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<1234567…34>
  • How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …

    ... this address.
    Checking if paging is disabled? But this doesn ... somewhere that SPECTRUM doesn't disable paging.
    Read bit 4 of ...
    Unique Unique March 2005 Emulators
  • Some \"newbie\" questions about the Spectrum +2I bought a +2 last week. I had never owned any of the 128k Spectrums before, nor seen them in action. I have a couple of questions; 1) Do all 128k …

    ... - page locked and page unlocked. Paging is what allows access to ... so any game that uses paging would not work in page ... is why the ability to disable paging was included in the first ...
    Anonymous Anonymous June 2002 Games
  • My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …

    ... /> D4 - ROM select
    D5 - Disable paging (and epaging? Might be useful ... low)

    F9 - extended paging

    D0...D7 - select ... /> F8 - EPROM, more extended paging and video paging

    D0 - ...
    cyborg cyborg October 2002 Sinclair Miscellaneous
  • How to detect 48k modeHow can you detect if a 128k machine is in 48k mode (from an emulation point of view, not via BASIC or machine code)? Checking the current rom? But …

    ... the emulated Spectrum; if the paging hardware is locked (b5=1 ... , the BASIC statement SPECTRUM does disable paging.

    Two notable exceptions ...
    Luca Luca March 2005 Emulators
  • Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…

    ... code on real ZX128/+2 disable paging port, set videoram 2 + page ...
    velesoft velesoft July 2008 Games
  • Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…

    ... /> D4 = rom
    D5 = disable paging
    D6 = unused
    D7 ... is used for disable paging)
    D3 = 1 - disable rom and connect ... /> D4 = rom
    D5 = disable paging
    D6 = unused
    D7 ... D4 = rom
    D5 = disable paging
    D6 = unused
    D7 ...
    velesoft velesoft August 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... in 48kB mode (I must disable paging on port 7FFD) or can ...
    velesoft velesoft November 2010 Hardware
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ... crash. The patch also disables paging allowing some games to work ... Wulf etc.

    RAM paging mode 4 5 6 3 ... ),a
    ld b,07Fh ; Disable paging
    ld a,00100000b
    ASM ASM November 2010 Announcements
  • Games filled with snow....I've just been playing Colin Mcrae Rally 2005 on the Xbox, and was driving the Swedish Rally, which is all very snowy and similar to the roads outsid…

    ... page in high 16kB and disable paging port 32765 = switch your ZX ...
    velesoft velesoft November 2010 Games
  • Fusetest port 0x7FFD test resultsHi, I'm adding the Spectrum 128K emulation to my FPGA core running on the V6Z80p platform. I'm doing some tests; running Fusetest, the machine is se…

    ... 've written 0xff to the paging register, probably from the floating ... I'm REGISTERING the bit5 (disable paging) only when the IORQ_n Z80 ...
    adorigatti adorigatti May 2012 Emulators
  • Fusetest port 0x7FFD test resultsHi, I'm adding the Spectrum 128K emulation to my FPGA core running on the V6Z80p platform. I'm doing some tests; running Fusetest, the machine is se…

    ... I'm REGISTERING the bit5 (disable paging) only when the IORQ_n Z80 ...
    Arjun Arjun May 2012 Emulators
  • 128kB snapshot on ZX48kBWhat is best way for 128kB snapshot loading on 48kB models ? Some Z80 snapshots are 128kB versions (Z80 v2 or v3) but contain 48kB games. Same proble…

    ... zx128 use ram page 4 + disable paging), then it's snapshot of ...
    velesoft velesoft August 2012 Emulators
  • More tea, vicar on disk?Hello, can somebody help me putting the 128k version of this game on disk? The 128k version is free available from Jonathans Webseite. However, the g…

    ...
    res 4,(iy+1) ; disable paging (free printer buffer)
    ld ...
    FrankT FrankT June 2013 Sinclair Miscellaneous
  • List of useful POKEs?Hi all. :smile: Just out of curiosity, does anyone know of a thread/file somewhere here containing a list of useful POKEs? Stuff like POKEs to make …

    ... .

    It does not disable paging mechanisms, so using printer buffer ...
    Zup Zup July 2013 Sinclair Basic
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... area, making it necessary to disable paging explicitly, because it also uses ...
    Ast_A_Moore Ast_A_Moore February 2020 Games
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... area, making it necessary to disable paging explicitly, because it also uses ...
    Mousey Mousey February 2020 Games
  • Dynamite Dan II - Island 6 - HELP!Hi all, can someone possibly create a snapshot of Island 6 (car park island) on Dynamite Dan II for me please? I'm trying to work out why half the…

    ... ). Or from 128 program, disable the 128 paging and write 256 zeroes ... Loader.

