HP Vectra Technical Reference Manual page 377

Table 8.12
Global Data Area
Byte Offset
Type Definition
0O-013H
Reserved
Word
14
T_SND_FLAG
Byte Sound driver status
Bit Definition
7 '1' Click enabled
6 ' l' Beep enabled
5-0 Reserved
15
T_SND_CLICLCOUNT Byte Contains the number of
pending key clicks. Maximum
of four.
16
T_SND_CLICLDURA
Byte Contains the current tick
duration scaler.
17
T_SND_CLICLVOLUM E Byte Contains the current key click
volume.
18
T_SND_BEEP_CYCLE
Word Contains the current beep
period in ten microsecond
increments.
1A
T_SND_BEEP_DURA
Word Contains the current duration
of the beep in 10
microsecond increments.
1C
T_SND_BEEP_COUNT
Byte Contains the number of
pending beep functions.
Maximum of four.
10
Reserved
1E
T_STLNEXT_INDEX Word The next unused string index
number.
20
and up
Reserved
*
368 Memory Map