rearranged the dir for github

- removed tools and pdfs
- rearranged the projects dirs
- added md files
- other minor changes

7 files changed, 0 insertions, 515 deletions

diff --git a/projects/12/MemoryTest/Main.jack b/projects/12/MemoryTest/Main.jack
deleted file mode 100644
index 77a53a9..0000000
--- a/projects/12/MemoryTest/Main.jack
+++ /dev/null
@@ -1,42 +0,0 @@
-// 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/12/MemoryTest/Main.jack

-

-/** Test program for the OS Memory class. */

-class Main {

-

-    /** Performs various memory manipulations. */

-    function void main() {

-        var int temp;

-        var Array a, b, c;

-        

-        do Memory.poke(8000, 333);       // RAM[8000] = 333

-        let temp = Memory.peek(8000);

-        do Memory.poke(8001, temp + 1);  // RAM[8001] = 334

-        

-        let a = Array.new(3);            // uses Memory.alloc

-        let a[2] = 222;

-        do Memory.poke(8002, a[2]);      // RAM[8002] = 222

-        

-        let b = Array.new(3);

-        let b[1] = a[2] - 100;

-        do Memory.poke(8003, b[1]);       // RAM[8003] = 122

-        

-        let c = Array.new(500);

-        let c[499] = a[2] - b[1];

-        do Memory.poke(8004, c[499]);     // RAM[8004] = 100

-        

-        do a.dispose();                   // uses Memory.deAlloc

-        do b.dispose();

-        

-        let b = Array.new(3);

-        let b[0] = c[499] - 90;

-        do Memory.poke(8005, b[0]);       // RAM[8005] = 10

-        

-        do c.dispose();

-        do b.dispose();

-        

-        return;

-    }

-}

diff --git a/projects/12/MemoryTest/Main.vm b/projects/12/MemoryTest/Main.vm
deleted file mode 100644
index a3a9e81..0000000
--- a/projects/12/MemoryTest/Main.vm
+++ /dev/null
@@ -1,126 +0,0 @@
-function Main.main 4
-push constant 8000
-push constant 333
-call Memory.poke 2
-pop temp 0
-push constant 8000
-call Memory.peek 1
-pop local 0
-push constant 8001
-push local 0
-push constant 1
-add
-call Memory.poke 2
-pop temp 0
-push constant 3
-call Array.new 1
-pop local 1
-push constant 2
-push local 1
-add
-push constant 222
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 8002
-push constant 2
-push local 1
-add
-pop pointer 1
-push that 0
-call Memory.poke 2
-pop temp 0
-push constant 3
-call Array.new 1
-pop local 2
-push constant 1
-push local 2
-add
-push constant 2
-push local 1
-add
-pop pointer 1
-push that 0
-push constant 100
-sub
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 8003
-push constant 1
-push local 2
-add
-pop pointer 1
-push that 0
-call Memory.poke 2
-pop temp 0
-push constant 500
-call Array.new 1
-pop local 3
-push constant 499
-push local 3
-add
-push constant 2
-push local 1
-add
-pop pointer 1
-push that 0
-push constant 1
-push local 2
-add
-pop pointer 1
-push that 0
-sub
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 8004
-push constant 499
-push local 3
-add
-pop pointer 1
-push that 0
-call Memory.poke 2
-pop temp 0
-push local 1
-call Array.dispose 1
-pop temp 0
-push local 2
-call Array.dispose 1
-pop temp 0
-push constant 3
-call Array.new 1
-pop local 2
-push constant 0
-push local 2
-add
-push constant 499
-push local 3
-add
-pop pointer 1
-push that 0
-push constant 90
-sub
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 8005
-push constant 0
-push local 2
-add
-pop pointer 1
-push that 0
-call Memory.poke 2
-pop temp 0
-push local 3
-call Array.dispose 1
-pop temp 0
-push local 2
-call Array.dispose 1
-pop temp 0
-push constant 0
-return
diff --git a/projects/12/MemoryTest/Memory.jack b/projects/12/MemoryTest/Memory.jack
deleted file mode 100644
index 54e04aa..0000000
--- a/projects/12/MemoryTest/Memory.jack
+++ /dev/null
@@ -1,72 +0,0 @@
-// 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/12/Memory.jack

-

-/**

- * This library provides two services: direct access to the computer's main

- * memory (RAM), and allocation and recycling of memory blocks. The Hack RAM

- * consists of 32,768 words, each holding a 16-bit binary number.

- */ 

-class Memory {

-    static Array memory;

-    static Array heap;

-    static int last;

-

-    /** Initializes the class. */

-    function void init() {

-        let memory = 0;

-        let heap = 2048;

-        let heap[0] = -1;

-        let heap[1] = 14334;

-        let last = 0;

-        return;

-    }

-

-    /** Returns the RAM value at the given address. */

-    function int peek(int address) {

-        return memory[address];

-    }

-

-    /** Sets the RAM value at the given address to the given value. */

-    function void poke(int address, int value) {

-        let memory[address] = value;

-        return;

-    }

-

-    /** Finds an available RAM block of the given size and returns

-     *  a reference to its base address. */

-    function int alloc(int size) {

-        var int current;

-        var int size2;

-        var int newLast;

-        let current = 0;

-        let size2 = size + 2;

-        while ((current > -1) & (heap[current + 1] < size2)) {

-            let current = heap[current];

-        }

-        if (current = -1) {

-            do String.println("Insufficient space for allocation!");

-            do Sys.error(1);

-            return -1;

-        } else {

-            let heap[current + 1] = heap[current + 1] - size2;