    Code to disable paging and clear printer buffer:
    res 4,(iy+1) ; disable 128k paging
    ld hl,$5b00
    FrankT FrankT December 2020 Games
  • 128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…

    ...
    [code]
    ; 128 rom paging routine
    ; use rst 28h ... />
    ;;rom0

    paging
    org 0x0028
    ld ... port address
    di ; disable interrupts for page
    out ... address
    di ; disable interrupts for page
    out ...
    chev chev August 2008 Development
  • Paging questionI've a question regarding paging on the Spectrum 128K, +2, +2A, +3, etc, etc. Suppose we are running a program in the page that happens to be.. well,…

    I've a question regarding paging on the Spectrum 128K, +2, + ... a real Spectrum ? Or is paging fast enough for the processor ...
    GOC GOC August 2003 Sinclair Miscellaneous
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ... extract the codes, not to disable it !), after all, although it ... any complicated features such as paging.

    But... although I ...
    GOC GOC August 2003 Sinclair Miscellaneous
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …

    ... problem getting my brain around paging. Well, actually the bit I ... /> Port 32765 controls the memory paging. Bits 0-2 determine the ...
    trellis trellis August 2003 Sinclair Basic
  • Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…

    ... glitches, especially in matters of paging.
    6. The generated code ... :

    I thought the paging system for the RAM on ... different in matters of RAM paging.

    And, Cyborg, yes ...
    GOC GOC November 2003 Development
  • Help! BREAK KEY disable?Someone has asked me... Is there a poke or routine to disable the Break key in 128K BASIC?

    Someone has asked me... Is there a poke or routine to disable the Break key in 128K BASIC?
    chaosmongers chaosmongers July 2005 Development
  • ROM paging questionAssuming the Spectrum 128 memory map and port addresses, but two custom ROMs in place of the normal Editor and BASIC, what is the most efficient way …

    ... ROM-1, which means the paging code needs to skip those ... /> The RAM part of the paging routine should live at 23296 ...
    chev chev January 2006 Development
  • Z80 -- disable printing?Does anyone know a way (config setting or patch) to disable ZX Printer emulation in Gerton Lunter's Z80 version 4? Without disabling RS232 (print-to…

    ... (config setting or patch) to disable ZX Printer emulation in Gerton ...
    robert@fm robert@fm August 2006 Emulators
  • Q. on WinXP logon screen (how to disable?)Aaaargh! I am sitting in front of an annoying computer. It's driving me crazy! How the f-in A does one disable the stinking logon screen (the "cla…

    ... f-in A does one disable the stinking logon screen (the ...
    Skarpo Skarpo September 2006 Chit chat
  • Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…

    ... in a similar way to disable all onboard memory - like ROMCS ... , as then you could selectively disable CPU access to any piece ...
    Jonathan Harston Jonathan Harston June 2007 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…

    ... . I am just messing with paging memory in and out (not ...
    carlinski carlinski September 2007 Development
<1234567…34>

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HitBox

Word Docs Hits
disable 1.8K 2.2K
paging 1.7K 2.4K

Related Threads

  • Paging questionI've a question regarding paging on the Spectrum 128K, +2, +2A, +3, etc, etc. Suppose we are running a program in the page that happens to be.. well,…
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
  • Tough paging questionOK... Take this:<br /> <br /> 1. We have a program compiled and run from within GENS under a Pentagon 128K environment.<br /> 2. The program works pe…
  • Paging jil (Mr. SpeccySpoilers)I've noticed that you have a new(?) email address since I last sent stuff; do I have to resend the Cylu ending, or has it safely arrived?
  • Disable BREAK 128 basicDoes anyone know how to prevent BREAK in 128k basic?
  • Help! BREAK KEY disable?Someone has asked me... Is there a poke or routine to disable the Break key in 128K BASIC?
  • Paging Doctor IcemannHello..<br /> <br /> Does anyone know where I can get hold of someone going by the name "Doctor Icemann"?<br /> <br /> He/she contacted me with some …
  • ROM paging questionAssuming the Spectrum 128 memory map and port addresses, but two custom ROMs in place of the normal Editor and BASIC, what is the most efficient way …
  • Z80 -- disable printing?Does anyone know a way (config setting or patch) to disable ZX Printer emulation in Gerton Lunter's Z80 version 4? Without disabling RS232 (print-to…
  • Q. on WinXP logon screen (how to disable?)Aaaargh!<br /> <br /> I am sitting in front of an annoying computer. It's driving me crazy! How the f-in A does one disable the stinking logon scre…

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