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…13141516171819…34>
  • 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
  • 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
  • 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
  • +2 power supply on standard SpecciesHi! I have a few 48K speccies, and I run them using a shitty chinese multi-voltage power supply. I've heard some horror stories of that power suppli…

    ... resistor). So, given that V=IR (voltage = current * resistance), if you ... with load. Again, since V=IR, if you have a 1 ... ohm load in, since V=IR, you'll have that same ...
    Winston Winston January 2008 Hardware
  • 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
  • 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
  • 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…

    ... , flag, memory location (and maybe contention and timing too, if possible ...
    ewgf ewgf March 2008 Emulators
  • 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…

    ... , flag, memory location (and maybe contention and timing too, if possible ...
    Robocop48k Robocop48k March 2008 Emulators
  • Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS) -------------------- In the +3, we have crammed in more than twice the amount of memory…

    ... any configuration which reflects the contention of the "normal" RAM paging ...
    mjwilson mjwilson March 2008 Development
  • First multiload gameWhile writing the review of A View to a Kill for the Speccy review book, I commented that it was one of the first multi-load games for the Speccy. D…

    ... .

    Damn you memory contention delays! Damn you all to ...
    SnakeOilSteve SnakeOilSteve March 2008 Games
  • First multiload gameWhile writing the review of A View to a Kill for the Speccy review book, I commented that it was one of the first multi-load games for the Speccy. D…

    ... .

    Damn you memory contention delays! Damn you all to ...
    Quazar Quazar March 2008 Games
  • 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…

    ... br /> Machine type: 128K
    Contention offset: 0x09

    ... ... passed
    High port contention 1... passed
    High ... /> Machine type: +3
    Contention offset: 0x08

    ... ... passed
    High port contention 1... 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…

    ... br /> Machine type: 48K
    Contention offset: 0x01

    ... memory... passed
    High port contention 1... failed (0xff)
    ... High port contention 2... skipped (B=0x01)

    and for interest contention.tap:
    [CODE]
    ...
    Fred Fred 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…

    ... +2

    [ ... ]

    Contention offset: 0x09

    [ ... ]
    contention offset of 0x08 ("early timings ...
    Philip Kendall Philip Kendall 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…

    ... .

    I ran the contention tests on the +2/MB02 ...
    icabod icabod April 2008 Hardware
  • Happy Birthday Beanz!May your bowl of custard / drink of beer never empty!

    ... ="DarkOrange"]Y B[COLOR="SandyBrown"]IR[COLOR="Wheat"]TH[COLOR="SandyBrown ...
    Scottie_uk Scottie_uk May 2008 Chit chat
  • I can't find my TV remote control. Does anyone know where it might be?I've looked down the back of the sofa, under the sofa, and all of the usual places, but I just can't find it. I'm stuck on channel 5 at the moment, …

    ... TV doesn't have a ir reader, and i have nothing ...
    mile mile May 2008 Chit chat
  • Multiplayer online Speccy gaming - an actual technical proposalAs is so often the way, [url=http://www.worldofspectrum.org/forums/showpost.php?p=274215&postcount=121]trying to put into words why something is impo…

    ... will have to have matching contention implementations, interrupt re-triggering and ...
    Jon Needle Jon Needle May 2008 Emulators
  • 48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…

    ... .

    13) The RAM contention models are different between the ...
    Jimmy Jimmy June 2008 Games
  • ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p

    ... there in Z80 flags and contention
    - Makes [URL="http://www ...
    Woody Woody June 2008 Emulators
  • AudiophoolsGood grief, there must be some really gullible audiophiles about if Denon is selling this: [url]http://www.usa.denon.com/ProductDetails/3429.asp[/ur…

    ... read/written using an an IR laser; why should green absorb ... IR more effectively than any other ...
    robert@fm robert@fm June 2008 Chit chat
  • RZX Player interface - Possible?If I have a Mass Storage interface and some media (CF, SD) with a couple RZX files, what would I need to play them on a real Spectrum? If the RZX fil…

    ... not perfectly emulate instruction timings (contention being the obvious culprit here ...
    Philip Kendall Philip Kendall June 2008 Hardware
  • RZX Player interface - Possible?If I have a Mass Storage interface and some media (CF, SD) with a couple RZX files, what would I need to play them on a real Spectrum? If the RZX fil…

    ... the right instruction timings, including contention, for every opcode played back ...
    Philip Kendall Philip Kendall June 2008 Hardware
  • Accelerated spectrum?Hihi Has anyone managed to replace the Z80 in a spectrum with a Z80B? Just wondering if it'd be possible to have a couple of crystals switchable to…

    ... to the Z80 to control contention.

    You can use ...
    Winston Winston July 2008 Hardware
  • RZX reference samplesJust wondering, is it ok that neither Spin nor Spectaculator can replay the RZX reference samples provided on the [URL="http://www.ramsoft.bbk.org/rz…

    ... might have no or broken contention emulation, so I can't ...
    Patrik Rak Patrik Rak July 2008 Emulators
  • InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…

    ... Spectrum specific. What's more, contention on the CPC is also ...
    AndyC AndyC July 2008 Emulators
  • InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…

    ... Spectrum specific. What's more, contention on the CPC is also ...
    MadDoc MadDoc July 2008 Emulators
  • Quick kweschonz for those who know London.What is the nearest train station to the O2 area? Also the quickest route to get to a main station, so sum friends of mine can get back home safel…

    ... Znorky thinks there's any contention or discord in the ranks ...
    Graz Graz July 2008 Chit chat
<1…13141516171819…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
ir 234 292
contention 1.4K 2.4K

Related Threads

  • Z80 cycle contentionHi,<br /> Does anybody knows exactly when the ula halts the Z80 clock during a memory r/w cycle?<br /> I mean which Z80 clock cycle, T1 or T2?<br /> …
  • 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…
  • I/O contention model questionHi everyone,<br /> <br /> Sorry for my poor english. Together with a friend we are working on ZX<br /> Spectrum 48k implemented in FPGA. We have foun…
  • Contention and floating bus timingHello,<br /> <br /> I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit.…
  • Contention detectionJust a thought, based on discussion elsewhere...<br /> Is there any way of telling if reads/writes are being contended around the time that they happ…
  • Contention: LDI vs LD (ss), rAccording c.s.s. FAQ:<br /> <br /> instruction LD (ss),r breakdowns as pc:4,[b]ss:3[/b]<br /> and LDI as pc:4,pc+1:4,hl:3,[b]de:3,de:1 x 2[/b]<br /> …
  • 128K Contention - How to get it right?With my recent hardware hackery, I've built a 128K (toastrack) clone. I can't quite get the contention right though.<br /> <br /> What I'm lack is a …
  • 128K Contention - How to get it right?
  • BIT b,(ii+n) contentionThe documentation says that BIT b,(ii+n) has this contention pattern:<br /> <br /> pc+1:4,pc+2:3,pc+3:3,pc+3:1 x 2,ii+n:3,ii+n:1<br /> <br /> See [ur…

Related Searches

  • harlequin contention
  • contention
  • memory contention
  • detect contention
  • tc2048 contention
  • tc2048 contention tests
  • divide contention
  • contention bank
  • 128k contention
  • 128 contention
  • ir contention test
  • 48k contention suite
  • 48k contention test suite
  • ldi contention
  • contention test
  • contention table
  • io contention
  • i o contention
  • rr 24 states contention
  • test ir contention

Copyright © 2024 World of Spectrum