readme.txt

用VHDL编写的播放器

file: NoteTabs.vhd
1.
--------------------change MAX_counter=427--------------------

--  SIGNAL Counter : INTEGER RANGE 0 TO 138 ;
    SIGNAL Counter : INTEGER RANGE 0 TO 427 ;
2.
--------------------change MAX_counter=427--------------------
--	IF Counter = 138 THEN Counter<= 0 ;
        IF Counter = 427 THEN Counter<= 0 ;
file:ToneTaba.vhd
--------ADD NEXT 3 LINE--------------------
WHEN 4  => Tone <= 1116; CODE <= 4; HIGH <= '0' ;
WHEN 11 => Tone <= 1582; CODE <= 4; HIGH <= '1' ;
WHEN 14 => Tone <= 1698; CODE <= 7; HIGH <= '1' ;