diff options
Diffstat (limited to 'basys3/basys3.srcs/apu_note_to_frequency.vhd')
| -rw-r--r-- | basys3/basys3.srcs/apu_note_to_frequency.vhd | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/basys3/basys3.srcs/apu_note_to_frequency.vhd b/basys3/basys3.srcs/apu_note_to_frequency.vhd index 48defa3..17c396c 100644 --- a/basys3/basys3.srcs/apu_note_to_frequency.vhd +++ b/basys3/basys3.srcs/apu_note_to_frequency.vhd @@ -1,5 +1,6 @@ library ieee; use ieee.std_logic_1164.all; +use ieee.std_logic_unsigned.all; use ieee.numeric_std.all; library work; @@ -13,7 +14,7 @@ entity apu_note_to_frequency is port ( end entity; architecture Behavioral of apu_note_to_frequency is - signal buff : std_logic_vector(15 downto 0) := (others => '0'); + signal buff : std_logic_vector(11 downto 0) := (others => '0'); signal shift : integer; begin @@ -34,6 +35,6 @@ begin x"100" when data(6 downto 3) = (x"C") else -- B 256 x"000"; - freq <= std_logic_vector( shift_right(unsigned(buff), natural(shift)) ); -- TODO: MAYBE WORKY??? + freq <= std_logic_vector(shift_right(unsigned(buff), shift)); -- TODO: MAYBE WORKY??? end architecture; |