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Search Again :: Adv Search 443 results in 0.001s
<1234567…15>
  • Whats up wi mi speccy ? M RAMTOP no good 0:3I bought a speccy on ebay tried to load Mission Impossible but about 30 secs into loading it stopped and i got the error message ... M RAMTOP no good…

    I bought a speccy on ebay tried to load Mission Impossible but about 30 secs into loading it stopped and i got the error message ... M RAMTOP no good 0:3 ... I take it it means it has defective ram ?
    swordheart swordheart March 2007 Sinclair Miscellaneous
  • Lowest safe ramtop for various disk systems ?Can someone give info about lowest safe ramtop for various disk systems ?

    Can someone give info about lowest safe ramtop for various disk systems ?
    Fikee Fikee October 2010 Development
  • tiny routine to shift RAMTOP & stackCompressing some data areas above RAMTOP and wanting to make the released space available for BASIC arrays, I needed to move RAMTOP without using CLE…

    Compressing some data areas above RAMTOP and wanting to make ... , I needed to move RAMTOP without using CLEAR so that ... variables were preserved. Just poking RAMTOP isn't enough, as the ... rest.
    [code]
    ;Change RAMTOP to "val" without clearing variables ...
    Battle Bunny Battle Bunny November 2011 Sinclair Basic
  • ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…

    ... where I moved the RAMTOP a bit lower with ... small memory test program above RAMTOP like this :

    ramtop to 77*256 (19456 ... behaviour. Especially with the RAMTOP. The only difference with ... .5k of memory free (RAMTOP lower than ROM + 3 ...
    Tom-Cat Tom-Cat September 2005 Sinclair Miscellaneous
  • Which would be fasterSay you want to use a variable value of 0 to 255 in a BASIC program, which way would be fastest? Say for arguments sake you wanted to use two variabl…

    ... in non-contended memory above RAMTOP, i.e.

    POKE ...
    ewgf ewgf September 2006 Development
  • HELP BTTF on Speccy 48khello, fellow spectrum owners! I have won a Back To the future game on cassette of eBay that is for my 48k. I run it, by typing LOAD "", and it sta…

    ... message:
    [CODE]
    M RAMTOP no good, 20:1[/CODE ...
    compact-mac compact-mac November 2006 Games
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... to 'OPEN TO 3' and RAMTOP to
    32767. Memory for ...
    DonkeyPong DonkeyPong January 2007 Development
  • "Lost" 48K expansionToday I dug up my Speccy after more than 10yrs of inactivity. I bought it as a 16K in 1983, than I had expanded to 48K and never had problem. Until t…

    ... mind after I received many "RAMTOP pointer no good" trying to ...
    Confessor Confessor April 2007 Hardware
  • Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly: [CODE] Now the memory is checked. 11DA RAM-CHECK LD H,D Transfer the value…

    ... ,E (START = +FFFF, NEW =
    RAMTOP).
    11DC RAM-FILL LD ...
    wilsonsamm wilsonsamm August 2007 Sinclair Miscellaneous
  • Having trouble compiling thisI made a small program to help me check the contents of Astro2008's code (to see how easy an English version could be made). I figured I could compil…

    ... did a reset, decreased the ramtop to 23999, imported the code ...
    zxbruno zxbruno November 2007 Sinclair Miscellaneous
  • TS2068 stuffTo the Spectrum gurus of the forum :D With the release of Fuse 0.9.0 I've been trying some games in TS2068 mode, to later try them on my real 2068. …

    ... load do it with a RAMTOP no good error.

    Hernán Pablo Álvarez Hernán Pablo Álvarez January 2008 Sinclair Miscellaneous
  • Important for Game/Demo DevelopersHello Spectrum-friends, I just finished our new Disc-Magazine SCENE+ with newest games, demos, graphics and sounds from the Spectrum Scene. However,…

    ... below 25000. If you set RAMTOP to 23999 you get trouble ... memory and have to put RAMTOP to 24499 or even lower ...
    Speccyman Speccyman April 2008 Development
  • Unprotecting games without knowning m.c.DivIDE or MB02 users don't need unprotected games, but those who still use the Microdrive, Wafadrive, Timex FDD, +3, Plus D, Disciple or use the new …

    ... , does it matter where the ramtop is?
    -In some games ...
    zxbruno zxbruno June 2008 Sinclair Miscellaneous
  • alternate BASIC ROMI've come up with a few patches to the standard ROM to make it use the 128 shadow screen by default. The ROM is reorganised as follows: RAMTOP is se…

    ... reorganised as follows:

    RAMTOP is set to 0xbfff
    chev chev October 2008 Sinclair Basic
  • Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…

    ... written in BASIC which sets RAMTOP to 32767, loads the binary ...
    na_th_an na_th_an March 2010 Emulators
  • ISO ROM 128 with TR-DOS 5.05(cz)This is new correct version of ISO ROM for ZX + BETADISK. Some extra basic command is designed specially for use in conmination with TR-DOS 5.05(cz).…

