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  • Z80 internal compressionThis isn't exactly a ZX Spectrum problem, but since WOS probably has some of the best Z80 coders in the world, I thought I might ask anyway. For my …

    ... row to backup buffer and increase target pointer to point to ... better compression under these circumstances? Speed is not an issue btw ...
    utz utz May 2013 Development
  • Covertape speedloaderThere was a covertape (possibly YS) that had a speed loader / saver routine included on it. It stood out to me as I recall it had a counter on it, co…

    ... (possibly YS) that had a speed loader / saver routine included on ... usual ones with just a speed increase.

    Anyone remember what ...
    spider spider May 2013 Sinclair Miscellaneous
  • New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…

    ... new examples of this CPU type and the problem ... />
    With the new CPU and Spectranet connected, the Spectrum ... timings of some of the CPU's operations, making it ... the detection of the CPU's ROM access and ... enough. Maybe the new CPU type latches the value on ...
    Zorn Zorn June 2013 Hardware
  • ZX Striker - New football gameYes, i?ve done it again! This game comes with a thanks to Cult games for their Striker game, which was responsable for many hours of joy for me and f…

    ... ,
    -keep space pressed to increase shot height, the power of ... always the same.
    -The speed of the rotating compass is ...
    Valz Valz June 2013 Brand new software
  • Converting PAL +2b to NTSC[B]Hello my fellow WoS'ers[/B] I have a strange request for your knowledge and advice. A chap in the US would like to use a Spectrum +2B, however w…

    ... the spectrum about a 20% speed increase - thus making most software unplayable ...
    Zetr0 Zetr0 July 2013 Hardware
  • RF Modulator, not Astec UM1233While repairing a +2A board (D4 burnt out, so the WAIT signal from the gate array didn't reach the CPU and hence, the CPU was running full speed even…

    ... reach the CPU and hence, the CPU was running full speed even while ...
    mcleod_ideafix mcleod_ideafix September 2013 Hardware
  • SpecBAS 0.802 Released!Hi folks - It's that time again when I release the latest round of features and bugfixes to SpecBAS :) New for this version are ZONEs which act ver…

    ... mostly been about more speed and better string handling. ... which has gained a significant speed increase
    Numeric array ... of day-to-day speed increases, but the twister ... circles and ellipses - huge speed increase!
    Slight optimisations to ...
    Dunny Dunny February 2014 Sinclair Basic
  • From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…

    ... ...

    Another methor for speed up?

    I try ...
    Hark0 Hark0 March 2014 Sinclair Basic
  • New game (Conversion): Speed BallComing from the Spanish Coin op compo, another game, called Speed Ball was released last week by Kabuto Factory. It is a conversion of the original c…

    ... op compo, another game, called Speed Ball was released last week ... original coin op from TECFRI, Speed Ball, a pinball game.
    Ivanzx Ivanzx March 2014 Brand new software
  • Speed-Running games.Been watching the [url="http://www.twitch.tv/speeddemosarchivesda"]"Summer Games Done Quick"[/url] live feed this year, and having watched someone do…

    ... , I got thinking I could speed-run a few Spectrum games ... game that would aid a speed-run.

    Also, I ...
    The Lone Magpie The Lone Magpie June 2014 Games
  • Can`t reset speed in spectaculatorLike an idiot and for no reason i started messing with the speed control x2 x3 etc only now it seems to be stuck and wont go back to normal the keybo…

    Like an idiot and for no reason i started messing with the speed control x2 x3 etc only now it seems to be stuck and wont go back to normal the keyboard shortcut cntrl +_ wont work either it seems to be stuck at around x2.:x
    zedexspectrum zedexspectrum July 2014 Emulators
  • Penalty points or speed awareness course?I got pulled over for speeding (38mph) about a minute from my home. I admit I was speeding and it's against the law etc etc but I wasn't driving dang…

    ... a fine or attending a speed awareness course (which I'll ...
    Rebelstar without a cause Rebelstar without a cause September 2014 Chit chat
  • My attempt to restore the CPU clock signalI know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results. I'm not taking…

    ... Breakout.

    Having a CPU in-phase clock signal is ... the internal ULA and the CPU, without relying on the Y ... . The output is the restored CPU signal clock, with the same ... phase as seen by the CPU itsef, i.e, it's ...
    mcleod_ideafix mcleod_ideafix September 2014 Hardware
  • Screen buffer Tip from Raff CeccoRaff very kindly gave me this tip: "Incidentally, I remembered a trick I used on the Z80 for extra speed: When clearing the screen buffer, it was a…

    ... on the Z80 for extra speed:

    When clearing the ... quicker to temporarily move the CPU stack to the end of ...
    alienbanana alienbanana October 2014 Development
  • Tinkering with DMASo, some afternoon tinkering... [img]http://photo.alioth.net/tmp/dma_small.jpg[/img] The purpose of this all is to see what's possible using the Xi…

    ... to RAM, instead of the CPU requesting bytes via IN instructions ... mind. The obvious thing is speed. Using the same memory timings ...
    Winston Winston November 2014 Hardware
  • XPECCY (Lin/Win)im not author of this emulator. Contacts of author you may take on [URL]http://xpeccy.info[/URL] - non official home page. cpu: Z80: all (un)docume…

    ... official home page.

    cpu:
    Z80: all (un)documented ... commands and flags;
    CPU freq. changes from 1 to ... (for unstandart routine use maximal-speed mode of emulator ? Alt+3 ...
    rasmer rasmer November 2014 Emulators
  • Turbo loading with iOS Speccy Tape AppHas anyone had any luck using this? It works perfect at normal speed but as soon as I try to whack the speed up in the settings - Nothing. Doesn't e…

