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 0.003s
<1…18192021222324…34>
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    Each 3rd of the screen provides 2Kb of memory (and an additional 256 bytes if you include the attributes area).

    Nice one Icabod, it never occurred to me though of the fact that the lower RAM isn't contended during the border trace!
    BloodBaz BloodBaz May 2007 Development
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... you complete your code in contended RAM (which screen$ memory is ... as well. In other words, contended memory is slow only when ... apply to +2A,+3, where contended memory is slow during the ...
    omega omega May 2007 Development
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... as well. In other words, contended memory is slow only when ... apply to +2A,+3, where contended memory is slow during the ...
    Woody Woody May 2007 Development
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... apply to +2A,+3, where contended memory is slow during the ...
    BloodBaz BloodBaz May 2007 Development
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    The +2A/+3 would just have the edge over the rubber key machines running in contended RAM.
    Woody Woody May 2007 Development
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... +3 is slower/faster in contended memory than ZX 128k or ... make simple speed comparison of contended memory? Let's say how ...
    omega omega May 2007 Development
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... less contention points, it is contended during [B]complete frame[/B ...
    omega omega May 2007 Development
  • Reconditioned Sam Coup?, two drives + more...I've popped up a reconditioned Sam Coup&#233; on eBay as a Buy-It-Now listing. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=11012902618…

    ... the Sam's memory is contended (as the memory has to ...
    Quazar Quazar May 2007 Sales
  • Growing up... Jasmin supports 128/+2 nowHi, all. New version of Jasmin is available (v0.11). It supports ZX Spectrum 128 and ZX Spectrum +2 models. Try it [URL="http://www.dustedpixels.co…

    ... place when reading/writing to contended area of the memory - it ... place when writing to non-contended memory areas.

    I ...
    micapolos micapolos May 2007 Emulators
  • Growing up... Jasmin supports 128/+2 nowHi, all. New version of Jasmin is available (v0.11). It supports ZX Spectrum 128 and ZX Spectrum +2 models. Try it [URL="http://www.dustedpixels.co…

    ... you get contention only for contended memory, and why you can ...
    Philip Kendall Philip Kendall May 2007 Emulators
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... each model only gets one contended memory fetch during each eight ... cycle contended sequence.

    As ... . So, when running in contended memory, the 48K/128K ULAs ... still see a contended memory address sitting on ...
    Woody Woody May 2007 Development
  • Why the name "8-bit computer"?The Spectrum was called an 8-bit computer, but what does that mean? For modern hardware and operating systems (32 or 64-bit) it seems to be the poss…

    ... the system layout (busses, RAM, IO, etc) is based on 8 ...
    Laser Laser May 2007 Development
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... interrupt to the start of contended memory), so anything less than ...
    Philip Kendall Philip Kendall May 2007 Development
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... anything (like the stack) in contended ram. D'oh!

    icabod icabod May 2007 Development
  • Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…

    ... be perfectly in sync for contended memory (since the ULA will ...
    Winston Winston May 2007 Hardware
  • Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…

    ... be perfectly in sync for contended memory (since the ULA will ...
    Avian Avian May 2007 Hardware
  • Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…

    ... emulation of memory (and possibly IO) contention is required. Without it ...
    micapolos micapolos May 2007 Emulators
  • Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…

    ... emulation of memory (and possibly IO) contention is required. Without it ...
    rich_chandler rich_chandler May 2007 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…

    ... , I'll probably leave precise contended memory emulation as optional for ...
    Metalbrain Metalbrain June 2007 Emulators
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
    [url]http ...
    frobush frobush June 2007 Games
  • "Add Watch" Debug for EmulatorsHi, I am working on completing a JSW-style game that I started in 1991. Although programming using TASM and Spectaculator is far easier than on th…

    ... bothered about the emulation of contended memory. Nice one mate.
    BloodBaz BloodBaz June 2007 Emulators
  • Another TS Emu CartLooks like the one I have. [url]http://cgi.ebay.com/TC2068-Cartdrige-48K-emulator-for-Timex-Computer-2068_W0QQitemZ250133271074QQihZ015QQcategoryZ124…

    [QUOTE=Alcoholics Anonymous;197828]TC cartridge, not TS :-)[/QUOTE]

    I think those cartridges are all TC (Portugal) with TC2048 ROM. TS don't have manufactored them....
    Gods Gods June 2007 Sales
  • Another TS Emu CartLooks like the one I have. [url]http://cgi.ebay.com/TC2068-Cartdrige-48K-emulator-for-Timex-Computer-2068_W0QQitemZ250133271074QQihZ015QQcategoryZ124…

    ... are all TC (Portugal) with TC2048 ROM. TS don't have ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Sales
  • UlaI remplaced an ULA 6c001-6 by an ULA 6c001-7 chip on issue 3B board. It is "crucial" to remove R32 and adding the 2x NAND gates ??? or not ? Thanks.

    ... ]

    Very interressed on TC2048... Let me know when the ...
    Gods Gods June 2007 Hardware
  • Yesteryear's Computers.Ahhhh ... [URL="http://www.computerworld.com/action/article.do?command=printArticleBasic&articleId=9023960"]back in the day[/URL] when a 300mb system…

    ... .
    I blew up the IO-interface while building a transfer ...
    Dr BEEP Dr BEEP June 2007 Chit chat
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
    [url]http ...
    bcass bcass July 2007 Games
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
    [url]http ...
    Fikee Fikee July 2007 Games
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
    [url]http ...
    zxspecticle zxspecticle July 2007 Games
  • New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…

    ... .e. 3.5hz but no contended memory)
    [/QUOTE]
    Yes ...
    Sonic Sonic July 2007 Hardware
  • Machine CodeHi all, I want to get a machine code/assembler/dissasembler program from the WOS archives. But what in your opinion would be the best to get? I don`t…

    ... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
    [url]http ...
    frobush frobush July 2007 Sinclair Miscellaneous
<1…18192021222324…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