Format of DOSMGR patch table |
Offset | Size | Description |
---|---|---|
00h |
2 BYTEs |
DOS version (major, minor) |
02h |
WORD |
offset in DOS data segment of "SAVEDS" |
04h |
WORD |
offset in DOS data segment of "SAVEBX" |
06h |
WORD |
offset in DOS data segment of InDOS flag |
08h |
WORD |
offset in DOS data segment of User ID word |
0Ah |
WORD |
offset in DOS data segment of "CritPatch" table to enable critical section calls (see INT 2A/AH=80h) |
0Ch |
WORD |
(DOS 5+ only) offset in DOS data segment of "UMB_HEAD", containing segment of last MCB in conventional memory |