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<1234567…34>
  • Help! USR 0 mode?Right, first of all, I know that this is in the wrong forum, and secondly it's maybe against the TOS anyway, as it's just asking people to read and p…

    ... />
    I've asked about USR 0 mode, and whilst I've received ...
    ewgf ewgf December 2008 Emulators
  • Ensure program runs in USR 0 mode?Is there some BASIC that can be used in a program to make sure the the program runs (even on 128k models) in 48k or USR 0 mode? I obviously then wan…

    Is there some BASIC that can be used in a program to make sure the the program runs (even on 128k models) in 48k or USR 0 mode? I obviously then want to be able to run the rest of the program from the USR 0 mode.
    matalog matalog February 2018 Sinclair Basic
  • 'usr 0 mode'Can anybody explain why some programs can't be just loaded after turning spectrum on but you must type 'usr 0' before loading them?

    Can anybody explain why some programs can't be just loaded after turning spectrum on but you must type 'usr 0' before loading them?
    PopoCop PopoCop November 2005 Sinclair Miscellaneous
  • Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…

    ... can see, so far) need USR 0 mode when run on a 128K ... advantages for the program does USR 0 mode offer over the standard 128K ... mode? And why does the user have to type USR 0? Surely ... place, and do whatever else USR 0 mode does, then continue running the ...
    ewgf ewgf December 2008 Sinclair Miscellaneous
  • Usr 0I have noted there are some games / applications / demos which have to be loaded in USR 0 mode on a 128K Machine ("Randomize USR 0" in 128K BASIC the…

    ... be loaded in USR 0 mode on a 128K Machine ("Randomize USR 0" in 128K ... is the case, and what USR 0 actually DOES?
    Swevicus Swevicus January 2010 Hardware
  • USR 0I've heard a lot about loading a program in USR 0 (and yes, I know how to do it - "RANDOMIZE USR 0" in 128 BASIC). What I want to know is: What is th…

    I've heard a lot about loading a program in USR 0 (and yes, I know how to do it - "RANDOMIZE USR 0" in 128 BASIC). What I want to know is: What is the point of loading a program in USR 0 mode, and what does it actually DO?
    Swevicus Swevicus November 2012 Hardware
  • 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
  • compatibility between ZX computers?Hey all, I'm new here :) I was wondering about compatibility between ZX computers. Is it possible to run a game made for ZX80 on a ZX Spectrum? Or a …

    ... 128K (It works in PRINT USR 0 mode, what ever it means exactly ...
    Dr BEEP Dr BEEP July 2003 Sinclair Miscellaneous
  • 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 …

    [quote]
    On 2003-10-24 09:45, b00mzi11a wrote:
    Just keeps repeating the same intro section over and over again for me on Spectaculator..
    [/quote]

    This is what happens if you don't load in usr 0 mode.
    Alcoholics Anonymous Alcoholics Anonymous October 2003 Sinclair Miscellaneous
  • Czech and English translation of Abe's Mission - Escape - Speccy remake of great PC/PSX game !!!Hi! You certainly know Abe from PC or PSX games Oddworld-Abe Oddysee and Oddworld-Abe Exoddus. Brothers decided to made it for our Spectrum. It was …

    You have to run it from USR 0 mode, guys! (Go to 128 Basic, type usr 0 and press enter. You get 48k basic but with 128k paging.)

    z00m^TCG
    zoom zoom November 2003 Announcements
  • 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…

    ... starting the game or in USR 0 mode, you can overwrite this data ...
    LCD LCD November 2003 Development
  • Dizzy X-Journey To Russia - English translation in 48/128 version & FIX of Abe's Mission-MissionHello there! Last week, there was discovered English translation of Russian game Dizzy X-Journey To Russia on the Internet. But it was available onl…

    :o

    Aaahh... the old 'USR 0 mode' trick ! I hadn't thought of THAT ! :) Thanks !

    Great game :). Am I right to assume that the framerate is greater on a Scorpion Turbo ?
    GOC GOC December 2003 Games
  • My first attempt at Gigascreen interlacingWonderful. Did some research on the port which controls memory paging and wrote a short BASIC programme to switch pages 5 and 7 in and out of the scr…

    Go into USR 0 mode (128 Basic, Type USR 0, Enter)
    10 CLEAR 49151< ...
    LCD LCD May 2004 Development
  • COVOX works?My Sprinter "simulates" a COVOX soundcard at port 4Fh, but I don't know how to use it! Can anyone explain to me the process of programming it? (To be…

    ... only gets you multiples of 0.02 seconds -- have another look ... you use a 128 in usr 0 mode. The main loop of 128 ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Development
  • EmuZWin 2.5.0.1Version 2.5 Release 1.0 (10-Jun-2004): a lot of changes and fixes in ??? Map Builder ??? GFX Editor ??? Loading & Saving ??? Sound & Video ?? Speed…

