Dominick.Vansevenant/Zorro-LAN-IDE
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Cleaned up firmware

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This commit is contained in:
MHeinrichs
2017-12-22 11:32:26 +01:00
parent 3cc0d7b8d8
commit a7e6f9a3a3
51 changed files with 19949 additions and 19615 deletions
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Logic/LAN_IDE/LAN_IDE_CP.vhd
+38 -46
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@@ -236,14 +236,15 @@ begin
lan_rw_gen: process (AMIGA_CLK)
begin
if falling_edge(AMIGA_CLK) then
--default values
LAN_RD_S <= '0';
LAN_WRH_S <= '0';
LAN_WRL_S <= '0';
if(lan_adr='1' and DS='0' and A(15)='0')then
LAN_RD_S <= RW;
LAN_WRH_S <= not UDS and not RW;
LAN_WRL_S <= not LDS and not RW;
else
LAN_RD_S <= '0';
LAN_WRH_S <= '0';
LAN_WRL_S <= '0';
end if;
end if;
end process lan_rw_gen;
@@ -252,49 +253,39 @@ begin
cp_rw_gen: process (AMIGA_CLK)
begin
if falling_edge(AMIGA_CLK) then
if(cp = '1' and DS='0' and reset ='1')then --datastrobe instead of AS!
--default values
CP_RD_S <= '1';
CP_WE_S <= '1';
if(cp = '1' and DS='0')then --datastrobe instead of AS!
CP_RD_S <= not RW;
CP_WE_S <= RW;
else
CP_RD_S <= '1';
CP_WE_S <= '1';
end if;
CP_WE_QUIRK <= CP_WE_S;
end if;
end process cp_rw_gen;
cp_quirk_gen: process (AMIGA_CLK)
begin
if rising_edge(AMIGA_CLK) then
-- CP_WE_QUIRK <= CP_WE_S;
end if;
end process cp_quirk_gen;
--ide signal generation
ide_rw_gen: process (AMIGA_CLK)
ide_rw_gen: process (reset,AMIGA_CLK)
begin
if falling_edge(AMIGA_CLK) then
if (reset = '0') then
IDE_ENABLE <= '1';
IDE_R_S <= '1';
IDE_W_S <= '1';
ROM_OE_S <= '1';
elsif(ide='1' and AS='0')then
if (reset = '0') then
IDE_ENABLE <= '1';
IDE_R_S <= '1';
IDE_W_S <= '1';
ROM_OE_S <= '1';
elsif falling_edge(AMIGA_CLK) then
--default values
IDE_R_S <= '1';
IDE_W_S <= '1';
ROM_OE_S <= '1';
if(ide='1' and AS='0')then
if(RW='0')then
--the write goes to the hdd!
IDE_ENABLE <= '0'; -- enable IDE on first read
IDE_W_S <= '0';
IDE_R_S <= '1';
ROM_OE_S <= '1';
else
IDE_W_S <= '1';
IDE_R_S <= IDE_ENABLE; --read from IDE instead from ROM
ROM_OE_S <= not IDE_ENABLE;
end if;
else
IDE_R_S <= '1';
IDE_W_S <= '1';
ROM_OE_S <= '1';
end if;
end if;
end process ide_rw_gen;
@@ -303,19 +294,19 @@ begin
--autoconfig
autoconfig_proc: process (reset, AMIGA_CLK)
begin
if falling_edge(AMIGA_CLK) then -- no reset, so wait for rising edge of the clock
if reset = '0' then
-- reset active ...
AUTO_CONFIG_DONE_CYCLE <="00";
Dout1<="1111";
--Dout2<="1111";
SHUT_UP <="111";
IDE_BASEADR<=x"FF";
LAN_BASEADR<=x"FF";
CP_BASEADR<=x"FF";
AUTO_CONFIG_DONE <="00";
elsif falling_edge(AMIGA_CLK) then -- no reset, so wait for rising edge of the clock
DS_D <= DS;
if reset = '0' then
-- reset active ...
AUTO_CONFIG_DONE_CYCLE <="00";
Dout1<="1111";
--Dout2<="1111";
SHUT_UP <="111";
IDE_BASEADR<=x"FF";
LAN_BASEADR<=x"FF";
CP_BASEADR<=x"FF";
AUTO_CONFIG_DONE <="00";
elsif(AS='1')then
if(AS='1')then
AUTO_CONFIG_DONE <= AUTO_CONFIG_DONE_CYCLE;
elsif(autoconfig= '1' and DS='0') then
case A(6 downto 1) is
@@ -323,7 +314,7 @@ begin
if(AUTO_CONFIG_DONE < 2)then
Dout1 <= "1100" ; --ZII, No-System-Memory, no ROM
else
Dout1 <= "110"&not(AUTOBOOT_OFF) ; --ZII, no System-Memory, (perhaps)ROM
Dout1 <= "1101" ; --ZII, no System-Memory, (perhaps)ROM
end if;
when "000001" => Dout1 <= "0001" ; --one Card, 64KB =001
when "000010" =>
@@ -452,12 +443,13 @@ begin
IDE_CS(1)<= not(A(13));
IDE_A(2 downto 0) <= A(11 downto 9);
ROM_B <= "00";
ROM_OE <= ROM_OE_S when AS='0' else '1';
ROM_OE <= ROM_OE_S when AS='0' and AUTOBOOT_OFF = '0' else '1';
-- INT_OUT <= 'Z';
INT_OUT <= '0' when
(LAN_INT = '0' and LAN_INT_ENABLE ='1') or
CP_IRQ = '0' else 'Z';
(LAN_INT = '0' and LAN_INT_ENABLE ='1')
or CP_IRQ = '0'
else 'Z';
OWN <= 'Z';--'0' when AS='0' and (autoconfig = '1' or ide = '1' or lan_adr = '1' or cp = '1') else 'Z';
SLAVE <= '0' when AS='0' and (autoconfig = '1' or ide = '1' or lan_adr = '1' or cp = '1') else '1';