Exec State Record

 This structure is used in fn 4b05H (set execution state).

  Offset Size Contents
  ▀▀▀▀▀▀ ▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
   +0      2  res          reserved
   +2      2  wTypeFlags   0=COM, 1=EXE, 2=COM overlay, 3=EXE overlay
   +4      4  pfszProgName Address of ASCIIZ program name
   +6      2  wPspSeg      Segment of the program's PSP
   +8      4  lStartAddr   32-bit address of entry point (CS:IP)
  +0aH     2  lProgSize    32-bit size of program, including PSP.
          12               length of an ExecStateRec

See Also: Process Control Functions
          PSP: Program Segment Prefix
          DOS Environment