Re: Aufgaben und Übungen,

	b a x	b a y
0	0 0 0	1 1 0
1	0 0 1	0 0 0
2	0 1 0	1 1 1
3	0 1 1	1 0 0
4	1 0 0	0 0 0
5	1 0 1	0 1 1
6	1 1 0	1 1 0
7	1 1 1	0 0 1


	b a x	b
0	0 0 0	1
1	0 0 1	0
2	0 1 0	1
3	0 1 1	1
4	1 0 0	0
5	1 0 1	0
6	1 1 0	1
7	1 1 1	0

	b a x	a
0	0 0 0	1
1	0 0 1	0
2	0 1 0	1
3	0 1 1	0
4	1 0 0	0
5	1 0 1	1
6	1 1 0	1
7	1 1 1	0

	b a x	y
0	0 0 0	0
1	0 0 1	0
2	0 1 0	1
3	0 1 1	0
4	1 0 0	0
5	1 0 1	1
6	1 1 0	0
7	1 1 1	1



	b a x	b
0	0 0 0	1
2	0 1 0	1
3	0 1 1	1
6	1 1 0	1

	b a x	a
0	0 0 0	1
2	0 1 0	1
5	1 0 1	1
6	1 1 0	1

	b a x	y
2	0 1 0	1
5	1 0 1	1
7	1 1 1	1



	b a x	b
Gruppe 0:
0	0 0 0	1
Gruppe 1:
2	0 1 0	1
Gruppe 2:
3	0 1 1	1
6	1 1 0	1

0:2		0 - 0
2:3		0 1 -
2:6		- 1 0

		0	2	3	6
0:2		*	*
2:3			*	*
2:6			*		*

b <= (not b and not x) or
		(not b and a) or
		(a and not x)
b <= (b or x) and
		(b or not a) and
		(not a or x)


	b a x	a
Gruppe 0:
0	0 0 0	1
Gruppe 1:
2	0 1 0	1
Gruppe 2:
5	1 0 1	1
6	1 1 0	1

0:2		0 - 0
5		1 0 1
2:6		- 1 0

		0	2	5	6
0:2		*	*
5				*
2:6			*		*

a <= (not b and not x) or
		(b and not a and x) or
		(a and not x)
a <= (b or x) and
		(not b or a or not x) and
		(not a or x)

	b a x	y
Gruppe 1:
2	0 1 0	1
Gruppe 2:
5	1 0 1	1
Gruppe 3:
7	1 1 1	1

2		0 1 0
5:7		1 - 1

y <= (not b and a and not x) or
		(b and x)
y <= (b or not a or x) and
		(not b or not x)


b <= (not b and not x) or
		(not b and a) or
		(a and not x)
b <= (b or x) and
		(b or not a) and
		(not a or x)
a <= (not b and not x) or
		(b and not a and x) or
		(a and not x)
a <= (b or x) and
		(not b or a or not x) and
		(not a or x)
y <= (not b and a and not x) or
		(b and x)
y <= (b or not a or x) and
		(not b or not x)

entity meinuebergangsschaltnetz is
port
(
	b, a: inout bit;
	x: in bit
);
end;

entity meinausgangsschaltnetz is
port
(
	b, a, x: in bit;
	y: out bit
);
end;

architecture dnfverhalten of meinuebergangsschaltnetz is
begin
	b <= (b or x) and
		(b or not a) and
		(not a or x);
	a <= (b or x) and
		(not b or a or not x) and
		(not a or x);
end;

architecture dnfverhalten of meinausgangsschaltnetz is
begin
	y <= (b or not a or x) and
		(not b or not x);
end;


architecture knfverhalten of meinuebergangsschaltnetz is
begin
	b <= (not b and not x) or
		(not b and a) or
		(a and not x);
	a <= (not b and not x) or
		(b and not a and x) or
		(a and not x);
end;

architecture knfverhalten of meinausgangsschaltnetz is
begin
	y <= (not b and a and not x) or
		(b and x);
end;