Additional control character commands: not generally accessible via
the keyboard CTRL key
Value Name Parameter Meaning
&00 0 NUL No effect. Ignored.
&01 1 SOH 0..255 Print the symbol given by the parameter
value. This allows the symbols in the range
0....31 to be displayed.
&02 2 STX Turn off text cursor.
&03 3 ETX Turn on text cursor. Note that BASIC uses
an overriding cursor disable, which is
released only when it is awaiting keyboard
input.
&04 4 EOT 0..2 Set screen mode. Parameter taken MOD 4.
Equivalent to a MODE command.
&05 5 ENQ 0..255 Send the parameter character to the
graphics cursor.
&06 6 ACK Enable Text Screen. (See &15, NAK, next
page.)
&07 7 BEL Sound Bleeper. Note that this flushes the
sound queues.
&08 8 * BS Move cursor back one character.
&09 9 * TAB Move cursor forward one character.
&0A 10 *
LF Move cursor down one line.
&0B 11 *
VT Move cursor up one line.
&0C 12 FF Clear text window and move cursor to top
left corner. Equivalent to a CLS command.
&0D 13 *
CR Move cursor to left edge of window on
current line.
&0E 14 SO 0..15 Set Paper Ink. Parameter taken MOD 16.
Equivalent to PAPER command.
&0F 15 SI 0..15 Set Pen Ink. Parameter taken MOD 16.
Equivalent to PEN command.
&10 16 * DLE Delete current character. Fills character
cell with current Paper Ink.
&11 17 * DC1 Clear from left edge of window to, and
including, the current character position.
Fills affected cells with the current Paper
Ink.
Value Name Parameter Meaning
&12 18 * DC2
Clear from, and including, the current
character position to the right edge of
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