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Search Again :: Adv Search 1000 results in 0.016s
<1234567…34>
  • Wanted: Timex 2068 with 48K rom...and more if possible. I checked all the threads I could find about the TS2068, checked Jarek's website, even sent a few pms and asked a few peopl…

    ... get a TS2068 with a 48K rom, but I would love to ... one to sell, with a 48K rom already instaled, or with all ...
    zxbruno zxbruno January 2007 Wanted
  • Spectrum 48K ROMHi Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit it as…

    ... possible to program a ROM Chip with the 48K ROM and fit it ... the pins, I changed the ROM link to H but all ...
    Martin Baugh Martin Baugh April 2007 Hardware
  • Distribution status for Beckman Innovation AB 48K ROMToday while practicing the black art of WAV to TZX conversion on my copy of the Beckman Innovation AB 48K rom, I wondered who owns the copyright and …

    ... of the Beckman Innovation AB 48K rom, I wondered who owns the ... even have to, considering the rom has copyright from Sinclair Research ... , thereof):

    > Nordisk ROM, (c) Sinclair Research Ltd & ...
    pmsr pmsr July 2012 Hardware
  • Which games perform checksums on the 48K ROM?I've just modified a version of the 48K Spectrum ROM designed for use on the Timex Sinclair 2068, so that a 16 bit checksum of the ROM produces the r…

    ... a version of the 48K Spectrum ROM designed for use on ... 16 bit checksum of the ROM produces the result $641F ... same values as the standard 48K ROM.

    Does anyone ... performed these tests on the ROM? I'd like to ... try the new ROM out on these games.
    rga24 rga24 June 2014 Development
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php I found the following code: [code] CHADD equ 23645 ; Location of SOS variable CHADD ld…

    ... a CALL to TRDOS/Betadisk-ROM (15619 on TRDOS v5).
    48k ROM?
    Luzie Luzie October 2019 Development
  • 48K ROM copyrights holderHi everyone I would like to check with you about the rights to the 48K ROM. It seems the current rights owner is Sky UK. Did anyone have any recen…

    ... about the rights to the 48K ROM. It seems the current rights ... statement from Sky regarding the rom rights (like Amstrad had ... which would rely on the ROM routines.
    While probably ... using the original ZX Spectrum ROM (48K) would make things easier.
    claudiu_cwg claudiu_cwg October 2020 Sinclair Miscellaneous
  • Different ZX 48K ROM versions?Is there only one official ROM version for the ZX 48K from Sinclair? Micky

    Is there only one official ROM version for the ZX 48K from Sinclair?


    Micky
    -Micky -Micky March 2010 Hardware
  • 48K Issue 3B ROM to EPROM methodsHi folks, While fixing up a completely dead Commodore PET I needed a way of testing the 4116 RAM chips that make up its 32K, some googling found a…

    ... EPROM containing the 48K ROM and a diagnostic ROM from Paul Farrow ... 've found of doing the ROM - EPROM replacement, either the ... crashing 48K or crashing diags.

    Sanity check ROM burner ... reburn the 27c256 with stock ROM (previous attempt had been ...
    witchy witchy December 2015 Hardware
  • 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 …

    ... a 128k machine is in 48k mode (from an emulation point ... the current rom? But the 128k uses the 48k rom for stuff.
    48k rom is accessed? But the SPECTRUM ...
    Unique Unique March 2005 Emulators
  • 48K ROM/EpromAnybody know if the 27C128 Eprom will work in a 48K machine withut modifications? If not, what mods do I need to make? Ta!

    Anybody know if the 27C128 Eprom will work in a 48K machine withut modifications? If not, what mods do I need to make?

    Ta!
    Lloyd Lloyd October 2005 Sinclair Miscellaneous
  • Alternative ROM thru DivideSorry if this could be a stupid question: I know the Divide+ can load Interface 2 Roms into internal memory by using Residos and the %INSTALL comman…

    ... and launch them thru the %ROM command.

    Can I ... load some alternative ROM OS too, in the same ... would like to run a 48k ROM file (downloadable from Philip Kendall ... ) used into some Zx Spectrum 48k clone.

