Document some archaic and removed UUOs.

.MSPACE is from ITS 674.  .ORGI and .ORGO are from AI memo 161.
.ARMOFF, .ARMOVE, .POTSET, .VSCAN, and .VSTST are from AI memo 161A.

doc/sysdoc/uuos.113

@@ -164,17 +164,25 @@ are described in more detail in the file .INFO.;ITS .CALLS.
 	The symbolic call RFPNTR may be used to read the current
 	access pointer for a file.
 
-.ARMOFF
+.ARMOFF					turn AMF arm off
 
-This uuo was for hacking the AMF arm.  The arm no longer exists.
+Turn the ARM arm off.  The arm no longer exists.
 
-.ARMOVE
-
-This uuo was for hacking the AMF arm.  The arm no longer exists.
+.ARMOVE ac,				move AMF arm
+	;normal return
+	;test successful return
+		
+        This system call allows one job at at time to exercise
+        special control over several D/A multiplexor channels.
+        It provides acceleration and velicoty limiting, software
+        limit stops, and conversion from joint number to multiplexor
+        channel.  The accumulator <ac> should contain -<length>,,<addr>
+        pointing to a block of words, each specifying a command.
+        If any test command is true, the .ARMOVE will skip.
 
-.ARMRS
+.ARMRS					reset AMF arm lock flags
 
-This uuo was for hacking the AMF arm.  The arm no longer exists.
+Reset the AMF arm lock flags.  The arm no longer exists.
 
 .ASSIGN ac,				assign a microtape
 	;skip if successful
@@ -1404,6 +1412,22 @@ This uuo was for hacking the AMF arm.  The arm no longer exists.
 	Needless use of it is considered to be antisocial, and may
 	be grounds for harassment.
 
+.MSPACE ac,		ANCIENT HISTORY hack magtape unit 0
+	;skip if successful
+
+	This uuo NO LONGER EXISTS.
+	It is documented here for historical purposes only.
+	Its function has been superseded by .MTAPE.
+	Its opcode has been recycled as .DWORD.
+
+	Accumulator <ac> should have a function code.
+	The job should have device MT0 open.
+	Valid function codes are:
+	0	Rewind tape.
+	1	Space to end-of-tape.
+	2	Write end-of-file.
+	17	Hang until interrupt routine dies.
+
 .MTAPE ac,				hack magtape
 	;skip if successful
 
@@ -1614,6 +1638,25 @@ This uuo was for hacking the AMF arm.  The arm no longer exists.
 	.OPER 110	.GENNUM
 	.OPER 111	.NETINT
 
+.ORGI ac,		ANCIENT HISTORY read organ keboard
+
+	This uuo NO LONGER EXISTS.
+	It is documented here for historical purposes only.
+	Its function is obsolete.
+	Its opcode has been recycled as .PDTIME.
+
+	Read input from an electric organ keyboard and store in <ac>
+	through <ac+2>.
+
+.ORGO ac,		ANCIENT HISTORY write tone generator
+
+	This uuo NO LONGER EXISTS.
+	It is documented here for historical purposes only.
+	Its function is obsolete.
+	Its opcode has been recycled as .ARMRS.
+
+	Write output to a tone generator from <ac> through <ac+2>.
+
 .PDTIME ac,				PD time
 
 	Returns in accumulator <ac> the time since the beginning of the
@@ -1622,7 +1665,10 @@ This uuo was for hacking the AMF arm.  The arm no longer exists.
 	clock on which this was based.  Said clock ceased to work many
 	years ago.
 
-.POTSET
+.POTSET [block]				read pots
+
+	This call gives the user a flexible means of controlling
+	program parameters via the input multiplexer.
 
 .RBTC ac,				robot console switches
 
@@ -2256,9 +2302,23 @@ This uuo was for hacking the AMF arm.  The arm no longer exists.
 	disowned from its superior.  See the DDT documentation
 	for specific details on .VALUE.
 
-.VSCAN
+.VSCAN <block>				read vidissector data
+
+	The effective address should point at an eleven word
+	block of parameters defining the points to be scanned,
+	the locations to be read into, the mode they are to be
+	read in, and whether the call should hang until the
+	scan is through.
 
-.VSTST
+.VSTST ac,				test vidissector
+
+	This system call allows later control of and sensing by
+	a job that has overlapped computation with a .VSCAN.  If
+	the contents of <ac> is positive, the .VSTST hangs till
+	the scan is over.  If the contents of <ac> is negative,
+	any scan in progress is aborted.  If the contents is zero,
+	the user's location then being stored into by the scan,
+	if any, replaces it.
 
 .WMAR ac,		ANCIENT HISTORY	write mar address