entity fg_17_09 is end entity fg_17_09; architecture test of fg_17_09 is begin -- code from book receiver : process is use work.bounded_buffer_adt.all; variable receive_buffer : bounded_buffer := new_bounded_buffer(2048); variable buffer_overrun, buffer_underrun : boolean; -- . . . -- not in book variable received_byte, check_byte : byte; -- end not in book begin -- . . . test_full(receive_buffer, buffer_overrun); if not buffer_overrun then write(receive_buffer, received_byte); end if; -- . . . test_empty(receive_buffer, buffer_underrun); if not buffer_underrun then read(receive_buffer, check_byte); end if; -- . . . end process receiver; -- end code from book end architecture test;