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<1234567…34>
  • Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…

    ... +3DOS calls when running in USR0 mode?

    I ask because ... in the DOS_OPEN call in USR0 mode when it works fine from ... Spectrum) but no joy in USR0 mode.

    The paging part ... /> In both +3 basic and USR0 mode I'm doing a CLEAR ...
    cmonkey cmonkey October 2011 Development
  • Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…

    ... with the DivIDE, which employs USR0 mode by default, therefore that method ... far as I know, in USR0 mode. But it did not work ...
    Alessandro Grussu Alessandro Grussu September 2013 Development
  • ZX games that work only in the USR0 modeExist list of ZX games that can't be loaded from 128 menu/128 editor/+3 basic ? (I need all games that need be loaded from USR 0 mode).

    Exist list of ZX games that can't be loaded from 128 menu/128 editor/+3 basic ?
    (I need all games that need be loaded from USR 0 mode).
    velesoft velesoft September 2011 Games
  • New SPIN Update released (v0.1c)Hi all (again)! Here's the release for SPIN 0.1c, as detailed in CSS: --------------------------------------- Spin gets another, much smaller …

    ... in 128k mode, the snapshot will be loaded into a Usr0
    48k Usr0 mode demos now load properly if ...
    Dunny Dunny May 2002 Emulators
  • ANN: Spectaculator 3.0 beta 1It looks like I won't have time to work on Spectaculator for a while as it seems I've become a Dad - whahooo! :) What I'd though I'd do is release t…

    ... file, the Spectrum autoloads in usr0 mode -
    useful for some demos ...
    Jon Needle Jon Needle September 2002 Emulators
  • ZX Spin 0.3 ReleasedStandard Cut'n'Paste from CSS post again! I can't get to my webpage, so I've uploaded SPIN0.3 to WOS, Alt.Binaries.Comp.Sinclair, and also Daren Pea…

    ...
    programming BASIC in 48k Mode, and has a command finder ... CTRL to load tapes in Usr0 mode... Hi Jon! :)
    Added TZX ...
    Dunny Dunny September 2002 Emulators
  • [NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…

    ... br />
    o Fast emulation mode - up to 20x normal speed ... when encountering "Stop if 48k mode" blocks
    in the ... cassette recorder when in 128k mode.

    o ... the Spectrum
    autoloads in usr0 mode - useful for some demos. < ...
    Jon Needle Jon Needle January 2003 Emulators
  • ALIENATE - final version of the ZX-demo! (MOD music!)Hi there! Next new-school demo from HOOY-PROGRAM is here: [url="http://republika.pl/hooyprogram/alienat.zip"]http://republika.pl/hooyprogram/alienat.…

    ...


    128k required. USR0 mode. You know the score.
    Remember to load it via 'usr0'!!

    Soon will be ...
    Yerz Yerz August 2003 Sinclair Miscellaneous
  • MysteryHow the hell did the Czech Fuxoft music demo "Soundtrack 4" get translated into English and appear on a UK cover tape? It said "This is a 48K Program…

    ... 128K Spectrum or higher in USR0 mode. How ironic. Was there a ...
    Swevicus Swevicus November 2005 Sinclair Miscellaneous
  • +3 disc imaging (idea + SDP)Following a bit of research, which you can probably see in the "old code" thread, I had an idea for a bit of software that may be useful (for me, and…

    ... it could be run from USR0 mode, which is the default if ...
    icabod icabod April 2006 Development
  • Antique Toy 2007Hi all. The guys of the Antique Toy 2007 competition have asked me to make a TAP version of their program that shows off all the competition entries…

    ... normal LOAD mode, but it works flawlessly in USR0 mode (type USR0 in 128k ...
    Tom-Cat Tom-Cat November 2007 Sinclair Miscellaneous
  • Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…

    ... a 48K, but is in USR0 mode, which I gather is some ... sort of weird hybrid mode, 48K editor but with 128K ... does SPECTRUM still work in USR0? Is it possible to get ... /> Do 48K games work in USR0?


    Also, does ...
    Alien 8 Alien 8 October 2010 Hardware
  • Please test your ZX128+2 (grey model)Please reset your ZX128+2 (grey) and write in 128 basic (or in USR0 mode): [B]PRINT IN 32765[/B] - if basic crash (black screen) then your ZX contai…

    ... in 128 basic (or in USR0 mode):
    [B]PRINT IN 32765 ...
    velesoft velesoft August 2011 Hardware
  • Pac-Land on the +3Is it just me, or do none of the cassette versions load on a +3, even in USR0 mode? Did Grandslam do this on purpose to force those with +3's to buy …

    Is it just me, or do none of the cassette versions load on a +3, even in USR0 mode? Did Grandslam do this on purpose to force those with +3's to buy the more expensive disk version?
    pottyboy pottyboy October 2011 Games
  • +3e with DivIDE systemsIf we replace old R-GAL chip on original DivIDE with new XR-GAL (this is only firmware for GAL chip) then will possible DISABLE or ENABLE any DivIDE …

    ... DivIDE system running in mapram mode. But only if both jumpers ... code switch +3 basic to USR0 mode (SPECTRUM command ?) without reset, then ... switch off true allram 16kB mode on DIVIDE (switch off any ...
    velesoft velesoft January 2012 Hardware
  • TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …

