World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.020s
<1234567…34>
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement. Know what I found? My old ZX Spectrum.... Those were the days! Never …

    ... RAM, my friends!
    My question: how can I tell what size ... of RAM I've got in my ...
    David David February 2001 Sinclair Miscellaneous
  • OPUS.ROMI was downloading the new RealSpectrum emulator with low level access to disks like Opus Discovery disks. But now I need the ROM file. Where can I ge…

    ... disks like Opus Discovery disks. But now I need the ROM file ... /> # Multiprint-Rom: mprint.rom # ROM file for Multiprint
    # SpecMate-Rom: specmate.rom # ROM file for ...
    wilko0070 wilko0070 September 2005 Emulators
  • TZX and the ZX81Evenin All. EightyOne is now is a state where I can support a more descriptive tape format. I know how some people have been calling for tzx suppor…

    ... /81. Why is there a RAM/ROM Addon section, yet 1k/16k ... becomes the ZX81

    "ROM/RAM type add-ons" gets split ... />
    low nibble defines the RAM size:

    0 1k
    0 ZX80 ROM
    1 ZX81 ROM
    2 ASZMIC ROM
    3 ...
    MikeW MikeW September 2004 Emulators
  • Universal disk drive controller project - information needed! Hello Speccy world! I am a hardware developer from Russia and old Speccy fan. Currently i am starting a project aimed at joining Western and Easter…

    ... of russian software use direct ROM calls for disk operations ( ... order to change ROM entrypoints) and 16 kb RAM to existing ... it is possible to expand RAM size in order to boot HDD ... necessary implementation level (API calls, ROM routines or actual hardware) in ...
    Sonic Sonic June 2005 Sinclair Miscellaneous
  • Universal disk drive controller project - information needed! Hello Speccy world! I am a hardware developer from Russia and old Speccy fan. Currently i am starting a project aimed at joining Western and Eastern…

    ... of russian software use direct ROM calls for disk operations ( ... order to change ROM entrypoints) and 16 kb RAM to existing ... it is possible to expand RAM size in order to boot HDD ... necessary implementation level (API calls, ROM routines or actual hardware) in ...
    Sonic Sonic June 2005 Development
  • Z80 based computersHelp needed: Who can tell which computers besides ZX81/ZX80/Jupiter Ace/SAM Coupe: 1) use a Z80 processor 2) what the programmable RAM-size is (and…

    ... the programmable RAM-size is (and start/endaddresses)
    3) ROM size
    3 ...
    Dr BEEP Dr BEEP February 2006 Sinclair Miscellaneous
  • Opus Discovery 720K DriveOK, so I bought an Opus Discovery recently. Went through a whole process of fitting a second drive, which I know to be 720K. Eventually got the thin…

    OK, so I bought an Opus Discovery recently.
    Went through ... 1 that came with the Opus to 720K. Lo and behold ... modify it (thanks to the Opus ROM disassembly on WOS) to allow ...
    hldswrth hldswrth November 2006 Hardware
  • Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…

    ... *.bin *.mem *.lib kernel.s *.rom *.lnk[/CODE]

    2 ... /> ;; crt0.s
    ;; zx spectrum ram startup code
    ;;
    ;; tomaz ...
    tstih tstih July 2012 Development
  • 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 …

    ... /> =====

    Standard RAM/ROM/EPROM

    Preliminary ideas ... Hence RAM00 is the ROM RAM(!), RAM00-RAMFF is the ... />
    D0...D1 - ROM/RAM switching
    D2 - Affects whether ... Bit 0 contains the video size, reset indicates 640x400 mode, ...
    cyborg cyborg October 2002 Sinclair Miscellaneous
  • ZX81 ScrollingI'm tempted to have a go at a bit of ZX81 programming, using MCODER II, though I could really use a fast multi-directional scrolling routine. Does a…

    ... thought about it. First determine RAM-size, over 3,75K then it ... the normal SCROLL-routine in ROM
    and down is as ...
    Dr BEEP Dr BEEP February 2004 Development
  • Z80 based computersHelp needed: Who can tell which computers besides ZX81/ZX80/Jupiter Ace/SAM Coupe: 1) use a Z80 processor 2) what the programmable RAM-size is (and…

