Get State of Debug Watchpoint

Returns the state of a debug watchpoint that was previously set using the Set Debug Watchpoint function (Int 31H Function 0B00H).

Call With

AX = 0B02H
BX = watchpoint handle

Returns

if function successful
Carry flag = clear
AX = watchpoint status

Bit Significance

0 0 = watchpoint has not been encountered

1 = watchpoint has been encountered

1-15 reserved

Bit	Significance
0	0 = watchpoint has not been encountered
1 = watchpoint has been encountered
1-15	reserved

if function unsuccessful
Carry flag = set
AX = error code

8023H

invalid handle

Notes

The client can use Int 31H Function 0B03H to clear the watchpoint state without releasing the watchpoint handle.