World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.002s
<1…17181920212223…34>
  • 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…

    ... -82;224891]But how is contended memory refreshed? By constantly reading ...
    Alcoholics Anonymous Alcoholics Anonymous November 2007 Development
  • 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…

    ... the instruction fetch. T1 is contended if the instruction fetch is ...
    csmith csmith November 2007 Development
  • 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…

    ... bus....skipped (b=0x01)
    contended memory...failed (0x01)
    High ... bus....skipped (b=0x01)
    contended memory...passed
    High port ...
    Jose_Leandro Jose_Leandro November 2007 Hardware
  • How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…

    ... memory mapped region for the IO, which among other things allows ...
    Patrik Rak Patrik Rak November 2007 Development
  • Changing the colour of the loading 'stripes'I was wondering if it were possible to alter the default colours of the standard ROM loading 'stripes' via BASIC, mabye a POKE command of some descri…

    Contended memory.
    Philip Kendall Philip Kendall November 2007 Sinclair Basic
  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…

    ... />
    It sounds like the IO decoding for page ins is ... sounds like there's no IO decoding going on at all ...
    Winston Winston November 2007 Hardware
  • 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…

    ... spectrum's ram is only contended while the display is drawn ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Sinclair Basic
  • Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…

    ... of the screen is in contended RAM and appears fine. When ...
    Phu Phu December 2007 Hardware
  • Changing the colour of the loading 'stripes'I was wondering if it were possible to alter the default colours of the standard ROM loading 'stripes' via BASIC, mabye a POKE command of some descri…

    ... /saving code cannot run from contended memory at 23762; the main ...
    Woody Woody December 2007 Sinclair Basic
  • another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)

    ... ]Armalyte, Enforcer[/b] and [b]Io[/b] on the C64 to ...
    TMR TMR December 2007 Games
  • Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…

    ... ZXCF support.
    [*]Much improved contended memory and floating bus emulation ...
    zub zub January 2008 Emulators
  • sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …

    ... ULA from responding to odd IO port numbers (by switching +5V ...
    Phu Phu February 2008 Hardware
  • The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…

    ... speed emulation, tape sound, and contended mode while the game is ...
    Metalbrain Metalbrain February 2008 Emulators
  • The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…

    ... speed emulation, tape sound, and contended mode while the game is ... thing has happened with the contended port emulation, the autoloading and ...
    Philip Kendall Philip Kendall February 2008 Emulators
  • The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…

    ... thing has happened with the contended port emulation, the autoloading and ... the cpu code, such as contended port emulation, but I didn ...
    Metalbrain Metalbrain February 2008 Emulators
  • The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…

    ... thing has happened with the contended port emulation, the autoloading and ...
    Seleuco Seleuco February 2008 Emulators
  • Games with completely unsuitable speech samplesOK, so there may not be many on the Speccy, but I put far too much time than it deserved into a N64 game called Chopper Attack (fnar!) also known in …

    ... /> And I'm sure the IO Towers in the second stage ...
    robert@fm robert@fm February 2008 Games
  • help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…

    ... the 16k-32k area is contended which means the z80 has ...
    Alcoholics Anonymous Alcoholics Anonymous February 2008 Development
  • help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…

    ... the 16k-32k area is contended which means the z80 has ...
    bigjon bigjon February 2008 Development
  • help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…

    ... want to check out the contended memory section of the [URL ...
    Woody Woody February 2008 Development
  • 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…

    ... an interrupt vector table in contended memory, which has unpredictable results ...
    gasman gasman March 2008 Hardware
  • Emulator accuracy test?When I first created my emulator it worked fine. But then I found one or two games that had odd quirks. Eventually I found the flag or command that w…

    ... to check the accuracy of contended memory and port emulation.
    Metalbrain Metalbrain March 2008 Emulators
  • Another fusetest runWould anyone with a real machine be prepared to try the latest version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.zip]fusetest[/url], my…

    ... /> LDIR... passed
    Contended IN... passed
    Floating bus ... ... passed
    Contended memory... passed
    High ... /> LDIR... passed
    Contended IN... passed
    Floating ... skipped (B=0x01)
    Contended memory... passed
    High ...
    Mr. Anonymous Mr. Anonymous March 2008 Hardware
  • Another fusetest runWould anyone with a real machine be prepared to try the latest version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.zip]fusetest[/url], my…

    ...
    LDIR... failed (0xfe)
    Contended IN... failed (0x02)
    Floating ... bug... failed (0x00)
    Contended memory... passed
    High port ...
    Fred Fred March 2008 Hardware
  • Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…

    ... timings will be relating to contended memory/port access, which is ...
    icabod icabod April 2008 Sinclair Basic
  • Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…

    ... Spectrum, unless your code accesses contended memory or ports (or the ... code itself is located in contended memory) in which case you ...
    gasman gasman April 2008 Sinclair Basic
  • Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…

    ... handle the speaker and tape IO.. got that breadboarded, but not ...
    csmith csmith April 2008 Hardware
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... will slow-down by ULA (contended ports).

    For multisector ...
    velesoft velesoft April 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... will slow-down by ULA (contended ports).[/QUOTE]

    Good ...
    glancaster glancaster April 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... values as high byte of contended memory adress.
    #00-3E ... I set to this slow(contended) memory.(BLACK RAVEN, IMPERIA 3 ... register I is set to contended memory and modify value to ...
    velesoft velesoft April 2008 Development
<1…17181920212223…34>

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
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    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

HitBox

Word Docs Hits
contended 1.2K 2K
io 895 1.3K

Related Threads

  • IF1 and IO portsThe Interface used 3 Z80 IO ports to communicate to it s devices<br /> #E7- Microdrive data<br /> #EF- Status and control<br /> #F7- RS232/Network…
  • Sound and IO expansion not in hardware pageI saw this on ebay:<br /> [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&amp;item=2045474851"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&…
  • Games that crash because of contended memory.I find these are really annoying.<br /> <br /> You load up a game like Astro Marine Corps, Fantasy World Dizzy, Dizzy: Prince Of The Yolkfolk and so …
  • R Register, Contended RAM and ClonesHi.<br /> I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - …
  • IO Error on erzxternal hard driveI have an external hard drive that I plug in to my PC's via a powered USB 2.0 port.<br /> <br /> It has been working fine for about 18 months or so. …
  • Z88DK - file IO on a plus 3So I have this very simple program, and it doesn't want to open a file for writing:<br /> <br /> [code]<br /> #include <br /> #include <br /> <br /> …
  • 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…
  • contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …
  • IO controller on EbayHas anybody seen this on Ebay: [url]http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-IO-Controller-Kit-Instructions-/230653395193?pt=UK_VintageComputin…
  • Quick question regarding contended memoryIf I've read the documentation correctly, the following applies:<br /> <br /> 128k/+3<br /> "Memory banks 1,3,5 and 7 are contended"<br /> <br /> +2A…

Related Searches

  • led storm contended
  • crash contended
  • contended author einar
  • contended einar
  • io port
  • contended memory
  • halt in contended memory
  • halt contended
  • contended memory zxds
  • contended
  • contended speed
  • io
  • zx evo contended
  • contended instructions
  • tc2048 contended
  • skate crazy contended
  • contended port
  • io boards
  • zx 3 contended
  • contended io

Copyright © 2024 World of Spectrum