Consolidated hana test benches into fewer files

for pf in test_simulation_{always,and,buffer,decoder,inc,mux,nand,nor,or,seq,shifter,sop,techmap,xnor,xor}; do
gawk 'FNR == 1 { printf("\n// %s\n",FILENAME); } { gsub("^module *", sprintf("module f%d_",ARGIND)); print; }' \
    ${pf}_*_test.v > $pf.v; ../tools/autotest.sh $pf.v; mv -v ${pf}_*_test.v Attic/; done;

..etc..

tests/hana/test_simulation_always.v

@@ -0,0 +1,135 @@
+
+// test_simulation_always_15_test.v
+module f1_test(input [1:0] in, output reg [1:0] out);
+
+always @(in)
+    out = in;
+endmodule	
+
+// test_simulation_always_17_test.v
+module f2_test(a, b, c, d, z);
+input a, b, c, d;
+output z;
+reg z, temp1, temp2;
+
+always @(a or b or c or d)
+begin
+    temp1 = a ^ b;
+	temp2 = c ^ d;
+	z = temp1 ^ temp2;
+end	
+
+endmodule
+
+// test_simulation_always_18_test.v
+module f3_test (in1, in2, out);
+input  in1, in2;
+output  reg out;
+
+always @ ( in1 or in2)
+	if(in1 > in2)
+		out = in1;
+	else
+		out = in2;
+endmodule		
+
+// test_simulation_always_19_test.v
+module f4_test(ctrl, in1,  in2, out);
+input ctrl;
+input  in1, in2;
+output  reg out;
+
+always @ (ctrl or in1 or in2)
+	if(ctrl)
+		out = in1 & in2;
+	else 
+		out = in1 | in2;
+endmodule		
+
+// test_simulation_always_1_test.v
+module f5_test(input in, output reg out);
+
+always @(in)
+    out = in;
+endmodule	
+
+// test_simulation_always_20_test.v
+module f6_NonBlockingEx(clk, merge, er, xmit, fddi, claim);
+input clk, merge, er, xmit, fddi;
+output reg claim;
+reg fcr;
+
+always @(posedge clk)
+begin
+    fcr <= er | xmit;
+
+	if(merge)
+	    claim <= fcr & fddi;
+	else
+	    claim <= fddi;
+end
+endmodule
+
+// test_simulation_always_21_test.v
+module f7_FlipFlop(clk, cs, ns);
+input clk;
+input [7:0] cs;
+output [7:0] ns;
+integer is;
+
+always @(posedge clk)
+    is <= cs;
+
+assign ns = is;
+endmodule	
+
+// test_simulation_always_22_test.v
+module f8_inc(clock, counter);
+
+input clock;
+output reg [7:0] counter;
+always @(posedge clock)
+	counter <= counter + 1;
+endmodule	
+
+// test_simulation_always_23_test.v
+module f9_MyCounter (clock, preset, updown, presetdata, counter);
+input clock, preset, updown;
+input [1: 0] presetdata;
+output reg [1:0] counter;
+
+always @(posedge clock)
+    if(preset)
+	    counter <= presetdata;
+	else
+	    if(updown)
+		    counter <= counter + 1;
+		else
+		    counter <= counter - 1;
+endmodule			
+
+// test_simulation_always_27_test.v
+module f10_FlipFlop(clock, cs, ns);
+input clock;
+input cs;
+output reg ns;
+reg temp;
+
+always @(posedge clock)
+begin
+    temp <= cs;
+	ns <= temp;
+end	
+
+endmodule	
+
+// test_simulation_always_29_test.v
+module f11_test(input in, output reg [1:0] out);
+
+    always @(in)
+    begin
+        out = in;
+        out = out + in;
+    end
+
+endmodule