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authorFrederick Yin <fkfd@fkfd.me>2022-08-16 11:54:23 +0800
committerFrederick Yin <fkfd@fkfd.me>2022-08-16 11:54:23 +0800
commit9542deeb483a00b6fabed7574720926ce97d7511 (patch)
tree0f2c1f72c03dd4693fd59df67544d2a4dddc5494 /projects/03/a
parent9c0cb1d1c32724fc95ac9548e4f8d873d3adaccc (diff)
Projects, 01-06 completed
Diffstat (limited to 'projects/03/a')
-rw-r--r--projects/03/a/Bit.cmp215
-rw-r--r--projects/03/a/Bit.hdl19
-rw-r--r--projects/03/a/Bit.out215
-rw-r--r--projects/03/a/Bit.tst865
-rw-r--r--projects/03/a/PC.cmp31
-rw-r--r--projects/03/a/PC.hdl24
-rw-r--r--projects/03/a/PC.out31
-rw-r--r--projects/03/a/PC.tst125
-rw-r--r--projects/03/a/RAM64.cmp320
-rw-r--r--projects/03/a/RAM64.hdl28
-rw-r--r--projects/03/a/RAM64.out320
-rw-r--r--projects/03/a/RAM64.tst1026
-rw-r--r--projects/03/a/RAM8.cmp173
-rw-r--r--projects/03/a/RAM8.hdl28
-rw-r--r--projects/03/a/RAM8.out173
-rw-r--r--projects/03/a/RAM8.tst560
-rw-r--r--projects/03/a/Register.cmp149
-rw-r--r--projects/03/a/Register.hdl33
-rw-r--r--projects/03/a/Register.out149
-rw-r--r--projects/03/a/Register.tst569
20 files changed, 5053 insertions, 0 deletions
diff --git a/projects/03/a/Bit.cmp b/projects/03/a/Bit.cmp
new file mode 100644
index 0000000..e900ec7
--- /dev/null
+++ b/projects/03/a/Bit.cmp
@@ -0,0 +1,215 @@
+| time | in |load | out |
+| 0+ | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 |
+| 2 | 0 | 1 | 0 |
+| 2+ | 1 | 0 | 0 |
+| 3 | 1 | 0 | 0 |
+| 3+ | 1 | 1 | 0 |
+| 4 | 1 | 1 | 1 |
+| 4+ | 0 | 0 | 1 |
+| 5 | 0 | 0 | 1 |
+| 5+ | 1 | 0 | 1 |
+| 6 | 1 | 0 | 1 |
+| 6+ | 0 | 1 | 1 |
+| 7 | 0 | 1 | 0 |
+| 7+ | 1 | 1 | 0 |
+| 8 | 1 | 1 | 1 |
+| 8+ | 0 | 0 | 1 |
+| 9 | 0 | 0 | 1 |
+| 9+ | 0 | 0 | 1 |
+| 10 | 0 | 0 | 1 |
+| 10+ | 0 | 0 | 1 |
+| 11 | 0 | 0 | 1 |
+| 11+ | 0 | 0 | 1 |
+| 12 | 0 | 0 | 1 |
+| 12+ | 0 | 0 | 1 |
+| 13 | 0 | 0 | 1 |
+| 13+ | 0 | 0 | 1 |
+| 14 | 0 | 0 | 1 |
+| 14+ | 0 | 0 | 1 |
+| 15 | 0 | 0 | 1 |
+| 15+ | 0 | 0 | 1 |
+| 16 | 0 | 0 | 1 |
+| 16+ | 0 | 0 | 1 |
+| 17 | 0 | 0 | 1 |
+| 17+ | 0 | 0 | 1 |
+| 18 | 0 | 0 | 1 |
+| 18+ | 0 | 0 | 1 |
+| 19 | 0 | 0 | 1 |
+| 19+ | 0 | 0 | 1 |
+| 20 | 0 | 0 | 1 |
+| 20+ | 0 | 0 | 1 |
+| 21 | 0 | 0 | 1 |
+| 21+ | 0 | 0 | 1 |
+| 22 | 0 | 0 | 1 |
+| 22+ | 0 | 0 | 1 |
+| 23 | 0 | 0 | 1 |
+| 23+ | 0 | 0 | 1 |
+| 24 | 0 | 0 | 1 |
+| 24+ | 0 | 0 | 1 |
+| 25 | 0 | 0 | 1 |
+| 25+ | 0 | 0 | 1 |
+| 26 | 0 | 0 | 1 |
+| 26+ | 0 | 0 | 1 |
+| 27 | 0 | 0 | 1 |
+| 27+ | 0 | 0 | 1 |
+| 28 | 0 | 0 | 1 |
+| 28+ | 0 | 0 | 1 |
+| 29 | 0 | 0 | 1 |
+| 29+ | 0 | 0 | 1 |
+| 30 | 0 | 0 | 1 |
+| 30+ | 0 | 0 | 1 |
+| 31 | 0 | 0 | 1 |
+| 31+ | 0 | 0 | 1 |
+| 32 | 0 | 0 | 1 |
+| 32+ | 0 | 0 | 1 |
+| 33 | 0 | 0 | 1 |
+| 33+ | 0 | 0 | 1 |
+| 34 | 0 | 0 | 1 |
+| 34+ | 0 | 0 | 1 |
+| 35 | 0 | 0 | 1 |
+| 35+ | 0 | 0 | 1 |
+| 36 | 0 | 0 | 1 |
+| 36+ | 0 | 0 | 1 |
+| 37 | 0 | 0 | 1 |
+| 37+ | 0 | 0 | 1 |
+| 38 | 0 | 0 | 1 |
+| 38+ | 0 | 0 | 1 |
+| 39 | 0 | 0 | 1 |
+| 39+ | 0 | 0 | 1 |
+| 40 | 0 | 0 | 1 |
+| 40+ | 0 | 0 | 1 |
+| 41 | 0 | 0 | 1 |
+| 41+ | 0 | 0 | 1 |
+| 42 | 0 | 0 | 1 |
+| 42+ | 0 | 0 | 1 |
+| 43 | 0 | 0 | 1 |
+| 43+ | 0 | 0 | 1 |
+| 44 | 0 | 0 | 1 |
+| 44+ | 0 | 0 | 1 |
+| 45 | 0 | 0 | 1 |
+| 45+ | 0 | 0 | 1 |
+| 46 | 0 | 0 | 1 |
+| 46+ | 0 | 0 | 1 |
+| 47 | 0 | 0 | 1 |
+| 47+ | 0 | 0 | 1 |
+| 48 | 0 | 0 | 1 |
+| 48+ | 0 | 0 | 1 |
+| 49 | 0 | 0 | 1 |
+| 49+ | 0 | 0 | 1 |
+| 50 | 0 | 0 | 1 |
+| 50+ | 0 | 0 | 1 |
+| 51 | 0 | 0 | 1 |
+| 51+ | 0 | 0 | 1 |
+| 52 | 0 | 0 | 1 |
+| 52+ | 0 | 0 | 1 |
+| 53 | 0 | 0 | 1 |
+| 53+ | 0 | 0 | 1 |
+| 54 | 0 | 0 | 1 |
+| 54+ | 0 | 0 | 1 |
+| 55 | 0 | 0 | 1 |
+| 55+ | 0 | 0 | 1 |
+| 56 | 0 | 0 | 1 |
+| 56+ | 0 | 0 | 1 |
+| 57 | 0 | 0 | 1 |
+| 57+ | 0 | 1 | 1 |
+| 58 | 0 | 1 | 0 |
+| 58+ | 1 | 0 | 0 |
+| 59 | 1 | 0 | 0 |
+| 59+ | 1 | 0 | 0 |
+| 60 | 1 | 0 | 0 |
+| 60+ | 1 | 0 | 0 |
+| 61 | 1 | 0 | 0 |
+| 61+ | 1 | 0 | 0 |
+| 62 | 1 | 0 | 0 |
+| 62+ | 1 | 0 | 0 |
+| 63 | 1 | 0 | 0 |
+| 63+ | 1 | 0 | 0 |
+| 64 | 1 | 0 | 0 |
+| 64+ | 1 | 0 | 0 |
+| 65 | 1 | 0 | 0 |
+| 65+ | 1 | 0 | 0 |
+| 66 | 1 | 0 | 0 |
+| 66+ | 1 | 0 | 0 |
+| 67 | 1 | 0 | 0 |
+| 67+ | 1 | 0 | 0 |
+| 68 | 1 | 0 | 0 |
+| 68+ | 1 | 0 | 0 |
+| 69 | 1 | 0 | 0 |
+| 69+ | 1 | 0 | 0 |
+| 70 | 1 | 0 | 0 |
+| 70+ | 1 | 0 | 0 |
+| 71 | 1 | 0 | 0 |
+| 71+ | 1 | 0 | 0 |
+| 72 | 1 | 0 | 0 |
+| 72+ | 1 | 0 | 0 |
+| 73 | 1 | 0 | 0 |
+| 73+ | 1 | 0 | 0 |
+| 74 | 1 | 0 | 0 |
+| 74+ | 1 | 0 | 0 |
+| 75 | 1 | 0 | 0 |
+| 75+ | 1 | 0 | 0 |
+| 76 | 1 | 0 | 0 |
+| 76+ | 1 | 0 | 0 |
+| 77 | 1 | 0 | 0 |
+| 77+ | 1 | 0 | 0 |
+| 78 | 1 | 0 | 0 |
+| 78+ | 1 | 0 | 0 |
+| 79 | 1 | 0 | 0 |
+| 79+ | 1 | 0 | 0 |
+| 80 | 1 | 0 | 0 |
+| 80+ | 1 | 0 | 0 |
+| 81 | 1 | 0 | 0 |
+| 81+ | 1 | 0 | 0 |
+| 82 | 1 | 0 | 0 |
+| 82+ | 1 | 0 | 0 |
+| 83 | 1 | 0 | 0 |
+| 83+ | 1 | 0 | 0 |
+| 84 | 1 | 0 | 0 |
+| 84+ | 1 | 0 | 0 |
+| 85 | 1 | 0 | 0 |
+| 85+ | 1 | 0 | 0 |
+| 86 | 1 | 0 | 0 |
+| 86+ | 1 | 0 | 0 |
+| 87 | 1 | 0 | 0 |
+| 87+ | 1 | 0 | 0 |
+| 88 | 1 | 0 | 0 |
+| 88+ | 1 | 0 | 0 |
+| 89 | 1 | 0 | 0 |
+| 89+ | 1 | 0 | 0 |
+| 90 | 1 | 0 | 0 |
+| 90+ | 1 | 0 | 0 |
+| 91 | 1 | 0 | 0 |
+| 91+ | 1 | 0 | 0 |
+| 92 | 1 | 0 | 0 |
+| 92+ | 1 | 0 | 0 |
+| 93 | 1 | 0 | 0 |
+| 93+ | 1 | 0 | 0 |
+| 94 | 1 | 0 | 0 |
+| 94+ | 1 | 0 | 0 |
+| 95 | 1 | 0 | 0 |
+| 95+ | 1 | 0 | 0 |
+| 96 | 1 | 0 | 0 |
+| 96+ | 1 | 0 | 0 |
+| 97 | 1 | 0 | 0 |
+| 97+ | 1 | 0 | 0 |
+| 98 | 1 | 0 | 0 |
+| 98+ | 1 | 0 | 0 |
+| 99 | 1 | 0 | 0 |
+| 99+ | 1 | 0 | 0 |
+| 100 | 1 | 0 | 0 |
+| 100+ | 1 | 0 | 0 |
+| 101 | 1 | 0 | 0 |
+| 101+ | 1 | 0 | 0 |
+| 102 | 1 | 0 | 0 |
+| 102+ | 1 | 0 | 0 |
+| 103 | 1 | 0 | 0 |
+| 103+ | 1 | 0 | 0 |
+| 104 | 1 | 0 | 0 |
+| 104+ | 1 | 0 | 0 |
+| 105 | 1 | 0 | 0 |
+| 105+ | 1 | 0 | 0 |
+| 106 | 1 | 0 | 0 |
+| 106+ | 1 | 0 | 0 |
+| 107 | 1 | 0 | 0 |
diff --git a/projects/03/a/Bit.hdl b/projects/03/a/Bit.hdl
new file mode 100644
index 0000000..1fcb250
--- /dev/null
+++ b/projects/03/a/Bit.hdl
@@ -0,0 +1,19 @@
+// 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/03/a/Bit.hdl
+
+/**
+ * 1-bit register:
+ * If load[t] == 1 then out[t+1] = in[t]
+ * else out does not change (out[t+1] = out[t])
+ */
+
+CHIP Bit {
+ IN in, load;
+ OUT out;
+
+ PARTS:
+ Mux(a=fb, b=in, sel=load, out=data);
+ DFF(in=data, out=fb, out=out);
+}
diff --git a/projects/03/a/Bit.out b/projects/03/a/Bit.out
new file mode 100644
index 0000000..165c66d
--- /dev/null
+++ b/projects/03/a/Bit.out
