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<1…14151617181920…34>
  • 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…

    ... which) toggles the ?Source's paging. I had assumed that PEEK ... been used when dumping the ROM, but as it's only ... an 8K ROM, I can't be sure ...
    zub zub October 2007 Hardware
  • 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…

    ... In the standard speccy 48K ROM these are the "spare" ... Roll" saved using the standard ROM SAVE routine, rather than turbo ... routine. It calls the 128K paging routine, and it copies some ... wrapping around back into the ROM area. Perhaps this has something ...
    Digital Prawn Digital Prawn November 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?

    ... suggest any means of paging the interface in, ...
    Actually, the ROM dump isn't the important ... /> [LIST]
    [*]The Spectrum ROM? ? nope, $3800 is in ... [*]The Microdriver's ROM? ? the ROM dump I have isn ... in the Microdriver's ROM?
    [*]The Microdriver ...
    zub zub November 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…

    ... matter of the device's ROM and/or RAM, if it ... the device to have its ROM/RAM be "paged in" over ... the Spectrum ROM when it is needed. This ... ROM. Sometimes, IN and OUT can be used to control the paging ...
    zub zub November 2007 Development
  • 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…

    ... which) toggles the ?Source's paging. I had assumed that PEEK ... been used when dumping the ROM, but as it's only ... an 8K ROM, I can't be sure ... ) did toggle the ?Source's paging (uSource presumably doesn't monitor ...
    BloodBaz BloodBaz November 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…

    ... 'd extract from such a ROM or EPROM would have:[LIST ... to page the device's ROM in, would be to page ... (above 32768, for example), paging the device ROM out, and then saving ... processor actually *does* read the ROM correctly (it has to for ...
    Marcelo Marcelo 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?

    ... execution at $0038 toggles paging and I/O to port ... of which is paging out the IF1 ROM so that the ... standby state. The Microdriver ROM is actually paged out ... space, though. There's ROM from $0000-$0FFF, RAM ... $2000-$27FF, and probably ROM from $3000-$3FFF, but ...
    zub zub 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?

    ... where execution at $0038 toggles paging and I/O to port ... about the method of paging in the ROM. You've got two ... RAM, since only one ROM can be paged into the ... the IF1 and calls IF1 ROM code, then on return ... 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?

    ... about the method of paging in the ROM. You've got ... needs to call the Spectrum ROM, though, to call the ... to the IF1 shadow ROM or the Spectrum ROM).

    ... stripes if you remove the ROM from a Speccy and ... around $0000 in the Mirage ROM — and if there's ...
    zub zub November 2007 Hardware
  • Speaking of encrypted Roms from interfaces...Is the MicroSpeech Rom encrypted too? When examining it I've always wondered how they can print the Currah copyright on screen when there's no readab…

    ... the interface to get the ROM dump instead of trying to ... be able to read the ROM adequately!), then you can go ... you use to read the ROM) a little proggie that would ... pain to find out the paging mechanism for the particular interface ...
    Marcelo Marcelo 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…

    ... unused space in the Spectrum ROM starts. The CPLD will trap ... and page in socket library ROM page and RAM workspace. A15 ... ). BASIC traps (i.e. lower ROM traps) disabled with the jumper ... high to stop other ROMs paging in), paging latches on downstream devices ...
    Winston Winston November 2007 Hardware
  • DivIDE HelpHi all, After a rather long wait my DivIDE from Papaya labs arrived. I connected it to my spectrum, turned it on and...nothing. The green power LED…

    ... GALs have registers?) and paging out the Spectrum ROM.

    With ...
    Winston Winston February 2008 Hardware
  • DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…

    ... on DivIDE. Also some use ROM routines, but they jump later ... 48k Basic but with 128k paging enabled - there you do a ...
    Tom-Cat Tom-Cat February 2008 Hardware
  • DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…

    ... it replaces the Spectrum's ROM.[/QUOTE]

    ... replaces the Spectrum's ROM. The snapshot holds all ... snapshots this also means the paging 'registers', AY 'registers' ... doing something in the rom. But the talk here ... them rely on 128k ROM's... atleast none ...
    Tom-Cat Tom-Cat February 2008 Hardware
  • DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…

    ... s menu because of the ROM traps for LOAD/SAVE ... fine when the 48k Basic ROM is paged in - normally ... .
    BUT - the 128k ROM's have some other routines ... 128k ROM's are disabled at the start (altough 128k Paging ... to be triggered when 128k ROM's are paged in, ...
    Tom-Cat Tom-Cat February 2008 Hardware
  • DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…

