Dominick.Vansevenant/Zorro-LAN-IDE
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Starting the init routiune

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This commit is contained in:
MHeinrichs
2016-12-28 01:32:54 +01:00
parent 6a20f829d1
commit 4a0794d0f9
146 changed files with 16469 additions and 22012 deletions
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Logic/LAN_IDE/LAN_IDE_CP.vhd
+25 -5
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@@ -96,6 +96,7 @@ architecture Behavioral of LAN_IDE_CP is
signal DTACK_S:STD_LOGIC:= '1';
signal AS_D: std_logic:= '1';
signal AMIGA_CLK: std_logic:= '1';
signal LAN_INT_ENABLE: std_logic:= '1';
Function to_std_logic(X: in Boolean) return Std_Logic is
variable ret : std_logic;
@@ -110,7 +111,7 @@ begin
ADDRESS_DECODE: process(AMIGA_CLK)
begin
if(rising_edge(AMIGA_CLK))then
if(falling_edge(AS))then
if(BERR='1') then
if(A(23 downto 16) = x"E8" and not(AUTO_CONFIG_DONE ="111") and CFIN='0')then
autoconfig <='1';
@@ -145,6 +146,21 @@ begin
end if;
end process ADDRESS_DECODE;
--LAN interrupt enable
lan_int_proc: process (AMIGA_CLK)
begin
if rising_edge(AMIGA_CLK) then
if(reset ='0') then
LAN_INT_ENABLE <='0';
elsif(lan='1' and AS='0' and RW='0')then
if(A(15 downto 8) = x"8")then
LAN_INT_ENABLE <=D(15);
end if;
end if;
end if;
end process lan_int_proc;
--ide
-- this is the clocked process
ide_rw_gen: process (AMIGA_CLK)
@@ -330,20 +346,22 @@ begin
LAN_WRH <= '1' when AS='0' and RW='0' and lan='1' and UDS = '0' else '0';
LAN_CS <= '1';-- when AS='0' and lan='1' else '0';
LAN_RD <= '1' when AS='0' and RW='1' and lan='1' else '0';
LAN_CFG <= "0010";
CP_WE <= '0' when AS='0' and RW='0' and cp='1' and (UDS='0' or LDS='0') else '1';
CP_RD <= '0' when AS='0' and RW='1' and cp='1' else '1';
CP_CS <= '0' when AS='0' and cp='1' else '1';
A_LAN <= A(14 downto 1);
A_LAN <= A(14 downto 1) when lan='1' else A(13 downto 1) &'0';
--signal assignment
D <= --RAM_D when RW='1' and TRANSFER_IN_PROGRES ='1' else
DQ when RW='1' and (lan ='1' or cp = '1') and AS='0' else
Dout1 & x"FFF" when RW='1' and autoconfig ='1' and AS='0' else
"ZZZZZZZZZZZZZZZZ";
DQ <= D when RW='0' and (UDS ='0' or LDS='0')
and (lan ='1' or cp = '1')
DQ <= D when RW='0' and AS='0'
--and (UDS ='0' or LDS='0')
--and (lan ='1' or cp = '1')
else "ZZZZZZZZZZZZZZZZ";
IDE_W <= IDE_W_S;
@@ -357,7 +375,9 @@ begin
ROM_OE <= ROM_OE_S;
--INT_OUT <= 'Z';
INT_OUT <= '0' when LAN_INT ='0' else 'Z';
INT_OUT <= '0' when
(LAN_INT = '0' and LAN_INT_ENABLE ='1') or
CP_IRQ = '0' else 'Z';
OWN <= '0' when AS='0' and (autoconfig = '1' or ide = '1' or lan = '1' or cp = '1') else 'Z';
SLAVE <= '0' when AS='0' and (autoconfig = '1' or ide = '1' or lan = '1' or cp = '1') else '1';