@@ -0,0 +1,215 @@
+| time | in |load | out |
+| 0+ | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 |
+| 2 | 0 | 1 | 0 |
+| 2+ | 1 | 0 | 0 |
+| 3 | 1 | 0 | 0 |
+| 3+ | 1 | 1 | 0 |
+| 4 | 1 | 1 | 1 |
+| 4+ | 0 | 0 | 1 |
+| 5 | 0 | 0 | 1 |
+| 5+ | 1 | 0 | 1 |
+| 6 | 1 | 0 | 1 |
+| 6+ | 0 | 1 | 1 |
+| 7 | 0 | 1 | 0 |
+| 7+ | 1 | 1 | 0 |
+| 8 | 1 | 1 | 1 |
+| 8+ | 0 | 0 | 1 |
+| 9 | 0 | 0 | 1 |
+| 9+ | 0 | 0 | 1 |
+| 10 | 0 | 0 | 1 |
+| 10+ | 0 | 0 | 1 |
+| 11 | 0 | 0 | 1 |
+| 11+ | 0 | 0 | 1 |
+| 12 | 0 | 0 | 1 |
+| 12+ | 0 | 0 | 1 |
+| 13 | 0 | 0 | 1 |
+| 13+ | 0 | 0 | 1 |
+| 14 | 0 | 0 | 1 |
+| 14+ | 0 | 0 | 1 |
+| 15 | 0 | 0 | 1 |
+| 15+ | 0 | 0 | 1 |
+| 16 | 0 | 0 | 1 |
+| 16+ | 0 | 0 | 1 |
+| 17 | 0 | 0 | 1 |
+| 17+ | 0 | 0 | 1 |
+| 18 | 0 | 0 | 1 |
+| 18+ | 0 | 0 | 1 |
+| 19 | 0 | 0 | 1 |
+| 19+ | 0 | 0 | 1 |
+| 20 | 0 | 0 | 1 |
+| 20+ | 0 | 0 | 1 |
+| 21 | 0 | 0 | 1 |
+| 21+ | 0 | 0 | 1 |
+| 22 | 0 | 0 | 1 |
+| 22+ | 0 | 0 | 1 |
+| 23 | 0 | 0 | 1 |
+| 23+ | 0 | 0 | 1 |
+| 24 | 0 | 0 | 1 |
+| 24+ | 0 | 0 | 1 |
+| 25 | 0 | 0 | 1 |
+| 25+ | 0 | 0 | 1 |
+| 26 | 0 | 0 | 1 |
+| 26+ | 0 | 0 | 1 |
+| 27 | 0 | 0 | 1 |
+| 27+ | 0 | 0 | 1 |
+| 28 | 0 | 0 | 1 |
+| 28+ | 0 | 0 | 1 |
+| 29 | 0 | 0 | 1 |
+| 29+ | 0 | 0 | 1 |
+| 30 | 0 | 0 | 1 |
+| 30+ | 0 | 0 | 1 |
+| 31 | 0 | 0 | 1 |
+| 31+ | 0 | 0 | 1 |
+| 32 | 0 | 0 | 1 |
+| 32+ | 0 | 0 | 1 |
+| 33 | 0 | 0 | 1 |
+| 33+ | 0 | 0 | 1 |
+| 34 | 0 | 0 | 1 |
+| 34+ | 0 | 0 | 1 |
+| 35 | 0 | 0 | 1 |
+| 35+ | 0 | 0 | 1 |
+| 36 | 0 | 0 | 1 |
+| 36+ | 0 | 0 | 1 |
+| 37 | 0 | 0 | 1 |
+| 37+ | 0 | 0 | 1 |
+| 38 | 0 | 0 | 1 |
+| 38+ | 0 | 0 | 1 |
+| 39 | 0 | 0 | 1 |
+| 39+ | 0 | 0 | 1 |
+| 40 | 0 | 0 | 1 |
+| 40+ | 0 | 0 | 1 |
+| 41 | 0 | 0 | 1 |
+| 41+ | 0 | 0 | 1 |
+| 42 | 0 | 0 | 1 |
+| 42+ | 0 | 0 | 1 |
+| 43 | 0 | 0 | 1 |
+| 43+ | 0 | 0 | 1 |
+| 44 | 0 | 0 | 1 |
+| 44+ | 0 | 0 | 1 |
+| 45 | 0 | 0 | 1 |
+| 45+ | 0 | 0 | 1 |
+| 46 | 0 | 0 | 1 |
+| 46+ | 0 | 0 | 1 |
+| 47 | 0 | 0 | 1 |
+| 47+ | 0 | 0 | 1 |
+| 48 | 0 | 0 | 1 |
+| 48+ | 0 | 0 | 1 |
+| 49 | 0 | 0 | 1 |
+| 49+ | 0 | 0 | 1 |
+| 50 | 0 | 0 | 1 |
+| 50+ | 0 | 0 | 1 |
+| 51 | 0 | 0 | 1 |
+| 51+ | 0 | 0 | 1 |
+| 52 | 0 | 0 | 1 |
+| 52+ | 0 | 0 | 1 |
+| 53 | 0 | 0 | 1 |
+| 53+ | 0 | 0 | 1 |
+| 54 | 0 | 0 | 1 |
+| 54+ | 0 | 0 | 1 |
+| 55 | 0 | 0 | 1 |
+| 55+ | 0 | 0 | 1 |
+| 56 | 0 | 0 | 1 |
+| 56+ | 0 | 0 | 1 |
+| 57 | 0 | 0 | 1 |
+| 57+ | 0 | 1 | 1 |
+| 58 | 0 | 1 | 0 |
+| 58+ | 1 | 0 | 0 |
+| 59 | 1 | 0 | 0 |
+| 59+ | 1 | 0 | 0 |
+| 60 | 1 | 0 | 0 |
+| 60+ | 1 | 0 | 0 |
+| 61 | 1 | 0 | 0 |
+| 61+ | 1 | 0 | 0 |
+| 62 | 1 | 0 | 0 |
+| 62+ | 1 | 0 | 0 |
+| 63 | 1 | 0 | 0 |
+| 63+ | 1 | 0 | 0 |
+| 64 | 1 | 0 | 0 |
+| 64+ | 1 | 0 | 0 |
+| 65 | 1 | 0 | 0 |
+| 65+ | 1 | 0 | 0 |
+| 66 | 1 | 0 | 0 |
+| 66+ | 1 | 0 | 0 |
+| 67 | 1 | 0 | 0 |
+| 67+ | 1 | 0 | 0 |
+| 68 | 1 | 0 | 0 |
+| 68+ | 1 | 0 | 0 |
+| 69 | 1 | 0 | 0 |
+| 69+ | 1 | 0 | 0 |
+| 70 | 1 | 0 | 0 |
+| 70+ | 1 | 0 | 0 |
+| 71 | 1 | 0 | 0 |
+| 71+ | 1 | 0 | 0 |
+| 72 | 1 | 0 | 0 |
+| 72+ | 1 | 0 | 0 |
+| 73 | 1 | 0 | 0 |
+| 73+ | 1 | 0 | 0 |
+| 74 | 1 | 0 | 0 |
+| 74+ | 1 | 0 | 0 |
+| 75 | 1 | 0 | 0 |
+| 75+ | 1 | 0 | 0 |
+| 76 | 1 | 0 | 0 |
+| 76+ | 1 | 0 | 0 |
+| 77 | 1 | 0 | 0 |
+| 77+ | 1 | 0 | 0 |
+| 78 | 1 | 0 | 0 |
+| 78+ | 1 | 0 | 0 |
+| 79 | 1 | 0 | 0 |
+| 79+ | 1 | 0 | 0 |
+| 80 | 1 | 0 | 0 |
+| 80+ | 1 | 0 | 0 |
+| 81 | 1 | 0 | 0 |
+| 81+ | 1 | 0 | 0 |
+| 82 | 1 | 0 | 0 |
+| 82+ | 1 | 0 | 0 |
+| 83 | 1 | 0 | 0 |
+| 83+ | 1 | 0 | 0 |
+| 84 | 1 | 0 | 0 |
+| 84+ | 1 | 0 | 0 |
+| 85 | 1 | 0 | 0 |
+| 85+ | 1 | 0 | 0 |
+| 86 | 1 | 0 | 0 |
+| 86+ | 1 | 0 | 0 |
+| 87 | 1 | 0 | 0 |
+| 87+ | 1 | 0 | 0 |
+| 88 | 1 | 0 | 0 |
+| 88+ | 1 | 0 | 0 |
+| 89 | 1 | 0 | 0 |
+| 89+ | 1 | 0 | 0 |
+| 90 | 1 | 0 | 0 |
+| 90+ | 1 | 0 | 0 |
+| 91 | 1 | 0 | 0 |
+| 91+ | 1 | 0 | 0 |
+| 92 | 1 | 0 | 0 |
+| 92+ | 1 | 0 | 0 |
+| 93 | 1 | 0 | 0 |
+| 93+ | 1 | 0 | 0 |
+| 94 | 1 | 0 | 0 |
+| 94+ | 1 | 0 | 0 |
+| 95 | 1 | 0 | 0 |
+| 95+ | 1 | 0 | 0 |
+| 96 | 1 | 0 | 0 |
+| 96+ | 1 | 0 | 0 |
+| 97 | 1 | 0 | 0 |
+| 97+ | 1 | 0 | 0 |
+| 98 | 1 | 0 | 0 |
+| 98+ | 1 | 0 | 0 |
+| 99 | 1 | 0 | 0 |
+| 99+ | 1 | 0 | 0 |
+| 100 | 1 | 0 | 0 |
+| 100+ | 1 | 0 | 0 |
+| 101 | 1 | 0 | 0 |
+| 101+ | 1 | 0 | 0 |
+| 102 | 1 | 0 | 0 |
+| 102+ | 1 | 0 | 0 |
+| 103 | 1 | 0 | 0 |
+| 103+ | 1 | 0 | 0 |
+| 104 | 1 | 0 | 0 |
+| 104+ | 1 | 0 | 0 |
+| 105 | 1 | 0 | 0 |
+| 105+ | 1 | 0 | 0 |
+| 106 | 1 | 0 | 0 |
+| 106+ | 1 | 0 | 0 |
+| 107 | 1 | 0 | 0 |
diff --git a/projects/03/a/Bit.tst b/projects/03/a/Bit.tst
new file mode 100644
index 0000000..c6bf523
--- /dev/null
+++ b/projects/03/a/Bit.tst
@@ -0,0 +1,865 @@
+// 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/03/a/Bit.tst
+
+load Bit.hdl,
+output-file Bit.out,
+compare-to Bit.cmp,
+output-list time%S1.4.1 in%B2.1.2 load%B2.1.2 out%B2.1.2;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 1,
+set load 0,
+tick,
+output;
+
+tock,
+output;
diff --git a/projects/03/a/PC.cmp b/projects/03/a/PC.cmp
new file mode 100644
index 0000000..6a050d9
--- /dev/null
+++ b/projects/03/a/PC.cmp
@@ -0,0 +1,31 @@
+| time | in |reset|load | inc | out |
+| 0+ | 0 | 0 | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 | 0 | 0 |
+| 1+ | 0 | 0 | 0 | 1 | 0 |
+| 2 | 0 | 0 | 0 | 1 | 1 |
+| 2+ | -32123 | 0 | 0 | 1 | 1 |
+| 3 | -32123 | 0 | 0 | 1 | 2 |
+| 3+ | -32123 | 0 | 1 | 1 | 2 |
+| 4 | -32123 | 0 | 1 | 1 | -32123 |
+| 4+ | -32123 | 0 | 0 | 1 | -32123 |
+| 5 | -32123 | 0 | 0 | 1 | -32122 |
+| 5+ | -32123 | 0 | 0 | 1 | -32122 |
+| 6 | -32123 | 0 | 0 | 1 | -32121 |
+| 6+ | 12345 | 0 | 1 | 0 | -32121 |
+| 7 | 12345 | 0 | 1 | 0 | 12345 |
+| 7+ | 12345 | 1 | 1 | 0 | 12345 |
+| 8 | 12345 | 1 | 1 | 0 | 0 |
+| 8+ | 12345 | 0 | 1 | 1 | 0 |
+| 9 | 12345 | 0 | 1 | 1 | 12345 |
+| 9+ | 12345 | 1 | 1 | 1 | 12345 |
+| 10 | 12345 | 1 | 1 | 1 | 0 |
+| 10+ | 12345 | 0 | 0 | 1 | 0 |
+| 11 | 12345 | 0 | 0 | 1 | 1 |
+| 11+ | 12345 | 1 | 0 | 1 | 1 |
+| 12 | 12345 | 1 | 0 | 1 | 0 |
+| 12+ | 0 | 0 | 1 | 1 | 0 |
+| 13 | 0 | 0 | 1 | 1 | 0 |
+| 13+ | 0 | 0 | 0 | 1 | 0 |
+| 14 | 0 | 0 | 0 | 1 | 1 |
+| 14+ | 22222 | 1 | 0 | 0 | 1 |
+| 15 | 22222 | 1 | 0 | 0 | 0 |
diff --git a/projects/03/a/PC.hdl b/projects/03/a/PC.hdl
new file mode 100644
index 0000000..0e44698
--- /dev/null
+++ b/projects/03/a/PC.hdl
@@ -0,0 +1,24 @@
+// 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/03/a/PC.hdl
+
+/**
+ * A 16-bit counter with load and reset control bits.
