Format of DoubleTools structure |
| Offset | Size | Description |
|---|---|---|
|
00h |
WORD |
(call) signature 55h AAh (ret) signature 78h 70h ("xp") |
|
02h |
WORD |
(call) signature 52h 16h (ret) ??? |
|
04h |
WORD |
(ret) segment of driver's DS (same as its PSP) |