| Offset | Size | Description |
|---|---|---|
|
00h |
WORD |
offset of next HMA Memory Block (0000h if last block) |
|
02h |
WORD |
size of this block in bytes (at least 10h) |
|
04h |
BYTE |
type of HMA Memory Block (interpreted by MEM)
00h
=
system
01h
=
KEYB
02h
=
NLSFUNC
03h
=
SHARE
04h
=
TaskMAX
05h
=
COMMAND
|
|
05h |
var |
TSR (or system) code and data. DR DOS TSR's, such as KEYB, hooks interrupts using segment FFFEh instead FFFFh. |