ADAS Subroutine capasf

      SUBROUTINE CAPASF( IUPS1  , IUPS2  , IUPS3  , IUPS4  , IURUN ,
     &                   DSNPS1 , DSNPS2 , DSNPS3 , DSNPS4 , DSNRUN,
     &                   LPASS1 , LPASS2 , LPASS3 , LPASS4 , LRUN  ,
     &                   IRCODE  )
C
C
C-----------------------------------------------------------------------
C
C  ****************** FORTRAN77 SUBROUTINE: CAPASF *********************
C
C  PURPOSE: HANDLES OPENING OF OUTPUT PASSING FILES.
C
C  CALLING PROGRAM: ADAS310
C
C  SUBROUTINE:
C
C  INPUT : (I*4)   IUPS1    = UNIT NO. FOR FIRST PASSING FILE.
C  INPUT : (I*4)   IUPS2    = UNIT NO. FOR SECOND PASSING FILE.
C  INPUT : (I*4)   IUPS3    = UNIT NO. FOR THIRD PASSING FILE.
C  INPUT : (I*4)   IUPS4    = UNIT NO. FOR FOURTH PASSING FILE.
C  INPUT : (I*4)   IURUN    = UNIT NO. FOR RUN SUMMARY FILE.
C  INPUT : (C*80)  DSNPS1   = FIRST PASSING FILE DATA SET NAME.
C  INPUT : (C*80)  DSNPS2   = SECOND PASSING FILE DATA SET NAME.
C  INPUT : (C*80)  DSNPS3   = THIRD PASSING FILE DATA SET NAME.
C  INPUT : (C*80)  DSNPS4   = FOURTH PASSING FILE DATA SET NAME.
C  INPUT : (C*80)  DSNRUN   = RUN SUMMARY FILE DATA SET NAME.
C  INPUT : (L*4)   LPASS1   = FLAG FOR WHETHER OR NOT 1ST PASSING FILE
C                             HAS BEEN REQUESTED
C  INPUT : (L*4)   LPASS2   = FLAG FOR WHETHER OR NOT 2ND PASSING FILE
C                             HAS BEEN REQUESTED
C  INPUT : (L*4)   LPASS3   = FLAG FOR WHETHER OR NOT 3RD PASSING FILE
C                             HAS BEEN REQUESTED
C  INPUT : (L*4)   LPASS4   = FLAG FOR WHETHER OR NOT 4TH PASSING FILE
C                             HAS BEEN REQUESTED
C
C  OUTPUT: (I*4)   IRCODE   = RETURN CODE AFTER ATTEMPTING TO OPEN FILES.
C
C ROUTINES:
C          ROUTINE    SOURCE    BRIEF DESCRIPTION
C          -------------------------------------------------------------
C
C AUTHOR:  JONATHAN NASH (TESSELLA SUPPORT SERVICES PLC)
C          K1/0/81
C          JET EXT. 5183
C
C DATE:    17/01/94
C
C UNIX-IDL PORT:
C
C VERSION: 1.1                          DATE: 08-02-96
C MODIFIED: TIM HAMMOND (TESSELLA SUPPORT SERVICES PLC)
C               - FIRST VERSION
C
C VERSION: 1.2                          DATE: 02-04-96
C MODIFIED: TIM HAMMOND/PAUL BRIDEN
C               - REMOVED FILE= ARGUMENT FROM SCRATCH FILE OPEN 
C                 STATEMENTS AS IT CAN CAUSE A COMPILATION ERROR OF 
C                 WARNING MESSAGE UNDER AIX.
C
C-----------------------------------------------------------------------
C
C-----------------------------------------------------------------------
      CHARACTER*80        DSNPS1,      DSNPS2,      DSNPS3,      DSNPS4
      CHARACTER*80        DSNRUN
      INTEGER             IRCODE,      IUPS1,       IUPS2,       IUPS3
      INTEGER             IUPS4,       IURUN
      LOGICAL             LPASS1,      LPASS2,      LPASS3,      LPASS4
      LOGICAL             LRUN