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[/] [idea/] [trunk/] [behavioral/] [idea_machine/] [heart_ctrlr.vbe] - Rev 9

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-- VHDL data flow description generated from `heart_ctrlr`
--              date : Fri Aug 24 20:54:23 2001


-- Entity Declaration

ENTITY heart_ctrlr IS
  PORT (
  ck : in BIT;  -- ck
  reset : in BIT;       -- reset
  start : in BIT;       -- start
  key_ready : in BIT;   -- key_ready
  round : in bit_vector(2 DOWNTO 0) ;   -- round
  en1 : out BIT;        -- en1
  en2 : out BIT;        -- en2
  en3 : out BIT;        -- en3
  en4 : out BIT;        -- en4
  en5 : out BIT;        -- en5
  en6 : out BIT;        -- en6
  en7 : out BIT;        -- en7
  en_out : out BIT;     -- en_out
  en_key_out : out BIT; -- en_key_out
  en_key_out9 : out BIT;        -- en_key_out9
  sel_in : out BIT;     -- sel_in
  ck_crnd : out BIT;    -- ck_crnd
  finish : out BIT;     -- finish
  vdd : in BIT; -- vdd
  vss : in BIT  -- vss
  );
END heart_ctrlr;


-- Architecture Declaration

ARCHITECTURE VBE OF heart_ctrlr IS
  SIGNAL current_state : REG_VECTOR(4 DOWNTO 0) REGISTER;       -- current_state
  SIGNAL current_state_s17 : BIT;               -- current_state_s17
  SIGNAL next_state_s17 : BIT;          -- next_state_s17
  SIGNAL current_state_s16 : BIT;               -- current_state_s16
  SIGNAL next_state_s16 : BIT;          -- next_state_s16
  SIGNAL current_state_s15 : BIT;               -- current_state_s15
  SIGNAL next_state_s15 : BIT;          -- next_state_s15
  SIGNAL current_state_s14 : BIT;               -- current_state_s14
  SIGNAL next_state_s14 : BIT;          -- next_state_s14
  SIGNAL current_state_s13 : BIT;               -- current_state_s13
  SIGNAL next_state_s13 : BIT;          -- next_state_s13
  SIGNAL current_state_s12 : BIT;               -- current_state_s12
  SIGNAL next_state_s12 : BIT;          -- next_state_s12
  SIGNAL current_state_s11 : BIT;               -- current_state_s11
  SIGNAL next_state_s11 : BIT;          -- next_state_s11
  SIGNAL current_state_s10 : BIT;               -- current_state_s10
  SIGNAL next_state_s10 : BIT;          -- next_state_s10
  SIGNAL current_state_s9 : BIT;                -- current_state_s9
  SIGNAL next_state_s9 : BIT;           -- next_state_s9
  SIGNAL current_state_s8 : BIT;                -- current_state_s8
  SIGNAL next_state_s8 : BIT;           -- next_state_s8
  SIGNAL current_state_s7 : BIT;                -- current_state_s7
  SIGNAL next_state_s7 : BIT;           -- next_state_s7
  SIGNAL current_state_s6 : BIT;                -- current_state_s6
  SIGNAL next_state_s6 : BIT;           -- next_state_s6
  SIGNAL current_state_s5 : BIT;                -- current_state_s5
  SIGNAL next_state_s5 : BIT;           -- next_state_s5
  SIGNAL current_state_s4 : BIT;                -- current_state_s4
  SIGNAL next_state_s4 : BIT;           -- next_state_s4
  SIGNAL current_state_s3 : BIT;                -- current_state_s3
  SIGNAL next_state_s3 : BIT;           -- next_state_s3
  SIGNAL current_state_s2 : BIT;                -- current_state_s2
  SIGNAL next_state_s2 : BIT;           -- next_state_s2
  SIGNAL current_state_s1 : BIT;                -- current_state_s1
  SIGNAL next_state_s1 : BIT;           -- next_state_s1
  SIGNAL current_state_s0 : BIT;                -- current_state_s0
  SIGNAL next_state_s0 : BIT;           -- next_state_s0
  SIGNAL next_state : BIT_VECTOR(4 DOWNTO 0);   -- next_state

