project08 template files

08/ProgramFlow/BasicLoop/BasicLoop.tst

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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/8/ProgramFlow/BasicLoop/BasicLoop.tst
+
+// Tests BasicLoop.asm on the CPU emulator.
+// Before executing the code, initializes the stack pointer
+// and the base addresses of the local and argument segments,
+// and sets argument[0].
+
+load BasicLoop.asm,
+output-file BasicLoop.out,
+compare-to BasicLoop.cmp,
+
+set RAM[0] 256,  // SP
+set RAM[1] 300,  // LCL
+set RAM[2] 400,  // ARG
+set RAM[400] 3,  // argument 0
+
+repeat 600 {
+	ticktock;
+}
+
+// Outputs the stack pointer and the value at the stack's base
+output-list RAM[0]%D1.6.1 RAM[256]%D1.6.1;
+output;

08/ProgramFlow/BasicLoop/BasicLoop.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/8/ProgramFlow/BasicLoop/BasicLoop.vm
+
+// Computes the sum 1 + 2 + ... + n and pushes the result onto
+// the stack. The value n is given in argument[0], which must be 
+// initialized by the caller of this code.
+
+	push constant 0    
+	pop local 0         // sum = 0
+label LOOP
+	push argument 0     
+	push local 0
+	add
+	pop local 0	        // sum = sum + n
+	push argument 0
+	push constant 1
+	sub
+	pop argument 0      // n--
+	push argument 0
+	if-goto LOOP        // if n > 0, goto LOOP
+	push local 0        // else, pushes sum to the stack's top

08/ProgramFlow/BasicLoop/BasicLoopVME.tst

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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/8/ProgramFlow/BasicLoop/BasicLoopVME.tst
+
+// Tests and illustrates BasicLoop.vm on the VM emulator.
+// Before executing the code, initializes the stack pointer
+// and the base addresses of the local and argument segments,
+// and sets argument[0].
+
+load BasicLoop.vm,
+output-file BasicLoop.out,
+compare-to BasicLoop.cmp,
+
+set sp 256,
+set local 300,
+set argument 400,
+set argument[0] 3,
+
+repeat 33 {
+ 	vmstep;
+}
+
+// Outputs the stack pointer and the value at the stack's base
+output-list RAM[0]%D1.6.1 RAM[256]%D1.6.1;
+output;