Int 21 Fn 2529  P - Phar Lap 386/dos-extender - Load Flat Model .exp Or .  [E]

   AX = 2529h
   ???

Return: ES:EBX -> parameter block
   ???

Note:  details not available at this time

See Also: AX=252Ah

Format of parameter block:
Offset Size    Description
 00h   DWORD   initial EIP
 04h   WORD    initial CS
 06h   DWORD   initial ESP
 0Ah   WORD    initial SS
 0Ch  4 WORDs  initial DS, ES, FS, GS
 14h   DWORD   minimum size in bytes of program segment
 18h   DWORD   bytes of additional memory allocated
 1Ch   DWORD   flags
       bit 0: child linked with -UNPRIVILEGED
       ---v6.0+ ---
       bit 1: child is PE file instead of .EXP
       bit 2: loaded file is a DLL
       bits 3-31 reserved
---v6.0+ ---
 20h   DWORD   module handles (PE files only)
 24h  7 DWORDs reserved (0)