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Search Again :: Adv Search 1000 results in 0.038s
<1…15161718192021…34>
  • Retargetting the Z88dkWell, I'm asking here because it's come up before, and I assume someone here might know the answer... I'm trying to retarget the Z88DK for the Z80 b…

    ... for my platform, and test out integer maths (but unfortunately, printk ... 'd like to build my ROM with the z88dk - essentially make ... the often used functions in ROM so that programs in RAM ... of the first 16K page of my ROM as it is (just ... work if they are in ROM!)
    Winston Winston March 2007 Development
  • Retargetting the Z88dkWell, I'm asking here because it's come up before, and I assume someone here might know the answer... I'm trying to retarget the Z88DK for the Z80 b…

    ... we've all run out of gas for the moment ... for my platform, and test out integer maths (but unfortunately, ... d like to build my ROM with the z88dk - essentially ... of the first 16K page of my ROM as it is ( ...
    In terms of a ROM, you can "place" static variables ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Development
  • Multiface ResidentI'm thinking about adapting some existing code to be Multiface "resident"... but being perfectly honest I'm not quite sure where to start. Any top t…

    ... />
    in a,(191); page multiface RAM 'IN'
    ;Multiface ...
    in a,(63); page Multiface RAM 'OUT'
    ;Multiface 48 is ... paging out).

    Just remember if your code uses ROM ... routine or copy/modify the ROM routine into the RAM ...
    Mr. Anonymous Mr. Anonymous March 2007 Development
  • About the Cronosoft GamesHello everybody, I just want to comment one thing that happens with the Cronosoft Games. I Load them on my Spectrum+2A and I have seen that most of t…

    ... happily on the title-page now for the last ... doesn't perform any page switching apart from a quick ... -chip, or do any page switching (I only had ... used a lot of ROM routines, where FJIHH doesn ... that probably rules out any problem regarding your ROM.

    bobs bobs March 2007 Games
  • ResiDOS v2.00 releasedI've just posted a major new release of ResiDOS, at: [URL="http://www.worldofspectrum.org/residos/"]http://www.worldofspectrum.org/residos/[/URL] T…

    ... RAM plus 2x16K ROM available in the ROM area.[/QUOTE]
    [QUOTE]Although some different page handling would be required. Worth ... do two port outputs to switch between some bank combinations. ... temporarily writeable". So real ROM isn't actually any good ...
    glancaster glancaster April 2007 Hardware
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... ve tried paging in the ROM (both by jumpering it ... and by issuing the right OUT instruction) and I think it ... and just stuck in a ROM from my embedded Z80 project ... ll try putting a Speccy ROM in the flash chip ... pin 11 of the memory page select register's chip ...
    Winston Winston April 2007 Hardware
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... be. But it turned out to be much less of ... pin 11 of the memory page select register's chip socket ... to dig the defective pin out and replace it which ... it for toggling the BASIC ROM chip select line.
    ... it comes to the Currah ROM chip select line ( some ...
    Marcelo Marcelo April 2007 Hardware
  • NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …

    Nono, I meant YOUR rom - if your device has one :) ... thing thats done is your ROM gets paged into the $0000 ... you want and page out somehow. During the time your rom is paged ...
    Tom-Cat Tom-Cat April 2007 Hardware
  • NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …

    ... ;182161]Nono, I meant YOUR rom - if your device has one ... thing thats done is your ROM gets paged into the $0000 ... you want and page out somehow. During the time your rom is paged ...
    Dr BEEP Dr BEEP April 2007 Hardware
  • NMI : especially PitersHello Piters, here the link to your NMI-button. [url]http://members.tripod.com/~piters/nmibutto.htm[/url] I don't understand your reason to place …

    Ahh, my bad. I thought you have the original rom in-tact for compatibility and page in/out only on load/save/nmi traps as divide does.

    TC
    Tom-Cat Tom-Cat 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…

    I'm writing the web page for it now (well, ... even if you took out the ROM and all the RAM ... br />
    The flash ROM can also be programmed by ... selects whether the Spectrum ROM is paged in on ... a general purpose ROM board, an OUT instruction will page in any ...
    Winston Winston April 2007 Hardware
  • Personal Gaming History in (very) Brief'79:PrinztronicMicro5500 --> '80:PlayedCoinOp(Space Invaders) --> '83:Spectrum(48K) --> '84:Spectrum+(kit) --> '86:Spectrum128 --> '88:AtariST --> '9…

    ... GameBoy to stop me going out, so I could save for ... floppy discs containing pictures of page 3 girls !!!!!!!!! and also a ... for a dual speed CD Rom drive. £85 for a sound ...
    murtceps murtceps April 2007 Games
  • Is Ferranti still alive ?And if not......why should there be any restrictions on manufacturing the ULA ?

    ... you can page in the other bits of the ROM too rather ... using it as a 16K ROM substitute, and an FPGA for ... of CPLDs). Dump the TV out altogether, and provide RGB for ...
    Winston Winston May 2007 Sinclair Miscellaneous
  • ULA chipHi. Where i can find a ULA 6C001E-6 chip for an 3B issue Speccy ? Also looking for one 7805 heatsink... Thank

    ... As your auction link points out, sometimes you get a ... you say you wanted a ROM chip the other day? ... you generous offer about the ROM, I really appreciate it ... .
    Just one ROM chip is not going to ... If you know of a page with information about that, please ...
    gtsamour gtsamour May 2007 Wanted
  • 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,…

    ... program it with a testing ROM!) The flash tool allows the ... is designed to live in page 4 of the flash chip ... tool is invoked by typing OUT 31, 36
    Winston Winston May 2007 Hardware
  • InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…

    ... in the Spectrum ROM, the paging in circuitry will switch.

