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<1…16171819202122…34>
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…

    The speed is, in fact, great. But ... ULA (not to mention the CPU) want to access the same ...
    Marcelo Marcelo March 2007 Hardware
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…

    [QUOTE=Marcelo;175861]The speed is, in fact, great. But ... ULA (not to mention the CPU) want to access the same ...
    piters piters March 2007 Hardware
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…

    ... memory, ULA stopped clock for CPU.
    DMA clock is same ... as for CPU, thus DMA wait. On ZX ... CPU. DMA work on any ULA model. You
    can change speed ...
    write(target adress). Max. speed is 2T for read byte ...
    velesoft velesoft March 2007 Hardware
  • Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url] You know it makes sense. We're winning at the moment, too... D.

    ... !
    The C64 had a CPU that could do 5 times ... not only do you have CPU instructions that do more (meaning ... ), you have a higher clock speed anyway. The Z80 also has ...
    Winston Winston March 2007 Sinclair Miscellaneous
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…

    ... memory, ULA stopped clock for CPU.
    DMA clock is same ... as for CPU, thus DMA wait. On ZX ... CPU. DMA work on any ULA model. You
    can change speed ...
    write(target adress). Max. speed is 2T for read byte ...
    velesoft velesoft March 2007 Hardware
  • MS Windows on ZX Spectrum[url]http://www.youtube.com/watch?v=5SMRRmaIzgE&mode=related&search=[/url] how is he doing that and how can you reproduce it?

    ... enabled....

    Speed too fast.....
    CPU braker on....

    bugpat bugpat April 2007 Emulators
  • 16-bit WarsDoing a 8-bit war is a bit of a no-brainer but what's your 16-bit fave, Multiple votes are allowed

    ... had a slight edge in speed over the more expensive machine ... the chip directly from the CPU it can also do a ...
    Matt_B Matt_B April 2007 Chit chat
  • Speccy goes to the Internet!!![url]http://zx.pk.ru/attachment.php?attachmentid=4998&d=1176284955[/url] It's not a joke. This program really works. It uses an RS232 modem (or cel…

    ... role is to offload the CPU from ARP and frame parsing ... space. This will simplify and speed up data exchange.
    The ...
    Sonic Sonic April 2007 Development
  • New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…

    ... , i often turn on maximum speed in unreal speccy emulator, because ... a cpu frequency slider in basin, but didn't notice speed difference ...
    Konstantin Elfimov Konstantin Elfimov May 2007 Emulators
  • New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…

    ... , i often turn on maximum speed in unreal speccy emulator, because ... a cpu frequency slider in basin, but didn't notice speed difference ... REM directives :-)

    The CPU slider is in the new ...
    Dunny Dunny May 2007 Emulators
  • Bios upgrade ?I have a Athlon 32 bit 2800 processor when i plug it into my pc it only says it is an 1800 ( i think its 1800 ive forgot now ) the thing is the place…

    ... should report what the Athlon speed it is (in this case ... should be reporting the clock speed (which in this case is ... is not running at the speed it should be (the people ... verison that does support your CPU.

    Hope that helps ...
    The Starglider The Starglider May 2007 Chit chat
  • 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…

    ... a bit faster due to CPU clock (3.5 vs 3 ... /> Any volunteer to make simple speed comparison of contended memory? Let ...
    omega omega May 2007 Development
  • Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…

    ... BEEP;192425]Other than some speed and double declarations?
    [/QUOTE ... long does it pause the cpu?
    Rickard Rickard May 2007 Development
  • After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…

    Moores law is that CPU's will double in speed every 18 months ... other hardware.

    As CPU's got faster, air flow ...
    Lee Fogarty Lee Fogarty June 2007 Chit chat
  • After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…

    ... law is that CPU's will double in speed every 18 months ... other hardware.

