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SOUND: removed fr2 shadow register for wave channel use normal register

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This commit is contained in:
Bruno Gouveia
2018-11-29 23:30:28 +00:00
parent 79b4179272
commit f6431fbfee
1 changed files with 1 additions and 4 deletions
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5
gbc_snd.vhd
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@@ -81,7 +81,6 @@ architecture SYN of gbc_snd is
signal sq2_trigger : std_logic; -- Sq2 trigger play note
signal sq2_lenchk : std_logic; -- Sq2 length check enable
-- signal sq2_fr2 : std_logic_vector(10 downto 0); -- Sq2 frequency (shadow copy)
signal sq2_vol : std_logic_vector(3 downto 0); -- Sq2 initial volume
signal sq2_playing : std_logic; -- Sq2 channel active
signal sq2_wav : std_logic_vector(5 downto 0); -- Sq2 output waveform
@@ -95,7 +94,6 @@ architecture SYN of gbc_snd is
signal wav_trigger : std_logic; -- Wave trigger play note
signal wav_lenchk : std_logic; -- Wave length check enable
signal wav_fr2 : std_logic_vector(10 downto 0); -- Wave frequency (shadow copy)
signal wav_playing : std_logic;
signal wav_wav : std_logic_vector(5 downto 0); -- Wave output waveform
signal wav_ram : wav_arr_t; -- Wave table
@@ -1053,7 +1051,7 @@ begin
acc_fcnt := ('0'&wav_fcnt) + to_unsigned(1, acc_fcnt'length);
if acc_fcnt(acc_fcnt'high) = '1' then
wav_shift := true;
wav_fcnt := unsigned(wav_fr2);
wav_fcnt := unsigned(wav_freq);
else
wav_fcnt := acc_fcnt(wav_fcnt'range);
end if;
@@ -1093,7 +1091,6 @@ begin
-- Check sample trigger and start playing
if wav_trigger = '1' then
wav_fr2 <= wav_freq;
wav_fcnt := unsigned(wav_freq);
wav_playing <= '1';
if wav_len = 0 then -- trigger quirks