diff --git a/BasicTest.vm b/BasicTest.vm
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index 0000000..b2f9343
--- /dev/null
+++ b/BasicTest.vm
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+// 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/07/MemoryAccess/BasicTest/BasicTest.vm
+
+// Executes pop and push commands using the virtual memory segments.
+push constant 10
+pop local 0
+push constant 21
+push constant 22
+pop argument 2
+pop argument 1
+push constant 36
+pop this 6
+push constant 42
+push constant 45
+pop that 5
+pop that 2
+push constant 510
+pop temp 6
+push local 0
+push that 5
+add
+push argument 1
+sub
+push this 6
+push this 6
+add
+sub
+push temp 6
+add
diff --git a/PointerTest.vm b/PointerTest.vm
new file mode 100644
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--- /dev/null
+++ b/PointerTest.vm
@@ -0,0 +1,22 @@
+// 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/07/MemoryAccess/PointerTest/PointerTest.vm
+
+// Executes pop and push commands using the 
+// pointer, this, and that segments.
+push constant 3030
+pop pointer 0
+push constant 3040
+pop pointer 1
+push constant 32
+pop this 2
+push constant 46
+pop that 6
+push pointer 0
+push pointer 1
+add
+push this 2
+sub
+push that 6
+add
diff --git a/SimpleAdd.vm b/SimpleAdd.vm
new file mode 100644
index 0000000..cfd4ee9
--- /dev/null
+++ b/SimpleAdd.vm
@@ -0,0 +1,9 @@
+// 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/07/StackArithmetic/SimpleAdd/SimpleAdd.vm
+
+// Pushes and adds two constants.
+push constant 7
+push constant 8
+add
diff --git a/StackTest.vm b/StackTest.vm
new file mode 100644
index 0000000..bfe78e0
--- /dev/null
+++ b/StackTest.vm
@@ -0,0 +1,45 @@
+// 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/07/StackArithmetic/StackTest/StackTest.vm
+
+// Executes a sequence of arithmetic and logical operations
+// on the stack. 
+push constant 17
+push constant 17
+eq
+push constant 17
+push constant 16
+eq
+push constant 16
+push constant 17
+eq
+push constant 892
+push constant 891
+lt
+push constant 891
+push constant 892
+lt
+push constant 891
+push constant 891
+lt
+push constant 32767
+push constant 32766
+gt
+push constant 32766
+push constant 32767
+gt
+push constant 32766
+push constant 32766
+gt
+push constant 57
+push constant 31
+push constant 53
+add
+push constant 112
+sub
+neg
+and
+push constant 82
+or
+not
diff --git a/StaticTest.vm b/StaticTest.vm
new file mode 100644
index 0000000..65b4f6f
--- /dev/null
+++ b/StaticTest.vm
@@ -0,0 +1,17 @@
+// 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/07/MemoryAccess/StaticTest/StaticTest.vm
+
+// Executes pop and push commands using the static segment.
+push constant 111
+push constant 333
+push constant 888
+pop static 8
+pop static 3
+pop static 1
+push static 3
+push static 1
+sub
+push static 8
+add