Tandy 1000 Basic Reference Manual

Appendix B
ASCII Codes
Scan Keyboard SHIFT CTRL
Code Legend Normal ALT Remarks
23
24
25
26
27
28
29
2A
2B
2c
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3c
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
4A
4B
4c
4D
4E
4F
50
51
52
53
H
J
K
L
UP ARROW
SHIFT
LEFT ARROW
Z
X
C
V
B
N
M
<
>
I ?
SHIFT
PRINT
ALT
space bar
CAPS
F1
F2
F3
F4
F5
F6
F7
F8
F9
F1O
NUM LOCK
HOLD
7 \
8
9 PG UP
DOWN ARROW
5
6
RIGHT ARROW
1 END
2
3 PG DN
0
4
I
DELETE
68
6A
6B
6C
3B
27
x48
x4B
7A
78
63
76
62
6E
6D
2c
2E
2F
10
20
x3B
x3c
x3D
x3E
x3F
x40
x4
1
x42
x43
x44
*
*
*
*
*
*
37
38
39
x50
34
35
36
x4D
31
32
33
30
2D
48
4A
4B
4c
3A
22
x85
X87
5A
58
43
56
42
4E
4D
3c
3E
3F
*
*
*
*
20
x54
x55
x56
x57
x58
x59
x5A
x5B
x5c
x5D
*
*
*
5c
7E
x49
x86
7C
xF3
xF4
X88
x4F
60
x5
1
x9B
x53
08
OA
OB
0c
xF6
xF7
x90
x73
1A
18
03
16
02
OE
OD
xF9
xFA
xFB
x72
20
x5E
x5F
x60
x6 1
x62
x63
x64
x65
x66
x67
*
*
*
*
*
*
x93
x94
x84
x96
x95
xFC
xFD
x74
x75
x9A
x76
x9c
x9D
x23
x24
x25
x26
xF8
xF1
x91
* Left SHIFT
x92
x2c
x2D
x2E
x2F
x30
x3
1
x32
x89
x8A
xF2
* Right SHIFT
x46 SCR Print Toggle
* Alternate Mode
20
* Caps lock
x68
x69
x6A
x6B
x6C
x6D
x6E
x6F
x70
x7
1
* number lock
* Freeze display
*
*
*
x97
*
*
*
xEA
*
*
*
*
x9E
381

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