icon  CGRAM address  description
      byte bit
1     $0a  4         folder symbol
2     $0a  3         RND
3     $0a  2         NEWS
4     $0a  1         LOC
5     $0a  0         PTY
6     $0b  3         frame around icon 7
7     $0b  4         TP
8     $0b  2         TA
9     $0b  1         -L
10    $0b  0         -D (together with icon 9)
11    $0c  4         AST
12    $0c  3         FM
13    $0c  2         AM (together with icon 12)
14    $0e  0         left seven segment A
15    $0e  1         left seven segment B
16    $0e  4         left seven segment C
17    $0c  1         left seven segment D
18    $0c  0         left seven segment E
19    $0e  2         left seven segment F
20    $0e  3         left seven segment G
21    $0f  4         P
22    $09  1         right seven segment A
23    $09  2         right seven segment B
24    $0f  1         right seven segment C
25    $0f  3         right seven segment D
26    $0f  2         right seven segment E
28    $09  3         right seven segment F
28    $0f  0         right seven segment G
29    $09  0         stereo symbol