first commit

4 files changed, 64 insertions, 0 deletions

diff --git a/projects/08/ProgramFlow/BasicLoop/BasicLoop.cmp b/projects/08/ProgramFlow/BasicLoop/BasicLoop.cmp
new file mode 100644
index 0000000..00d35d2
--- /dev/null
+++ b/projects/08/ProgramFlow/BasicLoop/BasicLoop.cmp
@@ -0,0 +1,2 @@
+| RAM[0] |RAM[256]|

+|    257 |      6 |

diff --git a/projects/08/ProgramFlow/BasicLoop/BasicLoop.tst b/projects/08/ProgramFlow/BasicLoop/BasicLoop.tst
new file mode 100644
index 0000000..50ca118
--- /dev/null
+++ b/projects/08/ProgramFlow/BasicLoop/BasicLoop.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/08/ProgramFlow/BasicLoop/BasicLoop.tst

+

+load BasicLoop.asm,

+output-file BasicLoop.out,

+compare-to BasicLoop.cmp,

+output-list RAM[0]%D1.6.1 RAM[256]%D1.6.1;

+

+set RAM[0] 256,

+set RAM[1] 300,

+set RAM[2] 400,

+set RAM[400] 3,

+

+repeat 600 {

+  ticktock;

+}

+

+output;

diff --git a/projects/08/ProgramFlow/BasicLoop/BasicLoop.vm b/projects/08/ProgramFlow/BasicLoop/BasicLoop.vm
new file mode 100644
index 0000000..2d63f13
--- /dev/null
+++ b/projects/08/ProgramFlow/BasicLoop/BasicLoop.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/08/ProgramFlow/BasicLoop/BasicLoop.vm

+

+// Computes the sum 1 + 2 + ... + argument[0] and pushes the 

+// result onto the stack. Argument[0] is initialized by the test 

+// script before this code starts running.

+push constant 0    

+pop local 0         // initializes sum = 0

+label LOOP_START

+push argument 0    

+push local 0

+add

+pop local 0	        // sum = sum + counter

+push argument 0

+push constant 1

+sub

+pop argument 0      // counter--

+push argument 0

+if-goto LOOP_START  // If counter > 0, goto LOOP_START

+push local 0

diff --git a/projects/08/ProgramFlow/BasicLoop/BasicLoopVME.tst b/projects/08/ProgramFlow/BasicLoop/BasicLoopVME.tst
new file mode 100644
index 0000000..237fdff
--- /dev/null
+++ b/projects/08/ProgramFlow/BasicLoop/BasicLoopVME.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/08/ProgramFlow/BasicLoop/BasicLoopVME.tst

+

+load BasicLoop.vm,

+output-file BasicLoop.out,

+compare-to BasicLoop.cmp,

+output-list RAM[0]%D1.6.1 RAM[256]%D1.6.1;

+

+set sp 256,

+set local 300,

+set argument 400,

+set argument[0] 3,

+

+repeat 33 {

+  vmstep;

+}

+

+output;