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Search Again :: Adv Search 1000 results in 0.058s
<1…16171819202122…34>
  • Problem with assembled divIDE kits.Hello, I bought two divIDE kits from [url]www.divide.cz[/url] It took 7 weeks for them to arrive. I assembled the two kits, but unfortunately neith…

    ... a different edge connector pin out from other Spectrums. The documentation ... any device that tries to page in its own ROM).
    Winston Winston September 2007 Hardware
  • Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…

    ... them.

    [quote]
    out of interest what causes computers ... Electronics" note that line powered switch mode power supplies can fail ... to the capacitor manufacturer cheaping out and stealing someone else' ... was directed to the CD-ROM bay! This is just a ...
    Winston Winston September 2007 Chit chat
  • 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…

    ... careful with what you page in and out. Perhaps clear RAMTOP below ... use IN #7FFD for switch on 7MHz turbo mode for ... . And IN #1FFD for switch off turbo (3.5MHz mode ... value is writed to 128 page port(FF or attribut ... ignored. On my web page is new bug-fixed HAL ...
    velesoft velesoft October 2007 Development
  • Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…

    ... ]the keyboard is just a switch matrix, though. and I can ... and didn't short anything out, who knows. ULA chips are ... that to the 4116/4164/ROM/Z80CPU chips I've had ... but I'd suspect shorting out matrix pins from the same ...
    DEATH DEATH October 2007 Hardware
  • Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…

    ... into arbitrary sections and page them in wherever you ... on how you lay out the logic. For example ... chip (static RAM, EPROM, ROM, flash - whatever, it doesn ... do is connect your page select logic to line ... sections, by having your page select logic connected to ...
    Winston Winston October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... , how can i dump the rom?

    Cheers.[/ ... OUT port numbers to page the device in/out, clear some memory then page ... in, ldir out the 8K (or whatever) ROM ... code, page it back out ...
    DEATH DEATH October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... /OUT port numbers to page the device in/out, clear some memory then page ... in, ldir out the 8K (or whatever) ROM ... code, page it back out ...
    odious odious October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... />
    DI
    Code to page your device in - assuming the ... to 0 like the Sinclair ROM does, goes here:
    LD ... /> Code to page your device OUT and bring the 48K ROM goes here ...
    DEATH DEATH October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... as you have to page out the BASIC ROM, it'll have to ...
    Winston Winston October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... as you have to page out the BASIC ROM, it'll have to ...
    DEATH DEATH October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... i can get that code out?

    Cheers[/QUOTE]< ... n
    30 OUT n,0
    40 OUT n,255
    It may be that the ROM is paged in on execution ... ? in which case, OUT and IN might not page it in at ... all.

    Woody pointed out to ...
    zub zub October 2007 Hardware
  • Recent Returnee to the spectrum fold needs hardware adviceHi all. Thanks for taking the time to read this. This is my first post to this forum after I stumbled on this site just a few weeks ago, i only reg…

    ... /> So I immediately checked out you shop page but again I was ... find that you've sold out! I seem to be ... speccy requirements kind of sorted out. If I do turn up ... you able to burn spectrum ROM's? I probably don't ... who says he has designed out most of the bugs also ...
    Modern Games are rubbish! Modern Games are rubbish! October 2007 Hardware
  • A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…

    ... ). It also traps 0x0700 to page out. To prevent conflicts, some pieces ... that various different bits of ROM-equipped hardware trap?

    ROM to work with an Interface ... all hardware with a shadow ROM use that system variable?)
    guesser guesser October 2007 Hardware
  • A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…

    ... Oxford this weekend and find out how it works. I also ... 1. Any hardware with a ROM in it needs to at ... need a jumper or a switch to allow traps to be ...
    Winston Winston October 2007 Hardware
  • Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…

    ... =5 GOTO 100
    40 OUT 32765, 16 + Z
    50 ... (so the stack is in page 5, along with your BASIC ... 't check the memory in page 5, coz that's where ... . And add 16 to the page number you want paged in ... ensures that the 48k BASIC rom is paged in too.
    icabod icabod October 2007 Hardware
  • Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…

    ... paging, but basically the ram-page that's in address 49152 ... bits of the value sent out to port $7ffd (32765). The ... of the value selects the ROM that's used... if you ... ) then you'll page out the 48k BASIC ROM, and your program will ...
    icabod icabod October 2007 Hardware
  • SAM gets ethernetWhilst off topic - head over to [url]www.samcoupe.com[/url]. Colins got his ethernet board for the SAM available to buy and some interesting news ab…