    ... to divide eeprom (or mapram mode).
    Work also on ZX ... /> - after power-on always set USR0 mode (on ZX128 and +2A/+3 ... )
    =============
    testrom exit to USR0 mode (48 basic with enable 128kB ... border lines (error or 48kB mode)
    If 128kB paging is ...
    velesoft velesoft August 2012 Sinclair Miscellaneous
  • DIVIDE versus ZX128 ROMDivide interface use hardware mapping of extra memory on this fixed points in 48rom: #0000 - power-on/reset/rst0/software restart #0008 - syntax erro…

    ... -on and ZX start in USR0 mode (48basic with enable 128kB memory ...
    velesoft velesoft February 2013 Development
  • Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…

    ... -on) always switch ZX to USR0 mode (128kB ram is always enable ...
    D6 = mapram mode
    D7 = conmem mode[/CODE]

    ... emulation signed as MAPRAM mode. In this mode ram page 3 with ... .0 will active classic mode (or mapram mode, if MAPRAM bit is ...
    velesoft velesoft August 2013 Hardware
  • Use PLAY without the 128 ROMHere's a little thing I wrote called SoftPLAY: [url]http://www.worldofspectrum.org/forums/showthread.php?t=45259[/url] Now you can use the PLAY comm…

    ... external AY expansion, or in USR0 mode, say for use with the ...
    chev chev October 2013 Sinclair Basic
  • hyperthetical questionIf i was to remove the rom from a +128 or +2 and replace it with a 48k rom would the machine work and boot? if so would it still run 128k games im th…

    If i was to remove the rom from a +128 or +2 and replace it with a 48k rom would the machine work and boot? if so would it still run 128k games im thinking it would then just like being perminently in usr0 mode
    zedexspectrum zedexspectrum July 2014 Hardware
  • "In nihilum reverteris": a new big text-adventure 128K in English languageHi guys. "In nihilum reverteris" - another text-game / interactive novel by Yerzmyey. Platform: ZX Spectrum 128K or higher. (C) 2018 by H-PRG.…

    ... />
    Loading ONLY with the "USR0" mode!!!!!

    The game has ...
    Yerzmyey Yerzmyey March 2018 Brand new software
  • A couple of random questions......because, why not? (1) USR0 mode on the +3/+2A/B I know of its existence, I know how it's used, and I have some games that require it to work o…

    ... , why not?

    (1) USR0 mode on the +3/+2A/B ... not find any references to USR0 in the +3 or +2A ...
    The Mighty Dopethrone The Mighty Dopethrone March 2020 Sinclair Miscellaneous
  • Castlevania ZX looking REALLY nice in color :)[url="http://www.redeya.com/bytemaniacos/castlevania.html"]http://www.redeya.com/bytemaniacos/castlevania.html[/url]

    Okay, I use now SPIN and load the routine in USR0 mode, so the resolution is now really 64x96. It works fine for me now.
    LCD LCD February 2003 Games
  • Blizzard PassCan anyone get the 128k text adventure Blizzard Pass to run on any emulator? I've tried the online Java emulators in WoS, ZX32 and Spectaculator 5 an…

    ... screen resides), but only in USR0 mode. In 128K Basic it does ... 55) locks you into 48K mode with one of the banks ...
    LCD LCD April 2003 Games
  • C64's SID music on ZX - the demo is HERE!!I'm proud to announce, that two great persons from Central Europe - Poke & Omega - have made something really important for Spectrum world. Now ZX …

    Makes me wonder why I bother to write manuals ;)


    If Spectaculator is currently emulating the Spectrum 128 or +2, or +3, you can hold down the control key when opening an audio cassette file to auto load in usr0 mode.
    Jon Needle Jon Needle October 2003 Sinclair Miscellaneous
  • Have you seen this?[url="http://raww.org/filez/digisid.zip"]http://raww.org/filez/digisid.zip[/url] Completely breathtaking :) I can't wait 'till 2004

    ... have to run it in usr0 mode?? hmmmmmm

    complicated stuff ...
    mel the bell mel the bell November 2003 Development
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... must start the program in usr0 mode: Start up as a 128K ...
    Alcoholics Anonymous Alcoholics Anonymous January 2004 Development
  • Basic problems with +3Hi everybody, sometimes ago I bought the ZX Spectrum +3. Currently I have some questions, to verify my thinking. 1. How I can easy copy the ZX Spec…

    ... that :)

    USR0 mode looks identical to 48k mode, but it has ... or two important differences - under USR0 mode, the +3's paging (extra ... be the case for 48k mode too.

    You don ...
    Dunny Dunny April 2004 Sinclair Miscellaneous
  • Downloaded bug free ver of abe's mission but still crashesIve just found this site: [url="http://tcg.speccy.cz/index-cz.php?pg=games-cz"]http://tcg.speccy.cz/index-cz.php?pg=games-cz[/url] (looks legal) I …

    [quote]
    On 2005-01-24 22:24, HonoredShadow wrote:
    What does that do?

    [/quote]

    USR0 mode ;)
    Pavero Pavero January 2005 Games
  • DivIDEI'm interested in getting one of these, but the site that apparently sells the prebuilt units - [url="http://raww.org/2079"]http://raww.org/2079[/url…

    divIDE works with +2A/+3, but you have to close JP1 jumper. But beware, divIDE works only in USR0 mode.
    mikezt mikezt October 2005 Sinclair Miscellaneous
<1234567…34>

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