MODULE adder

	adder		device		'P20v8';
	a,b,c		pin		1,2,3;
	cout,sum	pin		22,21;

equations
	
	cout = (a & b) # (b & c) # (a & C);

	sum = a $ b $ c;

test_vectors ([a,b,c]->[sum,cout])

	[0,0,0]->[0,0];
	[0,0,1]->[1,0];
	[0,1,0]->[1,0];
	[0,1,1]->[0,1];
	[1,0,0]->[1,0];
	[1,0,1]->[0,1];
	[1,1,0]->[0,1];
	[1,1,1]->[1,1];

END