+ * if (reset[t] == 1) out[t+1] = 0
+ * else if (load[t] == 1) out[t+1] = in[t]
+ * else if (inc[t] == 1) out[t+1] = out[t] + 1 (integer addition)
+ * else out[t+1] = out[t]
+ */
+
+CHIP PC {
+ IN in[16],load,inc,reset;
+ OUT out[16];
+
+ PARTS:
+ Register(in=fb, load=true, out=reg, out=out);
+ Inc16(in=reg, out=reg1);
+ Mux16(a=reg, b=reg1, sel=inc, out=cnt);
+ Mux16(a=cnt, b=in, sel=load, out=cntin);
+ Mux16(a=cntin, b=false, sel=reset, out=fb);
+}
diff --git a/projects/03/a/PC.out b/projects/03/a/PC.out
new file mode 100644
index 0000000..5eca76b
--- /dev/null
+++ b/projects/03/a/PC.out
@@ -0,0 +1,31 @@
+| time | in |reset|load | inc | out |
+| 0+ | 0 | 0 | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 | 0 | 0 |
+| 1+ | 0 | 0 | 0 | 1 | 0 |
+| 2 | 0 | 0 | 0 | 1 | 1 |
+| 2+ | -32123 | 0 | 0 | 1 | 1 |
+| 3 | -32123 | 0 | 0 | 1 | 2 |
+| 3+ | -32123 | 0 | 1 | 1 | 2 |
+| 4 | -32123 | 0 | 1 | 1 | -32123 |
+| 4+ | -32123 | 0 | 0 | 1 | -32123 |
+| 5 | -32123 | 0 | 0 | 1 | -32122 |
+| 5+ | -32123 | 0 | 0 | 1 | -32122 |
+| 6 | -32123 | 0 | 0 | 1 | -32121 |
+| 6+ | 12345 | 0 | 1 | 0 | -32121 |
+| 7 | 12345 | 0 | 1 | 0 | 12345 |
+| 7+ | 12345 | 1 | 1 | 0 | 12345 |
+| 8 | 12345 | 1 | 1 | 0 | 0 |
+| 8+ | 12345 | 0 | 1 | 1 | 0 |
+| 9 | 12345 | 0 | 1 | 1 | 12345 |
+| 9+ | 12345 | 1 | 1 | 1 | 12345 |
+| 10 | 12345 | 1 | 1 | 1 | 0 |
+| 10+ | 12345 | 0 | 0 | 1 | 0 |
+| 11 | 12345 | 0 | 0 | 1 | 1 |
+| 11+ | 12345 | 1 | 0 | 1 | 1 |
+| 12 | 12345 | 1 | 0 | 1 | 0 |
+| 12+ | 0 | 0 | 1 | 1 | 0 |
+| 13 | 0 | 0 | 1 | 1 | 0 |
+| 13+ | 0 | 0 | 0 | 1 | 0 |
+| 14 | 0 | 0 | 0 | 1 | 1 |
+| 14+ | 22222 | 1 | 0 | 0 | 1 |
+| 15 | 22222 | 1 | 0 | 0 | 0 |
diff --git a/projects/03/a/PC.tst b/projects/03/a/PC.tst
new file mode 100644
index 0000000..7f4f3cd
--- /dev/null
+++ b/projects/03/a/PC.tst
@@ -0,0 +1,125 @@
+// 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/03/a/PC.tst
+
+load PC.hdl,
+output-file PC.out,
+compare-to PC.cmp,
+output-list time%S1.4.1 in%D1.6.1 reset%B2.1.2 load%B2.1.2 inc%B2.1.2 out%D1.6.1;
+
+set in 0,
+set reset 0,
+set load 0,
+set inc 0,
+tick,
+output;
+
+tock,
+output;
+
+set inc 1,
+tick,
+output;
+
+tock,
+output;
+
+set in -32123,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+tick,
+output;
+
+tock,
+output;
+
+set in 12345,
+set load 1,
+set inc 0,
+tick,
+output;
+
+tock,
+output;
+
+set reset 1,
+tick,
+output;
+
+tock,
+output;
+
+set reset 0,
+set inc 1,
+tick,
+output;
+
+tock,
+output;
+
+set reset 1,
+tick,
+output;
+
+tock,
+output;
+
+set reset 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set reset 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set reset 0,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set load 0,
+set inc 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 22222,
+set reset 1,
+set inc 0,
+tick,
+output;
+
+tock,
+output;
diff --git a/projects/03/a/RAM64.cmp b/projects/03/a/RAM64.cmp
new file mode 100644
index 0000000..fdb7745
--- /dev/null
+++ b/projects/03/a/RAM64.cmp
@@ -0,0 +1,320 @@
+| time | in |load |address| out |
+| 0+ | 0 | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 | 0 |
+| 2 | 0 | 1 | 0 | 0 |
+| 2+ | 1313 | 0 | 0 | 0 |
+| 3 | 1313 | 0 | 0 | 0 |
+| 3+ | 1313 | 1 | 13 | 0 |
+| 4 | 1313 | 1 | 13 | 1313 |
+| 4+ | 1313 | 0 | 0 | 0 |
+| 5 | 1313 | 0 | 0 | 0 |
+| 5+ | 4747 | 0 | 47 | 0 |
+| 6 | 4747 | 0 | 47 | 0 |
+| 6+ | 4747 | 1 | 47 | 0 |
+| 7 | 4747 | 1 | 47 | 4747 |
+| 7+ | 4747 | 0 | 47 | 4747 |
+| 8 | 4747 | 0 | 47 | 4747 |
+| 8 | 4747 | 0 | 13 | 1313 |
+| 8+ | 6363 | 0 | 13 | 1313 |
+| 9 | 6363 | 0 | 13 | 1313 |
+| 9+ | 6363 | 1 | 63 | 0 |
+| 10 | 6363 | 1 | 63 | 6363 |
+| 10+ | 6363 | 0 | 63 | 6363 |
+| 11 | 6363 | 0 | 63 | 6363 |
+| 11 | 6363 | 0 | 47 | 4747 |
+| 11 | 6363 | 0 | 63 | 6363 |
+| 11+ | 6363 | 0 | 40 | 0 |
+| 12 | 6363 | 0 | 40 | 0 |
+| 12 | 6363 | 0 | 41 | 0 |
+| 12 | 6363 | 0 | 42 | 0 |
+| 12 | 6363 | 0 | 43 | 0 |
+| 12 | 6363 | 0 | 44 | 0 |
+| 12 | 6363 | 0 | 45 | 0 |
+| 12 | 6363 | 0 | 46 | 0 |
+| 12 | 6363 | 0 | 47 | 4747 |
+| 12+ | 21845 | 1 | 40 | 0 |
+| 13 | 21845 | 1 | 40 | 21845 |
+| 13+ | 21845 | 1 | 41 | 0 |
+| 14 | 21845 | 1 | 41 | 21845 |
+| 14+ | 21845 | 1 | 42 | 0 |
+| 15 | 21845 | 1 | 42 | 21845 |
+| 15+ | 21845 | 1 | 43 | 0 |
+| 16 | 21845 | 1 | 43 | 21845 |
+| 16+ | 21845 | 1 | 44 | 0 |
+| 17 | 21845 | 1 | 44 | 21845 |
+| 17+ | 21845 | 1 | 45 | 0 |
+| 18 | 21845 | 1 | 45 | 21845 |
+| 18+ | 21845 | 1 | 46 | 0 |
+| 19 | 21845 | 1 | 46 | 21845 |
+| 19+ | 21845 | 1 | 47 | 4747 |
+| 20 | 21845 | 1 | 47 | 21845 |
+| 20+ | 21845 | 0 | 40 | 21845 |
+| 21 | 21845 | 0 | 40 | 21845 |
+| 21 | 21845 | 0 | 41 | 21845 |
+| 21 | 21845 | 0 | 42 | 21845 |
+| 21 | 21845 | 0 | 43 | 21845 |
+| 21 | 21845 | 0 | 44 | 21845 |
+| 21 | 21845 | 0 | 45 | 21845 |
+| 21 | 21845 | 0 | 46 | 21845 |
+| 21 | 21845 | 0 | 47 | 21845 |
+| 21+ | -21846 | 1 | 40 | 21845 |
+| 22 | -21846 | 1 | 40 | -21846 |
+| 22+ | -21846 | 0 | 40 | -21846 |
+| 23 | -21846 | 0 | 40 | -21846 |
+| 23 | -21846 | 0 | 41 | 21845 |
+| 23 | -21846 | 0 | 42 | 21845 |
+| 23 | -21846 | 0 | 43 | 21845 |
+| 23 | -21846 | 0 | 44 | 21845 |
+| 23 | -21846 | 0 | 45 | 21845 |
+| 23 | -21846 | 0 | 46 | 21845 |
+| 23 | -21846 | 0 | 47 | 21845 |
+| 23+ | 21845 | 1 | 40 | -21846 |
+| 24 | 21845 | 1 | 40 | 21845 |
+| 24+ | -21846 | 1 | 41 | 21845 |
+| 25 | -21846 | 1 | 41 | -21846 |
+| 25+ | -21846 | 0 | 40 | 21845 |
+| 26 | -21846 | 0 | 40 | 21845 |
+| 26 | -21846 | 0 | 41 | -21846 |
+| 26 | -21846 | 0 | 42 | 21845 |
+| 26 | -21846 | 0 | 43 | 21845 |
+| 26 | -21846 | 0 | 44 | 21845 |
+| 26 | -21846 | 0 | 45 | 21845 |
+| 26 | -21846 | 0 | 46 | 21845 |
+| 26 | -21846 | 0 | 47 | 21845 |
+| 26+ | 21845 | 1 | 41 | -21846 |
+| 27 | 21845 | 1 | 41 | 21845 |
+| 27+ | -21846 | 1 | 42 | 21845 |
+| 28 | -21846 | 1 | 42 | -21846 |
+| 28+ | -21846 | 0 | 40 | 21845 |
+| 29 | -21846 | 0 | 40 | 21845 |
+| 29 | -21846 | 0 | 41 | 21845 |
+| 29 | -21846 | 0 | 42 | -21846 |
+| 29 | -21846 | 0 | 43 | 21845 |
+| 29 | -21846 | 0 | 44 | 21845 |
+| 29 | -21846 | 0 | 45 | 21845 |
+| 29 | -21846 | 0 | 46 | 21845 |
+| 29 | -21846 | 0 | 47 | 21845 |
+| 29+ | 21845 | 1 | 42 | -21846 |
+| 30 | 21845 | 1 | 42 | 21845 |
+| 30+ | -21846 | 1 | 43 | 21845 |
+| 31 | -21846 | 1 | 43 | -21846 |
+| 31+ | -21846 | 0 | 40 | 21845 |
+| 32 | -21846 | 0 | 40 | 21845 |
+| 32 | -21846 | 0 | 41 | 21845 |
+| 32 | -21846 | 0 | 42 | 21845 |
+| 32 | -21846 | 0 | 43 | -21846 |
+| 32 | -21846 | 0 | 44 | 21845 |
+| 32 | -21846 | 0 | 45 | 21845 |
+| 32 | -21846 | 0 | 46 | 21845 |
+| 32 | -21846 | 0 | 47 | 21845 |
+| 32+ | 21845 | 1 | 43 | -21846 |
+| 33 | 21845 | 1 | 43 | 21845 |
+| 33+ | -21846 | 1 | 44 | 21845 |
+| 34 | -21846 | 1 | 44 | -21846 |
+| 34+ | -21846 | 0 | 40 | 21845 |
+| 35 | -21846 | 0 | 40 | 21845 |
+| 35 | -21846 | 0 | 41 | 21845 |
