AC0-2 selects 8 columns
AC3-6 selects 10 rows
-> 80 keys

xx4	S33	-> Caps lock
000	W4	always closed
001	S69	num 7
002	S31	DELETE
003	S15	BACK SPACE
004	S66	F2
005	S77	num 1
006	S73	num 4
007	S74	num 5
010	S78	num 2
011	S42	L
012	S6	5%
013	S4	3#
014	S9	8*
015	S63	SPACE
016	S48	SCROLL
017	S82	num .
020	S3	2@
021	S43	;:
022	S22	T
023	S37	F
024	S25	I
025	S55	N
026	S17	TAB
027	S45	{}
030	S19	W
031	S26	O
032	S5	4$
033	S53	V
034	S24	U
035	S56	M
036	S1	ESC
037	S59	/?
040	S35	S
041	S10	9(
042	S39	H
043	S54	B
044	S8	7&
045	S40	J
046	S34	A
047	S44	'"
050	S52	C
051	S27	P
052	S21	R
053	S36	D
054	S7	6^
055	S23	Y
056	S18	Q
057	S12	-_
060	S51	X
061	S30	LINE FEED
062	S29	\|
063	S13	=+
064	S14	`~
065	S58	.>
066	S64 S47 S46	unused RETURN unused
067	S62	COPY
070	S50	Z
071	S11	0)
072	S38	G
073	S20	E
074	S41	K
075	S57	,<
076	S2	1!
077	S28	[]
100	S76	arrow right
101	S71	num 9
102	S72	arrow down
103	S67	F3
104	S68	arrow up
105	S79	num 3
106	S75	num 6
107	S80	arrow left
110	S81	num 0
111	S83	ENTER
112	S70	num 8
113	S65	F1
114	S16	BREAK		special handling
115	S61	REPEAT
116	S32	CTRL
117	S49 S60	SHIFT