SUBR O$AH,OSAH INITIALISE HEADING
SUBR O$LL,OSAL TYPE A COMPLETE LINE WITH CR/LF, HEADING ETC.
SUBR O$HH,OSAH INITIALISE HEADING
SUBR O$AH,OSAH INITIALISE HEADING
SUBR O$LL,OSAL TYPE A COMPLETE LINE WITH CR/LF, HEADING ETC.
SUBR O$HH,OSAH INITIALISE HEADING