+| 35 | -21846 | 0 | 42 | 21845 |
+| 35 | -21846 | 0 | 43 | 21845 |
+| 35 | -21846 | 0 | 44 | -21846 |
+| 35 | -21846 | 0 | 45 | 21845 |
+| 35 | -21846 | 0 | 46 | 21845 |
+| 35 | -21846 | 0 | 47 | 21845 |
+| 35+ | 21845 | 1 | 44 | -21846 |
+| 36 | 21845 | 1 | 44 | 21845 |
+| 36+ | -21846 | 1 | 45 | 21845 |
+| 37 | -21846 | 1 | 45 | -21846 |
+| 37+ | -21846 | 0 | 40 | 21845 |
+| 38 | -21846 | 0 | 40 | 21845 |
+| 38 | -21846 | 0 | 41 | 21845 |
+| 38 | -21846 | 0 | 42 | 21845 |
+| 38 | -21846 | 0 | 43 | 21845 |
+| 38 | -21846 | 0 | 44 | 21845 |
+| 38 | -21846 | 0 | 45 | -21846 |
+| 38 | -21846 | 0 | 46 | 21845 |
+| 38 | -21846 | 0 | 47 | 21845 |
+| 38+ | 21845 | 1 | 45 | -21846 |
+| 39 | 21845 | 1 | 45 | 21845 |
+| 39+ | -21846 | 1 | 46 | 21845 |
+| 40 | -21846 | 1 | 46 | -21846 |
+| 40+ | -21846 | 0 | 40 | 21845 |
+| 41 | -21846 | 0 | 40 | 21845 |
+| 41 | -21846 | 0 | 41 | 21845 |
+| 41 | -21846 | 0 | 42 | 21845 |
+| 41 | -21846 | 0 | 43 | 21845 |
+| 41 | -21846 | 0 | 44 | 21845 |
+| 41 | -21846 | 0 | 45 | 21845 |
+| 41 | -21846 | 0 | 46 | -21846 |
+| 41 | -21846 | 0 | 47 | 21845 |
+| 41+ | 21845 | 1 | 46 | -21846 |
+| 42 | 21845 | 1 | 46 | 21845 |
+| 42+ | -21846 | 1 | 47 | 21845 |
+| 43 | -21846 | 1 | 47 | -21846 |
+| 43+ | -21846 | 0 | 40 | 21845 |
+| 44 | -21846 | 0 | 40 | 21845 |
+| 44 | -21846 | 0 | 41 | 21845 |
+| 44 | -21846 | 0 | 42 | 21845 |
+| 44 | -21846 | 0 | 43 | 21845 |
+| 44 | -21846 | 0 | 44 | 21845 |
+| 44 | -21846 | 0 | 45 | 21845 |
+| 44 | -21846 | 0 | 46 | 21845 |
+| 44 | -21846 | 0 | 47 | -21846 |
+| 44+ | 21845 | 1 | 47 | -21846 |
+| 45 | 21845 | 1 | 47 | 21845 |
+| 45+ | 21845 | 0 | 40 | 21845 |
+| 46 | 21845 | 0 | 40 | 21845 |
+| 46 | 21845 | 0 | 41 | 21845 |
+| 46 | 21845 | 0 | 42 | 21845 |
+| 46 | 21845 | 0 | 43 | 21845 |
+| 46 | 21845 | 0 | 44 | 21845 |
+| 46 | 21845 | 0 | 45 | 21845 |
+| 46 | 21845 | 0 | 46 | 21845 |
+| 46 | 21845 | 0 | 47 | 21845 |
+| 46+ | 21845 | 0 | 5 | 0 |
+| 47 | 21845 | 0 | 5 | 0 |
+| 47 | 21845 | 0 | 13 | 1313 |
+| 47 | 21845 | 0 | 21 | 0 |
+| 47 | 21845 | 0 | 29 | 0 |
+| 47 | 21845 | 0 | 37 | 0 |
+| 47 | 21845 | 0 | 45 | 21845 |
+| 47 | 21845 | 0 | 53 | 0 |
+| 47 | 21845 | 0 | 61 | 0 |
+| 47+ | 21845 | 1 | 5 | 0 |
+| 48 | 21845 | 1 | 5 | 21845 |
+| 48+ | 21845 | 1 | 13 | 1313 |
+| 49 | 21845 | 1 | 13 | 21845 |
+| 49+ | 21845 | 1 | 21 | 0 |
+| 50 | 21845 | 1 | 21 | 21845 |
+| 50+ | 21845 | 1 | 29 | 0 |
+| 51 | 21845 | 1 | 29 | 21845 |
+| 51+ | 21845 | 1 | 37 | 0 |
+| 52 | 21845 | 1 | 37 | 21845 |
+| 52+ | 21845 | 1 | 45 | 21845 |
+| 53 | 21845 | 1 | 45 | 21845 |
+| 53+ | 21845 | 1 | 53 | 0 |
+| 54 | 21845 | 1 | 53 | 21845 |
+| 54+ | 21845 | 1 | 61 | 0 |
+| 55 | 21845 | 1 | 61 | 21845 |
+| 55+ | 21845 | 0 | 5 | 21845 |
+| 56 | 21845 | 0 | 5 | 21845 |
+| 56 | 21845 | 0 | 13 | 21845 |
+| 56 | 21845 | 0 | 21 | 21845 |
+| 56 | 21845 | 0 | 29 | 21845 |
+| 56 | 21845 | 0 | 37 | 21845 |
+| 56 | 21845 | 0 | 45 | 21845 |
+| 56 | 21845 | 0 | 53 | 21845 |
+| 56 | 21845 | 0 | 61 | 21845 |
+| 56+ | -21846 | 1 | 5 | 21845 |
+| 57 | -21846 | 1 | 5 | -21846 |
+| 57+ | -21846 | 0 | 5 | -21846 |
+| 58 | -21846 | 0 | 5 | -21846 |
+| 58 | -21846 | 0 | 13 | 21845 |
+| 58 | -21846 | 0 | 21 | 21845 |
+| 58 | -21846 | 0 | 29 | 21845 |
+| 58 | -21846 | 0 | 37 | 21845 |
+| 58 | -21846 | 0 | 45 | 21845 |
+| 58 | -21846 | 0 | 53 | 21845 |
+| 58 | -21846 | 0 | 61 | 21845 |
+| 58+ | 21845 | 1 | 5 | -21846 |
+| 59 | 21845 | 1 | 5 | 21845 |
+| 59+ | -21846 | 1 | 13 | 21845 |
+| 60 | -21846 | 1 | 13 | -21846 |
+| 60+ | -21846 | 0 | 5 | 21845 |
+| 61 | -21846 | 0 | 5 | 21845 |
+| 61 | -21846 | 0 | 13 | -21846 |
+| 61 | -21846 | 0 | 21 | 21845 |
+| 61 | -21846 | 0 | 29 | 21845 |
+| 61 | -21846 | 0 | 37 | 21845 |
+| 61 | -21846 | 0 | 45 | 21845 |
+| 61 | -21846 | 0 | 53 | 21845 |
+| 61 | -21846 | 0 | 61 | 21845 |
+| 61+ | 21845 | 1 | 13 | -21846 |
+| 62 | 21845 | 1 | 13 | 21845 |
+| 62+ | -21846 | 1 | 21 | 21845 |
+| 63 | -21846 | 1 | 21 | -21846 |
+| 63+ | -21846 | 0 | 5 | 21845 |
+| 64 | -21846 | 0 | 5 | 21845 |
+| 64 | -21846 | 0 | 13 | 21845 |
+| 64 | -21846 | 0 | 21 | -21846 |
+| 64 | -21846 | 0 | 29 | 21845 |
+| 64 | -21846 | 0 | 37 | 21845 |
+| 64 | -21846 | 0 | 45 | 21845 |
+| 64 | -21846 | 0 | 53 | 21845 |
+| 64 | -21846 | 0 | 61 | 21845 |
+| 64+ | 21845 | 1 | 21 | -21846 |
+| 65 | 21845 | 1 | 21 | 21845 |
+| 65+ | -21846 | 1 | 29 | 21845 |
+| 66 | -21846 | 1 | 29 | -21846 |
+| 66+ | -21846 | 0 | 5 | 21845 |
+| 67 | -21846 | 0 | 5 | 21845 |
+| 67 | -21846 | 0 | 13 | 21845 |
+| 67 | -21846 | 0 | 21 | 21845 |
+| 67 | -21846 | 0 | 29 | -21846 |
+| 67 | -21846 | 0 | 37 | 21845 |
+| 67 | -21846 | 0 | 45 | 21845 |
+| 67 | -21846 | 0 | 53 | 21845 |
+| 67 | -21846 | 0 | 61 | 21845 |
+| 67+ | 21845 | 1 | 29 | -21846 |
+| 68 | 21845 | 1 | 29 | 21845 |
+| 68+ | -21846 | 1 | 37 | 21845 |
+| 69 | -21846 | 1 | 37 | -21846 |
+| 69+ | -21846 | 0 | 5 | 21845 |
+| 70 | -21846 | 0 | 5 | 21845 |
+| 70 | -21846 | 0 | 13 | 21845 |
+| 70 | -21846 | 0 | 21 | 21845 |
+| 70 | -21846 | 0 | 29 | 21845 |
+| 70 | -21846 | 0 | 37 | -21846 |
+| 70 | -21846 | 0 | 45 | 21845 |
+| 70 | -21846 | 0 | 53 | 21845 |
+| 70 | -21846 | 0 | 61 | 21845 |
+| 70+ | 21845 | 1 | 37 | -21846 |
+| 71 | 21845 | 1 | 37 | 21845 |
+| 71+ | -21846 | 1 | 45 | 21845 |
+| 72 | -21846 | 1 | 45 | -21846 |
+| 72+ | -21846 | 0 | 5 | 21845 |
+| 73 | -21846 | 0 | 5 | 21845 |
+| 73 | -21846 | 0 | 13 | 21845 |
+| 73 | -21846 | 0 | 21 | 21845 |
+| 73 | -21846 | 0 | 29 | 21845 |
+| 73 | -21846 | 0 | 37 | 21845 |
+| 73 | -21846 | 0 | 45 | -21846 |
+| 73 | -21846 | 0 | 53 | 21845 |
+| 73 | -21846 | 0 | 61 | 21845 |
+| 73+ | 21845 | 1 | 45 | -21846 |
+| 74 | 21845 | 1 | 45 | 21845 |
+| 74+ | -21846 | 1 | 53 | 21845 |
+| 75 | -21846 | 1 | 53 | -21846 |
+| 75+ | -21846 | 0 | 5 | 21845 |
+| 76 | -21846 | 0 | 5 | 21845 |
+| 76 | -21846 | 0 | 13 | 21845 |
+| 76 | -21846 | 0 | 21 | 21845 |
+| 76 | -21846 | 0 | 29 | 21845 |
+| 76 | -21846 | 0 | 37 | 21845 |
+| 76 | -21846 | 0 | 45 | 21845 |
+| 76 | -21846 | 0 | 53 | -21846 |
+| 76 | -21846 | 0 | 61 | 21845 |
+| 76+ | 21845 | 1 | 53 | -21846 |
+| 77 | 21845 | 1 | 53 | 21845 |
+| 77+ | -21846 | 1 | 61 | 21845 |
+| 78 | -21846 | 1 | 61 | -21846 |
+| 78+ | -21846 | 0 | 5 | 21845 |
+| 79 | -21846 | 0 | 5 | 21845 |
+| 79 | -21846 | 0 | 13 | 21845 |
+| 79 | -21846 | 0 | 21 | 21845 |
+| 79 | -21846 | 0 | 29 | 21845 |
+| 79 | -21846 | 0 | 37 | 21845 |
+| 79 | -21846 | 0 | 45 | 21845 |
+| 79 | -21846 | 0 | 53 | 21845 |
+| 79 | -21846 | 0 | 61 | -21846 |
+| 79+ | 21845 | 1 | 61 | -21846 |
+| 80 | 21845 | 1 | 61 | 21845 |
+| 80+ | 21845 | 0 | 5 | 21845 |
+| 81 | 21845 | 0 | 5 | 21845 |
+| 81 | 21845 | 0 | 13 | 21845 |
+| 81 | 21845 | 0 | 21 | 21845 |
+| 81 | 21845 | 0 | 29 | 21845 |
+| 81 | 21845 | 0 | 37 | 21845 |
+| 81 | 21845 | 0 | 45 | 21845 |
