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Remove redundant CPU signals.

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This commit is contained in:
sorgelig
2018-08-19 23:29:23 +08:00
parent 44f8d8176e
commit 412901568b
1 changed files with 9 additions and 15 deletions
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20
src/t80/T80s.vhd
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@ -73,7 +73,7 @@ use work.T80_Pack.all;
entity T80s is
generic(
Mode : integer := 0; -- 0 => Z80, 1 => Fast Z80, 2 => 8080, 3 => GB
T2Write : integer := 0; -- 0 => WR_n active in T3, /=0 => WR_n active in T2
T2Write : integer := 1; -- 0 => WR_n active in T3, /=0 => WR_n active in T2
IOWait : integer := 1 -- 0 => Single cycle I/O, 1 => Std I/O cycle
);
port(
@ -94,13 +94,7 @@ entity T80s is
BUSAK_n : out std_logic;
A : out std_logic_vector(15 downto 0);
DI : in std_logic_vector(7 downto 0);
DO : out std_logic_vector(7 downto 0);
SavePC : out std_logic_vector(15 downto 0);
SaveINT : out std_logic_vector(7 downto 0);
RestorePC : in std_logic_vector(15 downto 0) := (others => '1');
RestoreINT : in std_logic_vector(7 downto 0) := (others => '1');
RestorePC_n : in std_logic := '1'
DO : out std_logic_vector(7 downto 0)
);
end T80s;
@ -143,12 +137,12 @@ begin
TS => TState,
IntCycle_n => IntCycle_n,
SavePC => SavePC,
SaveINT => SaveINT,
RestorePC => RestorePC,
RestoreINT => RestoreINT,
SavePC => open,
SaveINT => open,
RestorePC => (others => '1'),
RestoreINT => (others => '1'),
RestorePC_n => RestorePC_n );
RestorePC_n => '1' );
process (RESET_n, CLK_n)
begin