Nächste Seite: Re: Tasks and exercises, Aufwärts: Graphen, Schaltwerke und Zahlen Vorherige Seite: Feladatok és gyakorlatok,
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Gruppe 1:
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1:5 0 - 0 1
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1:9 - 0 0 1
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Gruppe 1:
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Gruppe 2:
6:14 - 1 1 0
Gruppe 1:
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Gruppe 2:
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Kernimplikanten:
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y <= (not x3 and not x1 and x0) or
(x3 and x2 and not x0) or
(x3 and not x2 and not x1) or
(not x3 and x2 and x1);
y <= not (
(x3 or x1 or not x0) and
(not x3 or not x2 or x0) and
(not x3 or x2 or x1) and
(x3 or not x2 or not x1)
);
library ieee;
use ieee.std_logic_1164.all;
entity sn20240130 is
port (
x3, x2, x1, x0: in std_logic;
y: out std_logic
);
end;
architecture behaviour of sn20240130 is
begin
y <= (not x3 and not x1 and x0) or
(x3 and x2 and not x0) or
(x3 and not x2 and not x1) or
(not x3 and x2 and x1);
end;
library ieee;
use ieee.std_logic_1164.all;
entity sn20240130testbench is
port (
y: out std_logic
);
end;
architecture behaviour of sn20240130testbench is
component sn20240130
port (
x3, x2, x1, x0: in std_logic;
y: out std_logic
);
end component;
signal x3, x2, x1, x0: std_logic;
begin
sn1: sn20240130 PORT MAP (x3=>x3, x2=>x2, x1=>x1, x0=>x0, y=>y);
x0 <= '0' after 0 ns, '1' after 10 ns, '0' after 20 ns, '1' after 30 ns, '0' after 40 ns, '1' after 50 ns, '0' after 60 ns, '1' after 70 ns, '0' after 80 ns, '1' after 90 ns, '0' after 100 ns, '1' after 110 ns, '0' after 120 ns, '1' after 130 ns, '0' after 140 ns, '1' after 150 ns;
x1 <= '0' after 0 ns, '0' after 10 ns, '1' after 20 ns, '1' after 30 ns, '0' after 40 ns, '0' after 50 ns, '1' after 60 ns, '1' after 70 ns, '0' after 80 ns, '0' after 90 ns, '1' after 100 ns, '1' after 110 ns, '0' after 120 ns, '0' after 130 ns, '1' after 140 ns, '1' after 150 ns;
x2 <= '0' after 0 ns, '0' after 10 ns, '0' after 20 ns, '0' after 30 ns, '1' after 40 ns, '1' after 50 ns, '1' after 60 ns, '1' after 70 ns, '0' after 80 ns, '0' after 90 ns, '0' after 100 ns, '0' after 110 ns, '1' after 120 ns, '1' after 130 ns, '1' after 140 ns, '1' after 150 ns;
x3 <= '0' after 0 ns, '0' after 10 ns, '0' after 20 ns, '0' after 30 ns, '0' after 40 ns, '0' after 50 ns, '0' after 60 ns, '0' after 70 ns, '1' after 80 ns, '1' after 90 ns, '1' after 100 ns, '1' after 110 ns, '1' after 120 ns, '1' after 130 ns, '1' after 140 ns, '1' after 150 ns;
end;
library ieee;
use ieee.std_logic_1164.all;
entity sn20240130 is
port (
x3, x2, x1, x0: in std_logic;
y: out std_logic
);
end;
architecture behaviour of sn20240130 is
begin
y <= (not x3 and not x1 and x0) or
(x3 and x2 and not x0) or
(x3 and not x2 and not x1) or
(not x3 and x2 and x1);
end;
library ieee;
use ieee.std_logic_1164.all;
entity sn20240130testbench is
port (
y: out std_logic
);
end;
architecture behaviour of sn20240130testbench is
component sn20240130
port (
x3, x2, x1, x0: in std_logic;
y: out std_logic
);
end component;
signal x3, x2, x1, x0: std_logic;
begin
sn1: sn20240130 PORT MAP (x3=>x3, x2=>x2, x1=>x1, x0=>x0, y=>y);
x0 <= '0' after 0 ns, '1' after 10 ns, '0' after 20 ns, '1' after 30 ns, '0' after 40 ns, '1' after 50 ns, '0' after 60 ns, '1' after 70 ns, '0' after 80 ns, '1' after 90 ns, '0' after 100 ns, '1' after 110 ns, '0' after 120 ns, '1' after 130 ns, '0' after 140 ns, '1' after 150 ns;
x1 <= '0' after 0 ns, '0' after 10 ns, '1' after 20 ns, '1' after 30 ns, '0' after 40 ns, '0' after 50 ns, '1' after 60 ns, '1' after 70 ns, '0' after 80 ns, '0' after 90 ns, '1' after 100 ns, '1' after 110 ns, '0' after 120 ns, '0' after 130 ns, '1' after 140 ns, '1' after 150 ns;
x2 <= '0' after 0 ns, '0' after 10 ns, '0' after 20 ns, '0' after 30 ns, '1' after 40 ns, '1' after 50 ns, '1' after 60 ns, '1' after 70 ns, '0' after 80 ns, '0' after 90 ns, '0' after 100 ns, '0' after 110 ns, '1' after 120 ns, '1' after 130 ns, '1' after 140 ns, '1' after 150 ns;
x3 <= '0' after 0 ns, '0' after 10 ns, '0' after 20 ns, '0' after 30 ns, '0' after 40 ns, '0' after 50 ns, '0' after 60 ns, '0' after 70 ns, '1' after 80 ns, '1' after 90 ns, '1' after 100 ns, '1' after 110 ns, '1' after 120 ns, '1' after 130 ns, '1' after 140 ns, '1' after 150 ns;
end;
david@laptop-peaq:~\$ ghdl -a quine20240130.vhdl david@laptop-peaq:~\$ ghdl -r quine20240130testbench --wave=wave.ghw david@laptop-peaq:~\$ gtkwave wave.ghw