Drobe :: The archives
About Drobe | Contact | RSS | Twitter | Tech docs | Downloads | BBC Micro

Confirm comment report request

Note that someone may have already mentioned this on the newsgroups - I haven't scanned all of them so far.

If the patent's only to do with partially banked registers, then it'll be possible to make a 26-bit ARM processor which doesn't do this, but when you enter an interrupt, you copy the unbanked registers from the user mode to the interrupt mode, thus emulating banking in software without actually using partial banks. This veneer would consume a small amount of CPU, but it does mean that we can keep our 26-bit stuff safe, and future proof.

That's if people still want 26-bit mode to be in existance. I personally don't mind if we move over to 32-bit (but I wouldn't want only one machine manufacturer to support it).

 is a RISC OS Usertribbles2 on 19/6/03 3:57PM
[ Reply | Permalink | Report ]

Click on the button below to confirm you wish to flag up this comment to the website's administrators. Abuse of this service will be frowned upon and it should only be used to notify us of comments that are extremely distasteful, indecent or otherwise unlawful. If you disagree with an opinion expressed or fact stated in a comment, please take part in the debate rather than expect it to be removed.

Return to the drobe.co.uk front page

Details

Reporting user / IP: / 3.233.224.8
Comment GID: 4624
Timestamp: Mon, 16 Dec 2019 09:53:44 +0000

Search the archives

Today's featured article

  • Manchester RISC OS Jaunt
    Martin Hansen does Northern dealers
     21 comments, latest by Anon on 3/1/04 9:06PM. Published: 21 Dec 2003

  • Random article

  • Generating PDFs on RISC OS
    Mark Rowan's mini-howto
     11 comments, latest by EPDM on 12/4/03 11:40PM. Published: 8 Apr 2003

  • Useful links

    News and media:
    IconbarMyRISCOSArcSiteRISCOScodeANSC.S.A.AnnounceArchiveQercusRiscWorldDrag'n'DropGAG-News

    Top developers:
    RISCOS LtdRISC OS OpenMW SoftwareR-CompAdvantage SixVirtualAcorn

    Dealers:
    CJE MicrosAPDLCastlea4X-AmpleLiquid SiliconWebmonster

    Usergroups:
    WROCCRONENKACCIRUGSASAUGROUGOLRONWUGMUGWAUGGAGRISCOS.be

    Useful:
    RISCOS.org.ukRISCOS.orgRISCOS.infoFilebaseChris Why's Acorn/RISC OS collectionNetSurf

    Non-RISC OS:
    The RegisterThe InquirerApple InsiderBBC NewsSky NewsGoogle Newsxkcddiodesign


    © 1999-2009 The Drobe Team. Some rights reserved, click here for more information
    Powered by MiniDrobeCMS, based on J4U | Statistics
    "Drobe is just cheap British press"
    Page generated in 0.0494 seconds.