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- $INCLUDE: 'C:\FG\INTRFACE.FOR'
-
- PROGRAM MAIN
-
- INTEGER*2 PAGES
- PARAMETER (PAGES=4)
-
- INTEGER*2 OLD_MODE, NEW_MODE
- INTEGER*2 PAGE
- INTEGER*2 STATUS
- CHARACTER*6 STRING
- INTEGER*2 FG_ALLOCATE, FG_FREEPAGE
- INTEGER*2 FG_BESTMODE, FG_GETMAXX, FG_GETMAXY, FG_GETMODE
-
- NEW_MODE = FG_BESTMODE(80,25,PAGES)
- IF (NEW_MODE .LT. 0) THEN
- STOP 'This program requires an 80-column display.'
- END IF
-
- OLD_MODE = FG_GETMODE()
- CALL FG_SETMODE(NEW_MODE)
- CALL FG_CURSOR(0)
-
- DO 10 PAGE = 0,PAGES-1
- STATUS = FG_ALLOCATE(PAGE)
- CALL FG_SETPAGE(PAGE)
- CALL FG_SETCOLOR(7)
- CALL FG_RECT(0,FG_GETMAXX(),0,FG_GETMAXY())
- CALL FG_SETATTR(0,7,0)
- CALL FG_LOCATE(12,37)
- WRITE(STRING,1000) PAGE
- CALL FG_TEXT(STRING,6)
- 10 CONTINUE
-
- DO 20 PAGE = 0,PAGES-1
- CALL FG_SETVPAGE(PAGE)
- CALL FG_WAITKEY
- STATUS = FG_FREEPAGE(PAGE)
- 20 CONTINUE
-
- CALL FG_SETMODE(OLD_MODE)
- CALL FG_RESET
-
- STOP ' '
- 1000 FORMAT('page',I2)
- END