Int 2F Fn AF0A  - Windos V2.11 - Get Main Shell Psp                        [O]

   AX = AF0Ah

Return: AX = shell's PSP (same as DS on last call to AX=AF06h)
Desc:  get the PSP address of the last program to call AX=AF06h (normally
     the main command interpreter)

See Also: AX=AF00h"WinDOS",AX=AF06h"WinDOS",AX=AF09h