    Thanks :-)
    dg67 dg67 June 2008 Hardware
  • Silent ROM Beeper Routine in SpinA new year -- a new idiot question! :) I've been playing around with Spectrum sounds of the old, beepy kind. When I wiggle[1] the speaker 'by hand' …

    ... the Specrum's own ROM 'BEEPER' routine (48k ROM) in Spin 0.666 ...
    RoseCotton RoseCotton January 2010 Development
  • ZX Eprom replacing Rom problemsI got a programmer today so I could finally flash the Xicor X28C256 eproms I have with ZX128 rom, to be used in my upgraded 48K machine. But for some…

    ... with ZX128 rom, to be used in my upgraded 48K machine. But ... . It works with the original 48K rom, but not with the eprom ... is connected only to the ROM output on the 74LS174 in ...
    Johan1973 Johan1973 November 2012 Hardware
  • ROM Routines Quick ReferenceSomebody was asking about calling ROM routines a few days ago, and it just so happens that I compiled this handy-dandy quick reference for same over …

    Somebody was asking about calling ROM routines a few days ago, ... />
    This is for the 48k ROM. I've just remembered that ... (ie. not in the 48k BASIC ROM) in the 128k models but ...
    Battle Bunny Battle Bunny December 2013 Sinclair Miscellaneous
  • WANTED Machinecode Routine for Paging in Betadisk TR-DOS v5 ROMI try to build a small MCode-program which writes the TR-DOS-ROM v4 / v5 to RAM adress 40000 an up. It´s working on TR-DOS v4 / Betadisk 48k: C…

    ... on TR-DOS v4 / Betadisk 48k:

    CALL ... = 15366 dez = DOS / ROM ON
    ;TR-DOS v4 ... compare the Bytes from ROM-Files, it seems with ... just copies the standard Spectrum 48k ROM to adress 40000
    ROM (because it´s not ...
    Luzie Luzie December 2015 Hardware
  • 48K (in 48) vs 48K in 128K / +2 / +3I'm sorry I've probably overlooked this but despite a search I did not see it. :( and looking at some of the tech pages did not really answer my ques…

    ... copyright message difference in the 48K rom, are there any other changes ... between the original 48K (or 16K I guess!) Spectrum rom and the ...
    spider spider September 2016 Hardware
  • Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…

    ... Speccy with a dual boot ROM loading on first bank the ...
    repetto74 repetto74 November 2017 Hardware
  • Bug fixed ROMHi Folks, Is there a bug fixed 48K ROM that is totally compatible with the original? I have searched the internet but the ROMs I have found all s…

    Hi Folks,

    Is there a bug fixed 48K ROM that is totally compatible with the original? I have searched the internet but the ROMs I have found all seem to have extra functionality.

    Many thanks

    Paddy
    Paddy Coleman Paddy Coleman October 2018 Hardware
  • How pass 128K to 48K BASIC whitout need to write by hand??¿?Hi all I have a 48K BASIC program that work only with 48K ROM If i do that in a 128K 1) load "prog.bas" 2) put the command SPECTRUM t…

    ... program that work only with 48K ROM

    If i do ...
    maeloterkim maeloterkim January 2020 Sinclair Basic
  • Pentagon interface news from VELESOFTIt's from Xagon's board. It is about new interface for Speccy - it make Your comp compatible with Pentagon (and not only) and also it gives You up t…

    ... in all modes.
    (sets 48k ROM)

    - in ... connected
    instead of ROM into the low 16kB ... br />
    - instead of ROM there will be EPROM 128kB ... )
    and an extra ROM (32kB) will be set ... pluggable right into the ZX ROM (and HAL) socket.
    Yerz Yerz June 2004 Sinclair Miscellaneous
  • Z80 core testing ?OK, my z80 core is almost finished (apart from RRD, RLD, and block instructions except LDI,LDIR,LDD,LDDR). I run the 48K rom and hurray, it resets co…

    ... ,LDD,LDDR). I run the 48K rom and hurray, it resets correctly ...
    GOC GOC July 2004 Development
  • There's a bug in my Speccy, Dear Liza, Dear Liza...Hi guys, Just me being annoying again - Can anyone out there in 'Internetland' help me with ideas about what could be causing a bug in my Speccy em…

    ... speccy boots fine from a 48K ROM image, giving the '(c) 1982 ... speccy games in full colour (48K ones only that is - I ...
    Speculator Speculator December 2004 Development
  • Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …

