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<1…15161718192021…34>
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... . The same instructions for hi-soft should work with timemachine.
    z80 or using a library in ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …

    ... stripes on the screen. Pressing reset button will sometimes swap them ... /> This effect is caused by Z80 constantly executing #FF (RST #38 ... contents at the moment of reset (i.e. #0038 can start ...
    Sonic Sonic November 2006 Hardware
  • Nooooo my speccy died!??!!Hi! I am quite sad. :( Tonight I got a kempston interface so I rushed home to try it on my spectrum+ The edge connector of the interface was narrower…

    ... vertical flashing stripes. Try to reset ZX several times, they'll ... you may have ULA or Z80 killed (lines from expansion slot ...
    Sonic Sonic December 2006 Hardware
  • Nooooo my speccy died!??!!Hi! I am quite sad. :( Tonight I got a kempston interface so I rushed home to try it on my spectrum+ The edge connector of the interface was narrower…

    ... ]
    when I have the reset button pushed I get a ... CPU is died.
    Finding Z80 is not big deal, but ...
    piters piters December 2006 Hardware
  • Spectrum ResetHi All I have asked this before but in another thread as part of something else. I really cannot recall all this stuff from way back :[ When I ha…

    It's even easier to just install a reset-switch thats connected between pin 26 and 29 on the Z80. Works on all issues.
    Pilsener Pilsener December 2006 Sinclair Miscellaneous
  • Blowtorch method of Speccy repairsI just did my first Spectrum repair (and successful at that). It was the Issue 2 spectrum I wrote about a while ago, I just hadn't got around to doin…

    ... 128 ) so you can test Z80's M1 line (NMI).
    reset. If the M1 line doesn ... interface.
    I replaced the Z80 with a new one, worked ...
    gtsamour gtsamour January 2007 Hardware
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... />
    AfterburnerRemix+1_128.z80
    BarbarianRemix_128.z80
    BasketMasterRemix_128.z80

    All ... strange is that even AstroMarineCorpsCollection_128.z80 doesn't work here either ... /> btw. Fatware 1.2 does reset constantly here with +2A/+3 ...
    Tom-Cat Tom-Cat January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... />
    AfterburnerRemix+1_128.z80
    BarbarianRemix_128.z80
    BasketMasterRemix_128.z80

    All ... strange is that even AstroMarineCorpsCollection_128.z80 doesn't work here either ... /> btw. Fatware 1.2 does reset constantly here with +2A/+3 ...
    rwap rwap January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... from fatware still displayed or reset the spectrum. None of them ... - in rwap mode the 128k z80 snapshots don't work.
    Tom-Cat Tom-Cat January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... from fatware still displayed or reset the spectrum. None of them ... - in rwap mode the 128k z80 snapshots don't work.
    rwap rwap January 2007 Development
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... address bus and asserts two Z80 signals: -IORQ and -RD.
    reset. The hardware should also deal ... -RD, so that makes another reset bit to decode. I'd ...
    Marcelo Marcelo March 2007 Emulators
  • What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]

    ... resoldered the pcf, rom and z80 pins just in case those ... matter how many times i reset the 128, those patterns are ...
    odious odious March 2007 Hardware
  • Amstrad +2 Diagnostic BoardCan anybody help I wish to buy the Diagnostic Board that connects to the I/O strip at the back of the Amstrad ZX Spectrum +2. Many thanks Martin

    ... Spectrums where at least the Z80 runs and the bus isn ... flash ROM on power up/reset, or the Spectrum's ROM ... on power up/reset, in either case paging in ...
    Winston Winston March 2007 Wanted
  • 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…

    ... ULA since this controls the Z80's clock!)

