diff options
| author | Yuchen Pei <me@ypei.me> | 2017-11-29 12:30:41 +0100 |
|---|---|---|
| committer | Yuchen Pei <me@ypei.me> | 2017-11-29 12:30:41 +0100 |
| commit | a000308104aab27c2dde9a306f1bc654b2db4806 (patch) | |
| tree | aecc628e14c1628b5714281437aba18680cdc27b /projects/08/ProgramFlow/FibonacciSeries | |
first commit
Diffstat (limited to 'projects/08/ProgramFlow/FibonacciSeries')
4 files changed, 95 insertions, 0 deletions
diff --git a/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.cmp b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.cmp new file mode 100644 index 0000000..c262a4b --- /dev/null +++ b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.cmp @@ -0,0 +1,2 @@ +|RAM[3000]|RAM[3001]|RAM[3002]|RAM[3003]|RAM[3004]|RAM[3005]|
+| 0 | 1 | 1 | 2 | 3 | 5 |
diff --git a/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.tst b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.tst new file mode 100644 index 0000000..07df2b9 --- /dev/null +++ b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.tst @@ -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/08/ProgramFlow/FibonacciSeries/FibonacciSeries.tst
+
+load FibonacciSeries.asm,
+output-file FibonacciSeries.out,
+compare-to FibonacciSeries.cmp,
+output-list RAM[3000]%D1.6.2 RAM[3001]%D1.6.2 RAM[3002]%D1.6.2
+ RAM[3003]%D1.6.2 RAM[3004]%D1.6.2 RAM[3005]%D1.6.2;
+
+set RAM[0] 256,
+set RAM[1] 300,
+set RAM[2] 400,
+set RAM[400] 6,
+set RAM[401] 3000,
+
+repeat 1100 {
+ ticktock;
+}
+
+output;
diff --git a/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.vm b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.vm new file mode 100644 index 0000000..6a643b6 --- /dev/null +++ b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeries.vm @@ -0,0 +1,49 @@ +// 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/08/ProgramFlow/FibonacciSeries/FibonacciSeries.vm
+
+// Puts the first argument[0] elements of the Fibonacci series
+// in the memory, starting in the address given in argument[1].
+// Argument[0] and argument[1] are initialized by the test script
+// before this code starts running.
+
+push argument 1
+pop pointer 1 // that = argument[1]
+
+push constant 0
+pop that 0 // first element in the series = 0
+push constant 1
+pop that 1 // second element in the series = 1
+
+push argument 0
+push constant 2
+sub
+pop argument 0 // num_of_elements -= 2 (first 2 elements are set)
+
+label MAIN_LOOP_START
+
+push argument 0
+if-goto COMPUTE_ELEMENT // if num_of_elements > 0, goto COMPUTE_ELEMENT
+goto END_PROGRAM // otherwise, goto END_PROGRAM
+
+label COMPUTE_ELEMENT
+
+push that 0
+push that 1
+add
+pop that 2 // that[2] = that[0] + that[1]
+
+push pointer 1
+push constant 1
+add
+pop pointer 1 // that += 1
+
+push argument 0
+push constant 1
+sub
+pop argument 0 // num_of_elements--
+
+goto MAIN_LOOP_START
+
+label END_PROGRAM
diff --git a/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeriesVME.tst b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeriesVME.tst new file mode 100644 index 0000000..243f31b --- /dev/null +++ b/projects/08/ProgramFlow/FibonacciSeries/FibonacciSeriesVME.tst @@ -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/08/ProgramFlow/FibonacciSeries/FibonacciSeriesVME.tst
+
+load FibonacciSeries.vm,
+output-file FibonacciSeries.out,
+compare-to FibonacciSeries.cmp,
+output-list RAM[3000]%D1.6.2 RAM[3001]%D1.6.2 RAM[3002]%D1.6.2
+ RAM[3003]%D1.6.2 RAM[3004]%D1.6.2 RAM[3005]%D1.6.2;
+
+set sp 256,
+set local 300,
+set argument 400,
+set argument[0] 6,
+set argument[1] 3000,
+
+repeat 73 {
+ vmstep;
+}
+
+output;
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