From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <78e754411d4072b6a40222e98493e92a@collyer.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] memory stick
From: Geoff Collyer <geoff@collyer.net>
In-Reply-To: <Pine.LNX.4.44.0305281419290.26256-100000@maxroach.lanl.gov>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Date: Wed, 28 May 2003 16:24:23 -0700
Topicbox-Message-UUID: bb4fe0f4-eacb-11e9-9e20-41e7f4b1d025

Okay, for your 11/50 from V6's bproc(8):

     RK (drive 0):
        012700      mov     $rkda,r0
        177412
        005040      clr     -(r0)          / rkda cleared by start
        010040      mov     r0,-(r0)
        012740      mov     $5,-(r0)
        000005
        105710  1:  tstb    (r0)
        002376      bge     1b
        005007      clr     pc

     RP (drive 0)
        012700      mov     $rpmr,r0
        176726
        005040      clr     -(r0)
        005040      clr     -(r0)
        005040      clr     -(r0)
        010040      mov     r0,-(r0)
        012740      mov     $5,-(r0)
        000005
        105710  1:  tstb    (r0)
        002376      bge     1b
        005007      clr     pc

RKs were the 2.5MB cartridge disks and RPs were removable disk packs.

The TM-11 magtape bootstrap was only 6 words and I think I had it
memorised at one time:

     Magtape from load point:
        012700      mov     $mtcma,r0
        172526
        010040      mov     r0,-(r0)       / usr mt addr for wc
        012740      mov     $60003,-(r0)   / read 9-track
        060003
        000777      br      .              / loop; now halt and start at 0