+| 81 | 21845 | 0 | 53 | 21845 |
+| 81 | 21845 | 0 | 61 | 21845 |
diff --git a/projects/03/a/RAM64.hdl b/projects/03/a/RAM64.hdl
new file mode 100644
index 0000000..e6f4094
--- /dev/null
+++ b/projects/03/a/RAM64.hdl
@@ -0,0 +1,28 @@
+// 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/03/a/RAM64.hdl
+
+/**
+ * Memory of 64 registers, each 16 bit-wide. Out holds the value
+ * stored at the memory location specified by address. If load==1, then
+ * the in value is loaded into the memory location specified by address
+ * (the loaded value will be emitted to out from the next time step onward).
+ */
+
+CHIP RAM64 {
+ IN in[16], load, address[6];
+ OUT out[16];
+
+ PARTS:
+ DMux8Way(in=load, sel=address[3..5], a=l0, b=l1, c=l2, d=l3, e=l4, f=l5, g=l6, h=l7);
+ RAM8(in=in, load=l0, address=address[0..2], out=o0);
+ RAM8(in=in, load=l1, address=address[0..2], out=o1);
+ RAM8(in=in, load=l2, address=address[0..2], out=o2);
+ RAM8(in=in, load=l3, address=address[0..2], out=o3);
+ RAM8(in=in, load=l4, address=address[0..2], out=o4);
+ RAM8(in=in, load=l5, address=address[0..2], out=o5);
+ RAM8(in=in, load=l6, address=address[0..2], out=o6);
+ RAM8(in=in, load=l7, address=address[0..2], out=o7);
+ Mux8Way16(a=o0, b=o1, c=o2, d=o3, e=o4, f=o5, g=o6, h=o7, sel=address[3..5], out=out);
+}
diff --git a/projects/03/a/RAM64.out b/projects/03/a/RAM64.out
new file mode 100644
index 0000000..554ce39
--- /dev/null
+++ b/projects/03/a/RAM64.out
@@ -0,0 +1,320 @@
+| time | in |load |address| out |
+| 0+ | 0 | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 | 0 |
+| 2 | 0 | 1 | 0 | 0 |
+| 2+ | 1313 | 0 | 0 | 0 |
+| 3 | 1313 | 0 | 0 | 0 |
+| 3+ | 1313 | 1 | 13 | 0 |
+| 4 | 1313 | 1 | 13 | 1313 |
+| 4+ | 1313 | 0 | 0 | 0 |
+| 5 | 1313 | 0 | 0 | 0 |
+| 5+ | 4747 | 0 | 47 | 0 |
+| 6 | 4747 | 0 | 47 | 0 |
+| 6+ | 4747 | 1 | 47 | 0 |
+| 7 | 4747 | 1 | 47 | 4747 |
+| 7+ | 4747 | 0 | 47 | 4747 |
+| 8 | 4747 | 0 | 47 | 4747 |
+| 8 | 4747 | 0 | 13 | 1313 |
+| 8+ | 6363 | 0 | 13 | 1313 |
+| 9 | 6363 | 0 | 13 | 1313 |
+| 9+ | 6363 | 1 | 63 | 0 |
+| 10 | 6363 | 1 | 63 | 6363 |
+| 10+ | 6363 | 0 | 63 | 6363 |
+| 11 | 6363 | 0 | 63 | 6363 |
+| 11 | 6363 | 0 | 47 | 4747 |
+| 11 | 6363 | 0 | 63 | 6363 |
+| 11+ | 6363 | 0 | 40 | 0 |
+| 12 | 6363 | 0 | 40 | 0 |
+| 12 | 6363 | 0 | 41 | 0 |
+| 12 | 6363 | 0 | 42 | 0 |
+| 12 | 6363 | 0 | 43 | 0 |
+| 12 | 6363 | 0 | 44 | 0 |
+| 12 | 6363 | 0 | 45 | 0 |
+| 12 | 6363 | 0 | 46 | 0 |
+| 12 | 6363 | 0 | 47 | 4747 |
+| 12+ | 21845 | 1 | 40 | 0 |
+| 13 | 21845 | 1 | 40 | 21845 |
+| 13+ | 21845 | 1 | 41 | 0 |
+| 14 | 21845 | 1 | 41 | 21845 |
+| 14+ | 21845 | 1 | 42 | 0 |
+| 15 | 21845 | 1 | 42 | 21845 |
+| 15+ | 21845 | 1 | 43 | 0 |
+| 16 | 21845 | 1 | 43 | 21845 |
+| 16+ | 21845 | 1 | 44 | 0 |
+| 17 | 21845 | 1 | 44 | 21845 |
+| 17+ | 21845 | 1 | 45 | 0 |
+| 18 | 21845 | 1 | 45 | 21845 |
+| 18+ | 21845 | 1 | 46 | 0 |
+| 19 | 21845 | 1 | 46 | 21845 |
+| 19+ | 21845 | 1 | 47 | 4747 |
+| 20 | 21845 | 1 | 47 | 21845 |
+| 20+ | 21845 | 0 | 40 | 21845 |
+| 21 | 21845 | 0 | 40 | 21845 |
+| 21 | 21845 | 0 | 41 | 21845 |
+| 21 | 21845 | 0 | 42 | 21845 |
+| 21 | 21845 | 0 | 43 | 21845 |
+| 21 | 21845 | 0 | 44 | 21845 |
+| 21 | 21845 | 0 | 45 | 21845 |
+| 21 | 21845 | 0 | 46 | 21845 |
+| 21 | 21845 | 0 | 47 | 21845 |
+| 21+ | -21846 | 1 | 40 | 21845 |
+| 22 | -21846 | 1 | 40 | -21846 |
+| 22+ | -21846 | 0 | 40 | -21846 |
+| 23 | -21846 | 0 | 40 | -21846 |
+| 23 | -21846 | 0 | 41 | 21845 |
+| 23 | -21846 | 0 | 42 | 21845 |
+| 23 | -21846 | 0 | 43 | 21845 |
+| 23 | -21846 | 0 | 44 | 21845 |
+| 23 | -21846 | 0 | 45 | 21845 |
+| 23 | -21846 | 0 | 46 | 21845 |
+| 23 | -21846 | 0 | 47 | 21845 |
+| 23+ | 21845 | 1 | 40 | -21846 |
+| 24 | 21845 | 1 | 40 | 21845 |
+| 24+ | -21846 | 1 | 41 | 21845 |
+| 25 | -21846 | 1 | 41 | -21846 |
+| 25+ | -21846 | 0 | 40 | 21845 |
+| 26 | -21846 | 0 | 40 | 21845 |
+| 26 | -21846 | 0 | 41 | -21846 |
+| 26 | -21846 | 0 | 42 | 21845 |
+| 26 | -21846 | 0 | 43 | 21845 |
+| 26 | -21846 | 0 | 44 | 21845 |
+| 26 | -21846 | 0 | 45 | 21845 |
+| 26 | -21846 | 0 | 46 | 21845 |
+| 26 | -21846 | 0 | 47 | 21845 |
+| 26+ | 21845 | 1 | 41 | -21846 |
+| 27 | 21845 | 1 | 41 | 21845 |
+| 27+ | -21846 | 1 | 42 | 21845 |
+| 28 | -21846 | 1 | 42 | -21846 |
+| 28+ | -21846 | 0 | 40 | 21845 |
+| 29 | -21846 | 0 | 40 | 21845 |
+| 29 | -21846 | 0 | 41 | 21845 |
+| 29 | -21846 | 0 | 42 | -21846 |
+| 29 | -21846 | 0 | 43 | 21845 |
+| 29 | -21846 | 0 | 44 | 21845 |
+| 29 | -21846 | 0 | 45 | 21845 |
+| 29 | -21846 | 0 | 46 | 21845 |
+| 29 | -21846 | 0 | 47 | 21845 |
+| 29+ | 21845 | 1 | 42 | -21846 |
+| 30 | 21845 | 1 | 42 | 21845 |
+| 30+ | -21846 | 1 | 43 | 21845 |
+| 31 | -21846 | 1 | 43 | -21846 |
+| 31+ | -21846 | 0 | 40 | 21845 |
+| 32 | -21846 | 0 | 40 | 21845 |
+| 32 | -21846 | 0 | 41 | 21845 |
+| 32 | -21846 | 0 | 42 | 21845 |
+| 32 | -21846 | 0 | 43 | -21846 |
+| 32 | -21846 | 0 | 44 | 21845 |
+| 32 | -21846 | 0 | 45 | 21845 |
+| 32 | -21846 | 0 | 46 | 21845 |
+| 32 | -21846 | 0 | 47 | 21845 |
+| 32+ | 21845 | 1 | 43 | -21846 |
+| 33 | 21845 | 1 | 43 | 21845 |
+| 33+ | -21846 | 1 | 44 | 21845 |
+| 34 | -21846 | 1 | 44 | -21846 |
+| 34+ | -21846 | 0 | 40 | 21845 |
+| 35 | -21846 | 0 | 40 | 21845 |
+| 35 | -21846 | 0 | 41 | 21845 |
+| 35 | -21846 | 0 | 42 | 21845 |
+| 35 | -21846 | 0 | 43 | 21845 |
+| 35 | -21846 | 0 | 44 | -21846 |
+| 35 | -21846 | 0 | 45 | 21845 |
+| 35 | -21846 | 0 | 46 | 21845 |
+| 35 | -21846 | 0 | 47 | 21845 |
+| 35+ | 21845 | 1 | 44 | -21846 |
+| 36 | 21845 | 1 | 44 | 21845 |
+| 36+ | -21846 | 1 | 45 | 21845 |
+| 37 | -21846 | 1 | 45 | -21846 |
+| 37+ | -21846 | 0 | 40 | 21845 |
+| 38 | -21846 | 0 | 40 | 21845 |
+| 38 | -21846 | 0 | 41 | 21845 |
+| 38 | -21846 | 0 | 42 | 21845 |
+| 38 | -21846 | 0 | 43 | 21845 |
+| 38 | -21846 | 0 | 44 | 21845 |
+| 38 | -21846 | 0 | 45 | -21846 |
+| 38 | -21846 | 0 | 46 | 21845 |
+| 38 | -21846 | 0 | 47 | 21845 |
+| 38+ | 21845 | 1 | 45 | -21846 |
+| 39 | 21845 | 1 | 45 | 21845 |
+| 39+ | -21846 | 1 | 46 | 21845 |
+| 40 | -21846 | 1 | 46 | -21846 |
+| 40+ | -21846 | 0 | 40 | 21845 |
+| 41 | -21846 | 0 | 40 | 21845 |
+| 41 | -21846 | 0 | 41 | 21845 |
+| 41 | -21846 | 0 | 42 | 21845 |
+| 41 | -21846 | 0 | 43 | 21845 |
+| 41 | -21846 | 0 | 44 | 21845 |
+| 41 | -21846 | 0 | 45 | 21845 |
+| 41 | -21846 | 0 | 46 | -21846 |
+| 41 | -21846 | 0 | 47 | 21845 |
+| 41+ | 21845 | 1 | 46 | -21846 |
+| 42 | 21845 | 1 | 46 | 21845 |
+| 42+ | -21846 | 1 | 47 | 21845 |
+| 43 | -21846 | 1 | 47 | -21846 |
+| 43+ | -21846 | 0 | 40 | 21845 |
+| 44 | -21846 | 0 | 40 | 21845 |
+| 44 | -21846 | 0 | 41 | 21845 |
+| 44 | -21846 | 0 | 42 | 21845 |
+| 44 | -21846 | 0 | 43 | 21845 |
+| 44 | -21846 | 0 | 44 | 21845 |
+| 44 | -21846 | 0 | 45 | 21845 |
+| 44 | -21846 | 0 | 46 | 21845 |
+| 44 | -21846 | 0 | 47 | -21846 |
