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 0.024s
<1234567…34>
  • RZX for Sabre WulfI was just about to send an RZX for Sabre Wulf to the RZX Archive when I noticed they don't accept Ultimate's (and other companies' who haven't given…

    ... got the whole issue of contended IO timings to deal with, which ... less researched and emulated than contended memory timings.
    Philip Kendall Philip Kendall October 2004 Games
  • Contention and floating bus timingHello, 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. It is the d…

    ... 8 are contended, but for the IO part of an IO instruction, the ... -states [I]before[/I] the contended memory T-states. See [url ... byte fetch when doing a contended IO read of the floating bus ... (because that T-state is contended by the memory contention!!)
    csmith csmith September 2007 Emulators
  • Contention and floating bus timingHello, 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. It is the d…

    ... 8 are contended, but for the IO part of an IO instruction, the ... byte fetch when doing a contended IO read of the floating bus ... will have to look at contended IO myself, I was focusing mostly ...
    Patrik Rak Patrik Rak September 2007 Emulators
  • Contention and floating bus timingHello, 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. It is the d…

    ... state and hence will be contended, so clearly the FAQ is ... that. So at least 3 contended T-states must pass before ... being fetched during contended IO.

    Thus the IO contention I describe ... will have to look at contended IO myself, I was focusing mostly ...
    csmith csmith September 2007 Emulators
  • Contention and floating bus timingHello, 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. It is the d…

    It's the new contended memory test I wrote this afternoon that I'm interested in here (although the contended IO one may be interesting as well) :-)
    Philip Kendall Philip Kendall September 2007 Emulators
  • IF1 and IO portsThe Interface used 3 Z80 IO ports to communicate to it s devices #E7- Microdrive data #EF- Status and control #F7- RS232/Network What I'm looking…

    The Interface used 3 Z80 IO ports to communicate to it ...
    john john March 2001 Sinclair Miscellaneous
  • Games that crash because of contended memory.I find these are really annoying. You load up a game like Astro Marine Corps, Fantasy World Dizzy, Dizzy: Prince Of The Yolkfolk and so on (the init…

    ... the +2A/+3 having different contended banks...

    Anyway, I ...
    Jmk Jmk February 2006 Games
  • R Register, Contended RAM and ClonesHi. 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 - there …

    ... . What is the effect of contended RAM on the R-register ... not run any code in contended RAM, but I do make ... thing, but then without the contended RAM the HALT would take ...
    icabod icabod July 2006 Development
  • Tc2048In case any one is interested, I saw this on eBay [url]http://cgi.ebay.com/Timex-Computer-2048-TC2048-made-in-portugal-RARE_W0QQitemZ250124510994QQi…

    In case any one is interested, I saw this on eBay

    [url]http://cgi.ebay.com/Timex-Computer-2048-TC2048-made-in-portugal-RARE_W0QQitemZ250124510994QQihZ015QQcategoryZ1247QQssPageNameZWDVWQQrdZ1QQcmdZViewItem[/url]
    jboatno4 jboatno4 June 2007 Sales
  • Harlequin ZX Spectrum Clone now 100% compatible!Hi all! The Harlequin ZX Spectrum clone now shows full timing compatibility with the ZX Spectrum! 8-) Both the ULA IO and memory contentions are fa…

    ... ULA IO and memory contentions are faithfully reproduced,
    along with contended ...
    csmith csmith July 2007 Hardware
  • 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. It has been working fine for about 18 months or so. However lata…

    ... of it I get an IO error.

    However, when ...
    Scottie_uk Scottie_uk February 2008 Chit chat
  • Z88DK - file IO on a plus 3So I have this very simple program, and it doesn't want to open a file for writing: [code] #include <stdio.h> #include <stdlib.h> void main() { FI…

    ... /> printf("\x1B[2JTest of file IO\n");
    stream=fopen("foo ...
    Winston Winston May 2008 Development
  • 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…

    ... describes the detailed timings of contended RAM. It gives timings ... residing in, or reading/writing, contended RAM.

    ... LDIR instruction in non-contended memory, and the source ... and destination (DE) addresses in contended memory.

    Machine ...
    ajmoss ajmoss June 2010 Development
  • 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…

    ... .uk/itm/Sinclair-ZX-Spectrum-IO-Controller-Kit-Instructions-/230653395193?pt ...
    Neil L Neil L August 2011 Hardware
  • Quick question regarding contended memoryIf I've read the documentation correctly, the following applies: 128k/+3 "Memory banks 1,3,5 and 7 are contended" +2A/B/+3 "RAM banks 4, 5, 6 and 7…

    ... ,3,5 and 7 are contended"

    +2A/B/+3 ... , 5, 6 and 7 are contended."

