diff options
Diffstat (limited to 'basys3')
| -rw-r--r-- | basys3/basys3.srcs/apu_LUT_reader.vhd | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/basys3/basys3.srcs/apu_LUT_reader.vhd b/basys3/basys3.srcs/apu_LUT_reader.vhd index 2dd3b06..a37cd30 100644 --- a/basys3/basys3.srcs/apu_LUT_reader.vhd +++ b/basys3/basys3.srcs/apu_LUT_reader.vhd @@ -44,10 +44,15 @@ begin - if unsigned(idx) < 255 then --moves to next index value - idx <= std_logic_vector( unsigned(idx) + '1'); + if buf < unsigned(freq) then -- change frequency + buf <= buf + 1; else - idx <= x"00"; + buf <= x"00"; + if unsigned(idx) < 255 then --moves to next index value + idx <= std_logic_vector( unsigned(idx) + '1'); + else + idx <= x"00"; + end if; end if; end if; |