.

projects/07/MemoryAccess/PointerTest/PointerTest.asm

@@ -0,0 +1,122 @@
+@3030
+D=A
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@SP
+M=M-1
+A=M
+D=M
+@3
+M=D
+@3040
+D=A
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@SP
+M=M-1
+A=M
+D=M
+@4
+M=D
+@32
+D=A
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@2
+D=A
+@THIS
+M=M+D
+@SP
+M=M-1
+A=M
+D=M
+@THIS
+A=M
+M=D
+@2
+D=A
+@THIS
+M=M-D
+@46
+D=A
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@6
+D=A
+@THAT
+M=M+D
+@SP
+M=M-1
+A=M
+D=M
+@THAT
+A=M
+M=D
+@6
+D=A
+@THAT
+M=M-D
+@3
+D=M
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@4
+D=M
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@SP
+M=M-1
+A=M
+D=M
+A=A-1
+M=M+D
+@2
+D=A
+@THIS
+A=M+D
+D=M
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@SP
+M=M-1
+A=M
+D=M
+A=A-1
+M=M-D
+@6
+D=A
+@THAT
+A=M+D
+D=M
+@SP
+A=M
+M=D
+@SP
+M=M+1
+@SP
+M=M-1
+A=M
+D=M
+A=A-1
+M=M+D

projects/07/MemoryAccess/PointerTest/PointerTest.cmp

@@ -0,0 +1,2 @@
+|RAM[256]| RAM[3] | RAM[4] |RAM[3032|RAM[3046|
+|   6084 |   3030 |   3040 |     32 |     46 |

projects/07/MemoryAccess/PointerTest/PointerTest.tst

@@ -0,0 +1,20 @@
+// 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.tst
+
+load PointerTest.asm,
+output-file PointerTest.out,
+compare-to PointerTest.cmp,
+output-list RAM[256]%D1.6.1 RAM[3]%D1.6.1 
+            RAM[4]%D1.6.1 RAM[3032]%D1.6.1 RAM[3046]%D1.6.1;
+
+set RAM[0] 256,   // initializes the stack pointer
+
+repeat 450 {      // enough cycles to complete the execution
+  ticktock;
+}
+
+// outputs the stack base, this, that, and
+// some values from the the this and that segments
+output;

projects/07/MemoryAccess/PointerTest/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

projects/07/MemoryAccess/PointerTest/PointerTestVME.tst

@@ -0,0 +1,20 @@
+// 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/PointerTestVME.tst
+
+load PointerTest.vm,
+output-file PointerTest.out,
+compare-to PointerTest.cmp,
+output-list RAM[256]%D1.6.1 RAM[3]%D1.6.1 RAM[4]%D1.6.1
+            RAM[3032]%D1.6.1 RAM[3046]%D1.6.1;
+
+set RAM[0] 256,   // initializes the stack pointer
+
+repeat 15 {       // PointerTest.vm has 15 instructions
+  vmstep;
+}
+
+// outputs the stack base, this, that, and
+// some values from the the this and that segments
+output;