    That means, that ...
    Sdw Sdw May 2012 Development
  • TC2048 Power SupplyDoes anyone know what power supply specs TC2048 need? I found them once, but I can't seem to locate them any more. My TC2048 is outputting a lovely r…

    ... know what power supply specs TC2048 need? I found them once ... locate them any more. My TC2048 is outputting a lovely rainbow ...
    Pstrinic Pstrinic November 2012 Hardware
  • +2 grey Contended RAMhi all, i have some quenstions about, contended RAM are banks 1,3,5,7 banks are the pairs of IC's (4164), so 1 pairs = 16k X 4 pairs = 64k this 64…

    ... some quenstions about,

    contended RAM are banks 1,3 ... logic

    now psysical, contended RAM are the IC's ...
    xaris_sm xaris_sm March 2013 Hardware
  • Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…

    ... be an issue with the contended memory not working as it ... [/url]

    I implemented contended memory simplistically but I'm ... check if the access is contended and if so I slap ... an index.

    My contended table is correct.
    My ...
    Korinel Korinel June 2013 Emulators
  • Interesting 48K failureI thought I'd recount a failure I've not seen mentioned before that I saw tonight while fixing a 48K issue 6 board. The background: The initial fail…

    ... I/O ports would get contended) forming part of a very ... activating and causing some random IO function to be activated (hence ... perfectly (well, now with incorrect IO contention due to the absence ... ULA to sometimes see spurious IO requests, causing the odd ...
    Winston Winston December 2013 Hardware
  • Timex Compute TC2048 loading problems solvedHi everybody, I've just finally fixed a TC2048 that had numerous problems. Once I'd changed all the RAM, the CPU and the ULA (surface mounted, for a…

    ... 've just finally fixed a TC2048 that had numerous problems. Once ...
    Spirantho Spirantho January 2014 Hardware
  • Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…

    ... findings. I've been investigating contended memory timings on the Timex ... whether the CPU is accessing contended video memory or "uncontended" ROM ... might as well call this "contended ROM".

    This solves ...
    rga24 rga24 May 2014 Hardware
  • IO Ports (Spectrum)Hi all, Working on a new Spectrum interface card I have the prototype powered up and basically working.......but I want to play with the IO addressi…

    ... want to play with the IO addressing such that I choose ... likely to conflict with other IO devices.

    I know ... rest...........but is there an IO map around that lists a ... common hardware vendors and the IO ports they use so I ...
    IanJ IanJ August 2014 Hardware
  • ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…

    ... [/url] -- raster and ULA contended memory emulation for original 48k ... rasters.

    2. Contended memory works only if you ... : for some help with raster/contended memory

    Mike ... your very valuable insight into contended memory topic and useful ...
    lvd lvd January 2015 Hardware
  • Contended memory and TritoneQuick question regarding contended memory...<div style="font-style: normal;"><br></div><div style="font-style: normal;">I'm testing ideas with Triton…

    Quick question regarding contended memory...
    I'm testing ... address and the data in contended memory, and it doesn't ...
    reidrac reidrac June 2015 Development
  • Don´t miss anything with visualping.io - Website-MonitoringThis Service will send you an notification email when a website or Forum has changed. So you don´t have to visit every day to have a look for it. Not…

    ... find VISUALPING Service: https://visualping.io/
    Luzie Luzie February 2017 Chit chat
  • ZX Spectrum BASIC game jam over on itch.ioHello, everyone. Apologies for the prolonged absence. (It's been almost 4 years, yikes!) Just wanted to let everyone know there's a [url="https://itc…

    ... 's a [url="https://itch.io/jam/zx-spectrum-basic-jam ... jam[/url] starting on itch.io on June 1st -- in less ...
    Felix Felix May 2017 Announcements
  • Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…

    ... or analogue?
    Can the TC2048 be hacked to route the ... making it work like the TC2048?

    The expansion bus ...
    Renegade Renegade September 2017 Hardware
  • Help with a TIMEX TC2048 and memory problemBought a 2nd hand Timex TC2048 but unfortunately I detected a problem with the machine which is preventing it from working properly. I believe it …

    Bought a 2nd hand Timex TC2048 but unfortunately I detected a ...
    Renegade Renegade December 2017 Hardware
<1234567…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
tc2048 460 668
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 - …
  • Tc2048In case any one is interested, I saw this on eBay<br /> <br /> [url]http://cgi.ebay.com/Timex-Computer-2048-TC2048-made-in-portugal-RARE_W0QQitemZ250…
  • 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 /> …
  • Disconnecting speaker in TC2048Hello,<br /> Does anyone know how speaker in Timex is connected to motherboard? Can it be just unplugged? I would like to disable it somehow (and pas…
  • 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 …

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
  • tc2048 timings
  • tc2048 emulation
  • tc2048 delays
  • tc2048 contended
  • contended io

Copyright © 2024 World of Spectrum