    ... after careful study of the 48K ROM disassembly, but I was wondering ...
    GOC GOC September 2005 Sinclair Basic
  • Spectrum Spare parts neededI have a customer in Croatia purchasing some items from me, but to save on postage and currency conversion costs, can anyone supply the following ite…

    ... / ZTX213 / ZTX650 transistors
    Spectrum 48K ROM chip

    I would ...
    rwap rwap December 2006 Wanted
  • 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…

    ... the start of the 48K's ROM (as opposed to the ... 128K Specific second ROM), the same as PRINT ... 128K mode but with the 48K seemingly permanently in place ( ... the Spectrum using the 128K ROM too.

    ... then it could lock the 48K ROM in place, and do ...
    ewgf ewgf December 2008 Sinclair Miscellaneous
  • Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …

    ... machine it's running on (48K, +, 128, +2, +2A, +3, ... even when running in the 48K mode of the various machines ... there were changes to the 48K ROM that was put into ... interrupts. Was the same modified 48K ROM put into the +2 ... copyright message, even in 48K mode.
    joefish joefish March 2009 Development
  • Re: TS2068 TC2068 Specy emulator cartridgesThere are several designs of emulator cartridges for these two Timex clones, but they all require an original 48K rom to work. This brings up a few q…

    ... they all require an original 48K rom to work. This brings up ... want to use a different rom?

    Thanks ...
    zxbruno zxbruno March 2009 Hardware
  • Thanatos 128k - patched to work on ANY 128 model!A little something I somehow managed to do the past couple of days. A version of Thanatos 128k which works on not just the 128 but also the +2, +2a a…

    ... original release of Thanatos contained 48k and 128k versions of the ... to see if the original 48k ROM is present (there are slight ... between Sinclair's 48k ROMs and Amstrad's 48k ROMs).

    pottyboy pottyboy March 2010 Games
  • +3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…

    ... the +128k/+2 in either 48k/128k mode, and on the ... +2A/+3 in 48k mode, but crashes the +2A ... it enters the routine the 48k ROM is paged in and the ... three ROM routines addressed are where they ... it jumps back into the ROM at MAIN-3 it does ...
    Battle Bunny Battle Bunny August 2010 Sinclair Basic
<1234567…34>

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  • Searching for correct Betadisk 48k TR-DOS v4.12 ROM (Save ROM via TRDOS-Prompt to Disk)Hi,<br /> <br /> I have two ROM-Files which should be read out from an original Betadisk 48 Interface TRDOS v4.12 (ROM-Size 8k).<br /> But when I …
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php<br /> <br /> I found the following code:<br /> [code]<br /> CHADD equ 23645 ; Location of…
  • 48k / 48k+ Keyboard MembranesCan anyone out there help me to locate a set of new keyboard membranes for my Speccy 48k (rubber keys) and 48k+ . <br /> I've just dusted them off af…
  • 48K ROM/EpromAnybody know if the 27C128 Eprom will work in a 48K machine withut modifications? If not, what mods do I need to make?<br /> <br /> Ta!
  • Wanted: Timex 2068 with 48K rom...and more if possible.<br /> <br /> I checked all the threads I could find about the TS2068, checked Jarek's website, even sent a few pms and asked…
  • Spectrum 48K ROMHi<br /> Can anybody help I have an Issue 6a Circuit Board which has a faulty ROM Chip. Is it possible to program a ROM Chip with the 48K ROM and fit…
  • Q. on a book (48k/128k ROM dissassembly)Would you, great WoSsers, please recommend THE greatest, bestest and preferably completestest Speccy ROM (any 48k &amp; 128k (not QL, zx80/81, nor cl…
  • Different ZX 48K ROM versions?Is there only one official ROM version for the ZX 48K from Sinclair?<br /> <br /> <br /> Micky
  • Is there a ROM modification (48K) for load without typing LOAD""?The target is to play with 48K machines with keyboard broken, or an alternative solution for new clones like Superfo instead of making a new keyboard…
  • Distribution status for Beckman Innovation AB 48K ROMToday while practicing the black art of WAV to TZX conversion on my copy of the Beckman Innovation AB 48K rom, I wondered who owns the copyright and …

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