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<1…15161718192021…34>
  • Need advice choosing one of these optionsA few spanish friends are willing to help me build and program the ethernet interface for the Speccy. Here are the possibilities. Any advice would be…

    ... , except for the ethernet chip itself). The Z80 was cheap ... do it without external RAM on the ethernet interface - if you ... already have external RAM, why not ... something minimalist, you could interface the ENC29J60 directly to the ...
    Winston Winston April 2007 Hardware
  • Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…

    ... you're making the interface's schematic and the ... (any 128Kbyte to 512Kbyte flash chip should work)
    - A ... reason why the flash chip can't be programmed ... , or copying a program into RAM)

    The ... than try and solder chip sockets on the component ...
    Winston Winston April 2007 Hardware
  • 48K Speccy not workingHey, A few months ago (hope it&#180;s not to late) I was loading a game into my speccy and from one moment to another it stopped working! I unplugge…

    ... pretty much blow every major chip if you're unlucky.
    RAM voltages, because a common component ... to the TMS4116 datasheet, 4116 RAM will likely be killed if ... is still present - if the interface being plugged in temporarily loaded ...
    Winston Winston May 2007 Hardware
  • What WAS going to be bundled with Bandersnatch?Just saw a documentary about the death of Imagine ( [url]http://video.google.com/videoplay?docid=-1012096952890708986[/url] ) and apparently they wer…

    ... it just have been more RAM for example?[/QUOTE]

    interface. Maybe a sound chip? I don't ...
    Bad Horsey Bad Horsey May 2007 Games
  • Another TS Emu CartLooks like the one I have. [url]http://cgi.ebay.com/TC2068-Cartdrige-48K-emulator-for-Timex-Computer-2068_W0QQitemZ250133271074QQihZ015QQcategoryZ124…

    ... /> [url]http://8bit.yarek.pl/interface/ts.cartridge/index-pl.html ... an input to the SCLD chip that, when pulled low, will ... , but you'll lose all RAM internal in the machine, which ... the machine will have no RAM enabled, the machine will crash ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Sales
  • 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…

    ... it.

    1:- USB Interface
    2:- PC keyboard adapter ... :- 512K ram
    8:- 128 Ramdisc
    9:- A switchable Interface that ... atx board
    16:- Speech chip on board
    17:- Mic ... Input on audio chip side

    There are ...
    swift240 swift240 June 2007 Hardware
  • 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…

    ... (at least)
    Tape interface
    RF TV output
    Z80 processor
    256k RAM (at least)
    ZX BASIC ... br /> Optional:-
    Floppy disk interface
    Internet access
    eMail ... just take a ULA / AY chip / Z80 from a Spectrum and ...
    gasman gasman June 2007 Hardware
  • 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…

    ... about 100 times easier to interface.
    - TFT QVGA (320x200 ... ULA to keep chip count down.
    - CP2200 chip for Ethernet, ... package)
    - 512K static RAM (TSSOP or QFP surface mount ... simple to interface, would be faster to interface than bit-banging ...
    Winston Winston June 2007 Hardware
  • Damn, I think I need a reflow ovenOr a reflow frying pan at least... I was just assembling an order through Farnell since I've worn out another soldering iron tip (which has actually…

    ... so I can put the chip through its paces). The design ... , and utility programs), a static RAM (probably 512k again) which will ... of flash and 8k of RAM at the same time, or ... toomanyprojectsitus! (looks at unpopulated USB interface PCB for ALIAC-2)
    Winston Winston September 2007 Hardware
  • Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?

