Free Physical Address Mapping
![[1.0]](../1.0.gif)
Releases a mapping of physical to linear addresses that was previously
obtained with the Physical Address Mapping function (Int 31H Function 0800H).
Call With
AX = 0801H
BX:CX = linear address returned by physical address
mapping call
Returns
if function successful
Carry flag = clear
if function unsuccessful
Carry flag = set
AX = error code
| 8025H | invalid linear address |
Notes
- The client should call this function when it is finished using a
device previously mapped to linear addresses with the Physical Address
Mapping function (Int 31H Function
0800H).