Juniper Systems Allegro DOS Manual User Manual
Page 246
Page 8-12 Software Developer's Guide for DOS
Subfunction:
AL = 11h (set keypad shift flag settings)
The keyboard shift flags (<Ctrl>, <Alt>, <Shift>) can be individually
controlled such that when the key is pressed it will register as either left,
right, or both scan codes. The <alt>-nnn function can be enabled/
disabled with this function.
Call with:
BL=b7-b0 where:
b1,b0
=
01
right <Shift> only
10
left <Shift> only
11
both (Default)
b3,b2
=
01
right <Alt> only
10
left <Alt> only
11
both (Default)
b5,b4
=
01
right <Ctrl> only
10
left <Ctrl> only
11
both (Default)
b6
=
0
disable <Alt>-nnn
1
enable <Alt>-nnn (default)
b7
=
reserved
Subfunction: AL = 12h (get Allegro ID)
Returns offset of Allegro ID string in AX. Segment is F000.
Subfunction:
AL = 14h (select font size in text mode)
Call with:
b1
=
00h
return current setting in AL
01h
set 8 x 8 pixels
02h
set 8 x 12 pixels
03h
set 10 x 12 pixels
04h
set 16 x 16 pixels
Subfunction: AL = 15h (perform system hard reset)
No arguments, when called does a hard reset.
Subfunction: AL = 19h (set LED brightness)
Call with:
b1
=
00h
return current setting in AL
=
01h
dim
=
02h
medium
=
03h
bright