added v2.0

01_Boolean_Logic/02_Buffer/Buffer_tb.gtkw

@@ -0,0 +1,31 @@
+[*]
+[*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
+[*] Fri Nov 25 09:50:44 2022
+[*]
+[dumpfile] "/home/micha/gitlab/nand2tetris/01_Boolean_Logic/0_Buffer/Buffer_tb.vcd"
+[dumpfile_mtime] "Fri Nov 25 09:50:10 2022"
+[dumpfile_size] 413
+[savefile] "/home/micha/gitlab/nand2tetris/01_Boolean_Logic/0_Buffer/Buffer_tb.gtkw"
+[timestart] 0
+[size] 1000 600
+[pos] -1 -1
+*-0.034062 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+[sst_width] 281
+[signals_width] 100
+[sst_expanded] 1
+[sst_vpaned_height] 132
+@201
+-IN
+@28
+Buffer_tb.in
+@200
+-OUT
+@28
+Buffer_tb.out
+@200
+-CMP
+@28
+Buffer_tb.out_cmp
+Buffer_tb.fail
+[pattern_trace] 1
+[pattern_trace] 0

01_Boolean_Logic/02_Buffer/Buffer_tb.v

@@ -0,0 +1,44 @@
+`default_nettype none
+module Buffer_tb();
+	
+	// IN,OUT
+	reg in;
+	wire out;
+
+	// Part
+	Buffer BUFFER(
+		.in(in),
+		.out(out)
+	);
+
+	// Compare
+	wire out_cmp;
+	assign out_cmp = in;
+	
+	reg fail = 0;
+	task check;
+		#1
+		if (out != out_cmp) 
+			begin
+				$display("FAIL: in=%1b, out=%1b",in,out);
+				fail=1;
+			end
+	endtask
+	  
+  	// Test	
+	initial begin
+  		$dumpfile("Buffer_tb.vcd");
+  		$dumpvars(0, Buffer_tb);
+		
+		$display("------------------------");
+		$display("Testbench: Buffer");
+		
+		in=0;check();
+		in=1;check();
+			
+		if (fail==0) $display("passed");
+		$display("------------------------");
+		$finish;
+	end
+
+endmodule

01_Boolean_Logic/02_Buffer/Include.v

@@ -0,0 +1,3 @@
+`include "../../01_Boolean_Logic/Nand.v"
+`include "../../01_Boolean_Logic/Not.v"
+`include "../../01_Boolean_Logic/Buffer.v"

01_Boolean_Logic/02_Buffer/apio.ini

@@ -0,0 +1,3 @@
+[env]
+board = iCE40-HX1K-EVB
+

01_Boolean_Logic/02_Buffer/iCE40HX1K.pcf

@@ -0,0 +1,10 @@
+# physical constrain file
+# assign io-pins to pin numbering of iCE40-HX1K on olimex board iCE40-HX1K-EVB
+# compare to the schematic of the board and the datasheet of fpga
+
+set_io BUT1 41	# BUT1
+set_io BUT2 42	# BUT2
+
+set_io LED1 40	# LED1
+set_io LED2 51	# LED2
+

01_Boolean_Logic/02_Buffer/top.v

@@ -0,0 +1,12 @@
+`default_nettype none
+module top(
+	input BUT1,
+	input BUT2,
+	output LED1,
+	output LED2
+);
+
+	Buffer BUFFER1(.in(BUT1),.out(LED1));
+	Buffer BUFFER2(.in(BUT2),.out(LED2));
+	
+endmodule