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<1234567…34>
  • project DATA-GEAR is freeI add new DOWNLOAD section with EAGLE files and GAL chip content. [url]http://velesoft.speccy.cz/data-gear.htm[/url] VELESOFT

    I add new DOWNLOAD section with EAGLE files and GAL chip content.

    [url]http://velesoft.speccy.cz/data-gear.htm[/url]

    VELESOFT
    velesoft velesoft August 2008 Hardware
  • +3e with DivIDE systemsIf we replace old R-GAL chip on original DivIDE with new XR-GAL (this is only firmware for GAL chip) then will possible DISABLE or ENABLE any DivIDE …

    If we replace old R-GAL chip on original DivIDE with new ... XR-GAL (this is only firmware for GAL chip) then will ... on original DivIDE without XR-GAL is impossible :-)

    XR ... backward compatible with last R-GAL version used in original DivIDE ...
    velesoft velesoft January 2012 Hardware
  • AMSTRAD 40057 - joystick decoder replacementThis is replacement of joystick decoder "AMSTRAD 40057" for Amstrad model ZX Spectrum 128+2 (grey). This project is not tested, but theoretically wil…

    ... />
    Eagle data + firmware for GAL chip.
    [URL="http://velesoft.speccy ...
    velesoft velesoft September 2014 Hardware
  • New multisystem floppy interface (spectrum 16Kb/+2A/CPC464)Dear all, I would like to show you my new extern floppy interface. Same interface can be used for both, CPC and Spectrum systems. CHARACTERISTICS …

    ... ;oid=108544191038453053882[/url]

    GAL chip is responsible of the implementation ... handle is made in the GAL chip also.

    The /READY ...
    wilco2009 wilco2009 December 2014 Hardware
  • Datel +D clone[url]http://cgi.ebay.co.uk/Plus-D-D-interface-NEW-FDD-for-ZX-Spectrum_W0QQitemZ140007699563QQihZ004QQcategoryZ50223QQrdZ1QQcmdZViewItem[/url] I have…

    I've heard that somebody has tried a GAL chip but it didn't work. Mine is a PAL, just like the original.

    Quite why the GAL chips don't work is beyond me, but I am sure I have read that they don't.
    DEATH DEATH July 2006 Hardware
  • Paging MemoryAny idea why this short piece of code doesnt work, just crashes. I am just messing with paging memory in and out (not achived this yet) and reading t…

    ... contain bug in programmable HAL chip equation and port #7FFD ... is new bug-fixed HAL chip replacement (GAL16V8 ):
    [url ... [/url]

    This GAL chip disable 128port reading (write only ... connect to PIN 11 of GAL chip, unraining effect is possible....< ...
    velesoft velesoft October 2007 Development
  • Official release of new K-MOUSE 2008 interface[url]http://velesoft.speccy.cz/kmturbo2008-cz.htm[/url] This is official release of new K-MOUSE 2008 interface. New layout, design, new schematic. …

    ...
    4)replace original R-GAL chip on Divide with my new ... XR-GAL (gal22v10)

    New upgade ...
    velesoft velesoft August 2008 Hardware
  • ZX128/+2 unrainer (HAL10H8)[url]http://velesoft.speccy.cz/zx/umbrella/umbrella.htm[/url]

    ... /> Exist too next variant of GAL chip content:

    Version on ... ZX128/+2). Content of UBRELLA chip you can find at: [url ... software crash. New unrainer/umbrella chip fix this bug.
    velesoft velesoft August 2008 Hardware
  • PAL programminghi, i am looking for a decent PAL programmer or someone who can program PAL's I need this for my Not The +D project I have tried a GAL but could not…

    ...
    I have tried a GAL but could not get the ... translated some PAL chips into GAL chip and I never found problems ...
    Jose_Leandro Jose_Leandro May 2009 Hardware
  • Recently acquired divIDE 57cI recently got hold of a divIDE 57c (whilst waiting RWAPs divIDE plus to materialise...) I have installed the interface and powered up my zx spectr…

    ... FATWARE system is in eeprom chip installed.

    Write basic ... from NOBY contain new R"GAL chip with 16kB allram mode support ...
    velesoft velesoft June 2009 Hardware
  • Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…

    ... only on DivIDE with R"GAL chip (with true allram support).
    velesoft velesoft June 2009 Sinclair Basic
  • What model next ?Hi All I already have two 48k rubber kyed 48k Spectrums and a Grey +2 What to get next. ZX Spectrum + ZX Spectrum 128 Toast Rack ZX Spectrum +3

    ... fixed if you replace original chip PAL/HAL10H8 with new ... /> This GAL16V8 is PLD reprogrammable chip and can correct memory layout ... replacement of original PAL10H8/HAL10H8 chip in ZX Spectrum 128/+ ... br /> ZX128/+2 with this GAL chip is mutant between +2A and ...
    velesoft velesoft December 2010 Hardware
  • Wanted - Currah MicroSlot or equivalent two-way expansion portHas anyone got a spare Currah ?Slot they can sell me? Or equivalent 2-way expansion bus connector? I gather the Czech guy who makes DivIDE kits and…

