diff options
Diffstat (limited to 'keyboard.vhd')
| -rw-r--r-- | keyboard.vhd | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/keyboard.vhd b/keyboard.vhd index 0558469..2c874f3 100644 --- a/keyboard.vhd +++ b/keyboard.vhd @@ -63,7 +63,7 @@ signal keyb_valid : std_logic; signal keyb_error : std_logic;
-- Internal signals
-type key_matrix is array(0 to 9) of std_logic_vector(7 downto 0);
+type key_matrix is array(0 to 15) of std_logic_vector(7 downto 0);
signal keys : key_matrix;
signal col : unsigned(3 downto 0);
signal release : std_logic;
@@ -133,6 +133,13 @@ begin keys(7) <= (others => '0');
keys(8) <= (others => '0');
keys(9) <= (others => '0');
+ -- These non-existent rows are used in the BBC master
+ keys(10) <= (others => '0');
+ keys(11) <= (others => '0');
+ keys(12) <= (others => '0');
+ keys(13) <= (others => '0');
+ keys(14) <= (others => '0');
+ keys(15) <= (others => '0');
elsif rising_edge(CLOCK) then
-- Copy DIP switches through to row 0
keys(2)(0) <= DIP_SWITCH(7);
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