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1990-02-11
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..pgno01
..foot63AB-##
..head02L──────────────────────────────────────────────────────────────────────
..head04L──────────────────────────────────────────────────────────────────────
..head03LKeyBoard Return Codes
This appendix lists the keyboard codes for all the key combinations
for the entire keyboard, as they are seen by the function ReadKbd.
All keys are turned into either a one or two character code.
To understand the table below assume St is a two character string.
St[0] is the length of the character code returned. If the length of
St is one then a normal ASCII character was pressed, otherwise an
extended code is generated. Notice that some of the keyboard codes do
produce a two character code with the first character being null.
If the length of St is one then a normal ASCII character code was read
from the keyboard. This covers the ASCII values 32-127.
If the length of St is two then one of the keys that are usually used
for cursor control was read from the keyboard. If this is the case
then St[1] will be either a 0 or 27 depending on the key combination
read from the keyboard.
Use of the switch statement works well with this type of setup to
determine which keyboard keys were read.
switch Ch[1] {
case 0 : printf( "Control code used." );
case 27 : printf( "Control code used." );
default : if ( Ch[1] >= 32 && Ch[1] <= 127 )
printf( "Printable code used." );
};
Key Key
Pressed CH[0] CH[1] CH[2] Pressed CH[0] CH[1] CH[2]
--------- ----- ----- ----- --------- ----- ----- -----
(space) 1 32 0 0 1 48 0
! 1 33 0 1 1 49 0
" 1 34 0 2 1 50 0
# 1 35 0 3 1 51 0
$ 1 36 0 4 1 52 0
% 1 37 0 5 1 53 0
& 1 38 0 6 1 54 0
' 1 39 0 7 1 55 0
( 1 40 0 8 1 56 0
) 1 41 0 9 1 57 0
* 1 42 0 : 1 58 0
+ 1 43 0 ; 1 59 0
, 1 44 0 < 1 60 0
- 1 45 0 = 1 61 0
. 1 46 0 > 1 62 0
/ 1 47 0 ? 1 63 0
..page
..head02
..head03
..head04
Key Key
Pressed CH[0] CH[1] CH[2] Pressed CH[0] CH[1] CH[2]
--------- ----- ----- ----- --------- ----- ----- -----
@ 1 64 0 p 1 112 0
A 1 65 0 q 1 113 0
B 1 66 0 r 1 114 0
C 1 67 0 s 1 115 0
D 1 68 0 t 1 116 0
E 1 69 0 u 1 117 0
F 1 70 0 v 1 118 0
G 1 71 0 w 1 119 0
H 1 72 0 x 1 120 0
I 1 73 0 y 1 121 0
J 1 74 0 z 1 122 0
K 1 75 0 { 1 123 0
L 1 76 0 | 1 124 0
M 1 77 0 } 1 125 0
N 1 78 0 ~ 1 126 0
O 1 79 0 Ctrl-Break 2 27 0
P 1 80 0 Esc 2 27 1
