Basic Control Characters - AMSTRAD cpc 6128 User Instruction

BASIC Control characters
Value Name Parameter Meaning
&00 0 NUL No effect. Ignored.
&01 1 SOH Oto255
Print the symbol given by the
parameter value. This allows the
symbols in the range 0 to 31 to
be displayed.
&02 2 STX Turn offtext cursor. Equivalent
to CUR S 0 R command with a <user
switch> parameter value ofO.
&03 3
ETX Turn on text cursor. Equivalent
to CUR S 0 R command with a <user
switch> parameter val ue of 1.
Note that to display a cursor
from within a BASIC program
(other than the automatic cursor
generated when BASIC is awaiting
keyboard input), a CUR S 0 R
command with a <system switch>
parameter value ofl must be
used.
&04 4 EOT
Oto2
Set screen mode. Parameter taken
MOD 4. Equivalent to a MOD E
command.
&05 5 ENQ Oto255 Send the parameter character to
the graphics cursor.
&06 6 ACK Enable Text Screen. (See &15 NAK
ahead.)
&07 7
BEL Sound Bleeper. Note that this
flushes the sound queues.
&08 8
*
BS Move cursor back one character.
For your reference ....
Chapter 7 Page 3