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- CC CGAPAL.FOR - Illustrates CGA palettes using:
- CC selectpalette
-
- INCLUDE 'FGRAPH.FI'
- INCLUDE 'FGRAPH.FD'
-
- INTEGER*2 status2
- INTEGER*4 status4, bkcolor(8)
- CHARACTER*7 bkname(8)
- CHARACTER*40 str
- RECORD /rccoord/ curpos
-
- DATA bkcolor / $BLACK , $BLUE , $GREEN , $CYAN ,
- + $RED , $MAGENTA , $BROWN , $WHITE /
- DATA bkname / 'BLACK', 'BLUE' , 'GREEN', 'CYAN' ,
- + 'RED' , 'MAGENTA', 'BROWN', 'WHITE' /
- C
- C Set video mode.
- C
- IF( setvideomode( $MRES4COLOR ) .EQ. 0 )
- + STOP 'Error: cannot set CGA color mode'
- C
- C Palette loop
- C
- DO i = 0, 3
- status2 = selectpalette( i )
- C
- C Background color loop
- C
- DO k = 1, 8
- CALL clearscreen( $GCLEARSCREEN )
- status4 = setbkcolor( bkcolor(k) )
- CALL settextposition( 1, 1, curpos )
- WRITE (str, 9000) bkname(k), i
- CALL outtext( str )
- C
- C Foreground color loop
- C
- DO j = 1, 3
- status2 = setcolor( INT4( j ) )
- status2 = ellipse( $GFILLINTERIOR, 100, j * 30, 220,
- + 80 + (j * 30))
- END DO
- READ (*,*) ! Wait for ENTER to be pressed
- END DO
- END DO
-
- status2 = setvideomode( $DEFAULTMODE )
-
- 9000 FORMAT ('Background: ', A, 10x, 'Palette: ', I2)
-
- END
-