    The ... paged in on power up/reset or whether the board's ...
    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…

    ... paged on power up and reset)
    - 3 pin jumper block ... copy and share etc. My Z80 fu isn't as good ...
    Winston Winston April 2007 Hardware
  • Reconditioned Sam Coup?, two drives + more...I've popped up a reconditioned Sam Coup&#233; on eBay as a Buy-It-Now listing. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=11012902618…

    ... />
    Yes, the Sam's Z80 is clocked at 6MHz.
    reset, the 8MHz clock temporarlly stops ...
    Quazar Quazar May 2007 Sales
  • Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…

    ... the ALIAC-1 breadboarded experimental Z80 computer I built late last ... 0x8000, and held the Z80 in the reset state while I loaded ...
    Winston Winston May 2007 Hardware
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... />
    [code]
    ; Z80 delay routine
    ; by JB ... : 20 T
    ; bit0 reset : 19 T

    ... : 18 T
    ; bit1 reset : 16 T

    ... : 24 T
    ; bit3 reset : 16 T

    ... (so far)
    ; carry flag reset

    .b4b
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…

    ... more than likely that the Z80 and ULA are working (especially ... dark red lines too - the Z80's executed quite a bit ... , but the black paper after reset lasts an unusually short period ...
    Winston Winston July 2007 Hardware
  • Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…

    ... that since they changed the Z80, the multicoloured display suddenly ... multicoloured display equals "change the Z80" - which people who have ... vertical bars etc, then the Z80 must have done something. ... randomly populated with set and reset bits, and this can be ...
    DEATH DEATH July 2007 Hardware
  • +2B problem stillHi all, I have a spare +2B that still dont work. Richard kindly sent me 4 x 4464 ram chips but the +2B still dont work I have swapped over both ROM`s…

    ... both ROM`s and the Z80 for known working chips ans ... blank screen
    If i reset then same problem.

    Z80 is very warm and getting ... both ROM`s and the Z80.
    I thought that ... will get quite warm, the Z80 shouldn't get warm and ...
    DEATH DEATH July 2007 Hardware
  • 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…

    ... that in a moment), .tap, .z80, .zip, .rzx, I love ... appeared, and then the Spectrum reset. It's not a ... was called:

    MANICM.Z80

    then the ... you add a [I]SAVE .Z80 SNAPSHOT[/I] option? I ... save it as a .z80 file for instant future loading ...
    ewgf ewgf August 2007 Emulators
  • Spectrum games coming to the WiiJust received this [url]http://www.n-europe.com/news.php?nid=11037[/url] earlier this morning from my brother, who knows of my love of old compute…

    ... mod-chip (is using a soft-mod at the moment). I ... , I think). Also, you can reset the XBox anytime from the ...
    ewgf ewgf September 2007 Games
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... ensures the carry flag is reset on return from the function ... available memory segments in the z80's address space. (Note: some ... () to get memory; because the z80's address space is so ...
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Development
  • MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]

    ... :
    [LIST]
    [*]regarding the reset signal, Z80DMA in PLCC package ... has reset pin. Can you use it ... you design DataGear with Z80 DMA and Z80 CTC built in? Interrupt ...
    omega omega October 2007 Hardware
  • MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]

    ...
    [LIST]
    [*]regarding the reset signal, Z80DMA in PLCC package ... you design DataGear with Z80 DMA and Z80 CTC built in? Interrupt ... package and use extra pin RESET. Price is obviously similar ... in DIP package use too RESET function.

    DATA ...
    velesoft velesoft October 2007 Hardware
  • Best loading on a gameFor me, it has to be Technician Ted, with all those TT's walking across the screen. 2nd comes Skooldaze, only because I spent many MANY of my evenin…

    Although not a game, tape version of MDA by Busy Soft had a loader which synchronized itself with interrupt to do the "show the message when reset is pressed" trick while loading.
    Patrik Rak Patrik Rak October 2007 Games
  • Best loading on a gameFor me, it has to be Technician Ted, with all those TT's walking across the screen. 2nd comes Skooldaze, only because I spent many MANY of my evenin…

    ... version of MDA by Busy Soft had a loader which synchronized ... the "show the message when reset is pressed" trick while loading ...
    Tom-Cat Tom-Cat October 2007 Games
  • 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?

    ... have asked: on power-up/reset, is there a special copyright ... "NMI", the interface saves the Z80's state to its own ...
    zub zub November 2007 Hardware
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
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    rich_chandler on April 21
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    harriusherbartio on April 21
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    harriusherbartio on April 21
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    AndyC on April 21
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