Date   : Sat, 13 Nov 1982 00:31:00-EST
From   : Ronald G Fowler <RGF@Mit-Mc>
Subject: [RGF: CP/M disk logins]

Date: 13 November 1982 00:27-EST
From: Ronald G. Fowler <RGF>
To:   goldfarb.ucf-cs at UDEL-RELAY
cc:   RGF, mknox at UTEXAS-11
Re:   CP/M disk logins

  In fact, once accessed, a disk is considered logged until the
next warm-boot, even if it has changed.  The bit passed in E is
actually the login vector rotated such that e reg bit 0 has the
requested login vector bit.                    --Ron