+| 44+ | 21845 | 1 | 47 | -21846 |
+| 45 | 21845 | 1 | 47 | 21845 |
+| 45+ | 21845 | 0 | 40 | 21845 |
+| 46 | 21845 | 0 | 40 | 21845 |
+| 46 | 21845 | 0 | 41 | 21845 |
+| 46 | 21845 | 0 | 42 | 21845 |
+| 46 | 21845 | 0 | 43 | 21845 |
+| 46 | 21845 | 0 | 44 | 21845 |
+| 46 | 21845 | 0 | 45 | 21845 |
+| 46 | 21845 | 0 | 46 | 21845 |
+| 46 | 21845 | 0 | 47 | 21845 |
+| 46+ | 21845 | 0 | 5 | 0 |
+| 47 | 21845 | 0 | 5 | 0 |
+| 47 | 21845 | 0 | 13 | 1313 |
+| 47 | 21845 | 0 | 21 | 0 |
+| 47 | 21845 | 0 | 29 | 0 |
+| 47 | 21845 | 0 | 37 | 0 |
+| 47 | 21845 | 0 | 45 | 21845 |
+| 47 | 21845 | 0 | 53 | 0 |
+| 47 | 21845 | 0 | 61 | 0 |
+| 47+ | 21845 | 1 | 5 | 0 |
+| 48 | 21845 | 1 | 5 | 21845 |
+| 48+ | 21845 | 1 | 13 | 1313 |
+| 49 | 21845 | 1 | 13 | 21845 |
+| 49+ | 21845 | 1 | 21 | 0 |
+| 50 | 21845 | 1 | 21 | 21845 |
+| 50+ | 21845 | 1 | 29 | 0 |
+| 51 | 21845 | 1 | 29 | 21845 |
+| 51+ | 21845 | 1 | 37 | 0 |
+| 52 | 21845 | 1 | 37 | 21845 |
+| 52+ | 21845 | 1 | 45 | 21845 |
+| 53 | 21845 | 1 | 45 | 21845 |
+| 53+ | 21845 | 1 | 53 | 0 |
+| 54 | 21845 | 1 | 53 | 21845 |
+| 54+ | 21845 | 1 | 61 | 0 |
+| 55 | 21845 | 1 | 61 | 21845 |
+| 55+ | 21845 | 0 | 5 | 21845 |
+| 56 | 21845 | 0 | 5 | 21845 |
+| 56 | 21845 | 0 | 13 | 21845 |
+| 56 | 21845 | 0 | 21 | 21845 |
+| 56 | 21845 | 0 | 29 | 21845 |
+| 56 | 21845 | 0 | 37 | 21845 |
+| 56 | 21845 | 0 | 45 | 21845 |
+| 56 | 21845 | 0 | 53 | 21845 |
+| 56 | 21845 | 0 | 61 | 21845 |
+| 56+ | -21846 | 1 | 5 | 21845 |
+| 57 | -21846 | 1 | 5 | -21846 |
+| 57+ | -21846 | 0 | 5 | -21846 |
+| 58 | -21846 | 0 | 5 | -21846 |
+| 58 | -21846 | 0 | 13 | 21845 |
+| 58 | -21846 | 0 | 21 | 21845 |
+| 58 | -21846 | 0 | 29 | 21845 |
+| 58 | -21846 | 0 | 37 | 21845 |
+| 58 | -21846 | 0 | 45 | 21845 |
+| 58 | -21846 | 0 | 53 | 21845 |
+| 58 | -21846 | 0 | 61 | 21845 |
+| 58+ | 21845 | 1 | 5 | -21846 |
+| 59 | 21845 | 1 | 5 | 21845 |
+| 59+ | -21846 | 1 | 13 | 21845 |
+| 60 | -21846 | 1 | 13 | -21846 |
+| 60+ | -21846 | 0 | 5 | 21845 |
+| 61 | -21846 | 0 | 5 | 21845 |
+| 61 | -21846 | 0 | 13 | -21846 |
+| 61 | -21846 | 0 | 21 | 21845 |
+| 61 | -21846 | 0 | 29 | 21845 |
+| 61 | -21846 | 0 | 37 | 21845 |
+| 61 | -21846 | 0 | 45 | 21845 |
+| 61 | -21846 | 0 | 53 | 21845 |
+| 61 | -21846 | 0 | 61 | 21845 |
+| 61+ | 21845 | 1 | 13 | -21846 |
+| 62 | 21845 | 1 | 13 | 21845 |
+| 62+ | -21846 | 1 | 21 | 21845 |
+| 63 | -21846 | 1 | 21 | -21846 |
+| 63+ | -21846 | 0 | 5 | 21845 |
+| 64 | -21846 | 0 | 5 | 21845 |
+| 64 | -21846 | 0 | 13 | 21845 |
+| 64 | -21846 | 0 | 21 | -21846 |
+| 64 | -21846 | 0 | 29 | 21845 |
+| 64 | -21846 | 0 | 37 | 21845 |
+| 64 | -21846 | 0 | 45 | 21845 |
+| 64 | -21846 | 0 | 53 | 21845 |
+| 64 | -21846 | 0 | 61 | 21845 |
+| 64+ | 21845 | 1 | 21 | -21846 |
+| 65 | 21845 | 1 | 21 | 21845 |
+| 65+ | -21846 | 1 | 29 | 21845 |
+| 66 | -21846 | 1 | 29 | -21846 |
+| 66+ | -21846 | 0 | 5 | 21845 |
+| 67 | -21846 | 0 | 5 | 21845 |
+| 67 | -21846 | 0 | 13 | 21845 |
+| 67 | -21846 | 0 | 21 | 21845 |
+| 67 | -21846 | 0 | 29 | -21846 |
+| 67 | -21846 | 0 | 37 | 21845 |
+| 67 | -21846 | 0 | 45 | 21845 |
+| 67 | -21846 | 0 | 53 | 21845 |
+| 67 | -21846 | 0 | 61 | 21845 |
+| 67+ | 21845 | 1 | 29 | -21846 |
+| 68 | 21845 | 1 | 29 | 21845 |
+| 68+ | -21846 | 1 | 37 | 21845 |
+| 69 | -21846 | 1 | 37 | -21846 |
+| 69+ | -21846 | 0 | 5 | 21845 |
+| 70 | -21846 | 0 | 5 | 21845 |
+| 70 | -21846 | 0 | 13 | 21845 |
+| 70 | -21846 | 0 | 21 | 21845 |
+| 70 | -21846 | 0 | 29 | 21845 |
+| 70 | -21846 | 0 | 37 | -21846 |
+| 70 | -21846 | 0 | 45 | 21845 |
+| 70 | -21846 | 0 | 53 | 21845 |
+| 70 | -21846 | 0 | 61 | 21845 |
+| 70+ | 21845 | 1 | 37 | -21846 |
+| 71 | 21845 | 1 | 37 | 21845 |
+| 71+ | -21846 | 1 | 45 | 21845 |
+| 72 | -21846 | 1 | 45 | -21846 |
+| 72+ | -21846 | 0 | 5 | 21845 |
+| 73 | -21846 | 0 | 5 | 21845 |
+| 73 | -21846 | 0 | 13 | 21845 |
+| 73 | -21846 | 0 | 21 | 21845 |
+| 73 | -21846 | 0 | 29 | 21845 |
+| 73 | -21846 | 0 | 37 | 21845 |
+| 73 | -21846 | 0 | 45 | -21846 |
+| 73 | -21846 | 0 | 53 | 21845 |
+| 73 | -21846 | 0 | 61 | 21845 |
+| 73+ | 21845 | 1 | 45 | -21846 |
+| 74 | 21845 | 1 | 45 | 21845 |
+| 74+ | -21846 | 1 | 53 | 21845 |
+| 75 | -21846 | 1 | 53 | -21846 |
+| 75+ | -21846 | 0 | 5 | 21845 |
+| 76 | -21846 | 0 | 5 | 21845 |
+| 76 | -21846 | 0 | 13 | 21845 |
+| 76 | -21846 | 0 | 21 | 21845 |
+| 76 | -21846 | 0 | 29 | 21845 |
+| 76 | -21846 | 0 | 37 | 21845 |
+| 76 | -21846 | 0 | 45 | 21845 |
+| 76 | -21846 | 0 | 53 | -21846 |
+| 76 | -21846 | 0 | 61 | 21845 |
+| 76+ | 21845 | 1 | 53 | -21846 |
+| 77 | 21845 | 1 | 53 | 21845 |
+| 77+ | -21846 | 1 | 61 | 21845 |
+| 78 | -21846 | 1 | 61 | -21846 |
+| 78+ | -21846 | 0 | 5 | 21845 |
+| 79 | -21846 | 0 | 5 | 21845 |
+| 79 | -21846 | 0 | 13 | 21845 |
+| 79 | -21846 | 0 | 21 | 21845 |
+| 79 | -21846 | 0 | 29 | 21845 |
+| 79 | -21846 | 0 | 37 | 21845 |
+| 79 | -21846 | 0 | 45 | 21845 |
+| 79 | -21846 | 0 | 53 | 21845 |
+| 79 | -21846 | 0 | 61 | -21846 |
+| 79+ | 21845 | 1 | 61 | -21846 |
+| 80 | 21845 | 1 | 61 | 21845 |
+| 80+ | 21845 | 0 | 5 | 21845 |
+| 81 | 21845 | 0 | 5 | 21845 |
+| 81 | 21845 | 0 | 13 | 21845 |
+| 81 | 21845 | 0 | 21 | 21845 |
+| 81 | 21845 | 0 | 29 | 21845 |
+| 81 | 21845 | 0 | 37 | 21845 |
+| 81 | 21845 | 0 | 45 | 21845 |
+| 81 | 21845 | 0 | 53 | 21845 |
+| 81 | 21845 | 0 | 61 | 21845 |
diff --git a/projects/03/a/RAM64.tst b/projects/03/a/RAM64.tst
new file mode 100644
index 0000000..e1a1409
--- /dev/null
+++ b/projects/03/a/RAM64.tst
@@ -0,0 +1,1026 @@
+// 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/03/a/RAM64.tst
+
+load RAM64.hdl,
+output-file RAM64.out,
+compare-to RAM64.cmp,
+output-list time%S1.4.1 in%D1.6.1 load%B2.1.2 address%D2.3.2 out%D1.6.1;
+
+set in 0,
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+tick,
+output;
+tock,
+output;
+
+set in 1313,
+set load 0,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+set address 13,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+
+set in 4747,
+set address 47,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+tick,
+output;
+tock,
+output;
+
+set address 13,
+eval,
+output;
+
+set in 6363,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+set address 63,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+tick,
+output;
+tock,
+output;
+
+set address 47,
+eval,
+output;
+
+set address 63,
+eval,
+output;
+
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set in %B0101010101010101,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+tick,
+output,
+tock,
+output;
+set address %B101010,
+tick,
+output,
+tock,
+output;
+set address %B101011,
+tick,
+output,
+tock,
+output;
+set address %B101100,
+tick,
+output,
+tock,
+output;
+set address %B101101,
+tick,
+output,
+tock,
+output;
+set address %B101110,
+tick,
+output,
+tock,
+output;
+set address %B101111,
