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SUBDESIGN moore1
(
clk : INPUT;
reset : INPUT;
y : INPUT;
z : OUTPUT;
)
VARIABLE
% current current %
% state output %
ss: MACHINE OF BITS (z)
WITH STATES (s0 = 0,
s1 = 1,
s2 = 1,
s3 = 0);
BEGIN
ss.clk = clk;
ss.reset = reset;
TABLE
% current current next %
% state input state %
ss, y => ss;
s0, 0 => s0;
s0, 1 => s2;
s1, 0 => s0;
s1, 1 => s2;
s2, 0 => s2;
s2, 1 => s3;
s3, 0 => s3;
s3, 1 => s1;
END TABLE;
END;
---------------------------------------------------------------
SUBDESIGN moore2
(
clk : INPUT;
reset : INPUT;
y : INPUT;
z : OUTPUT;
)
VARIABLE
ss: MACHINE WITH STATES (s0, s1, s2, s3);
zd: NODE;
BEGIN
ss.clk = clk;
ss.reset = reset;
z = DFF(zd, clk, VCC, VCC);
TABLE
% current current next next %
% state input state output %
ss, y => ss, zd;
s0, 0 => s0, 0;
s0, 1 => s2, 1;
s1, 0 => s0, 0;
s1, 1 => s2, 1;
s2, 0 => s2, 1;
s2, 1 => s3, 0;
s3, 0 => s3, 0;
s3, 1 => s1, 1;
END TABLE;
END;
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