    ... /> It works perfect at normal speed but as soon as I ... try to whack the speed up in the settings - Nothing ... to reduce the bass and increase the treble.
    But if ...
    whoremoan whoremoan December 2014 Hardware
  • SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…

    ... to prevent overdraw - very large speed increase on single-core machines
    Dunny Dunny February 2015 Sinclair Basic
  • Measuring the 'real-life' speed of 3D racing gamesWe all bought Out Run, didn't we? An awesome showcase game from the arcades, full of rapid graphics whizzing past your Ferrari Testarossa.<div><br></…

    ... solution to discover the 'real' speed would be to film a ... forward at a constant given speed, with the camcorder situated inside ... dashboard, drive at a constant speed (say 40mph) for a bit ...
    peteprodge peteprodge May 2015 Games
  • New game released: EXPLORER<div><span style="font-size: 13.3333330154419px; line-height: normal; font-family: 'Courier New';">- EXPLORER -</span></div><div><span style="font-si…

    ... base.Hit red tanks to increase fuel.
    Hit purple tanks ... the game will reboot and speed will increase.

    KEYBOARD CONTROLS ...
    Luca Bordoni Luca Bordoni June 2015 Brand new software
  • My experience with a ZX Spectrum clone called Elwro 800 JuniorAfter a long break in using this forum (modellrailroading is my main hobby) I'm back and want to tell something about an interesting ZX Spectrum clon…

    ... /> - Z80A unofficial copy (MME 80A-CPU)
    - several EPROMS
    - 1 ... that will affect the execution speed and some other things. The ... there is a MME 80A-CPU processor which seems to be ... an unlicensed copy of Z80A CPU made by VEB Mikroelektronik „Karl ...
    brian-82 brian-82 August 2015 Hardware
  • External Z80 CPUHi Looking for some advice if possible. Many years ago I had a plug-in board for a Spectrum 48k which had a couple of switches, a z80 CPU, and a S…

    ... couple of switches, a z80 CPU, and a Spectrum ROM on ... the external ROM and/or CPU instead of the on-board ... really having problems with the CPU. Can anyone advice if such ...
    Graham Graham August 2015 Hardware
  • Best beeper player with good trade-off between sound quality and CPU timeHi all.. I'm toying with the idea of writing a small demo/intro on the 48k Speccy. Last time I did this I cheated and used an AY add-on but this t…

    ... image renderer. I want more CPU time.. and I want better ... leave a decent whack of CPU time for me to do ...
    evilpaul evilpaul March 2016 Development
  • Speed (nano seconds) of memory chips ZX SpectrumThe ZX Spectrum uses 4116 memory for the lower memory, which can be replaced by other sorts or a whole, modern, module, but when searching for 4116 m…

    ... searching for 4116 memory, what speed in nano seconds is needed ... simple calculation related to the speed of the processor and some ...
    georgedb georgedb August 2016 Hardware
  • New game: ZoomBloxHi everyone, this is my first post here, so first off I'd like to say hello to the Spectrum development community :) I've been developing on an…

    ... graphics
    - The relatively powerful CPU
    - Its overall look and ... limited, therefore unrespectful of the CPU time instead :) )

    [b ... impressed by ZX-Basic's speed and flexibility
    - Probably would ...
    Fabrizio Zavagli Fabrizio Zavagli August 2016 Development
  • How do I increase the window size in FUSE ?I put FUSE on my Windows 8.1 laptop but it's almost unusable cause it's running 256x192 :) How can I increase the window size ?

    I put FUSE on my Windows 8.1 laptop but it's almost unusable cause it's running 256x192 :) How can I increase the window size ?
    ivanb303 ivanb303 October 2016 Emulators
  • Spectrum 48k Clock SpeedSo I was reading the [url="http://www.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K_ServiceManual.pdf"]Spectrum 48k Service Manaul[/u…

    ... single-IC central processing unit (CPU). It is
    clocked at ...
    msansom msansom February 2017 Hardware
  • Gunfright for C64 and more!After Knight Lore and Pentagram, Gunfright also arrived for the C64/128, Plus 4 and Atari 8 bit. The stunning speed, especially in the C64 version, …

    ... 8 bit.
    The stunning speed, especially in the C64 version ... :
    "Again this is all CPU grunt (the only hardware sprite ... C128 version is around the speed of the Spectrum version. The ... Plus4 versions speed sits between the C128 and ...
    Pegaz Pegaz April 2017 Chit chat
  • Question about emulators under Linux Mint.[b](*delurks*)[/b] Hi. I've recently started using Linux Mint, and I'm having trouble with a Spectrum emulator for it. (I'm also having trouble …

    ... 12/02/2008
    CPU: Dual core Intel Core2 Duo ... cdrw,dvd,dvdrw
    Features: speed: 24x multisession: yes
    ... br /> Sensors: System Temperatures: cpu: 47.0C mobo: N/A ... /> Fan Speeds (in rpm): cpu: N/A
    Info: ...
    solar_penguin solar_penguin July 2017 Emulators
  • Speed RunningI've recently got into watching a lot of PS1 / N64 era speed runs. Does anyone know if there is a Speccy speed run scene? I've not been able to conju…

    ... lot of PS1 / N64 era speed runs. Does anyone know if ... there is a Speccy speed run scene? I've not ... .

    I know the speed running scene favours original hardware ... (coming soon) Spectrum Next and speed running games like Atic Atac ...
    simonm simonm November 2017 Games
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