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  • I'm getting one of these tomorrow[img]http://www.itechnews.net/wp-content/uploads/2009/08/ASRock-ION-330-BD-Nettop.jpg[/img] Asrock Ion 330 I have also bitten the bullet and ordere…

    ... am pretty sure has hardware decoding, would i have to set ... it to do hardware decoding or does it automatically do ...
    swordheart swordheart September 2009 Chit chat
  • What uses that port?Can't see any particular reason why anyone other than me and the person I hacked it up for would be interested, but just in case... [url]http://zxsp…

    Gah, I think I had a brain fart on the Spectranet ports, the mask I think should be the same as the port (it uses full 16 bit port decoding).
    Winston Winston September 2009 Sinclair Miscellaneous
  • What uses that port?Can't see any particular reason why anyone other than me and the person I hacked it up for would be interested, but just in case... [url]http://zxsp…

    ... uses full 16 bit port decoding).[/QUOTE]

    Well, we ... less than 16 bit port decoding from you!
    MrCheese MrCheese September 2009 Sinclair Miscellaneous
  • What uses that port?Can't see any particular reason why anyone other than me and the person I hacked it up for would be interested, but just in case... [url]http://zxsp…

    ... uses full 16 bit port decoding).[/QUOTE]

    I think ...
    Philip Kendall Philip Kendall September 2009 Sinclair Miscellaneous
  • What uses that port?Can't see any particular reason why anyone other than me and the person I hacked it up for would be interested, but just in case... [url]http://zxsp…

    [QUOTE=MrCheese;385033]Well, we wouldn't expect anything less than 16 bit port decoding from you![/QUOTE]

    Full port decoding doesn't use much in the way of CPLD resources, so it'd be a shame not to :-)
    Winston Winston September 2009 Sinclair Miscellaneous
  • How to export the symbol table in ZX Spin v0.666I've managed to resurrect some old cassette tapes with the machine code for Freeway Frog from the Spectrum Machine Language For The Absolute Beginner…

    ... of it is the raw opcodes. The best you can do ...
    gasman gasman November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... slightly non-standard approach to decoding the port (instead of ... the "slightly nonstandard" port decoding, recognising a IO cycle by ... IO cycles to avoid accidentally decoding an interrupt acknowledge, interrupt ... to the ULA+ if decoding is done in this way ...
    Winston Winston November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... />
    In the Harlequin full decoding. In the replacement ULA only ...
    chev chev November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... ]
    In the Harlequin full decoding. In the replacement ULA only ... already pretty full, and only decoding A15/A14/A0 means an ... almost certain collision with something (decoding A0 = 1 means the LSB ...
    Winston Winston November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... already pretty full, and only decoding A15/A14/A0 means an ... almost certain collision with something (decoding A0 = 1 means the LSB ...
    chev chev November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... already pretty full, and only decoding A15/A14/A0 means an ... almost certain collision with something (decoding A0 = 1 means the LSB ... />
    The upper address bus decoding is a nightmare on the ...
    csmith csmith November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... missed A0 in the address decoding sooner!

    [b]Ports ... and it's lame address decoding, the upper byte was chosen ... ??? In which case, the address decoding can be much much simpler ...
    csmith csmith November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... ).

    The problem with decoding just A15/A14 with A0 ...
    Winston Winston November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    What about decoding the high byte as the ... with it and the partial decoding might clash with certain interfaces ...
    Jmk Jmk November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    [QUOTE=Jmk;400144]What about decoding the high byte as the ...
    chev chev November 2009 Emulators
  • Twister, Mother of Charlotte .tzx don't load with ZXSpinThe .tzx version does not load in ZXSpin version 0.666, but loads fine in SpecEmu. In ZXSpin it loads with a garbage on the screen and then reset at …

    Looks like it's a v1.20 TZX with the new GDB. I'll have a look at SPIN's decoding of those blocks.

    D.
    Dunny Dunny November 2009 Emulators
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... could learn the most used opcodes (and still remember them).
    Metalbrain Metalbrain November 2009 Games
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... could learn the most used opcodes (and still remember them).[/QUOTE ...
    chev chev November 2009 Games
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... end result of someone poking opcodes and someone writing the same ... in C, and someone poking opcodes.

    I think "back ...
    Winston Winston November 2009 Games
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... could learn the most used opcodes (and still remember them).[/QUOTE ...
    bobs bobs November 2009 Games
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... about 30-40 most common opcodes, and converting from hexadecimal to ...
    Fikee Fikee November 2009 Games
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... self-modifying code - copying the opcodes from examples or placeholders elsewhere ...
    joefish joefish November 2009 Games
  • Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…

    ... could learn the most used opcodes (and still remember them).[/QUOTE ...
    Shiru Shiru November 2009 Games
  • Emulator 'primer'Hi, I see there is an emulator primer from the perspective of [i]using[/i] one but does anyone have a primer for [i]writing[/i] one? I've already s…

    ... except where unavoidable. The Z80 opcodes are all listed in the ...
    chev chev November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... the SAM has full port decoding, so writes to the ULA ...
    chev chev December 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... being lazy about minimal line decoding, eating up chunks of I ...
    obo obo December 2009 Emulators
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... a 74HCT138 (or other port decoding mechanism, if you only have ...
    Winston Winston December 2009 Hardware
  • Announcing: The +2A/+3 FLASH ROM adapter boardAs I've mentioned in a couple of other threads, this project is coming along quite well now, so I thought I'd post some details up here. I've built …

    ... a 74HCT138 (or other port decoding mechanism, if you only have ... of the chip.
    Perhaps decoding a port to switch bank ...
    guesser guesser December 2009 Hardware
  • Need help with controls in some programI've been able to preserve some software for WOS recently. Among the titles there is a Polish drawing utility called Graphic's Master. The WOS entry…

    ... /> [quote]
    Changed the port decoding for Kempston mode to default ... working. You can change the decoding back to Genuine Kempston ($1f ...
    Bandit Bandit January 2010 Development
  • Which ZX Spectrum setup?I'm building a semi-pro laser setup, with.. a ZX Spectrum as controller! [url]http://gathering.tweakers.net/forum/list_messages/1297705[/url] (I'm no…

    ... decode more than just A2 (decoding all 16 bits is best ...
    Winston Winston January 2010 Hardware
<1…16171819202122…34>

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