-            let newLast = current + heap[current + 1] + 2;

-            let heap[newLast] = heap[current];

-            let heap[current] = newLast;

-            let heap[newLast + 1] = size;

-            return heap + newLast + 2;

-        }

-    }

-

-    /** De-allocates the given object (cast as an array) by making

-     *  it available for future allocations. */

-    function void deAlloc(Array o) {

-        var int oBase;

-        let oBase = o - heap - 2;

-        let heap[oBase] = -1;

-        let heap[last] = oBase;

-        let last = oBase;

-        return;

-    }    

-}

diff --git a/projects/12/MemoryTest/Memory.vm b/projects/12/MemoryTest/Memory.vm
deleted file mode 100644
index 0570b46..0000000
--- a/projects/12/MemoryTest/Memory.vm
+++ /dev/null
@@ -1,258 +0,0 @@
-function Memory.init 0
-push constant 0
-pop static 0
-push constant 2048
-pop static 1
-push constant 0
-push static 1
-add
-push constant 1
-neg
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 1
-push static 1
-add
-push constant 14334
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 0
-pop static 2
-push constant 0
-return
-function Memory.peek 0
-push argument 0
-push static 0
-add
-pop pointer 1
-push that 0
-return
-function Memory.poke 0
-push argument 0
-push static 0
-add
-push argument 1
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push constant 0
-return
-function Memory.alloc 3
-push constant 0
-pop local 0
-push argument 0
-push constant 2
-add
-pop local 1
-label WHILE_EXP0
-push local 0
-push constant 1
-neg
-gt
-push local 0
-push constant 1
-add
-push static 1
-add
-pop pointer 1
-push that 0
-push local 1
-lt
-and
-not
-if-goto WHILE_END0
-push local 0
-push static 1
-add
-pop pointer 1
-push that 0
-pop local 0
-goto WHILE_EXP0
-label WHILE_END0
-push local 0
-push constant 1
-neg
-eq
-if-goto IF_TRUE0
-goto IF_FALSE0
-label IF_TRUE0
-push constant 34
-call String.new 1
-push constant 73
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 115
-call String.appendChar 2
-push constant 117
-call String.appendChar 2
-push constant 102
-call String.appendChar 2
-push constant 102
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 99
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 116
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 115
-call String.appendChar 2
-push constant 112
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 99
-call String.appendChar 2
-push constant 101
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 102
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 114
-call String.appendChar 2
-push constant 32
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 108
-call String.appendChar 2
-push constant 108
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 99
-call String.appendChar 2
-push constant 97
-call String.appendChar 2
-push constant 116
-call String.appendChar 2
-push constant 105
-call String.appendChar 2
-push constant 111
-call String.appendChar 2
-push constant 110
-call String.appendChar 2
-push constant 33
-call String.appendChar 2
-call String.println 1
-pop temp 0
-push constant 1
-call Sys.error 1
-pop temp 0
-push constant 1
-neg
-return
-goto IF_END0
-label IF_FALSE0
-push local 0
-push constant 1
-add
-push static 1
-add
-push local 0
-push constant 1
-add
-push static 1
-add
-pop pointer 1
-push that 0
-push local 1
-sub
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push local 0
-push local 0
-push constant 1
-add
-push static 1
-add
-pop pointer 1
-push that 0
-add
-push constant 2
-add
-pop local 2
-push local 2
-push static 1
-add
-push local 0
-push static 1
-add
-pop pointer 1
-push that 0
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push local 0
-push static 1
-add
-push local 2
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push local 2
-push constant 1
-add
-push static 1
-add
-push argument 0
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push static 1
-push local 2
-add
-push constant 2
-add
-return
-label IF_END0
-function Memory.deAlloc 1
-push argument 0
-push static 1
-sub
-push constant 2
-sub
-pop local 0
-push local 0
-push static 1
-add
-push constant 1
-neg
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push static 2
-push static 1
-add
-push local 0
-pop temp 0
-pop pointer 1
-push temp 0
-pop that 0
-push local 0
-pop static 2
-push constant 0
-return
diff --git a/projects/12/MemoryTest/MemoryTest.cmp b/projects/12/MemoryTest/MemoryTest.cmp
deleted file mode 100644
index 057958b..0000000
--- a/projects/12/MemoryTest/MemoryTest.cmp
+++ /dev/null
@@ -1,2 +0,0 @@
-|RAM[8000]|RAM[8001]|RAM[8002]|RAM[8003]|RAM[8004]|RAM[8005]|

-|     333 |     334 |     222 |     122 |     100 |      10 |

diff --git a/projects/12/MemoryTest/MemoryTest.out b/projects/12/MemoryTest/MemoryTest.out
deleted file mode 100644
index e69de29..0000000
--- a/projects/12/MemoryTest/MemoryTest.out
+++ /dev/null
diff --git a/projects/12/MemoryTest/MemoryTest.tst b/projects/12/MemoryTest/MemoryTest.tst
deleted file mode 100644
index 1da34fd..0000000
--- a/projects/12/MemoryTest/MemoryTest.tst
+++ /dev/null
@@ -1,15 +0,0 @@
-// 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/12/MemoryTest/MemoryTest.tst

-

-load,

-output-file MemoryTest.out,

-compare-to MemoryTest.cmp,

-output-list RAM[8000]%D2.6.1 RAM[8001]%D2.6.1 RAM[8002]%D2.6.1 RAM[8003]%D2.6.1 RAM[8004]%D2.6.1 RAM[8005]%D2.6.1;

-

-repeat 1000000 {

-  vmstep;

-}

-

-output;