    ... the programmable RAM-size is (and start/endaddresses)
    3) ROM size
    3 ... of porting the Jupiter Ace ROM
    to the other machines ... on a 'translated' Jupiter Ace ROM ( I only need to alter ...
    Dr BEEP Dr BEEP February 2006 Sinclair Miscellaneous
  • Speccy dead? :-(I've been playing around with my Speccy and a Discovery disc drive unit, and tried to do the NMI modification to allow a multiface to be plugged into…

    ... to test. Possible problems include ROM/RAM/Z80?ULA. Assuming you want ... the edge connector of the Opus and Multiface. Is the key ...
    Lloyd Lloyd December 2006 Hardware
  • Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…

    ... , 4096, 8192, 16384 (=size of ROM), 32768, 65536 (size of ROM+RAM).
    If your ...
    joefish joefish February 2010 Development
  • Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…

    ... , 4096, 8192, 16384 (=size of ROM), 32768, 65536 (size of ROM+RAM).
    If your ... magic index and the other size doesn't matter.
    frobush frobush February 2010 Development
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... 16K was the size of a Gameboy ROM\RAM memory bank. Obviously ... code formatted for a cartridge ROM rather than a straight ... /> @cgbload -m5 -ROM 2M xxxx.rom
    @del xxxx.rom
    @echo .... ... automatically. @cgbload -m5 -ROM 2M xxxx.rom is of course specific ...
    Turkwel Turkwel October 2010 Sinclair Miscellaneous
  • 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…

    ... rom pages 0-31 and sram pages 0-31. Each page size ... :

    rom 0 = unused
    [B]rom 1 + sram 0 ... selector)[/B]
    rom 2 = unused
    [B]rom 3 + sram ... will placed from begin of rom/ram and RESIDOS will begin from ...
    velesoft velesoft November 2010 Hardware
  • BASin Problems etc.Hi Folks, Paul has asked me to open this thread to document any outstanding issues that we find within BASin. No guarantees that Paul can/will fix …

    ... programs that go beyond addressable RAM size. That's why the ... 128 uses the RAM disc. If you never ... you could modify the ROM used by BASin to ... move everything else down in RAM. That would give you ... system that can handle paged RAM, as Andy Wright did ...
    chev chev May 2011 Sinclair Basic
  • What kind of Spectrum year was 2012 for you?2012 was for me a low Spectrum year, I coded just 1 game and that was only during the Spectrumdays in Cambridge. So on Spectrumfront it was low, but…

    ... Lo-Profile keyboard, an extra Opus discovery, a 128K +2, a ... flaw in my latest eprom-rom/ram card interface.
    Started working ... new snapshot device for tape, Opus Discovery and room for something ...
    Knik Knik December 2012 Sinclair Miscellaneous
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... =velesoft;677195][FONT=Arial][SIZE=1]Yes, this can ... rom and connect external divide rom+ram. Problem can be if ROM ... data to system bus...[/SIZE][/FONT][/QUOTE]
    ... output buffer in the ROM is not being switched ... . Result both the ROM and the divIDE EPROM ...
    1024MAK 1024MAK January 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... some micropics for the whole rom/ram, the limit is of course ... issue, but at least the size is a standard one.
    Severino Severino February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ...
    1 - The control logic, ram, rom, pals, ic5 and half of ... a good upgrade.
    The rom/ram/logic can be done with ... obstacle to reduce the pcb size.
    The net jacks don ...
    Severino Severino February 2013 Hardware
  • Addresses in Fuse debuggerFrom Fuse man page: [I]Addresses can be specified in one of two forms: either an absolute addresses, specified by an integer in the range 0x0000 t…

    ... currently paged into memory. RAM and ROM pages are indicated, respectively ... , by `[I]RAM[/I]' and `[I]ROM[/I]' sources (e ... I]', `[I]DISCiPLE RAM[/I]', `[I]DISCiPLE ROM[/I]', `[I] ... I]If2[/I]', `[I]Opus RAM[/I]', `[I]Opus ROM[/I]', `[I]PlusD[/I ...
    guesser guesser October 2013 Emulators
  • IF EXIST?In MS-DOS scripting, there is an IF EXIST command that lets you check wether a file exists in disk or not. There are any way to check it out from BA…

    ... .

