HP Vectra Technical Reference Manual page 318

Example: Get the index of the ACME_NAME string.
MOV
MOV
MOV
MOV
MOV
PUSH
INT
POP
MOV
BP, V_SYSTEM
AH, F _STR_GET_-'NOEX
01, seg ACME-.NAME
ES, 01
01, offset ACME-.NAME
OS
HP_ENTRY
OS
ACME-.NAME-'NOEX, BX
,. HP vector 12H
,. function 48H
,. Move segment of string
,. into ES
,. EX-BIOS destroys OS
,. Int
6FH
for EX-BIOS
,. Save the index.
System Drivers 309