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Diffstat (limited to 'projects/02/HalfAdder.hdl')
-rw-r--r-- | projects/02/HalfAdder.hdl | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/projects/02/HalfAdder.hdl b/projects/02/HalfAdder.hdl new file mode 100644 index 0000000..72476e0 --- /dev/null +++ b/projects/02/HalfAdder.hdl @@ -0,0 +1,18 @@ +// This file is part of www.nand2tetris.org
+// and the book "The Elements of Computing Systems"
+// by Nisan and Schocken, MIT Press.
+// File name: projects/02/HalfAdder.hdl
+
+/**
+ * Computes the sum of two bits.
+ */
+
+CHIP HalfAdder {
+ IN a, b; // 1-bit inputs
+ OUT sum, // Right bit of a + b
+ carry; // Left bit of a + b
+
+ PARTS:
+ Xor(a=a, b=b, out=sum);
+ And(a=a, b=b, out=carry);
+}
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