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Search Again :: Adv Search 521 results in 0.001s
<1234567…18>
  • MakeTZX DMA Buffer Overrun ?Okay folks, Does anyone know why I get DMA Buffer Overruns when using MakeTZX. Could it be anything to do with my SB Enironment string or anything …

    ... anyone know why I get DMA Buffer Overruns when using MakeTZX ... it again.

    A DMA Overrun as I understand is ...
    Andrew Barker Andrew Barker January 2003 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…

    ... and schematic is compatible with DMA in MB02+ interface. On ZX ...
    velesoft velesoft March 2007 Hardware
  • 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…

    ... unmodified Speccy, as a DMA (direct memory access, in ... byte.
    A DMA using Z80 memory timings ... !

    Also, DMA won't be modifying registers ... devices, especially if the DMA can transfer more than ... that yet :-) (The DMA bursts are short enough in ...
    Winston Winston November 2014 Hardware
  • shamazx dma 15x anyone intereted? was hoping to get ula+ full screen animations working any programmers think they could disect rtype replace screen scrolling…

    ... rtype replace screen scrolling with dma code?

    Attach Poll ...
    rogerjowett1 rogerjowett1 April 2022 Hardware
  • shamazx dma15x anyone intereted? was hoping to get ula+ full screen animations working any programmers think they could disect rtype replace screen scrolling w…

    ... rtype replace screen scrolling with dma code?

    Attach Poll ...
    rogerjowett1 rogerjowett1 April 2022 Hardware Preservation
  • shamazx dma 15x anyone intereted? was hoping to get ula+ full screen animations working any programmers think they could disect rtype replace screen scrolling…

    ... rtype replace screen scrolling with dma code?

    Attach Poll ...
    rogerjowett1 rogerjowett1 April 2022 Hardware
  • Idea about improving EmulatorHi, I got a bright idea today how to improve such excellent emulators a bit more. Okay, disassemblers are available in nearly every one new released …

    ... . RealSpectrum can have support for DMA. This will help a lot ...
    LCD LCD April 2001 Emulators
  • Using MakeTZXHow do you change the IRQ and DMA setting to get Spectrum tapes on to the PC.

    How do you change the IRQ and DMA setting to get Spectrum tapes on to the PC.
    Rob Rob January 2001 Emulators
  • Z80 Stealth Emulator probsI have problems with my soundcard. I have an ESS1868 sound card and on most DOS programs I can use Adlib compatibility to get sound. Sometimes Soundb…

    ... Address 220. IRQ 5 and DMA 1 (or 3).
    Arjun Arjun June 2002 Emulators
  • ZX SPECTRUM on chiptune Christmas compilation :)Hi, zx-maniax, it's Yerz here. ;) [url="http://www.8bitpeoples.com"]www.8bitpeoples.com[/url] has published a funny compilation on their site. So…

    ... /> Goto80 on the C64,
    Dma-Sc on the Atari ST ...
    Yerz Yerz December 2003 Sinclair Miscellaneous
  • Why I like Atari 8-Bit and Amiga and respect the SpectrumI mentioned this on my other topic already, but I like these two computers because they were designed by an absolute visionary in the computer field,…

    ... up things like hardware sprites, DMA, custom chips to free up ...
    Foebane72 Foebane72 November 2004 Sinclair Miscellaneous
  • Lemmings on speccy 128k!Just got this game, it's absolutely amazing how they managed to cram all the levels onto a ZX Spectrum! Poor old 128k does chug a bit though trying …

    ... the scrolling screen at once, DMA Design are one of the ...
    Resident0 Resident0 April 2006 Games
  • real MB02+IDEHi, I just managed to rebuild a MB02+ hardware including HDD-interface to connect IDE devices as CF cards and FDD interface to connect up to 2 HD-fl…

    ... SMD versions. Only the FDD, DMA, RTC, GAL (for IDE) and ...
    ingo ingo October 2007 Hardware
  • Anyone after 4164s...If anyone's after 4164 RAM... ... I'm in Houston at the moment, and EPO has some 4164 RAM in the shop, 100, 150 and 200ns variety, for $1 each. If …

    ... .75 each. Unfortunately, no Z80 DMA (I'd really like to ...
    Winston Winston February 2008 Hardware
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... other interfaces as tere are: DMA, FDD, HDD, 3 x 8 ...
    ingo ingo March 2008 Development
  • Weird DVD +Sound problemHey guys. Seeing that this forum is full of solved technical problems (including several mine,) I'll present you my current problem Before Christmas…

    ... both HDD and DVD into DMA (direct memory access).
    ... is successfully using Ultra DMA 5 mode, but the ... force it into running in DMA mode.

