[Simh] Raw access to disk/cdrom devices
Zane H. Healy
healyzh at aracnet.com
Thu Mar 25 19:11:47 EST 2004
>I was thinking about how difficult it would be to add support for accessing
>physical devices from simh. My idea was initially to add support for a
>SCSI controller in the pdp11 simulator and then add the code to have it
>talk directly to either a physical SCSI card in the host machine or to the
>individual devices. I'm not sure how os-independent this can be, however.
>Has anyone else had any thoughts about how this could be implemented?
Under Unix is should simply be a case of doing at "ATTACH RQ0
/dev/cdrom", however, last I checked that doesn't work for some
reason. Something like this can't really be os-indepentent (except
among the Unix flavors).
Zane
--
--
| Zane H. Healy | UNIX Systems Administrator |
| healyzh at aracnet.com (primary) | OpenVMS Enthusiast |
| | Classic Computer Collector |
+----------------------------------+----------------------------+
| Empire of the Petal Throne and Traveller Role Playing, |
| PDP-10 Emulation and Zane's Computer Museum. |
| http://www.aracnet.com/~healyzh/ |
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