foo_os.map

 Start  Stop   Length Name               Class

 00000H 00894H 00895H _DATA              DATA
 00896H 00896H 00000H _BSS               BSS
 00896H 00A40H 001ABH _TEXT              CODE
 00A50H 00C4FH 00200H _STACK             STACK

  Address         Publics by Name

 0089:0015E       _MAIN
 0000:0084C       _POS
 0089:00171       _PUTS

  Address         Publics by Value

 0000:0084C       _POS
 0089:00171       _PUTS
 0089:0015E       _MAIN

Program entry point at 0089:0006