Format of array elements in STACKS data segment |
| Offset | Size | Description | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
00h |
BYTE |
status:
|
|||||||||
|
01h |
BYTE |
not used | |||||||||
|
02h |
WORD |
previous SP | |||||||||
|
04h |
WORD |
previous SS | |||||||||
|
06h |
WORD |
ptr to word at top of stack (new value for SP). The word at the top of the stack is preset to point back to this control block. |