2024-12-13, gemessen mit dem Oszilloskop

(C) David Vajda
Fri Dec 13 12:44:46 2024
3 Network - TTL - Disjunktive Normalform

	x2	x1	x0		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		1
 5	1	0	1		1
 6	1	1	0		0
 7	1	1	1		1


	x2	x1	x0		y
 2	0	1	0		1
 4	1	0	0		1
 5	1	0	1		1
 7	1	1	1		1


 	x2	x1	x0		y
Gruppe 1:
 2	0	1	0		1
 4	1	0	0		1
Gruppe 2:
 5	1	0	1		1
Gruppe 3:
 7	1	1	1		1

2 		0	1	0
4:5		1	0	-
5:7		1	-	1

		2	4	5	7
2 		+
4:5			+	+
5:7				+	+


2 		0	1	0
4:5		1	0	-
5:7		1	-	1

y	<=	(not x2 and x1 and not x0) or
		(x2 and not x1) or
		(x2 and x0);

y	<=	not (
			(x2 or not x1 or x0) and
			(not x2 or x1) and
			(not x2 or not x0)
		);

library ieee;
use ieee.std_logic_1164.all;

entity quine3_20241213 is
port (
	x2, x1, x0: in std_logic;
	y: out std_logic
);
end;

architecture behaviour of quine3_20241213 is
begin
y	<=	not (
			(x2 or not x1 or x0) and
			(not x2 or x1) and
			(not x2 or not x0)
		);
end;

library ieee;
use ieee.std_logic_1164.all;

entity quine3_20241213testbench is
port (
	y: out std_logic
);
end;

architecture behaviour of quine3_20241213testbench is
	component quine3_20241213
	port (
		x2, x1, x0: in std_logic;
		y: out std_logic
	);
	end component;
	signal x2, x1, x0: std_logic;
begin
	q: quine3_20241213 PORT MAP (x2=>x2, x1=>x1, x0=>x0, y=>y);

Es hat funktioniert! Natürlich musste die Frequenz nach oben gedreht werden.

.include "m8def.inc"

ldi r16, HIGH (RAMEND)
out SPH, r16
ldi r16, LOW (RAMEND)
out SPL, r16

ldi r16, 0xff
out DDRD, r16
out DDRB, r16

ldi r16, 0x01
loop1:
mov r17, r16
com r17
out PORTB, r17
out PORTD, r16
;rcall sleep
inc r16
cpi r16, 0b00001000
brne loop1
ldi r16, 0x00
rjmp loop1

sleep:
push r16
push r17
push r18
ldi r16, 0xff
sleep_loop1:
dec r16
ldi r17, 0xff
sleep_loop2:
dec r17
ldi r18, 0x08
sleep_loop3:
dec r18
cpi r18, 0x01
brne sleep_loop3
cpi r17, 0x01
brne sleep_loop2
cpi r16, 0x01
brne sleep_loop1
pop r18
pop r17
pop r16
ret