keep ...
    Philip Kendall Philip Kendall June 2009 Emulators
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... 2 due to the memory contention issue).[/QUOTE]

    No ...
    glancaster glancaster July 2009 Development
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    ... each line, allowing for some contention. The Pentagon version takes exactly ... T-states per line, without contention.

    I'm not ...
    joefish joefish August 2009 Development
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    ... 't ZXSpin 0.666 have contention accidently disabled? (I think that ...
    Metalbrain Metalbrain August 2009 Development
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    Ah, good point. If memory contention is disabled, it'll do ...
    joefish joefish August 2009 Development
  • The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…

    ... mode, with the contention turned on. With the contention turned off, the ...
    joefish joefish August 2009 Development
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