    ... also bought an 'unrainer' umbrella GAL chip programmed with Velesoft's unrainer ...
    toadstool toadstool January 2011 Wanted
  • Some TAP files not working on DivIDEOne of the people who ordered a DivIDE from me told me het can't load certain TAP files, which load perfectly on emulators. I have encountered that …

    ...
    Yes, verify in GAL programmer on PC. Or contact ... version of R" GAL chip - signed as XR-GAL. It's ... memory. More info about XR-GAL here:
    [url] ... />
    [B]XR-GAL is 100% compatible with original ... R"GAL but if jumper JP2 ...
    velesoft velesoft January 2011 Hardware
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    ... configurations need different firmware for GAL chip.

    Next configurations:
    velesoft velesoft March 2011 Hardware
  • Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …

    ... firmware for GAL chip will exist. You can only replace GAL chip for change ...
    velesoft velesoft March 2011 Hardware
  • Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …

    ... the info about the ROM chip - as you might know, I ... Velesoft has actually produced a GAL chip which fixes the broken logic ...
    chev chev April 2011 Sinclair Basic
  • Emulating the 128KeIt occurs to me that I wasn't frequenting WoSf when I created the 128Ke standard, which means some people haven't heard of it. Here it is: [url]http…

    ... be fixed with Velesoft's GAL chip solution.

    [quote]And ...
    chev chev April 2011 Emulators
  • contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …

    ... well as Velesoft's custom GAL chip, you'll need to install ...
    chev chev April 2011 Hardware
  • +D problemi picked up another one of these but it seems to have a problem every time i try to format a disk it comes up with the following message after trying…

    changed the WD1772 chip and also reprogrammed a ROM chip (did the PAL chip as well used a GAL chip)

    4110 refers to line 4110 of the program tape

    hmmmm
    reanimator reanimator May 2011 Hardware
  • +D problemi picked up another one of these but it seems to have a problem every time i try to format a disk it comes up with the following message after trying…

    ... =reanimator;531130]changed the WD1772 chip and also reprogrammed a ROM ... chip (did the PAL chip as well used a GAL chip)
    LCD LCD May 2011 Hardware
  • ZX80 Games on your +2A/+3Hi all. Was just having a talk on irc about Paul Farrow's ZX80 games and his emulator for 128k Spectrums and IF2 and since I remembered I got them r…

    ... new DivIDE models with R'GAL chip and need before allram activation ...
    velesoft velesoft July 2011 Games
  • NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…

    ... signals (on input pins of GAL chip must be connect resistor net ...
    velesoft velesoft August 2011 Hardware
  • NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…

    I decode JED file from GAL chip and make true equations. This ...
    velesoft velesoft August 2011 Hardware
  • Need for low budget Kempston joystick interfaces?I am thinking of designing a lowcost (< ?10) Kempston joystick interface. Small, one (double sided) board, throughput edge. Others need some too?

    ... TTL chips or a single GAL chip?
    mcleod_ideafix mcleod_ideafix December 2011 Hardware
  • Need for low budget Kempston joystick interfaces?I am thinking of designing a lowcost (< ?10) Kempston joystick interface. Small, one (double sided) board, throughput edge. Others need some too?

    ... TTL chips or a single GAL chip?[/QUOTE]

    Nope: as ...
    bverstee bverstee December 2011 Hardware
  • Genius G540 programmer and GAL22v10B?I noticed in an Amiga forum Zetr0 saying they'd used a Genius G540 programmer to program GALs... I'm not having any luck with mine :/ I know this is…

    GAL chip after programming is automatically protected (not readable) and verify GAL is ... need read back firmware from GAL). But you can disable this ... feature and GAL will unprotected and always readable ... verify or read back your GAL chips.
    velesoft velesoft March 2012 Hardware
  • The impossible made possibleSome years ago Miguel Angel Rodriguez Jodar and I developed the PC Keyboard Interface (still available at SellMyRetro.com). The interface however wa…

    ... showed me something with a chip that has a matrix array ... -ALT-DEL)
    2. A GAL chip to make a +2A, +2B ... than soldering 8 resistors; this GAL chip should be soldered inside the ...
    bverstee bverstee March 2012 Hardware
  • Another towerAfter reading about Abelientje working on his ZX Spectrum tower, I couldn't resist myself... Abelientjes 48K tower project: [url]http://www.worldofsp…

    ... /> - Joystick interface is added (single GAL chip solution, the prototype [URL="http ...
    bverstee bverstee April 2012 Hardware
  • "More tea Vicar?" on gray +2 with divIDEDid anybody try to run "More tea Vicar?" (128k version) on gray +2 with divIDE? On my machine game loads but crashes after joystick selection.

    [QUOTE=BloodBaz;622742]GAL?
    [i]dummy-line-to- ... clock. Velesoft has developed a GAL chip to replace the dodgy logic ... chip in the original 128s and ... . Once you've fitted the GAL chip, software that currently only works ...
    chev chev April 2012 Games
<1234567…34>

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