Re: Aufgaben und Übungen,

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


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

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



	b a x	b
0	0 0 0	1
3	0 1 1	1
5	1 0 1	1

	b a x	a
1	0 0 1	1
5	1 0 1	1
7	1 1 1	1

	b a x	y
0	0 0 0	1
2	0 1 0	1
4	1 0 0	1



	b a x	b
Gruppe 0:
0	0 0 0	1
Gruppe 1:
3	0 1 1	1
5	1 0 1	1

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

	b a x	a
1	0 0 1	1
5	1 0 1	1
7	1 1 1	1

1:5		- 0 1
5:7		1 - 1

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

	b a x	y
0	0 0 0	1
2	0 1 0	1
4	1 0 0	1

0:2		0 - 0
0:4		- 0 0

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

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

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

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

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

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