+tick,
+output,
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101000,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101000,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101001,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101001,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101010,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101010,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101011,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101011,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101100,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101100,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101110,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101110,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101111,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+set load 1,
+set address %B101111,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+
+set load 0,
+set address %B101000,
+tick,
+output;
+tock,
+output;
+set address %B101001,
+eval,
+output;
+set address %B101010,
+eval,
+output;
+set address %B101011,
+eval,
+output;
+set address %B101100,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B101110,
+eval,
+output;
+set address %B101111,
+eval,
+output;
+
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set in %B0101010101010101,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+tick,
+output,
+tock,
+output;
+set address %B010101,
+tick,
+output,
+tock,
+output;
+set address %B011101,
+tick,
+output,
+tock,
+output;
+set address %B100101,
+tick,
+output,
+tock,
+output;
+set address %B101101,
+tick,
+output,
+tock,
+output;
+set address %B110101,
+tick,
+output,
+tock,
+output;
+set address %B111101,
+tick,
+output,
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B000101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B000101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B001101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B001101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B010101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B010101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B011101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B011101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B100101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B100101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B101101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B101101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B110101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B110101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address %B111101,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
+
+set load 1,
+set address %B111101,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+
+set load 0,
+set address %B000101,
+tick,
+output;
+tock,
+output;
+set address %B001101,
+eval,
+output;
+set address %B010101,
+eval,
+output;
+set address %B011101,
+eval,
+output;
+set address %B100101,
+eval,
+output;
+set address %B101101,
+eval,
+output;
+set address %B110101,
+eval,
+output;
+set address %B111101,
+eval,
+output;
diff --git a/projects/03/a/RAM8.cmp b/projects/03/a/RAM8.cmp
new file mode 100644
index 0000000..536c6ef
--- /dev/null
+++ b/projects/03/a/RAM8.cmp
@@ -0,0 +1,173 @@
+| time | in |load |address| out |
+| 0+ | 0 | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 | 0 |
+| 2 | 0 | 1 | 0 | 0 |
+| 2+ | 11111 | 0 | 0 | 0 |
+| 3 | 11111 | 0 | 0 | 0 |
+| 3+ | 11111 | 1 | 1 | 0 |
+| 4 | 11111 | 1 | 1 | 11111 |
+| 4+ | 11111 | 0 | 0 | 0 |
+| 5 | 11111 | 0 | 0 | 0 |
+| 5+ | 3333 | 0 | 3 | 0 |
+| 6 | 3333 | 0 | 3 | 0 |
+| 6+ | 3333 | 1 | 3 | 0 |
+| 7 | 3333 | 1 | 3 | 3333 |
+| 7+ | 3333 | 0 | 3 | 3333 |
+| 8 | 3333 | 0 | 3 | 3333 |
+| 8 | 3333 | 0 | 1 | 11111 |
+| 8+ | 7777 | 0 | 1 | 11111 |
+| 9 | 7777 | 0 | 1 | 11111 |
+| 9+ | 7777 | 1 | 7 | 0 |
+| 10 | 7777 | 1 | 7 | 7777 |
+| 10+ | 7777 | 0 | 7 | 7777 |
+| 11 | 7777 | 0 | 7 | 7777 |
+| 11 | 7777 | 0 | 3 | 3333 |
+| 11 | 7777 | 0 | 7 | 7777 |
+| 11+ | 7777 | 0 | 0 | 0 |
+| 12 | 7777 | 0 | 0 | 0 |
+| 12 | 7777 | 0 | 1 | 11111 |
+| 12 | 7777 | 0 | 2 | 0 |
+| 12 | 7777 | 0 | 3 | 3333 |
+| 12 | 7777 | 0 | 4 | 0 |
+| 12 | 7777 | 0 | 5 | 0 |
+| 12 | 7777 | 0 | 6 | 0 |
+| 12 | 7777 | 0 | 7 | 7777 |
+| 12+ | 21845 | 1 | 0 | 0 |
+| 13 | 21845 | 1 | 0 | 21845 |
+| 13+ | 21845 | 1 | 1 | 11111 |
+| 14 | 21845 | 1 | 1 | 21845 |
+| 14+ | 21845 | 1 | 2 | 0 |
+| 15 | 21845 | 1 | 2 | 21845 |
+| 15+ | 21845 | 1 | 3 | 3333 |
+| 16 | 21845 | 1 | 3 | 21845 |
+| 16+ | 21845 | 1 | 4 | 0 |
+| 17 | 21845 | 1 | 4 | 21845 |
+| 17+ | 21845 | 1 | 5 | 0 |
+| 18 | 21845 | 1 | 5 | 21845 |
+| 18+ | 21845 | 1 | 6 | 0 |
+| 19 | 21845 | 1 | 6 | 21845 |
+| 19+ | 21845 | 1 | 7 | 7777 |
+| 20 | 21845 | 1 | 7 | 21845 |
+| 20+ | 21845 | 0 | 0 | 21845 |
+| 21 | 21845 | 0 | 0 | 21845 |
+| 21 | 21845 | 0 | 1 | 21845 |
+| 21 | 21845 | 0 | 2 | 21845 |
+| 21 | 21845 | 0 | 3 | 21845 |
+| 21 | 21845 | 0 | 4 | 21845 |
+| 21 | 21845 | 0 | 5 | 21845 |
+| 21 | 21845 | 0 | 6 | 21845 |
+| 21 | 21845 | 0 | 7 | 21845 |
+| 21+ | -21846 | 1 | 0 | 21845 |
+| 22 | -21846 | 1 | 0 | -21846 |
+| 22+ | -21846 | 0 | 0 | -21846 |
+| 23 | -21846 | 0 | 0 | -21846 |
+| 23 | -21846 | 0 | 1 | 21845 |
+| 23 | -21846 | 0 | 2 | 21845 |
+| 23 | -21846 | 0 | 3 | 21845 |
+| 23 | -21846 | 0 | 4 | 21845 |
+| 23 | -21846 | 0 | 5 | 21845 |
+| 23 | -21846 | 0 | 6 | 21845 |
+| 23 | -21846 | 0 | 7 | 21845 |
+| 23+ | 21845 | 1 | 0 | -21846 |
+| 24 | 21845 | 1 | 0 | 21845 |
+| 24+ | -21846 | 1 | 1 | 21845 |
+| 25 | -21846 | 1 | 1 | -21846 |
+| 25+ | -21846 | 0 | 0 | 21845 |
+| 26 | -21846 | 0 | 0 | 21845 |
+| 26 | -21846 | 0 | 1 | -21846 |
+| 26 | -21846 | 0 | 2 | 21845 |
+| 26 | -21846 | 0 | 3 | 21845 |
+| 26 | -21846 | 0 | 4 | 21845 |
+| 26 | -21846 | 0 | 5 | 21845 |
+| 26 | -21846 | 0 | 6 | 21845 |
+| 26 | -21846 | 0 | 7 | 21845 |
+| 26+ | 21845 | 1 | 1 | -21846 |
+| 27 | 21845 | 1 | 1 | 21845 |
+| 27+ | -21846 | 1 | 2 | 21845 |
+| 28 | -21846 | 1 | 2 | -21846 |
+| 28+ | -21846 | 0 | 0 | 21845 |
+| 29 | -21846 | 0 | 0 | 21845 |
+| 29 | -21846 | 0 | 1 | 21845 |
+| 29 | -21846 | 0 | 2 | -21846 |
+| 29 | -21846 | 0 | 3 | 21845 |
+| 29 | -21846 | 0 | 4 | 21845 |
+| 29 | -21846 | 0 | 5 | 21845 |
+| 29 | -21846 | 0 | 6 | 21845 |
+| 29 | -21846 | 0 | 7 | 21845 |
+| 29+ | 21845 | 1 | 2 | -21846 |
+| 30 | 21845 | 1 | 2 | 21845 |
+| 30+ | -21846 | 1 | 3 | 21845 |
+| 31 | -21846 | 1 | 3 | -21846 |
+| 31+ | -21846 | 0 | 0 | 21845 |
+| 32 | -21846 | 0 | 0 | 21845 |
+| 32 | -21846 | 0 | 1 | 21845 |
+| 32 | -21846 | 0 | 2 | 21845 |
+| 32 | -21846 | 0 | 3 | -21846 |
+| 32 | -21846 | 0 | 4 | 21845 |
+| 32 | -21846 | 0 | 5 | 21845 |
+| 32 | -21846 | 0 | 6 | 21845 |
+| 32 | -21846 | 0 | 7 | 21845 |
