Split-Screen Mode

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# Split-Screen Mode

In split-screen mode, you can use one half of the screen for editing an object (editing section) and at the same time have another Natural object displayed in the other half (display section). In addition, you can copy the definitions shown in the display section.

The following types of Natural object can be displayed in split-screen mode:

DDMs (data definition modules), data areas, programs, subprograms, subroutines, helproutines, copycodes, texts, maps, classes, functions and Predict program descriptions.

The instructions below show how to display the definitions of another Natural object and copy them into the object you are currently editing.

To display and copy definitions with `SPLIT`

1. In the current source, enter the `SPLIT` editor command (described in Editor Commands) to display the source of the object from which you want to copy text, for example:

       SPLIT P LDATEST1

   Split-screen mode is set with the current source (in the example below program `PGMTEST1`) in the editing section (upper half) and a local data area (`LDATEST1`) in the display section (lower half) of the editor screen as shown in the example below:

          >> -----------Columns 001 072  <<  Program PGMTEST1 Lines  187    User SAG
          Command ===>                                                      Lib  SYSLIB
          001720   IF (RC NE 0)
          001730    then
          001740     reset CMD_LINE_2
          001750     IF (s_prog ne ' ')
          001760      then
          001770       assign CMD_LINE_PGM = S_PROG
          001780       assign CMD_LINE_LIB = S_LIB
          001790     END-IF
          001800   END-IF
          >> -----------Columns 001 072  <<    Local LDATEST1 Lines  158    User SAG
          Command ===>                                                      Lib  SYSLIB
          ****** ****************************** top of data *****************************
          000001 DEFINE DATA LOCAL
          000002 1 NPF_F_READ(A1)
          000003 CONST
          000004 <'R'>
          000005 1 NPF_F_WRITE(A1)
          000006 CONST
          000007 <'W'>
          Enter-PF1---PF2---PF3---PF4---PF5---PF6---PF7---PF8---PF9---PF10--PF11--PF12---
                Help  Save  Exit  Run   Rfind Stow  -     +     Check Home  Undo  Canc

   Notes:

   1. Because it is not possible to modify the definitions in the display section, not all editor commands are available. PF keys are reserved for the editing section. Thus, commands meant for the display section must be issued using the command line.
   2. The `SWAP` editor command can be used to move the cursor between the command lines of the display and editing sections.

2. In the display section, mark the block of lines to be copied from `LDATEST1`, for example, by entering the line command `CC` next to the first and the last line of the required block.

3. In the editing section of `PGMTEST1`, next to the line below which you want to place the block of lines, enter the line command `A`.

   The marked block of lines is copied into `PGMTEST1` below the line where you entered the line command.

4. If required, terminate split-screen mode by entering the `SPLIT END` editor command.