SAIL CHARACTER SET	| char	ascii| (if different)
			|tty	 SOS |

--------|0------|1------|2------|3------|4------|5------|6------|7------|
   00	|  NUL	| ↓ SOH	| α STX	| β ETX	| ∧ EOT	| ¬ ENQ	| ε ACK	| π BEL	|
	|↑@   	|↑A  ?!	|↑B  ?"	|↑C  ?#	|↑D  ?$	|↑E  ?%	|↑F  ?&	|↑G  ?'	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   01	| λ  BS	|  TAB	|  LF	|  VT	|  FF	|  CR	| ∞  SO	| ∂  SI	|
	|↑H  ?(	|↑I	|	|	|↑L	|	|↑N  ?)	|↑O  ?*	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   02	| ⊂ DLE	| ⊃ DC1	| ∩ DC2	| ∪ DC3	| ∀ DC4	| ∃ NAK	| ⊗ SYN	| ↔ ETB	|
	|↑P  ?+	|↑Q  ?,	|↑R  ?-	|↑S  ?.	|↑T  ?/	|↑U  ?0	|↑V  ?1	|↑W  ?2	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   03	| _ CAN	| →  EM	| ~ SUB	| ≠ ESC	| ≤  FS	| ≥  GS	| ≡  RS	| ∨  US	|
	|↑X  ?9	|↑Y  ?6	|    ?3	|↑[  ?=	|↑\  ?<	|↑]  ?>	|↑↑  ?7	|↑←  ?8	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   04	| SPACE	| !	| "	| #	| $	| %	| &	| '	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   05	| (	| )	| *	| +	| ,	| -	| .	| /	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   06	| 0	| 1	| 2	| 3	| 4	| 5	| 6	| 7	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   07	| 8	| 9	| :	| ;	| <	| =	| >	| ?	|
	|	|	|	|	|	|	|	|    ??	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   10	| @	| A	| B	| C	| D	| E	| F	| G	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   11	| H	| I	| J	| K	| L	| M	| N	| O	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   12	| P	| Q	| R	| S	| T	| U	| V	| W	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   13	| X	| Y	| Z	| [	| \	| ]	| ↑	| ←	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   14	| `	| a	| b	| c	| d	| e	| f	| g	|
	|none ?@|    ?A	|    ?B	|   etc.|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   15	| h	| i	| j	| k	| l	| m	| n	| o	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   16	| p	| q	| r	| s	| t	| u	| v	| w	|
	|	|	|	|	|	|	|	|	|
--------|0------|1------|2------|3------|4------|5------|6------|7------|
   17	| x	| y	| z	| {	| |	| ALT }	| }   ~	|  DEL	|
	|	|	|	|none ?[|    ?!	|	|    ?]	|   none|
--------|-------|-------|-------|-------|-------|-------|-------|-------|
LPT special characters (preceeded by DEL)

   00	NUL	center-dot	   11	 HT	gamma
   12	 LF	delta		   13	 VT	integral
   14	 FF	plus-minus	   15	 CR	circle-plus


DPY control keys

  200	CTRL	integral (vt)	  400	META	plus-minus (ff)
 

ASCII CONTROL CHARACTERS:

   00	NUL	null		   01	SOH	start of heading
   02	STX	start of text	   03	ETX	end of text
   04	EOT	end of trans.      05	ENQ	enquiry
   06	ACK	acknowledge	   07	BEL	bell
   10	 BS	backspace	   11	 HT	horriz. tab
   12	 LF	line feed	   13	 VT	vert. tab
   14	 FF	form feed	   15	 CR	carriage return
   16	 SO	shift out	   17	 SI	shift in
   20	DLE	data link esc.	   21	DC1	device control 1
   22	DC2	dev. cont. 2	   23	DC3	dev. cont. 3
   24	DC4	 (stop)		   25	NAK	negative acknowledge
   26	SYN	synchronous idle   27	ETB	end of trans. block
   30	CAN	cancel		   31	 EM	end of medium
   32	SUB	substitute	   33	ESC	escape (altmode)
   34	 FS	file sep.	   35	 GS	group sep.
   36	 RS	record sep.	   37	 US	unit sep.
   40	 SP	space		  177	DEL	delete