Texas Instruments TI-99/4A User Reference Guide

Appendix
ALPHA
LOCK
CTRL SPACE
rCTIIJ
FjAure 3. BASIC Keyboard Scan.
Key-unit = 5. Upper- and lower-case characters active.
Function codes = 1-15. Control character codes = 128·159.187.
KtoY"lInrt = 1
Keyuml ~ 2
AlPHA
LUCK CTRL
SPACE
FCTN
FiliUTe 4. Split KeyboardScan.
Codes returned = 0-19.
CHARACTER CODES FOR SPLIT KEYBOARD
CODES
o
1
2
3
4
5
6
7
8
9
KEY5*
X.M
A.H
5.J
D.K
W.U
EJ
R.O
2.7
3.8
4.9
CODES
10
11
12
13
14
15
16
17
18
19
KEYS*
5.0
T,p
F,L
V. . (period)
c.. (comma)
Z,N
B. / (slash)
G, ; (semicolon)
Q.Y
1.n
III·4
*N ote that the first key listed is on the left side of the keyboard.
and the second key listed is on the right side of the keyboard
User's Reference Guide

Texas Instruments TI-99/4A Specifications

General

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