AMSTRAD cpc 6128 User Instruction page 316

Value Name Parameter Meaning
&14 20* DC4 Clear from, and including, the current
character position to the end of window.
Fills affected cells with the current
Paper Ink.
&15 21 NAK Turn off text screen. The screen will not
react to anything sent to it until after an
ACK (&06 6) is sent.
&16 22 SYN Oto 1
Parameter MOD 2. Transparent
option. 0 disables, 1 enables.
&17 23 ETB Oto3 Parameter MOD 4
o
sets normal graphics ink mode
1 sets XOR graphics ink mode
2 sets AND graphics ink mode
3 sets OR graphics ink mode
&18 24
CAN Exchange Pen and Paper Inks.
&19 25 EM
Oto255 Set matrix for user definable
Oto255 character. Equivalent to a
Oto255 S Y M B 0 L command. Takes nine
Oto255 parameters. The first parameter
Oto255 specifies which character's
Oto255 matrix to set. The next eight
Oto255 specify the matrix. The most
Oto255 significant bit of the first
Oto255 byte corresponds to the top left hand
pixel of the character cell, the least
significant bit of the last byte
corresponds to the bottom right
hand pixel ofthe character cell.
&1A 26 SUB
1 to80 Set Window. Equivalent to a
1 to80
WIN DO W command. The first two
1 to25 parameters specify the left and
1 to25 right hand edges of the window - the
smaller value is taken as the left edge,
the larger the right. The second two
parameters specify the top and bottom
edges of the window - the smaller value
is taken as the top edge, the larger the
bottom edge.
For your reference .... Chapter 7 Page 5