    ... for any traces of forcing DMA.
    The HDD ...
    transfer mode: FPIO4/DMA 2 (other options wee "fast ...
    FRGT/10 FRGT/10 January 2009 Chit chat
  • NEC CPU - problem?I wonder if I should substitute a NEC CPU in a grey +2. Does anyone else had problems with NEC CPUs inside ZX Spectrum. Some time ago I had a Spectr…

    ... on its keyboard while a DMA demo/program is working - in ...
    ingo ingo February 2009 Hardware
  • BSDOS 309 for MB02+ by DuskyI heard, there is a new version of BSDOS 309 for the MB02 disc interface coded by DUSKY (Nick: UB880D). I have three pieces of MB02 (including a prot…

    ... other bad news 2: The DMA chip is not supported anymore ... Spectrum or vica versa, using DMA, so what is the logic ... support Real disc drives and DMA again.
    I do not ...
    LCD LCD March 2009 Sinclair Miscellaneous
  • interface1discipleanyone manage to virtually connect two emulators running on the same machine? could zx spin be modified to replay two rzx files simultaneously? any o…

    ... to emulate
    1 velesoft dma for sam - not compatible with ... is not compatible with the dma either?
    3 quazar accelerator ... spin playback file or the dma to transfer the extra data ... the fly?

    does dma for sam steady the interlaced ...
    Roger Jowett Roger Jowett April 2009 Emulators
  • How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…

    ... , we have a kind of DMA...

    Maybe we'd ...
    wilsonsamm wilsonsamm June 2009 Hardware
  • Where's the border line between a Spectrum and something else?I mean: there are purists out there that consider that anything that is not a true Sinclair Spectrum, with a true Z80 and a true ULA, and at most, 48…

    ... boost performance, like a Z80-DMA inboard, or a DivIDE to ...
    mcleod_ideafix mcleod_ideafix August 2009 Development
  • ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…

    ... a bit odd connecting 3 dma to one audio chip whereas ... one dma could have acted like a ... total redesign for processor and dma to access same ram addresses ...
    Roger Jowett Roger Jowett September 2010 Hardware
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... ?
    only real spectrum has dma from mb-02+ support?
    Roger Jowett Roger Jowett September 2010 Emulators
  • WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…

    ... effects, hardware sprites, hardware scroll, DMA engine, or more demanded (trans ...
    mcleod_ideafix mcleod_ideafix August 2012 Hardware
  • This time for ATARI ST music fans ;)New ATARI 520ST album of YM-DIGITAL (ym2149 chip) Hi there. :) After 2 years of break, we prepared another ATARI ST album with MOD-music - YM-DIGI…

    ... , Atari STE, 8 channels of DMA chip)

    Total Time ... . It has 8 channels of DMA sound and has been composed ...
    Yerzmyey Yerzmyey February 2013 Chit chat
  • Windows Xp Repair - My Arcade Machine is deadI started up my XP base Mame arcade, this evening as my son wanted to play it. However, it hung on boot at the Verifying DMA Pool part. I've made no…

    ... on boot at the Verifying DMA Pool part.

    I ...
    Scottie_uk Scottie_uk May 2013 Chit chat
  • Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…

    ... throuht connector ZX interface with DMA access[/B]

    [B ...
    velesoft velesoft August 2013 Hardware
  • Upper RAM replacement module issues with the DivideI got my new upper ram replacement module from Zorn yesterday and seem to be having some issues. When the machine is without the Divide it boots up …

    ... or if the Divide attempts DMA to the upper RAM and ...
    gtsamour gtsamour September 2013 Hardware
  • MB02+ BSdos308a Update / Docs and SW LibraryHello to all users and fans of MB02+. I have prepared a new update of BSdos308. BSdos308a is update, which includes: https://drive.google.com/ope…

    ... most frequently used utilities, some DMA games, DMA demos, Multitech, etc.
    LMN128 LMN128 October 2015 Hardware
  • LnxSpectrum - one of the best emulators?Anyone is using the LnxSpectrum? Supports DivIDE (master and slave, up to 1MB of memory), RTC, DMA (!), SAA and 2xAY, ULA+, K-Mouse, CPU up to 20 …

    ... to 1MB of memory), RTC, DMA (!), SAA and 2xAY, ULA+, K ...
    scz scz July 2017 Emulators
<1234567…18>

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Related Threads

  • MakeTZX DMA Buffer Overrun ?Okay folks,<br /> <br /> Does anyone know why I get DMA Buffer Overruns when using MakeTZX. Could it be anything to do with my SB Enironment string …
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url]<br /> <br /> This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU.<br /> Use Di…
  • Tinkering with DMASo, some afternoon tinkering...<br /> <br /> [img]http://photo.alioth.net/tmp/dma_small.jpg[/img]<br /> <br /> The purpose of this all is to see what…
  • shamazx dma15x anyone intereted? was hoping to get ula+ full screen animations working<br /> any programmers think they could disect rtype replace screen scrol…
  • shamazx dma15x anyone intereted? was hoping to get ula+ full screen animations working<br /> any programmers think they could disect rtype replace screen scrol…
  • shamazx dma15x anyone intereted? was hoping to get ula+ full screen animations working<br /> any programmers think they could disect rtype replace screen scrol…

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