Tandy 1000 Basic Reference Manual

Appendix B
The IALT] key provides a way to generate the ASCII codes of deci-
mal numbers in the range
1 to 255. Hold down the [ALTI key
while you type
on the numeric keypad any decimal number in the
range
1 to 255. When you release [, the ASCII code of the
number typed is generated and displayed.
Note: When the NUM LOCK light is off, the Normal
and SHIFT columns for these keys should be reversed.
All numeric values in the table are expressed in hexadecimal.
QWERTY (USA) - Tandy 1000
ASCII Codes
Scan Keyboard SHIFT CTRL
Code Legend Normal ALT Remarks
01 ESC 1B
02
03
04
05
06
07
08
09
0A
OB
0c
0D
BE
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1c
1D
1E
1F
20
21
22
1 !
2 @
3 #
4 $
5 %
6
7 &?
8
9 (
0 1
*
-
+
- -
BACK SPACE
TAB
Q
W
E
R
T
Y
U
I
0
P
[ {
1 I
ENTER
CTRL
A
S
D
F
G
31
32
33
34
35
36
37
38
39
30
2D
3D
08
09
71
77
65
72
74
79
75
69
6F
70
5B
5D
OD
61
73
64
66
67
*
1B
21
40
23
24
25
5E
26
2A
28
29
5F
2B
08
x0F
51
57
45
52
54
59
55
49
4F
50
7B
7D
OD
41
53
44
46
47
*
1B x8B
xEl x78
x03 x79
xE3 x7A
xE4 x7B
xE5 x7C
1E x7D
xE7 x7E
xE8 x7F
xE9 x80
xE0 x81
1F x82
xF5 x83
7F x8C
x8D x8E
11 x10
17 xll
05 x12
12 x13
14 x14
19 x15
15 x16
09 x17
OF x18
10 x19
1B xEB
1D xF0
OA x8F Main Keyboard
* * Control Mode
01 xlE
13 xlF
04 x20
06 x21
07 x22
380

Tandy 1000 Specifications

General

Processor	Intel 8088
Processor Speed	4.77 MHz
RAM	128 KB (expandable to 640 KB)
Operating System	MS-DOS 2.11
Manufacturer	Tandy Corporation
Release Year	1984
Storage	Single or double 5.25" floppy disk drive (360 KB), optional hard drive
Sound	Tandy 3-voice sound
Ports	Parallel, Serial
Graphics	CGA (Color Graphics Adapter)
Graphics Modes	320x200, 640x200