Broadcast Teletext Specification
b7..5 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 | ||||||
b4..1 | 0 | 1 | 2 | 2a | 3 | 3a | 4 | 5 | 6 | 6a | 7 | 7a | <- Col | |
0000 | NUL(1) | DLE(1) | ![]() |
0 | ![]() |
@ | P | ![]() |
p | ![]() |
||||
0001 | 1 | Alpha Red | Graphics Red | ! | ![]() |
1 | ![]() |
A | Q | a | ![]() |
q | ![]() |
|
0010 | 2 | Alpha Green | Graphics Green | " | ![]() |
2 | ![]() |
B | R | b | ![]() |
r | ![]() |
|
0011 | 3 | Alpha Yellow | Graphics Yellow | £ | ![]() |
3 | ![]() |
C | S | c | ![]() |
s | ![]() |
|
0100 | 4 | Alpha Blue | Graphics Blue | $ | ![]() |
4 | ![]() |
D | T | d | ![]() |
t | ![]() |
|
0101 | 5 | Alpha Magenta | Graphics Magenta | % | ![]() |
5 | ![]() |
E | U | e | ![]() |
u | ![]() |
|
0110 | 6 | Alpha Cyan | Graphics Cyan | & | ![]() |
6 | ![]() |
F | V | f | ![]() |
v | ![]() |
|
0111 | 7 | Alpha White (2) | Graphics White (2) | ' | ![]() |
7 | ![]() |
G | W | g | ![]() |
w | ![]() |
|
1000 | 8 | Flash | Conceal display | ( | ![]() |
8 | ![]() |
H | X | h | ![]() |
x | ![]() |
|
1001 | 9 | Steady (2) | Contiguous Gfx (2) | ) | ![]() |
9 | ![]() |
I | Y | i | ![]() |
y | ![]() |
|
1010 | 10 | End Box (2) | Separated Gfx | * | ![]() |
: | ![]() |
J | Z | j | ![]() |
z | ![]() |
|
1011 | 11 | Start Box | ESC (1) | + | ![]() |
; | ![]() |
K | ← | k | ![]() |
¼ | ![]() |
|
1100 | 12 | Normal height (2) | Black Background (2) | , | ![]() |
< | ![]() |
L | ½ | l | ![]() |
|| | ![]() |
|
1101 | 13 | Double height | New Background | - | ![]() |
= | ![]() |
M | → | m | ![]() |
¾ | ![]() |
|
1110 | 14 | S0 | Hold Graphics | . | ![]() |
> | ![]() |
N | ↑ | n | ![]() |
÷ | ![]() |
|
1111 | 15 | S1 | Release Graphics (2) | / | ![]() |
? | ![]() |
O | # | o | ![]() |
block | ![]() |
|
Row |
Codes may be referred to by their column and row: e.g. 2/5 refers to %
(1) These control characters are reserved for compatibility with other
data codes
(2) These control characters are presumed before each row begins.
Black represents display foreground colour.
White represents display background colour.
The latest teletext spec allows codes 00 and 10 to be Alpha Black and Graphics Black respectively,
though cautions that some older equipment may interpret these code differently.