    ... AY sound in Exact Sound mode (worst it).AY sound quality ... control to indicate/change stereo mode (ABC, ACB, Mono). Pressing in ... it loads in most cases (USR 0 mode used, calling TR-DOS via ... RANDOMIZE USR 15616).
    [+] Two options ...
    Vladimir Kladov Vladimir Kladov July 2004 Emulators
  • ZX-PC InterfaceRight - i'm 34 and I cant take the pain of waiting for tapes to load any more - somethings gotta give ( either the tape deck or me ). I've seen a 'Z…

    ... the ROM (i.e in USR 0 mode) then the software on PC ...
    Dr BEEP Dr BEEP September 2004 Hardware
  • Does Anyone Still Write Games For Speccy?I was wondering, does anyone still write games for Speccy? Is there someone in this forum for example who has written a text adventure or another kin…

    Been playing Abe's Mission Escape. It's impressive, but having to wait ten minutes to load just the menu (I'm playing it on my real speccy) is far too long. Even worse is that you have to go into USR 0 mode to load it. Anyway I can put it on +3 disk?
    pottyboy pottyboy July 2005 Games
  • Which of these is acceptable FPS for shoot-em-upHi, I want to get peoples opinion as to an acceptable frame update speed for my shoot-em-up game that is in development. At the minute I could do it…

    ... are for 128K running in USR 0 mode so make sure your not ... in 48K mode.

    I tested on ...
    dmsmith dmsmith August 2005 Development
  • 'usr 0 mode'Can anybody explain why some programs can't be just loaded after turning spectrum on but you must type 'usr 0' before loading them?

    AFAIK, if you use USR 0 mode, you get the 48K ROM switched in, but don't lose the ability to page in memory banks. It's a bit odd for some programs to require this, as you can page the 48K ROM at any time using the appropriate instructions.
    GOC GOC November 2005 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…

    ... be loaded from 48k BASIC mode (mostly music demos, if I ... that must be loaded in USR 0 mode" was a bit too long ... , and wouldn't know what USR 0 mode was if it came and ...
    monty.mole monty.mole November 2005 Sinclair Miscellaneous
  • ZX-PC InterfaceRight - i'm 34 and I cant take the pain of waiting for tapes to load any more - somethings gotta give ( either the tape deck or me ). I've seen a 'Z…

    ... the interface goes directly to USR 0-mode on a 128K)

    Dr BEEP Dr BEEP November 2005 Hardware
  • EmuZwin27How does this thing work? I can't get it to load anything at all. All I can get it to do is show me loading screens and nothing else :confused: I'm p…

    ... , LOAD "" in 48K Basic, in USR 0 mode, in 128K Basic. Some tapes ...
    Vladimir Kladov Vladimir Kladov February 2006 Emulators
  • Battle Command with mouse contolOn [url="http://www.velesoft.wz.cz/kmouse/kmvelesoft/battle_command-km.tap.zip"]http://www.velesoft.wz.cz/kmouse/kmvelesoft/battle_command-km.tap.zip…

    You must LOAD this game in USR 0 mode.

    VELESOFT
    SPRINTER SPRINTER February 2006 Games
  • How to load Dies irae (an exodus demo)?it sits in my harddisk over a year, it always hangs at RED loading screen. I tried it with more than 10 emulators but no avail. According to the poue…

    I have got it to work, first you need to be on a 128k, but in usr 0 mode.
    go to 128k basic, and type usr 0 *enter* the speccy should reset and start up back in tokenised basic, then just load"" and it should run :-)
    guesser guesser September 2006 Sinclair Miscellaneous
  • 128 won't loadI been trying to load a 128k speccy programme ( the fantasy one that came with the speccy 128 ) into a 128k heatsink speccy but it gets so far and th…

    ... you tried loading it in USR 0 mode? Some demos (I realise demos ... unless they're in that mode.

    To get to ...
    icabod icabod November 2006 Sinclair Miscellaneous
  • 128 won't loadI been trying to load a 128k speccy programme ( the fantasy one that came with the speccy 128 ) into a 128k heatsink speccy but it gets so far and th…

    ... load in 48k mode.[/QUOTE]
    USR 0 mode is 128k mode (you have full ...
    icabod icabod November 2006 Sinclair Miscellaneous
  • 128 won't loadI been trying to load a 128k speccy programme ( the fantasy one that came with the speccy 128 ) into a 128k heatsink speccy but it gets so far and th…

    [QUOTE=icabod]USR 0 mode is 128k mode (you have full access to ... work straight from the 128-mode tape loader option, as long ...
    Battle Bunny Battle Bunny November 2006 Sinclair Miscellaneous
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... firmware authors have decided that USR 0 mode is a good tradeoff :)
    baze baze January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... switch between +3e operation and USR 0 mode with your chosen divIDE firmware ...
    glancaster glancaster January 2007 Development
  • 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 …

    [QUOTE=Alcoholics Anonymous;25696]This is what happens if you don't load in usr 0 mode.[/QUOTE]

    Even after USR 0 it still repleats over and over with Spectaculator and Spin for me.

    No idea why!
    HonoredShadow HonoredShadow March 2007 Sinclair Miscellaneous
<1234567…34>

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