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<1…6789101112…34>
  • Think! and copyrightHello all, I would like to make a small game for Windows, based a little on Think! - my questions are: should I ask someone for the permission? If s…

    ... are they the copyright holders? Is there a copyright by the way ...
    sorrow sorrow September 2009 Games
  • RAM PagingCan anyone shed some light as to how RAM paging actually works, at a hardware level (so not POKE xxxxx stuff). I know about CE and OE lines on DRAMs …

    ... some light as to how RAM paging actually works, at a ...
    Womble Womble December 2009 Hardware
  • How much ram has my ZX Spectrum?How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not. Thanks! Micky

    How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not.

    Thanks!


    Micky
    -Micky -Micky December 2009 Hardware
  • Test single ram chips?Is it possible to test single ram chips? Micky

    Is it possible to test single ram chips?


    Micky
    -Micky -Micky January 2010 Hardware
  • 4116 ram chipsI need some ram chips to fix my 48k + issue3b, I have done the composite video mod and it works, now i just wanna play games on it but its stuck on r…

    I need some ram chips to fix my 48k + ... advised to replace the lower ram chips. I can't test ...
    rustyredline rustyredline January 2010 Wanted
  • Making BASIC occupy less RAM?I risk being told to search the forums and the entire archive of type-ins, but here it goes... Is there any known utility to do all the hard work of…

    ... a BASIC listing in high RAM, and then a routine in ... "uncompressed" listing would fit the RAM just fine. How would I ...
    zxbruno zxbruno January 2010 Sinclair Basic
  • Ram joystick interface and Competition ProMy Ram joystick interface does not work probably with a Competiton Pro joystick with autofire (on a ZX 48K). Is this normal? My Competition Pro wit…

    My Ram joystick interface does not work probably with a Competiton Pro joystick with autofire (on a ZX 48K). Is this normal?

    My Competition Pro without autofire works very well.


    Micky
    -Micky -Micky January 2010 Hardware
  • Looking for some 48k RAM (upper 32k bank)Greetings, I was wondering where I could find some upper RAM for a 48k (issue 4A). It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatib…

    Greetings,
    I was wondering where I could find some upper RAM for a 48k (issue 4A).
    It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatible RAM).

    Thanks,
    Thomas
    thomas3120 thomas3120 February 2010 Hardware
  • zx81 internal ram upgrade?just curious if others have? I mean can you just rip the memory out of the ram-pack and use that.. as I'd rather just have the unit upgraded interna…

    ... the memory out of the ram-pack and use that.. as ...
    fog fog May 2010 Hardware
  • LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…

    ... the detailed timings of contended RAM. It gives timings for Z80 ... in, or reading/writing, contended RAM.

    I can decipher ... 48K, or double buffered -- paging RAM bank 7 into a 128K ...
    ajmoss ajmoss June 2010 Development
  • Broken ram or what?Hi! I own ZX Spectrum 48K. When i run command PRINT PEEK 23732 + 256 * PEEK 23733, I should get answer 65535? But i get 49151. In my machine the upp…

    ... test program which can test ram. It also says that machine ... has broken ram. And if i remove upper ...
    lillaolle64 lillaolle64 July 2010 Hardware
  • The incomplete Contact Sam Cruise RAM disassemblyThe incomplete Contact Sam Cruise RAM disassembly is now up at pyskool.ca: [url="http://pyskool.ca/disassemblies/contact_sam_cruise/"]Browse online[…

    The incomplete Contact Sam Cruise RAM disassembly is now up at ...
    SkoolKid SkoolKid December 2010 Development
  • How the spectrum generates the video from ramHi everyon, I know that most people here allready know this but i think i found out how the spectrum acctually dispalys stuff and why the LD x, (HL)…

    ... assign the first K of ram to video memory and the ... is accessing the higher order ram (> 16K) the ULA (or ...
    Robin Robin January 2011 Hardware
  • copyright questionI'm working on a documentary film at present, and just working out what shots to put togther to go with the interviews we have. I've got person who r…

    ... /> My query is regarding the copyright on the games. As I ...
    Retro_eido Retro_eido January 2011 Games
  • Is there still copyright on the Sinclair logo?On Ebay.UK I came across this auction: [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=130477206458[/url] Who is the owner of this Sincla…

    ... the seller await if the copyright owner finds out the not ... was afraid because of the copyright. Am I right?