BEGIN
  next_state(0) <= (next_state_s2 OR next_state_s3 OR next_state_s4 
OR next_state_s5 OR next_state_s6 OR next_state_s9 
OR next_state_s11 OR next_state_s15);
  next_state(1) <= (next_state_s1 OR next_state_s3 OR next_state_s4 
OR next_state_s8 OR next_state_s9 OR next_state_s10
 OR next_state_s12 OR next_state_s15 OR 
next_state_s16 OR next_state_s17);
  next_state(2) <= (next_state_s3 OR next_state_s5 OR next_state_s8 
OR next_state_s11 OR next_state_s12 OR 
next_state_s13 OR next_state_s14);
  next_state(3) <= (next_state_s1 OR next_state_s3 OR next_state_s4 
OR next_state_s5 OR next_state_s6 OR next_state_s7 
OR next_state_s11 OR next_state_s14 OR 
next_state_s17);
  next_state(4) <= (next_state_s0 OR next_state_s2 OR next_state_s6 
OR next_state_s7 OR next_state_s9 OR next_state_s10
 OR next_state_s11 OR next_state_s12 OR 
next_state_s14 OR next_state_s17);
  next_state_s0 <= ((current_state_s0 AND (NOT(key_ready) OR NOT(
start))) OR current_state_s17 OR (current_state_s7 AND
 (NOT(round(0)) OR NOT(round(1)) OR NOT(round(2)))
));
  current_state_s0 <= (current_state(4) AND NOT(current_state(3)) AND 
NOT(current_state(1)) AND NOT(current_state(0)));
  next_state_s1 <= (current_state_s0 AND key_ready AND start);
  current_state_s1 <= (NOT(current_state(4)) AND current_state(3) AND 
NOT(current_state(2)) AND NOT(current_state(0)));
  next_state_s2 <= current_state_s1;
  current_state_s2 <= (current_state(4) AND NOT(current_state(3)) AND 
NOT(current_state(1)) AND current_state(0));
  next_state_s3 <= current_state_s2;
  current_state_s3 <= (NOT(current_state(4)) AND current_state(3) AND 
current_state(2) AND current_state(1));
  next_state_s4 <= current_state_s3;
  current_state_s4 <= (NOT(current_state(4)) AND current_state(3) AND 
NOT(current_state(2)) AND current_state(0));
  next_state_s5 <= current_state_s4;
  current_state_s5 <= (NOT(current_state(4)) AND current_state(3) AND 
current_state(2) AND NOT(current_state(1)));
  next_state_s6 <= current_state_s5;
  current_state_s6 <= (current_state(4) AND current_state(3) AND NOT(
current_state(2)) AND current_state(0));
  next_state_s7 <= current_state_s6;
  current_state_s7 <= (current_state(3) AND NOT(current_state(2)) AND 
NOT(current_state(1)) AND NOT(current_state(0)));
  next_state_s8 <= (current_state_s7 AND round(0) AND round(1) AND 
round(2));
  current_state_s8 <= (NOT(current_state(4)) AND NOT(current_state(3)) 
AND current_state(2) AND current_state(1));
  next_state_s9 <= current_state_s8;
  current_state_s9 <= (current_state(4) AND NOT(current_state(3)) AND 
current_state(1) AND current_state(0));
  next_state_s10 <= current_state_s9;
  current_state_s10 <= (current_state(4) AND NOT(current_state(3)) AND 
NOT(current_state(2)) AND current_state(1) AND NOT(
current_state(0)));
  next_state_s11 <= current_state_s10;
  current_state_s11 <= (current_state(4) AND current_state(3) AND 
current_state(2) AND current_state(0));
  next_state_s12 <= current_state_s11;
  current_state_s12 <= (current_state(4) AND NOT(current_state(3)) AND 
current_state(2) AND current_state(1));
  next_state_s13 <= current_state_s12;
  current_state_s13 <= (NOT(current_state(4)) AND NOT(current_state(3)) 
AND current_state(2) AND NOT(current_state(1)));
  next_state_s14 <= current_state_s13;
  current_state_s14 <= (current_state(4) AND current_state(3) AND 
current_state(2) AND NOT(current_state(0)));
  next_state_s15 <= current_state_s14;
  current_state_s15 <= (NOT(current_state(4)) AND NOT(current_state(3)) 
AND NOT(current_state(2)) AND current_state(0));
  next_state_s16 <= current_state_s15;
  current_state_s16 <= (NOT(current_state(4)) AND NOT(current_state(3)) 
AND NOT(current_state(2)) AND NOT(current_state(0)));
  next_state_s17 <= current_state_s16;
  current_state_s17 <= (current_state(4) AND current_state(3) AND NOT(
current_state(2)) AND current_state(1));
  label0 : BLOCK ((NOT((ck'STABLE)) AND ck) = '1')
  BEGIN
    current_state(0) <= GUARDED (next_state(0) AND NOT(reset));
  END BLOCK label0;
  label1 : BLOCK ((NOT((ck'STABLE)) AND ck) = '1')
  BEGIN
    current_state(1) <= GUARDED (next_state(1) AND NOT(reset));
  END BLOCK label1;
  label2 : BLOCK ((NOT((ck'STABLE)) AND ck) = '1')
  BEGIN
    current_state(2) <= GUARDED (next_state(2) AND NOT(reset));
  END BLOCK label2;
  label3 : BLOCK ((NOT((ck'STABLE)) AND ck) = '1')
  BEGIN
    current_state(3) <= GUARDED (next_state(3) AND NOT(reset));
  END BLOCK label3;
  label4 : BLOCK ((NOT((ck'STABLE)) AND ck) = '1')
  BEGIN
    current_state(4) <= GUARDED (next_state(4) OR reset);
  END BLOCK label4;

finish <= (current_state_s17 AND NOT(reset));

ck_crnd <= ((current_state_s6 AND NOT(reset)) OR (
current_state_s17 AND NOT(reset)));

sel_in <= (current_state_s0 AND (round(0) OR round(1) OR 
round(2)) AND key_ready AND start AND NOT(reset));

en_key_out9 <= (current_state_s15 AND NOT(reset));

en_key_out <= ((current_state_s0 AND key_ready AND start AND 
NOT(reset)) OR (current_state_s8 AND NOT(reset)));

en_out <= (current_state_s16 AND NOT(reset));

en7 <= ((current_state_s7 AND NOT(reset)) OR (
current_state_s15 AND NOT(reset)));

en6 <= ((current_state_s6 AND NOT(reset)) OR (
current_state_s14 AND NOT(reset)));

en5 <= ((current_state_s5 AND NOT(reset)) OR (
current_state_s13 AND NOT(reset)));

en4 <= ((current_state_s4 AND NOT(reset)) OR (
current_state_s12 AND NOT(reset)));

en3 <= ((current_state_s3 AND NOT(reset)) OR (
current_state_s11 AND NOT(reset)));

en2 <= ((current_state_s2 AND NOT(reset)) OR (
current_state_s10 AND NOT(reset)));

en1 <= ((current_state_s1 AND NOT(reset)) OR (
current_state_s9 AND NOT(reset)));
END;

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