subtraction & multiplier

project0.2/subtraction.vcd

@@ -0,0 +1,312 @@
+$date
+	Fri Dec 20 21:26:28 2024
+$end
+$version
+	Icarus Verilog
+$end
+$timescale
+	1s
+$end
+$scope module subtractionTB $end
+$var wire 1 ! overflow $end
+$var wire 4 " Y [3:0] $end
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+$var reg 4 $ A [3:0] $end
+$var reg 4 % B [3:0] $end
+$var reg 1 & BorrowIN $end
+$scope module uut $end
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+$scope module f0 $end
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+$upscope $end
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+$var wire 1 : tempB1 $end
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+$var wire 4 R B [3:0] $end
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+$var wire 4 S Y [3:0] $end
+$var wire 1 T addOverflow $end
+$var wire 1 U detect1 $end
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+$var wire 2 X opCode [1:0] $end
+$var wire 1 ! overflowDetect $end
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+$var wire 1 Z sign2 $end
+$var wire 1 [ sign3 $end
+$var wire 1 \ subOverflow $end
+$upscope $end
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