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
Содержание CPC464
Страница 1: ......
Страница 32: ...or you can type 3e1 1e1 ENTER 300 2 3000x1000 Type 3e3 1e3 ENTER 3000000 3 3000x0 001 Type 3e3 1e 3 ENTER 3 ...
Страница 102: ...PRINT 10 AND 12 Results in 8 PRINT 10 AND 1000 Results in 8 again ...
Страница 118: ...TO DO DRAW THIS PAGE ...
Страница 219: ...actual value may be made to vary during the execution of a program ...
Страница 240: ...Text and WINDOW planner Mode 2 80 Columns ...
Страница 241: ......
Страница 245: ...Sound envelope Music planner sheet ...