Texas Instruments TI-99/4A User Reference Guide

Appendix
FUNCTION AND CONTROL KEY CODES
Codes are also assigned to the function and control keys. so that these can be referenced by the
CALL KEY subprogram in TI BASIC. The codes assigned depend on the keyunitvalue specified in
a
CALL KEY program statement.
Function Key Codes
Codes
TJ.99/4 ~
BASIC Modes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Codes
Pascal
Mode
IllJ
130
131
132
133
134
135
136
137
138
139
140
141
142
143
Function
Name
AID
CLEAR
DELete
INSert
QUIT
REDO
ERASE
LEFT arrow
RIGHT arrow
DOWN arrow
UP arrow
PROD'D
ENTER
BEGIN
BACK
Control Key Codes
Function
Key
FeTN 7
FCTN 4
FCTN
1
FCTN :2
FCTN =
FCTN 8
FCTN 3
FCTN 5
FCTN D
FCTN
X
FCTN E
FCTN 6
ENTER
FCTN
5
FCTN 9
BASIC
Mode
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
14~
149
150
151
152
153
154
155
156
157
158
159
III-2
Pascal
Mode
1
2
3
4
5
6
7
8
o
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
2S
26
27
28
29
30
31
Mnemonic
Code
SOH
STX
ETX
EOT
ENQ
ACK
BEL
BS
HT
LF
VT
FF
CR
SO
S1
OLE
DCl
DC2
DC3
DC4
NAK
SYN
ETB
CAN
EM
SUB
ESC
FS
GS
RS
US
Press
CONTROL A
CONTROL B
CONTROL C
CONTROL D
CONTROLE
CONTROL F
CONTROL G
CONTROL H
CONTROL I
CONTROLj
CONTROL K
CONTROL L
CONTROL M
CONTROL N
CONTROL a
CONTROL P
CONTROLQ
CONTROL R
CONTROLS
CONTROLT
CONTROL U
CONTROL V
CONTROLW
CONTROL X
CONTROL Y
CONTROLZ
CONTROL.
CONTROL;
CONTROL =
CONTROLS
CONTROL 9
Comments
Start of heading
Start of text
End of text
End of transmission
Enquiry
Acknowledge
Bell
Backspace
Horizontal tabulo.tion
Line feed
Vertical tabulation
Form feed
Carriage return
Shift out
Shift in
Datu link esco.pe
Device control 1 (X· ON)
Device control 2
Device control 3 (X·OFF)
Device control 4
Negative acknowledf?;e
Synchronous idle
End of tro.nsmission block
Cancel
End of medium
Substitute
Escape
File separator
Group separator
Rccord 3cpllrlltor
Unit separator
User's Reference Guide

Texas Instruments TI-99/4A Specifications

General

Brand	Texas Instruments
Model	TI-99/4A
Category	Desktop
Language	English