    Speccyman Speccyman March 2011 Sinclair Miscellaneous
  • Win2003 tweaking to make better use of lotsa RAM ?I have a server running Win2003. This machine is fitted with 4 GB of RAM, which is far more than strictly required. It only runs a few apps, and is …

    ... fitted with 4 GB of RAM, which is far more than ... " 2 GB of the available RAM without losing any steam.
    RAM at startup to reduce the ...
    Pilsener Pilsener March 2011 Chit chat
  • Speccy boxes with no RAM markingHi people, I noticed the other day that my Issue 1's box is different to the others. All the other boxes have "16K RAM" or "48K RAM" printed on them…

    ... other boxes have "16K RAM" or "48K RAM" printed on them in ... all, but has a "16K RAM" sticker on one end only ...
    Spirantho Spirantho April 2011 Sinclair Miscellaneous
  • Spectrums with gold RAM chips?Hey people, This is a first for me: [img]http://www.mutant-caterpillar.co.uk/ian_stuff/blingspeccy.jpg[/img] Is it normal to have gold RAM chips? …

    Hey people,

    This is a first for me:

    [img]http://www.mutant-caterpillar.co.uk/ian_stuff/blingspeccy.jpg[/img]

    Is it normal to have gold RAM chips? I've not seen this before!
    Spirantho Spirantho May 2011 Hardware
  • Copyright law may change (related to orphan works)[url]http://www.bbc.co.uk/news/entertainment-arts-13388167[/url] could this count computer games too? where the copyright owner is "lost"?

    [url]http://www.bbc.co.uk/news/entertainment-arts-13388167[/url]

    could this count computer games too? where the copyright owner is "lost"?
    mel the bell mel the bell May 2011 Chit chat
  • Cheetah 32K RAM PackI acquired a Cheetah 32K RAM Pack this week and took it apart to give it a clean. Unusually all the identification marks on the top of the chips hav…

    I acquired a Cheetah 32K RAM Pack this week and took ... .org/Vintage/Sinclair/82/Peripherials/Ram%20extensions/Cheetah%2032K%20Rampack/PCB ...
    jp jp May 2011 Hardware
  • Copyright law changesI'm no high priced fancy pants lawyer, but I think this story might have some affect (positive) on the Speccy scene [url=http://www.bbc.co.uk/news/t…

    I'm no high priced fancy pants lawyer, but I think this story might have some affect (positive) on the Speccy scene

    [url=http://www.bbc.co.uk/news/technology-13429217]Hargreaves review gives copyright law digital makeover[/url]
    chop983 chop983 May 2011 Sinclair Miscellaneous
  • Copyright questionIf I was to recreate the Miner Willy sprite for use in my own game would that infringe on copyright?

    If I was to recreate the Miner Willy sprite for use in my own game would that infringe on copyright?
    Rebelstar without a cause Rebelstar without a cause June 2011 Sinclair Miscellaneous
  • changing extended RAM pages in SpinIs it possible to edit the data in 128k extended RAM pages in Spin? I've tried both the debugger tool and the pokes tool and, although they let me ma…

    ... the data in 128k extended RAM pages in Spin? I've ...
    Battle Bunny Battle Bunny July 2011 Emulators
  • 128K+2A/+3 RAM layoutDoes anybody know how physical RAM is mapped to ZX 128k+2a/+3 address space ? There are four 64Kx4 chips IC4-IC7. IC4-IC5 seems to be contended (vide…

    Does anybody know how physical RAM is mapped to ZX 128k+ ... be contended (video RAM). It would mean RAM banks 4-7
    RAM test program, can be on ...
    kpuchatek kpuchatek July 2011 Hardware
  • 128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…

    ... to be used to page RAM, which from BASIC would be ...
    Battle Bunny Battle Bunny August 2011 Sinclair Basic
  • File size in 128K RAM diskHi Folks, Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program? Many thanks Paddy

    Hi Folks,

    Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program?

    Many thanks

    Paddy
    Paddy Coleman Paddy Coleman September 2011 Sinclair Basic
  • Channel 5 blocking youtube content that they do not own copyright forA clip from the excellent scottish sitcom Burnistoun has been blocked on youtube by Channel 5 even though Channel 5 dont own the copyright. The main …

    ... Channel 5 dont own the copyright. The main writer and star ...
    festershinetop festershinetop December 2011 Chit chat
  • ISR's in lower ram, a.k.a. the snow effect - did any game or demo ever use this?Hi all I've been curious to see what the 'snow effect' looked like in real life for a while now so today I wrote a quick IM 2 ISR in lower ram to wi…

    ... IM 2 ISR in lower ram to witness it firsthand. Pretty ...
    cmonkey cmonkey January 2012 Games
  • Ram Turbo compatibilityThe Ram Turbo interface, couple of joystick ports (iirc they can be Kempston too) and a IF2 style cartridge slot. This one > [url]http://www.worldofs…

    The Ram Turbo interface, couple of joystick ...
    spider spider March 2012 Hardware
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