Q 1 81 0 Ctrl-2 2 27 3
R 1 82 0 BackSp 2 27 8
S 1 83 0 Tab 2 27 9
T 1 84 0 Ctrl-Enter 2 27 10
U 1 85 0 Enter 2 27 13
V 1 86 0 Ctrl-BS 2 27 14
W 1 87 0 Shft-Tab 2 27 15
X 1 88 0 Alt-Q 2 27 16
Y 1 89 0 Alt-W 2 27 17
Z 1 90 0 Alt-E 2 27 18
[ 1 91 0 Alt-R 2 27 19
\ 1 92 0 Alt-T 2 27 20
] 1 93 0 Alt-Y 2 27 21
^ 1 94 0 Alt-U 2 27 22
_ 1 95 0 Alt-I 2 27 23
` 1 96 0 Alt-O 2 27 24
a 1 97 0 Alt-P 2 27 25
b 1 98 0 Alt-A 2 27 30
c 1 99 0 Alt-S 2 27 31
d 1 100 0 Alt-D 2 27 32
e 1 101 0 Alt-F 2 27 33
f 1 102 0 Alt-G 2 27 34
g 1 103 0 Alt-H 2 27 35
h 1 104 0 Alt-J 2 27 36
i 1 105 0 Alt-K 2 27 37
j 1 106 0 Alt-L 2 27 38
k 1 107 0 Alt-Z 2 27 44
l 1 108 0 Alt-X 2 27 45
m 1 109 0 Alt-C 2 27 46
n 1 110 0 Alt-V 2 27 47
o 1 111 0 Alt-B 2 27 48
..page
Key Key
Pressed Ch[0] Ch[1] Ch[2] Pressed Ch[0] Ch[1] Ch[2]
--------- ----- ----- ----- --------- ----- ----- -----
Alt-N 2 27 49 Alt-F7 2 27 110
Alt-M 2 27 50 Alt-F8 2 27 111
F1 2 27 59 Alt-F9 2 27 112
F2 2 27 60 Alt-F10 2 27 113
F3 2 27 61 Ctrl-LArr 2 27 115
F4 2 27 62 Ctrl-RArr 2 27 116
F5 2 27 63 Ctrl-End 2 27 117
F6 2 27 64 Ctrl-PgDn 2 27 118
F7 2 27 65 Ctrl-Home 2 27 119
F8 2 27 66 Alt-1 2 27 120
F9 2 27 67 Alt-2 2 27 121
F10 2 27 68 Alt-3 2 27 122
Home 2 27 71 Alt-4 2 27 123
UArr 2 27 72 Alt-5 2 27 124
PgUp 2 27 73 Alt-6 2 27 125
LArr 2 27 75 Alt-7 2 27 126
RArr 2 27 77 Alt-8 2 27 127
End 2 27 79 Alt-9 2 27 128
DArr 2 27 80 Alt-0 2 27 129
PgDn 2 27 81 Alt-- 2 27 130
Ins 2 27 82 Alt-= 2 27 131
Del 2 27 83 Ctrl-PgUp 2 27 132
Shft-F1 2 27 84 Ctrl-A 2 0 1
Shft-F2 2 27 85 Ctrl-B 2 0 2
Shft-F3 2 27 86 Ctrl-C 2 0 3
Shft-F4 2 27 87 Ctrl-D 2 0 4
Shft-F5 2 27 88 Ctrl-E 2 0 5
Shft-F6 2 27 89 Ctrl-F 2 0 6
Shft-F7 2 27 90 Ctrl-G 2 0 7
Shft-F8 2 27 91 Ctrl-H 2 0 8
Shft-F9 2 27 92 Ctrl-I 2 0 9
Shft-F10 2 27 93 Ctrl-J 2 0 10
Ctrl-F1 2 27 94 Ctrl-K 2 0 11
Ctrl-F2 2 27 95 Ctrl-L 2 0 12
Ctrl-F3 2 27 96 Ctrl-M 2 0 13
Ctrl-F4 2 27 97 Ctrl-N 2 0 14
Ctrl-F5 2 27 98 Ctrl-O 2 0 15
Ctrl-F6 2 27 99 Ctrl-P 2 0 16
Ctrl-F7 2 27 100 Ctrl-Q 2 0 17
Ctrl-F8 2 27 101 Ctrl-R 2 0 18
Ctrl-F9 2 27 102 Ctrl-S 2 0 19
Ctrl-F10 2 27 103 Ctrl-T 2 0 20
Alt-F1 2 27 104 Ctrl-U 2 0 21
Alt-F2 2 27 105 Ctrl-V 2 0 22
Alt-F3 2 27 106 Ctrl-W 2 0 23
Alt-F4 2 27 107 Ctrl-X 2 0 24
Alt-F5 2 27 108 Ctrl-Y 2 0 25
Alt-F6 2 27 109 Ctrl-Z 2 0 26
..page
Key
Pressed Ch[0] Ch[1] Ch[2]
--------- ----- ----- -----
Ctrl-[ 2 0 27
Ctrl-\ 2 0 28
Ctrl-] 2 0 29
Ctrl-6 2 0 30
Ctrl-- 2 0 31
..page