    ... registers ...)
    = (show basic info - ramtop, used memory, etc...)
    * (start ...
    velesoft velesoft April 2010 Sinclair Basic
  • Ziggy - An emulator for WindowsAfter nearly a year of plugging away on the keyboard it's a proud moment for me to announce the release of Ziggy - an emulator for the Windows (what?…

    ... details here:
    [URL="http://ramtop.wordpress.com/"]Ziggy Emulator[/URL ...
    Arjun Arjun May 2010 Emulators
  • Ziggy 0.4The latest version of Ziggy is now available from the same link as before i.e [URL="http://ramtop.wordpress.com/"]here[/URL]. I've made changes to t…

    ... before i.e [URL="http://ramtop.wordpress.com/"]here[/URL].
    Arjun Arjun May 2010 Emulators
  • storing machine code in BASICApart from putting m/c above RAMTOP, which means that it has to be POKEd or LOADed separately after the BASIC program; or putting it in a REM, which …

    ... from putting m/c above RAMTOP, which means that it has ... - as if it was above RAMTOP. As LIST stops when it ...
    Battle Bunny Battle Bunny August 2010 Sinclair Basic
  • Zero (aka Ziggy) 0.4.5The 0.4.5 preview build is available for er... preview. There are still some bugs and glitches to iron out but I have taken various suggestions on bo…

    ... be found at [URL="http://ramtop.wordpress.com/2010/10/12 ...
    Arjun Arjun October 2010 Emulators
  • Zero 0.4.6 - The WoS SpecialI'm happy to announce the availability of the next version of Zero. I'm calling it the WoS Special not only because today is WoS's b'day but also bec…

    ... found at the [URL="http://ramtop.wordpress.com"]usual place[/URL ...
    Arjun Arjun November 2010 Emulators
  • Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…

    ... /> [CODE]100 LOAD “SCREEN” CODE RAMTOP+1,6192
    110 SAVE ... !”SCREEN” CODE RAMTOP+1,6192[/CODE]

    Where RAMTOP is the address held in ...
    Paddy Coleman Paddy Coleman December 2010 Sinclair Basic
  • AGES v.2 gamebook solverAll this talk of mazes has been leading up to the release of the latest (numbered 2, but more like 22) version of my gamebook solver programs, which …

    ... I've posted elsewhere; eg. RAMTOP switching, self-relocation, secondary independent ...
    Battle Bunny Battle Bunny November 2011 Announcements
  • Quick question about CLEAR...Hi Folks, I should know the answer to this but I wanted to make sure I understand totally. If I execute a CLEAR then I know it lowers RAMTOP to the…

    ... then I know it lowers RAMTOP to the address specified. Is ... the first usable byte RAMTOP+1 e.g.

    Paddy Coleman Paddy Coleman January 2012 Sinclair Basic
  • storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…

    ... , as if it was above RAMTOP. The method is to assign ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • Issue 3B only sees 16k (and RAMTOP NO GOOD on loading)A ZX+ with issue 3B board that i got recently, does not see anything more than 32768 (sometimes 37267..) on "PRINT PEEK 23732 + PEEK 23733 * 256 (Ent…

    A ZX+ with issue 3B board that i got recently, does not see anything more than 32768 (sometimes 37267..) on "PRINT PEEK 23732 + PEEK 23733 * 256 (Enter)".
    Following the [url=http://www.worldofspectrum.org/SpectrumRepairGuide/#fram]WoS repair guide[/ ...
    Asure Asure March 2012 Hardware
  • Screen2StringFurther to writing that BASIC one-liner to redirect CAT to a string I thought that I'd do a general redirection routine for anything which normally p…

    ... ; it starts 21 bytes above RAMTOP (the first 20 bytes being ... 23563=DEFADD; 23631=CHANS; 23730=RAMTOP
    REM so=standard channel ...
    Battle Bunny Battle Bunny May 2012 Sinclair Basic
  • .tapein load crashes if no CLEAR performed first(!)Hi Guys, Can anyone explain the following as it has be stumped: I came across an unexpected crash today when loading in a 16K block of code at 8000…

    ... I keep well clear of RAMTOP.

    However, today, I ...
    BloodBaz BloodBaz August 2012 Hardware
<1234567…15>

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  • Whats up wi mi speccy ? M RAMTOP no good 0:3I bought a speccy on ebay tried to load Mission Impossible but about 30 secs into loading it stopped and i got the error message ... M RAMTOP no good…
  • Lowest safe ramtop for various disk systems ?Can someone give info about lowest safe ramtop for various disk systems ?
  • tiny routine to shift RAMTOP & stackCompressing some data areas above RAMTOP and wanting to make the released space available for BASIC arrays, I needed to move RAMTOP without using CLE…
  • Issue 3B only sees 16k (and RAMTOP NO GOOD on loading)A ZX+ with issue 3B board that i got recently, does not see anything more than 32768 (sometimes 37267..) on "PRINT PEEK 23732 + PEEK 23733 * 256 (Ent…

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