PDP11 I/O page memory map

[Noel Chiappa]

    > From: Charles Dickman

    > So if the I/O page is completely (all processor modes) unmapped is
    > there any way to recover besides a power cycle? Does the RESET
    > instruction disable the MMU?

Interesting questions!

The CPU manuals don't say, about the RE$ET; I just tried it on the /23 I
happen to have next to my desktop, and yes, the RESET instruction does clear
bit 0 of SSR0.

	Noel