[Coco] NitrOS9 L2 CoCo 3 question: Display settings/modifications

Brett Gordon beretta42 at gmail.com
Fri Jun 17 08:59:54 EDT 2016


I've hand merged my own diddled (with bad CRC's) modules into OS9Boot with
no problems.  Nitros9 has boot-up CRC checking off by default.  I turned it
on once, and the boot up was quite a bit slower.  I'm not sure what happens
to after loaded modules.

-B

On Fri, Jun 17, 2016 at 8:34 AM, Bill Pierce via Coco <coco at maltedmedia.com>
wrote:

> Tormod, I find that odd, unless you're referring to loading system
> modules. If I try to load a program with a bad CRC, it will usually fail.
> Usually "Error 205 - Illegal Module Header", "Error 232 - Incorrect Module
> CRC" or "Error 236 - Bad Module Header".
> I know OS9Boot files with bad CRCs will load and "attempt" to execute, but
> bad CRCs usually mean something is corrupt and the boot (or the bad module
> in some cases) will fail.
> Ident & Id will check module headers (even in merged files like OS9Boot)
> and report bad CRCs.
>
>
>
>
>
>
> Bill Pierce
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> -----Original Message-----
> From: Tormod Volden <lists.tormod at gmail.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Fri, Jun 17, 2016 6:16 am
> Subject: Re: [Coco] NitrOS9 L2 CoCo 3 question: Display
> settings/modifications
>
> On Fri, Jun 17, 2016 at 11:12 AM, Dave Philipsen wrote:> Hey, that reminds
> me....did I read somewhere (perhaps embedded in a source> file somewhere)
> that NirOS9 does not actively use the CRC values for> validating
> modules?This comment:
> https://sourceforge.net/p/nitros9/code/ci/default/tree/level1/modules/kernel/krn.asm#l51CRC
> checking can be used but is not enabled by default for performance
> reasons.Tormod-- Coco mailing listCoco at maltedmedia.comhttps://
> pairlist5.pair.net/mailman/listinfo/coco
>
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