Format of HMA Memory Block (DR DOS 6.0 kernel loaded in HMA) |
| 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)
|
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|
05h |
var |
TSR (or system) code and data. DR DOS TSR's, such as KEYB, hooks interrupts using segment FFFEh instead FFFFh. |