    ... s nothing else pages the interface in, though. The fact ... the Spectrum's main RAM, since only one ROM ... time (copy program into RAM, call it, this code ... restores the Spectrum's RAM contents at this location).< ... from a non-existent memory chip, you'll get 0xFF ...
    Winston Winston November 2007 Hardware
  • Speccy LaptopHi, Since my subtle announcement in another thread was underwhelmingly too subtle, I'll repost it in a new thread ;) I have started work designing…

    ... consideration.
    -Internal Kempston Mouse Turbo (external joystick and mouse sockets ... the LVDS chip, there's actually a really simple interface to it ...
    Phu Phu April 2008 Hardware
  • Speccy LaptopHi, Since my subtle announcement in another thread was underwhelmingly too subtle, I'll repost it in a new thread ;) I have started work designing…

    ... is a better chip, as it has a parallel interface and 5v ... , the buffers are addressable as RAM, and they have TCP offload ...
    Winston Winston April 2008 Hardware
  • 2 Spectrums (synched) playing AY tunes?After listening to a few Turbo Sound FM MP3s, I wondered... For those of us who can't build this card, couldn't we synch 2 128Ks and play these tunes…

    ... that sound like the AY-chip playing 3-channel digitized tracks ... of the examples of the Turbo Sound capabilities.
    3-For ... appeal of yet another Sound interface, do you think you could ...
    zxbruno zxbruno April 2008 Sinclair Miscellaneous
  • 2 Spectrums (synched) playing AY tunes?After listening to a few Turbo Sound FM MP3s, I wondered... For those of us who can't build this card, couldn't we synch 2 128Ks and play these tunes…

    ... that sound like the AY-chip playing 3-channel digitized tracks ... of the examples of the Turbo Sound capabilities.
    [/quote]
    interface, do you think you could ...
    gasman gasman April 2008 Sinclair Miscellaneous
  • Wrong File Type, 0:1Ive gone thru an entire transform box full (20) of cartridges containing spectrum games that i wrestled off bay last year, yet not a single one will …

    ... is inside the custom logic chip.

    It's ... has a 6116 (2K Static RAM) and a 4K ROM which ... to work out whether the Interface 1, Mirage or Sinclair ... from loading a snapshot the interface just does [CODE]JP $ ... both point to the same RAM, but I'm not sure ...
    Jimmy Jimmy April 2008 Hardware
  • Next step in MIDI to AY conversionI e-mailed the author of MID2AY with a few questions. While I wait for a reply, I would like to expose my ideas. There should be a better way to conv…

    ... how the internals of the Ram Music Machine work, it should ... instead of its own sound chip.

    A few years ... to a 128K via an interface, and have the AY as ...
    zxbruno zxbruno May 2008 Development
  • Problem with Discovery OpusI've just got a Discovery Opus, but it seems to be faulty. When I connect the Speccy and switch it on, it displays the "C 1982 Sinclair Research", …

    ... obvious issues. At least the interface hasn't blown your Spectrum ... yours have the optional 6116 RAM chip fitted? Mine does not (wish ... you plug an "Interface II" type joystick interface into the Opus's ...
    Jimmy Jimmy July 2008 Hardware
  • Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…

    ... Gb DDR2 RAM (Single Channel) and GeForce 6200LE (256 Mb+Turbo Cache ... issues that remain - the MDI interface used causes your tools to ...
    Dunny Dunny September 2008 Development
  • MP3 interface for ZX SpectrumThis is new version of russian GENERAL SOUND interface with MP3 support: [url]http://translate.google.com/translate?u=http%3A%2F%2Fwww.nedopc.com%2F…

    ... uses DMA chip with timers to play samples from main RAM (also ... , because it requires 512KB of RAM (or it will be useless ... , it has some problems with turbo mode (7 MHz), and never ... I won't use main RAM for samples, nor won't ...
    mcleod_ideafix mcleod_ideafix October 2008 Hardware
  • Speccy AY-3-8910 vs. C64 SID ChipI thought I'd open this up for debate. Having owned both a C64 and a Speccy +2, my vote goes to the SID Chip; it is by far the superior sound synthe…

    ... and allows the internal sound chip to be used as a ... know there was a MIDI interface at one time, but think ... pretty much all the sound chip add-ons I can think ... , etc.) just used an AY chip.

