如何使用Cobol屏幕显示可滚动列表

IDENTIFICATION DIVISION.
PROGRAM-ID. SCROLL-LIST.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 LIST-ITEM.
   05 ITEM-NAME PIC X(20).
   05 ITEM-ID PIC 9(5).
   ... (其他字段)

01 LIST-DATA.
   05 ITEM OCCURS 10 TIMES.
      10 LIST-ITEMS.
         15 ITEM-NAME-FIELD PIC X(20).
         15 ITEM-ID-FIELD PIC 9(5).
         ... (其他字段)

01 START-POSITION PIC 9(2) VALUE 1.
01 END-POSITION PIC 9(2) VALUE 10.

PROCEDURE DIVISION.
DISPLAY 'Scrollable List'.

PERFORM GET-LIST-DATA.

PERFORM DISPLAY-LIST.

PERFORM PROCESS-USER-INPUT UNTIL EXIT-KEY-PRESSED.

STOP RUN.

GET-LIST-DATA.
   ... (从数据库、API或文件中获取列表数据)

DISPLAY-LIST.
   PERFORM VARYING START-POSITION FROM 1 BY 1 UNTIL START-POSITION > 10
      DISPLAY LIST-ITEMS(START-POSITION)
   END-PERFORM.

PROCESS-USER-INPUT.
   ... (处理用户输入并更新起始位置指示器)