.TITLE MF03 CLOSE DOWN FILE .IDENT /MF03../ ; ; ; ; F$SHUT:: ;THIS PROCEDURE CLOSES DOWN SHUTS A FILE ; ; ; ENTRY CONDITIONS ; NONE ; ; EXIT CONDITIONS ; STATUS FLAGS ONLY ; ; 10$: SAVE R0 ;PROTECT REGISTER MOV F$FDB,R0 ;HOLD THE FDB ADDRESS FOR THIS FILE CALL .CLOSE ;CLOSE DOWN FILE 50$: UNSAVE R0 ;RESTORE REGISTER RETURN ;BACK TO CALLING PROGRAM ; ; .END ; ;