    Since the size of a directory is variable ...
    Bytes 11...12 - Size in kilobytes (binary)
    ...
    The file size is the amount of disk ... /> B = n+1, size of buffer in entries, > ... 3FFFh) is ROM 3 (the 48 BASIC ROM). The RAM page at ...
    The_Bert The_Bert October 2013 Sinclair Basic
  • Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…

    ... , not bytes - so an 8K ROM chip which is normal.
    ROM or RAM size in bits rather than bytes ...
    ewgf ewgf May 2014 Sinclair Miscellaneous
  • Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …

    ... FPGA to replicate ULA, CPU, ROM, RAM and a load of other ... in terms of speed, power, size and so on. Again I ...
    Alcoholics Anonymous Alcoholics Anonymous November 2014 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... at #0088

    Opus ROM 'takes over' every KEY_INT at ... etc. When a 6116 RAM chip is present, then this ... table is copied to RAM during setup and the ... over the table in RAM. So the table is ... Because the table in RAM was used for retrieving the ...
    roko roko October 2015 Hardware
  • Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…

    ... (default) is in ROM, then copied to 6116 RAM, then (partly) copied ... such (IBM 3120(?) things, but Opus has the params all in ... />
    2. Yes. Access of Opus-ROM in the 10240-14336 range ... the through-(edge)connector of Opus.).

    4. The ...
    roko roko February 2016 Development
  • Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…

    ... ZX80. However, since the BASIC ROM sets the stack pointer to ... common way to determine (approximate) RAM size is to check the value ...
    GReW GReW March 2017 Sinclair Miscellaneous
  • Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…

    ... ZX80. However, since the BASIC ROM sets the stack pointer to ... common way to determine (approximate) RAM size is to check the value ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Miscellaneous
<1234567…34>

Latest Posts

  • I bought an accoustic guitar. How do you play it?
    dm_boozefreek on 7:51PM
  • Goodbye Z80
    zx1 on 7:11PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

HitBox

Word Docs Hits
opus 1.7K 3.4K
rom 15.6K 29.7K
ram 12.6K 21.4K
size 13.4K 27.7K

Related Threads

  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code:<br /> <br /> [CODE]<br /> ;; ram-check<br /> L11DA: LD H,D ; Transfer the top value to the HL registe…
  • How do I know the RAM size?Just left my parents after cleaning out my pile of old stuff in their basement.<br /> Know what I found? My old ZX Spectrum.... Those were the days!<…
  • OPUS.ROMI was downloading the new RealSpectrum emulator with low level access to disks like Opus Discovery disks. But now I need the ROM file. Where can I ge…
  • RAM Test ROM?Found a link to this: <br /> [url]http://www.retroreview.com/iang/TestSpec4.zip[/url]<br /> in another thread, and fired it up in SPIN, but I have no…
  • Copy interface ROM content to RamHi all,<br /> <br /> I have a very rare logitec centronics and disc interface. To save its ROM content I would like to copy it Ram and store it somew…
  • uses for the interface 2 and ram turbo - rom port?I noticed the games on ebay are quite expensive, I have an interface 2 arriving shortly. I was just wondering if anyone had done any add-ons or used …
  • Opus Discovery ROMHi Spectrum-friends,<br /> <br /> it is now a long time since I used a Opus Discovery daily and even when I bought it I had a 720k drive with him. No…
  • File size in 128K RAM diskHi Folks,<br /> <br /> Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program?<br /> <br /> Many thanks<br …
  • RAM Diagnostic ROMhi all,<br /> <br /> i burn this ROM from here<br /> <br /> [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_T…
  • LOOK at the size of my Rom/EmulatorOk, we have 16k, 48k, 128k, even a 256 odd k Rom/Emulator<br /> <br /> But I want more :p<br /> <br /> Is there anything out there now or been worked…

Related Searches

  • betadisk rom
  • betadisk rom line
  • alternative rom
  • rom
  • rom defekt
  • rom substitute
  • rom spectrum 128k 2
  • 2a new rom
  • forth rom
  • opus discovery
  • 128k rom
  • rom 128k pentagon
  • rom peek 128k pentagon
  • rom peek 128k pentagon 004c
  • rom to ram
  • opus discovery rom
  • opus rom 8k ram 2k
  • opus rom 8kb ram 2kb
  • rom page ram
  • opus discovery dual rom

Copyright © 2024 World of Spectrum