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C16: Reset sector counter on track change

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This commit is contained in:
Gyorgy Szombathelyi
2018-09-04 21:28:18 +02:00
parent 1d9b3a0138
commit 76f1999246
1 changed files with 11 additions and 1 deletions
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12
cores/c16/c1541/gcr_floppy.vhd
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@@ -66,6 +66,8 @@ signal gcr_byte : std_logic_vector(7 downto 0);
signal mode_r1 : std_logic;
signal mode_r2 : std_logic;
signal old_track : std_logic_vector(5 downto 0);
type gcr_array is array(0 to 15) of std_logic_vector(4 downto 0);
signal gcr_lut : gcr_array :=
@@ -193,7 +195,13 @@ end process;
read_write_process : process (clk32, bit_clk_en)
begin
if rising_edge(clk32) and bit_clk_en = '1' then
if rising_edge(clk32) then
old_track <= track_num;
if old_track /= track_num then
sector <= (others => '0'); --reset sector number on track change
else if bit_clk_en = '1' then
mode_r2 <= mode;
if mode = '1' then autorise_write <= '0'; end if;
@@ -312,7 +320,9 @@ begin
end if;
end if;
end if;
end if;
end if;
end process;
end struct;