    ... whole mess once I figure out the logic that's ... in 8K pages, and any page (ROM, RAM, W5100 buffer) should ... RAM in 0x0000-0x1FFF, ROM in 0x2000-2FFF) for greatest ... space of Spectrum ROM, and will cause a ROM page-in) so ... can't be sorted out in a sane and ...
    Winston Winston October 2007 Hardware
  • Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…

    ... does not page in with PEEK, POKE, IN and/or OUT, it ... one of IN 11182 or OUT 11182 (I'm not sure ... been used when dumping the ROM, but as it's only ... an 8K ROM, I can't be sure ...
    zub zub October 2007 Hardware
  • How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…

    ... done through the IN and OUT instructions. An interrupt would ... instead of IN and OUT. The only device for ... in" over the Spectrum ROM when it is needed. This ... in the Spectrum ROM. Sometimes, IN and OUT can be used ... allowing the device to page itself out.
    zub zub November 2007 Development
  • 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?

    ... method of paging in the ROM. You've got two ... there will be an OUT instruction that will page it in.
    ROM can be paged into the ... the IF1 and calls IF1 ROM code, then on return pages ... stripes if you remove the ROM from a Speccy and power ...
    Winston Winston November 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?

    ... will be an OUT instruction that will page it in.[/QUOTE ... needs to call the Spectrum ROM, though, to call the ... to the IF1 shadow ROM or the Spectrum ROM).

    ... if you remove the ROM from a Speccy and ... around $0000 in the Mirage ROM — and if there's ...
    zub zub November 2007 Hardware
  • The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…

    ... will reduce the number of page latches required in the CPLD ... shadow ROMs can still use OUT/IN instructions to acccess the ... the eventual ethernet board's ROM and RAM, and then only ... 4 more I/O ports out of the 128 usable, without ...
    lordcoxis lordcoxis November 2007 Hardware
  • The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…

    ... 6 port addresses (low page register, high page register, W5100 mode ... to page in the W5100 when the DivIDE is paged out. I ... entry points in the last page of ROM address space (or perhaps ... >=0x3Fxx and page in socket library ROM page and RAM workspace. ...
    Winston Winston November 2007 Hardware
  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…

    ... message:

    "This flash page looks to be used. Trying ... first few bytes of the page).
    Continue anyway? "

    Reprogramming flash util to page 4
    Done!
    Press ... program in the external ROM by:

    OUT 31,36
    georgedb georgedb November 2007 Hardware
  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…

    ... on 'Spectrum'. Also, use OUT 63,x where x is ... to show. If doing OUT 63,255 lights all the ... Doing OUT 31,x and nothing happening shows that the ROM is ... like the IO decoding for page ins is not working ... work unless M1 is jumpered out. (Both jumpers should have ...
    Winston Winston November 2007 Hardware
  • So... who's got a Wii then?We've got one :-D Have had it for almost 2 weeks now. Only got RE4, Brain Training and the Sonic game so far (aswell as the obvious Wii Sports). B…

    ... router switch on the Wii, go to the settings pages, on page ... 't mean you should go out and buy one now, that ...
    VincentAC VincentAC December 2007 Chit chat
  • splib2 from ROMI'm trying to generate IF2 ROM games for ZX Spectrum 16K using z88dk + splib2. So far I've managed to create a new crt0 file and to generate valid RO…

    ... of the rotation table in ROM, sp_Initialize() will try to ' ... It may be easier to switch to SP1 (it has the ... deal, I can do the out 254,0 myself), sp_AddMemory, ... this (it's a simple OUT) or you can do ... your own OUT to set border colour. ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Development
  • sinclair zx spectrum issue 6a (again) - how to repairHi All, Is there someone who may explain what these jumpers can be used for. [url]http://forest.no-ip.org/repair/jumpers.gif[/url] <- this is from …

    ... of these, you can swap out for testing.

    The ... high). TR7 is used to switch 9V to the speaker to ... H/N jumpers select which ROM type the system has, Hitachi ... time, or you'll short out the +5V supply.

    Phu Phu February 2008 Hardware
  • Hardware fault - HELP!I bought a speccy 48K (rubber) on Ebay. I was delighted when it arrived. It was in PRISTINE condition, it looks brand new! However, the machine has a…

    ... is a 5 x 8 switch matrix, and is read using ... of the tail will take out several keys. The 5 conductor ... documentation link on the front page - or click here:
    [url ...
    Winston Winston February 2008 Hardware
<1…16171819202122…34>

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