    ROM (and RAM?) and assign a ... which you trigger using an OUT command may only "monitor" only ... change the border using any OUT address that is even (i ...
    BloodBaz BloodBaz May 2007 Emulators
  • InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…

    General ROM paging is all done in ... chip in a Spectrum (both ROM and RAM) has what are ... , this will either be the ROM chip (for addresses < 16384 ... />
    Concentrating purely on the ROM, when the Spectrum reads from ...
    Winston Winston May 2007 Emulators
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... #3Dxx range. It gets paged out when an instruction is fetched ... for direct access to Betadisk ROM because it contains NOP:RET ... being executed, TR-DOS ROM gets paged out (since we jump to ... RAM physical page #0 instead of ROM. This locks out any ROM page, even TR ...
    Sonic Sonic May 2007 Hardware
  • Does anyone else find Dan Brown suspect?Don't get me wrong, he's a good entertaining [i]fiction[/i] writer -- as long as the emphasis is on "fiction"; unfortunately, he has the annoying hab…

    ... a further teaser, here's page two:

    [[I]Henry ... , and he pressed the ON switch which was a feature of ... are four more Loki's out there somewhere with that code ...
    ewgf ewgf May 2007 Chit chat
  • 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,…

    ... little simpler by omitting the ROM page register (one of the octal ... expensive. The board is laid out as it is to make ...
    Winston Winston June 2007 Hardware
  • TS2068 Emu CartAlert! alert! Andrew and Bruno may be interested in this if you haven't already seen it. [url]http://cgi.ebay.com/ZX-Spectrum-emulator-cartridge-for-…

    ... a version of the Speccy ROM with the appropriate code at ... to having to switch it in with an OUT command) if anyone ...
    jboatno4 jboatno4 June 2007 Sales
  • Another TS Emu CartLooks like the one I have. [url]http://cgi.ebay.com/TC2068-Cartdrige-48K-emulator-for-Timex-Computer-2068_W0QQitemZ250133271074QQihZ015QQcategoryZ124…

    ... I found Jarek's page describing the difference between the ... />
    As he points out, Timex Portugal made two changes ... match the Spectrum's rom disable signal which can ... in by the Spectrum ROM on cartridge, which is ... be enabled with an OUT 244,3 command to ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Sales
  • Emulating the Plus3e in SpinHi. At the weekend I finally got my ass in gear and started to go through my many +3 discs, with the aim of transferring a lot of the content to a CF…

    ... said, I'll try EightyOne out later and see if I ... of matching up the +3e ROM with the hardware that is ... image downloaded from the +3e page. My image doesn't work ...
    icabod icabod July 2007 Emulators
  • 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…

    ... I'm not holding out too much hope of ... t have a home page, it lives on Gasman ... trying to achieve Spectrum ROM compatibility. OpenZX avoids this ... transcribing) the Complete Spectrum ROM Assembly, and have even ... points, not to find out how it accomplished particular ...
    gasman gasman July 2007 Hardware
  • How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …

    ... of a routine that will page in a bank of RAM ... a routine that pages ANY page I select into the top ... machine some momths ago, page it back out then do it again ... that routine in the 128 ROM is as simple as the ... one in the 48K ROM, it's not going to ...
    DEATH DEATH July 2007 Development
  • How about making a diagnostic program for 128k speccys?Hi guys, I was just chatting with DEATH today about a problem i had with my 128 heatsink spectrum and the need for a 128k speccy diagnostic program …

    ... is already a 128K testing ROM available - I've used it ... routine though, it was pointed out to me by someone else ... can just flash it into ROM page 0 of the board, plug ...
    Winston Winston July 2007 Development
  • machine IDs for .z80 snapshotsHi, is there s.o. officially in charge for the .z80 file format? while upgrading zxsp's save_z80 routine i added new machine IDs for the Specci vari…

    ... changes, and we sort out here whether we think they ... .
    Also a custom rom for the TC2048 may be ... is 24K, or a custom rom for the +2A/+3, ... as a +2A with custom rom ... if this was supported ... /> Basically the z80 file format page at WoS (and else) could ...
    Kio Kio August 2007 Emulators
  • switchable ROM`sHi all, As I own a few Spectrum and Commodore computers, I am wandering a few years ago on the C64 there was a switchable ROM the normal C64 and a Ji…

    ... was thinking of a ROM that has got more ... Or how about an external ROM that can be plugged into ... but there is much better out there. I don`t ... a Spectrum ROM surely?
    A custom ROM that can ... Gosh Wonderful ROM and of course, Philip Kendall's web page. [ ...
    DEATH DEATH August 2007 Sinclair Miscellaneous
  • switchable ROM`sHi all, As I own a few Spectrum and Commodore computers, I am wandering a few years ago on the C64 there was a switchable ROM the normal C64 and a Ji…

    ... ). The mechanism to switch is rather basic, though (an OUT command). Compatible ... ROMs, such as the Gosh Wonderful ROM and ... the normal Speccy ROM can be switched ...
    Winston Winston August 2007 Sinclair Miscellaneous
<1…15161718192021…34>

Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
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out 128K 166.7K
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