    ... s menu because of the ROM traps for LOAD/SAVE ... fine when the 48k Basic ROM is paged in - normally ... .
    BUT - the 128k ROM's have some other routines ... 128k ROM's are disabled at the start (altough 128k Paging ... to be triggered when 128k ROM's are paged in, ...
    rwap rwap February 2008 Hardware
  • Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…

    ... want to use the ROM routines for paging.[/QUOTE]

    Thanks ...
    Digital Prawn Digital Prawn March 2008 Development
  • Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…

    ... +$02) is the way the ROM keeps track of which screen ... the 128K BASIC editor environment "paging" my code out of main ...
    Digital Prawn Digital Prawn March 2008 Development
  • Spectrum Ethernet update...in which a toastrack 128K machine prods a machine outside of my LAN for the first time. [url]http://spectrum.alioth.net/doc/index.php/Current_eve…

    ... likely to be short of ROM space, in which case ... a 128k flash chip for ROM (specifically, the AMD Am29F010 ... 128x8 ). Both ROM and RAM on the board ... two paging areas. It's also my intention to have ROM ... to add their own ROM modules in any left ...
    Winston Winston March 2008 Hardware
  • Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS) -------------------- In the +3, we have crammed in more than twice the amount of memory…

    ... contention of the "normal" RAM paging, with a screen at 16384 ... disk. I had a custom "ROM" with various Speedlock loaders in ...
    mjwilson mjwilson March 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... memory-paging state on startup, usage of SRAM by any ROM-based ...
    glancaster glancaster March 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... with MB02+ memory paging (512kB version without rom support or full 1MB ... with 512kB SRAM+next 512kB rom/ram)

    VELESOFT
    velesoft velesoft April 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... with MB02+ memory paging (512kB version without rom support or full 1MB ... with 512kB SRAM+next 512kB rom/ram)[/QUOTE]

    This ... ResiDOS only supports SRAM, not ROM/EPROM/FlashROM, so adding this ...
    glancaster glancaster April 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... on entry, C contains the paging port ($17) and B contains ... from $0036-$0037. The Flash ROM in ZXMMC+ uses this method ...
    glancaster glancaster April 2008 Development
  • BetaDisk InterfaceHi, I have a beta disk interface - alas it must be one of the earlier versions and will not work with a 128K spectrum. Does anyone know if I can ge…

    ... [1] so just reprogramming the ROM won't make it magically ... ] IIRC, the original does its paging magicary in the $3cxx area ...
    Jon Needle Jon Needle April 2008 Hardware
  • BetaDisk InterfaceHi, I have a beta disk interface - alas it must be one of the earlier versions and will not work with a 128K spectrum. Does anyone know if I can ge…

    ... [1] so just reprogramming the ROM won't make it magically ... ] IIRC, the original does its paging magicary in the $3cxx area ...
    velesoft velesoft April 2008 Hardware
  • BetaDisk InterfaceHi, I have a beta disk interface - alas it must be one of the earlier versions and will not work with a 128K spectrum. Does anyone know if I can ge…

    ... [1] so just reprogramming the ROM won't make it magically ... ] IIRC, the original does its paging magicary in the $3cxx area ...
    rwap rwap April 2008 Hardware
  • 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 …

    ... me access to the ROM. Unfortunately the documentation that ... RAM) and a 4K ROM which would appear to ... located 0000-0FFF. The ROM pages all over the ... 48K ROM should be paged in!

    The paging mechanism ... but from examining the ROM the code has to start ...
    Jimmy Jimmy April 2008 Hardware
  • FAST and SLOW .TAP loading in RESIDOSWhy is in RESIDOS this TAP file loaded always too slow ? (with lines in border area). Other TAP files on my drive is fast loaded, but loading this fi…

    ... to save data from the ROM area.[/QUOTE]

    RESIDOS can in ROM area disconnect external memory and ... use original ZX rom data for saving.
    paging port, only jump to ... to correct page with zx rom ? All NMI routines ...
    velesoft velesoft May 2008 Development
  • FAST and SLOW .TAP loading in RESIDOSWhy is in RESIDOS this TAP file loaded always too slow ? (with lines in border area). Other TAP files on my drive is fast loaded, but loading this fi…

    ... 268025]RESIDOS can in ROM area disconnect external memory and ... use original ZX rom data for saving.
    ... to save the original ZX ROM - they might "want" ... page), loading to the ROM area is ignored [U] ... not use reset of MB02 paging port, only jump to ...
    glancaster glancaster May 2008 Development
<1…14151617181920…34>

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HitBox

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