    The [URL="http ... with only the Spectrum's RAM to work with.
    Matt_B Matt_B October 2008 Sinclair Miscellaneous
  • Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …

    ... the game without doing anything interface 1 related, still the same ... round to taking off the interface 1 and it still reset ... be right about the dodgy RAM chip, and I've just been ... yes, When I took the interface 1 off, I discovered it ...
    hypostomus hypostomus January 2009 Games
  • Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…

    ... /> [I]Belastingprogramma 1987[/I] - Strange turbo loader
    [I]CW[/I ... /> [I]Proceeding Electronic System Printer Interface[/I] - doesn't do anything ... once loaded
    [I]Ram-Jet+3[/I] - doesn't ...
    GreenCard GreenCard January 2009 Games
  • Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…

    ... /> [I]Belastingprogramma 1987[/I] - Strange turbo loader
    [I]CW[/I ... /> [I]Proceeding Electronic System Printer Interface[/I] - doesn't do anything ... once loaded
    [I]Ram-Jet+3[/I] - doesn' ... :D


    [B]Ram-Jet+3[/B] - This tapefile ...
    Digital Prawn Digital Prawn January 2009 Games
  • Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…

    ... 327231]Why ZXCF ? This interface is not software supported. Exist ... is old interface with 512kB sram + 512kB rom(or ram+battery) + ... with original DIVIDE interface). For MB02+ interface exist RESIDOS(with ... ?t need any type of chip programmer?

    ...
    zboskovi zboskovi January 2009 Hardware
  • Keys don't work even with new membrane, HELP!Hi folks. I have a 1983 48k Zx Spectrum. It powers up fine, but none of the keys respond. I have tried fitting a new keyboard membrane from rwap, but…

    ... you have a Kempston joystick interface and a joystick try using ... ULA, bad RAM, bad ROM, stuck interrupt lines, bad chip selects etc.
    bladerunner bladerunner February 2009 Hardware
  • Huge Clearance!This sale is dependant on offers, serious offers, for the following items: (One bulk lot, I'm not breaking it down) Unit: …

    ...
    Protek Joystick Interface #1
    Protek Joystick Interface #2
    Prowler ...
    Rally Driver
    Ram Joystick Interface
    Rambo Iii
    Rapid ... Tv Special Compilation
    Twin Turbo V8
    Type-Rope
    TrooperHCR TrooperHCR March 2009 Sales
  • 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…

    ... new DMA routines in ZX ram only !!! All fullscreen animations must ... was a MB02 without DMA chip.[/QUOTE]

    Yes, MB02 ... /> (it's my MB memory interface + connected DIVIDE : [url]http://velesoft ...
    velesoft velesoft April 2009 Sinclair Miscellaneous
  • SCREEN$ 1.9e Released!And here's another update! [url]http://paul.dunn.googlepages.com/SCREEN_1.9e.rar[/url] There's a few new things in this release, but it's mostly bu…

    ...
    Release clipper
    Query interface for D3D
    Create D3D ... 2.40GHz
    Memory: 760MB RAM
    Page File: 1117MB used ... /> Manufacturer: ATI Technologies Inc.
    Chip type: RADEON 9200 PRO (0x5960 ...
    zxbruno zxbruno May 2009 Sinclair Miscellaneous
  • !!! Trdos Emulation On Zx !!![B]This is software emulator of TRDOS(betadisk). Yet is writed only for interface MB02+, but will ported to more other IDE interfaces with external r…

    ... DivIDE / DivIDE+ interface
    All ZX ram utilities with IDE ports ... /> -DivIDE is modern IDE interface based on new components. Use ... interface with HD FDD support (1.8MB !!!), contain DMA chip ... for direct access to memory/ports,parallel ports,RTC,ram ...
    velesoft velesoft May 2009 Development
  • I want a DivIDE but....I need help, I want to get a DivIDE but I need some advice. Which one do I go for DivIDE or RWAPS DivIDE+ (when they become available). Which firmwa…

    ... filesystem fit in the Interface 1, and an IDE ... it requires battery backed RAM, which can be either ... and reliable. Standard static RAM was never really designed ... low volumes for each chip, and still occasionally can ... circuits to protect the RAM on power up/power ...
    Winston Winston August 2009 Development
<1…15161718192021…34>

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