NAME

       exflame  -  How  to  write  directly  to  video memory improving performance. Allegro game
       programming library.

SYNOPSIS

       #include <allegro.h>

       Example exflame

DESCRIPTION

       This program demonstrates how to write directly to video memory.  It implements  a  simple
       fire  effect,  first  by calling getpixel() and putpixel(), then by accessing video memory
       directly a byte at a time, and finally using block memory copy operations.

SEE ALSO

       END_OF_MAIN(3alleg4),     PALETTE(3alleg4),     SCREEN_H(3alleg4),      SCREEN_W(3alleg4),
       acquire_screen(3alleg4),           allegro_error(3alleg4),          allegro_init(3alleg4),
       allegro_message(3alleg4),        bmp_read_line(3alleg4),        bmp_unwrite_line(3alleg4),
       bmp_write_line(3alleg4),    clear_keybuf(3alleg4),    font(3alleg4),    getpixel(3alleg4),
       install_keyboard(3alleg4),    keypressed(3alleg4),    line(3alleg4),     makecol(3alleg4),
       putpixel(3alleg4),      release_screen(3alleg4),      rest(3alleg4),      screen(3alleg4),
       set_gfx_mode(3alleg4), set_palette(3alleg4), textout_ex(3alleg4)