expal - Palette effects and color cycling. Allegro game programming library.

       This  program  demonstrates  how to manipulate the palette. It draws a set of concentric circles onto the
       screen and animates them by cycling the palette.

       expal - Palette effects and color cycling. Allegro game programming library.

END_OF_MAIN(3alleg4),    PALETTE(3alleg4),    RGB(3alleg4),     SCREEN_H(3alleg4),     SCREEN_W(3alleg4),
       acquire_screen(3alleg4),    allegro_error(3alleg4),    allegro_init(3alleg4),   allegro_message(3alleg4),
       black_palette(3alleg4),    circlefill(3alleg4),    install_keyboard(3alleg4),     install_mouse(3alleg4),
       keypressed(3alleg4),        release_screen(3alleg4),        screen(3alleg4),       set_gfx_mode(3alleg4),
       set_palette(3alleg4), show_mouse(3alleg4)

Allegro                                           version 4.4.3                                   expal(3alleg4)

#include<allegro.h>Exampleexpal