HP Vectra Technical Reference Manual page 364

Table 8.5
Keyboard State Mask Byte2 (40:18H)
Bit Data Definition
07H
0
<
Ins:> key not depressed
1
<
Ins> key depressed
06H
0
<
Caps lock> key not depressed
1
<
Caps lock> key depressed
OSH
0
<
Num lock> key not depressed
1
<
Num lock> key depressed
04H
0
<
ScrLck > key not depressed
1
<
ScrLck > key depressed
03H
0
Pause state « CTRL > -
<
Num lock» inactive
1
Pause state active
02H
0
<
Sys req> key not depressed
1
<
Sys req> key depressed
01H-OOH
Reserved
8.2.5 Flexible Disc Data Area
This area is used by the flexible disc driver to store information about current drive activity.
40:03EH
01 S40__FLOPPY__
SEE~STAT
Drive recalibration status
(see table 8.6)
40:03FH
01 S40__FLOPPY_MOTOLSTAT
Drive motor status
(see table 8.7)
40:040H
01
S40__FLOPPY__TIME_OUT
Drive timeout counter
(see table
B.8)
40:041H
01 S40__FLOPPY_RETURN__STAT
Drive return code/error status
40:042H
07 S40__FLOPPY_CONTRLSTAT
Controller status/hard disc command/
parm port copies
Memory Map 355