Dominick.Vansevenant/Zorro-LAN-IDE
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LAN-INT-Disable implemented

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This commit is contained in:
MHeinrichs
2017-12-22 11:32:26 +01:00
parent a7e6f9a3a3
commit eea643c563
51 changed files with 12607 additions and 12248 deletions
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Logic/LAN_IDE/LAN_IDE_CP.vhd
+14 -1
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@@ -118,6 +118,8 @@ architecture Behavioral of LAN_IDE_CP is
signal LAN_RD_S: std_logic;
signal LAN_WRH_S: std_logic;
signal LAN_WRL_S: std_logic;
signal LAN_IRQ_D0: std_logic;
signal LAN_IRQ_OUT: std_logic;
signal CP_RD_S: std_logic;
signal CP_WE_S: std_logic;
signal CP_WE_QUIRK: std_logic;
@@ -225,7 +227,18 @@ begin
begin
if(reset ='0') then
LAN_INT_ENABLE <='0';
LAN_IRQ_D0 <='1';
LAN_IRQ_OUT <='1';
elsif falling_edge(AMIGA_CLK) then
LAN_IRQ_D0 <= LAN_INT;
if(LAN_INT ='0' and LAN_IRQ_D0 ='1') then
LAN_IRQ_OUT <='0';
elsif(LAN_INT ='1' or LAN_INT_ENABLE = '0')then
LAN_IRQ_OUT <='1';
elsif(lan_adr = '1' and DS ='0' and RW='0' and A(15)='1') then
LAN_IRQ_OUT <= D(14); --controll lan irq
end if;
if(lan_adr = '1' and DS ='0' and RW='0' and A(15)='1') then --enable if a write to A15 occured
LAN_INT_ENABLE <= D(15);
end if;
@@ -447,7 +460,7 @@ begin
-- INT_OUT <= 'Z';
INT_OUT <= '0' when
(LAN_INT = '0' and LAN_INT_ENABLE ='1')
(LAN_IRQ_OUT = '0' and LAN_INT_ENABLE = '1')
or CP_IRQ = '0'
else 'Z';