    As CPU's got faster, air flow ...
    Toxitalk Toxitalk June 2007 Chit chat
  • Things not to do online in a public forumDue to recent posts on my part, I thought this would be a good one. Basically in joke form I raised the idea that an image uploaded to this forum co…

    ... linux, how its going to speed my machine up, that uses ... have keyboards and a Z80 CPU, you can't expect to ...
    Winston Winston June 2007 Chit chat
  • Edge top 100 gamesIt's [url=http://www.next-gen.biz/index.php?option=com_content&task=view&id=6231&Itemid=2]the top 100 games of all time[/url] from the last 15 years

    ... that the turning speed is increased by the CPU so that you ...
    Vampyre Vampyre July 2007 Chit chat
  • speed of my Broadband connectionI have done a speed test on my Broadband connection and got a result of 2.5 and 4.2 megabits, the thing is i have just upgraded my connection to 20me…

    ... ... is there any security benefits, speed benefits, would it be better ... up quite a bit of CPU time with the USB protocol ...
    Laser Laser July 2007 Chit chat
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... to use an emulator with speed control :=)[/QUOTE]

    Interesting ... SPIN, and set it maximum speed. That ran at around 320 ... ), and set that to maximum speed, which appears as 3200% on ... use it to stress the CPU. How hot would a real ...
    Digital Prawn Digital Prawn July 2007 Development
  • Remade Speccy game. Chaos.I'm not sure if I'm posting this in the right place. But if I write Speccy and games then I'm sure it is now! Anyways... Just in case some people …

    Yes please report back and tell me what you think. Especially speed wise. What CPU does your laptop have?
    HonoredShadow HonoredShadow August 2007 Games
  • MS Windows on ZX?I found this on YouTube..is this a fake? [url]http://www.youtube.com/watch?v=5SMRRmaIzgE&eurl=http%3A%2F%2Fwww%2Ezeusnews%2Eit%2Findex%2Ephp3%3Far%3D…

    "Speed too fast. CPU Braker On"
    Nice one.
    Pilsener Pilsener August 2007 Chit chat
  • super-quick games in BASIC?do you think, games written in BASIC could run flawlessly at high speed when run in a speccy emulator at, say, 1000% speed? (i wonder, speccy is rare…

    ... for [I]Maximum Speed[/I] and [I]Normal Speed[/I] type flags ... ) CPU intensive routines were called, the emulator would read the Speed up ... emulating at the [I]Maximum Speed[/I] possible on the host ... of the Z80-CPU intensive routines, the [I]Normal Speed[/I] flag ...
    ewgf ewgf August 2007 Games
  • FuseX on the Xbox :releases, testing and feedbackI'm creating a new thread here to continue on from the thread about emulators on the Xbox ([url="http://www.worldofspectrum.org/forums/viewtopic.php…

    ... ]* the ability to alter the speed of the emulated Speccy, say ... ability to alter the speed of the emulated CPU, which doesn't ... Spectrum's timer, just the CPU[/B]

    (the above ...
    ewgf ewgf August 2007 Emulators
  • Emulation vs SpecApologies if this is an old thread, what does anyone think is the best - playing spectrum games through emulation or on a real speccy? I feel it's b…

    ... and sound chips, whilst the CPU was comparatively modest. A 25MHz ... emulate a Spectrum at full speed as early as 1992 with ... have only got about 25% speed with an Amiga 500 at ...
    Matt_B Matt_B August 2007 Games
  • Emulation vs SpecApologies if this is an old thread, what does anyone think is the best - playing spectrum games through emulation or on a real speccy? I feel it's b…

    ... and sound chips, whilst the CPU was comparatively modest. A ... speccy games at 70% speed (Some were slower though).< ... more or less 100% emulation speed (slightly variable) on several ... instructions could occasionally surpass 100% speed.

    Under speccy ...
    Digital Prawn Digital Prawn August 2007 Games
  • What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…

    ... clock speed which reduces power consumption while the CPU isn ... bloated and requires more cpu cycles you need ... in a CPU, and the quicker the switching speed, the ... the higher the switching speed, the more waste heat ... be able to lower CPU operating voltages so much ...
    Winston Winston August 2007 Chit chat
  • 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…

    ... certain point during within the CPU cycle when the INTREQ is ... like the speed of the transistor driving the CPU clock line would ...
    csmith csmith September 2007 Emulators
  • Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…

    ... 's for ?399, but their CPU's aren't as good ... .......

    Except for processor speed (mines T2400, 1.83 dual ...
    ADJB ADJB September 2007 Chit chat
  • Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…

    ... /> [QUOTE]
    Except for processor speed (mines T2400, 1.83 dual ... T7700 2.4 dual core CPU. It ain't cheap, but ...
    JamesW JamesW September 2007 Chit chat
  • What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…

    The speed advantage of BBC Basic has ... advantage because of the fast CPU and lack of memory contention ...
    Matt_B Matt_B September 2007 Sinclair Basic
<1…16171819202122…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
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