Submission for Logan & Maggie's Lab 1

OriginalTesting.t.v

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+
+module testMultiplexer ();
+wire AndNandOut;
+reg A, B;
+reg[2:0] Command;
+//reg S;
+wire OneBitFinalOut;
+wire AddSubSLTSum, carryout, subtract; //overflow, 
+reg carryin;
+wire OrNorXorOut;
+
+	//wire muxout;
+    //reg S0, S1;
+    //reg in0, in1, in2, in3;
+
+	wire Cmd0Start;
+	wire Cmd1Start; 
+
+	wire nB;
+	wire BornB;
+	wire AxorB;
+	wire AandB;
+	wire CINandAxorB;
+
+	wire AnorB;
+	wire AorB;
+	wire AnandB;
+	wire nXor;
+	wire XorNor;
+
+	MiddleAddSubSLT testadd(AddSubSLTSum, carryout, subtract, A, B, Command, carryin);
+
+    AndNand newpotato(AndNandOut, A, B, Command); 
+
+	OrNorXor ortest(OrNorXorOut, A, B, Command);
+
+	Bitslice yukongoldpotato(OneBitFinalOut, AddSubSLTSum, carryout, OrNorXorOut, AndNandOut, subtract, A, B, Command, carryin);
+
+
+//FourInMux arbitrarypotato(muxout, S0, S1, in0, in1, in2, in3);
+
+initial begin
+
+// just the adder - proper behavior
+	$display("Adder/Subtractor");
+    $display("A B| Command |  Output | Expected Output");
+    A=1;B=1;Command=3'b000; carryin = 0; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, AddSubSLTSum, carryout);
+    A=1;B=1;Command=3'b001; carryin = 1; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, AddSubSLTSum, carryout);
+
+// testing subtraction
+	$display("One Bitslice Adder/Subtractor");
+    $display("A B| Command |Out|ExOut|Carryout");
+    A=1;B=1;Command=3'b000; carryin=0; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, OneBitFinalOut,  carryout);
+    A=1;B=0;Command=3'b000; carryin=0; #1000 
+    $display("%b  %b |   %b |  %b | 1 | %b", A, B, Command, OneBitFinalOut,  carryout);
+    A=0;B=0;Command=3'b000; carryin=0; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, OneBitFinalOut,  carryout);
+
+    A=1;B=1;Command=3'b001; carryin=1; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, OneBitFinalOut,  carryout);
+    A=1;B=0;Command=3'b001; carryin=1; #1000 
+    $display("%b  %b |   %b |  %b | 1 | %b", A, B, Command, OneBitFinalOut,  carryout);
+    A=0;B=0;Command=3'b001; carryin=1; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, OneBitFinalOut,  carryout);
+
+
+    //$display("A B| Command |  Output | Expected Output- pure sadness");
+    //S0 = 1; S1 = 0; in0 = 1; in1 = 1; in2 = 0; in3 = 0; #1000 
+    //$display("%b  %b | %b %b %b %b |  %b | 1", S0, S1, in0, in1, in2, in3, muxout);
+
+// testing addition
+    $display("A B| Command |  Output | Expected Output-sadness|Carryout");
+    A=1;B=1;Command=3'b000; carryin=0; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, OneBitFinalOut,  carryout);
+    A=1;B=0;Command=3'b000; carryin=0; #1000 
+    $display("%b  %b |   %b |  %b | 1 | %b", A, B, Command, OneBitFinalOut,  carryout);
+    A=0;B=0;Command=3'b000; carryin=0; #1000 
+    $display("%b  %b |   %b |  %b | 0 | %b", A, B, Command, OneBitFinalOut,  carryout);
+
+
+// Exhaustively testing AND/NAND 
+    $display("A B| Command | command0 Output | Expected Output - AND TESTS");
+    A=1;B=1;Command=3'b000; #1000 
+    $display("%b  %b |   %b |  %b  %b | 1", A, B, Command, Command[0], AndNandOut);
+    A=1;B=1;Command=3'b001; #1000 
+    $display("%b  %b |   %b |  %b  %b | 0", A, B, Command, Command[1], AndNandOut);
+    A=0;B=1;Command=3'b000; #1000 
+    $display("%b  %b |   %b |  %b  %b | 0", A, B, Command, Command[0], AndNandOut);
+    A=1;B=0;Command=3'b001; #1000 
+    $display("%b  %b |   %b |  %b  %b | 1", A, B, Command, Command[1], AndNandOut);
+
+
+// Exhaustively testing OR/NOR/XOR
+    $display("A B | Command | Output | Expected Output - OR TESTS");
+	A=1; B=1; Command=3'b111; #1000
+	$display("%b %b |    %b  |  %b   | 1 - OR TEST", A, B, Command, OrNorXorOut);
+	A=1; B=0; Command=3'b111; #1000
+	$display("%b %b |    %b  |  %b   | 1 - OR TEST", A, B, Command, OrNorXorOut);
+	A=0; B=1; Command=3'b111; #1000
+	$display("%b %b |    %b  |  %b   | 1 - OR TEST", A, B, Command, OrNorXorOut);
+	A=0; B=0; Command=3'b111; #1000
+	$display("%b %b |    %b  |  %b   | 0 - OR TEST", A, B, Command, OrNorXorOut);
+
+
+	A=1; B=1; Command=3'b110; #1000
+	$display("%b %b |    %b  |  %b   | 0 - NOR TEST", A, B, Command, OrNorXorOut);
+	A=1; B=0; Command=3'b110; #1000
+	$display("%b %b |    %b  |  %b   | 0 - NOR TEST", A, B, Command, OrNorXorOut);
+	A=0; B=1; Command=3'b110; #1000
+	$display("%b %b |    %b  |  %b   | 0 - NOR TEST", A, B, Command, OrNorXorOut);
+	A=0; B=0; Command=3'b110; #1000
+	$display("%b %b |    %b  |  %b   | 1 - NOR TEST", A, B, Command, OrNorXorOut);
+
+	A=1; B=1; Command=3'b010; #1000
+	$display("%b %b |    %b  |  %b   | 0 - XOR TEST", A, B, Command, OrNorXorOut);
+	A=1; B=0; Command=3'b010; #1000
+	$display("%b %b |    %b  |  %b   | 1 - XOR TEST", A, B, Command, OrNorXorOut);
+	A=0; B=1; Command=3'b010; #1000
+	$display("%b %b |    %b  |  %b   | 1 - XOR TEST", A, B, Command, OrNorXorOut);
+	A=0; B=0; Command=3'b010; #1000
+	$display("%b %b |    %b  |  %b   | 0 - XOR TEST", A, B, Command, OrNorXorOut);
+
+    end
+
+endmodule