+| 32+ | 21845 | 1 | 3 | -21846 |
+| 33 | 21845 | 1 | 3 | 21845 |
+| 33+ | -21846 | 1 | 4 | 21845 |
+| 34 | -21846 | 1 | 4 | -21846 |
+| 34+ | -21846 | 0 | 0 | 21845 |
+| 35 | -21846 | 0 | 0 | 21845 |
+| 35 | -21846 | 0 | 1 | 21845 |
+| 35 | -21846 | 0 | 2 | 21845 |
+| 35 | -21846 | 0 | 3 | 21845 |
+| 35 | -21846 | 0 | 4 | -21846 |
+| 35 | -21846 | 0 | 5 | 21845 |
+| 35 | -21846 | 0 | 6 | 21845 |
+| 35 | -21846 | 0 | 7 | 21845 |
+| 35+ | 21845 | 1 | 4 | -21846 |
+| 36 | 21845 | 1 | 4 | 21845 |
+| 36+ | -21846 | 1 | 5 | 21845 |
+| 37 | -21846 | 1 | 5 | -21846 |
+| 37+ | -21846 | 0 | 0 | 21845 |
+| 38 | -21846 | 0 | 0 | 21845 |
+| 38 | -21846 | 0 | 1 | 21845 |
+| 38 | -21846 | 0 | 2 | 21845 |
+| 38 | -21846 | 0 | 3 | 21845 |
+| 38 | -21846 | 0 | 4 | 21845 |
+| 38 | -21846 | 0 | 5 | -21846 |
+| 38 | -21846 | 0 | 6 | 21845 |
+| 38 | -21846 | 0 | 7 | 21845 |
+| 38+ | 21845 | 1 | 5 | -21846 |
+| 39 | 21845 | 1 | 5 | 21845 |
+| 39+ | -21846 | 1 | 6 | 21845 |
+| 40 | -21846 | 1 | 6 | -21846 |
+| 40+ | -21846 | 0 | 0 | 21845 |
+| 41 | -21846 | 0 | 0 | 21845 |
+| 41 | -21846 | 0 | 1 | 21845 |
+| 41 | -21846 | 0 | 2 | 21845 |
+| 41 | -21846 | 0 | 3 | 21845 |
+| 41 | -21846 | 0 | 4 | 21845 |
+| 41 | -21846 | 0 | 5 | 21845 |
+| 41 | -21846 | 0 | 6 | -21846 |
+| 41 | -21846 | 0 | 7 | 21845 |
+| 41+ | 21845 | 1 | 6 | -21846 |
+| 42 | 21845 | 1 | 6 | 21845 |
+| 42+ | -21846 | 1 | 7 | 21845 |
+| 43 | -21846 | 1 | 7 | -21846 |
+| 43+ | -21846 | 0 | 0 | 21845 |
+| 44 | -21846 | 0 | 0 | 21845 |
+| 44 | -21846 | 0 | 1 | 21845 |
+| 44 | -21846 | 0 | 2 | 21845 |
+| 44 | -21846 | 0 | 3 | 21845 |
+| 44 | -21846 | 0 | 4 | 21845 |
+| 44 | -21846 | 0 | 5 | 21845 |
+| 44 | -21846 | 0 | 6 | 21845 |
+| 44 | -21846 | 0 | 7 | -21846 |
+| 44+ | 21845 | 1 | 7 | -21846 |
+| 45 | 21845 | 1 | 7 | 21845 |
+| 45+ | 21845 | 0 | 0 | 21845 |
+| 46 | 21845 | 0 | 0 | 21845 |
+| 46 | 21845 | 0 | 1 | 21845 |
+| 46 | 21845 | 0 | 2 | 21845 |
+| 46 | 21845 | 0 | 3 | 21845 |
+| 46 | 21845 | 0 | 4 | 21845 |
+| 46 | 21845 | 0 | 5 | 21845 |
+| 46 | 21845 | 0 | 6 | 21845 |
+| 46 | 21845 | 0 | 7 | 21845 |
diff --git a/projects/03/a/RAM8.hdl b/projects/03/a/RAM8.hdl
new file mode 100644
index 0000000..3961031
--- /dev/null
+++ b/projects/03/a/RAM8.hdl
@@ -0,0 +1,28 @@
+// 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/03/a/RAM8.hdl
+
+/**
+ * Memory of 8 registers, each 16 bit-wide. Out holds the value
+ * stored at the memory location specified by address. If load==1, then
+ * the in value is loaded into the memory location specified by address
+ * (the loaded value will be emitted to out from the next time step onward).
+ */
+
+CHIP RAM8 {
+ IN in[16], load, address[3];
+ OUT out[16];
+
+ PARTS:
+ DMux8Way(in=load, sel=address, a=l0, b=l1, c=l2, d=l3, e=l4, f=l5, g=l6, h=l7);
+ Register(in=in, load=l0, out=o0);
+ Register(in=in, load=l1, out=o1);
+ Register(in=in, load=l2, out=o2);
+ Register(in=in, load=l3, out=o3);
+ Register(in=in, load=l4, out=o4);
+ Register(in=in, load=l5, out=o5);
+ Register(in=in, load=l6, out=o6);
+ Register(in=in, load=l7, out=o7);
+ Mux8Way16(a=o0, b=o1, c=o2, d=o3, e=o4, f=o5, g=o6, h=o7, sel=address, out=out);
+}
diff --git a/projects/03/a/RAM8.out b/projects/03/a/RAM8.out
new file mode 100644
index 0000000..68df551
--- /dev/null
+++ b/projects/03/a/RAM8.out
@@ -0,0 +1,173 @@
+| time | in |load |address| out |
+| 0+ | 0 | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 | 0 |
+| 2 | 0 | 1 | 0 | 0 |
+| 2+ | 11111 | 0 | 0 | 0 |
+| 3 | 11111 | 0 | 0 | 0 |
+| 3+ | 11111 | 1 | 1 | 0 |
+| 4 | 11111 | 1 | 1 | 11111 |
+| 4+ | 11111 | 0 | 0 | 0 |
+| 5 | 11111 | 0 | 0 | 0 |
+| 5+ | 3333 | 0 | 3 | 0 |
+| 6 | 3333 | 0 | 3 | 0 |
+| 6+ | 3333 | 1 | 3 | 0 |
+| 7 | 3333 | 1 | 3 | 3333 |
+| 7+ | 3333 | 0 | 3 | 3333 |
+| 8 | 3333 | 0 | 3 | 3333 |
+| 8 | 3333 | 0 | 1 | 11111 |
+| 8+ | 7777 | 0 | 1 | 11111 |
+| 9 | 7777 | 0 | 1 | 11111 |
+| 9+ | 7777 | 1 | 7 | 0 |
+| 10 | 7777 | 1 | 7 | 7777 |
+| 10+ | 7777 | 0 | 7 | 7777 |
+| 11 | 7777 | 0 | 7 | 7777 |
+| 11 | 7777 | 0 | 3 | 3333 |
+| 11 | 7777 | 0 | 7 | 7777 |
+| 11+ | 7777 | 0 | 0 | 0 |
+| 12 | 7777 | 0 | 0 | 0 |
+| 12 | 7777 | 0 | 1 | 11111 |
+| 12 | 7777 | 0 | 2 | 0 |
+| 12 | 7777 | 0 | 3 | 3333 |
+| 12 | 7777 | 0 | 4 | 0 |
+| 12 | 7777 | 0 | 5 | 0 |
+| 12 | 7777 | 0 | 6 | 0 |
+| 12 | 7777 | 0 | 7 | 7777 |
+| 12+ | 21845 | 1 | 0 | 0 |
+| 13 | 21845 | 1 | 0 | 21845 |
+| 13+ | 21845 | 1 | 1 | 11111 |
+| 14 | 21845 | 1 | 1 | 21845 |
+| 14+ | 21845 | 1 | 2 | 0 |
+| 15 | 21845 | 1 | 2 | 21845 |
+| 15+ | 21845 | 1 | 3 | 3333 |
+| 16 | 21845 | 1 | 3 | 21845 |
+| 16+ | 21845 | 1 | 4 | 0 |
+| 17 | 21845 | 1 | 4 | 21845 |
+| 17+ | 21845 | 1 | 5 | 0 |
+| 18 | 21845 | 1 | 5 | 21845 |
+| 18+ | 21845 | 1 | 6 | 0 |
+| 19 | 21845 | 1 | 6 | 21845 |
+| 19+ | 21845 | 1 | 7 | 7777 |
+| 20 | 21845 | 1 | 7 | 21845 |
+| 20+ | 21845 | 0 | 0 | 21845 |
+| 21 | 21845 | 0 | 0 | 21845 |
+| 21 | 21845 | 0 | 1 | 21845 |
+| 21 | 21845 | 0 | 2 | 21845 |
+| 21 | 21845 | 0 | 3 | 21845 |
+| 21 | 21845 | 0 | 4 | 21845 |
+| 21 | 21845 | 0 | 5 | 21845 |
+| 21 | 21845 | 0 | 6 | 21845 |
+| 21 | 21845 | 0 | 7 | 21845 |
+| 21+ | -21846 | 1 | 0 | 21845 |
+| 22 | -21846 | 1 | 0 | -21846 |
+| 22+ | -21846 | 0 | 0 | -21846 |
+| 23 | -21846 | 0 | 0 | -21846 |
+| 23 | -21846 | 0 | 1 | 21845 |
+| 23 | -21846 | 0 | 2 | 21845 |
+| 23 | -21846 | 0 | 3 | 21845 |
+| 23 | -21846 | 0 | 4 | 21845 |
+| 23 | -21846 | 0 | 5 | 21845 |
+| 23 | -21846 | 0 | 6 | 21845 |
+| 23 | -21846 | 0 | 7 | 21845 |
+| 23+ | 21845 | 1 | 0 | -21846 |
+| 24 | 21845 | 1 | 0 | 21845 |
+| 24+ | -21846 | 1 | 1 | 21845 |
+| 25 | -21846 | 1 | 1 | -21846 |
+| 25+ | -21846 | 0 | 0 | 21845 |
+| 26 | -21846 | 0 | 0 | 21845 |
+| 26 | -21846 | 0 | 1 | -21846 |
+| 26 | -21846 | 0 | 2 | 21845 |
+| 26 | -21846 | 0 | 3 | 21845 |
+| 26 | -21846 | 0 | 4 | 21845 |
+| 26 | -21846 | 0 | 5 | 21845 |
+| 26 | -21846 | 0 | 6 | 21845 |
+| 26 | -21846 | 0 | 7 | 21845 |
+| 26+ | 21845 | 1 | 1 | -21846 |
+| 27 | 21845 | 1 | 1 | 21845 |
+| 27+ | -21846 | 1 | 2 | 21845 |
+| 28 | -21846 | 1 | 2 | -21846 |
+| 28+ | -21846 | 0 | 0 | 21845 |
+| 29 | -21846 | 0 | 0 | 21845 |
+| 29 | -21846 | 0 | 1 | 21845 |
+| 29 | -21846 | 0 | 2 | -21846 |
+| 29 | -21846 | 0 | 3 | 21845 |
+| 29 | -21846 | 0 | 4 | 21845 |
+| 29 | -21846 | 0 | 5 | 21845 |
+| 29 | -21846 | 0 | 6 | 21845 |
+| 29 | -21846 | 0 | 7 | 21845 |
+| 29+ | 21845 | 1 | 2 | -21846 |
+| 30 | 21845 | 1 | 2 | 21845 |
+| 30+ | -21846 | 1 | 3 | 21845 |
+| 31 | -21846 | 1 | 3 | -21846 |
+| 31+ | -21846 | 0 | 0 | 21845 |
+| 32 | -21846 | 0 | 0 | 21845 |
+| 32 | -21846 | 0 | 1 | 21845 |
+| 32 | -21846 | 0 | 2 | 21845 |
+| 32 | -21846 | 0 | 3 | -21846 |
+| 32 | -21846 | 0 | 4 | 21845 |
+| 32 | -21846 | 0 | 5 | 21845 |
+| 32 | -21846 | 0 | 6 | 21845 |
+| 32 | -21846 | 0 | 7 | 21845 |
+| 32+ | 21845 | 1 | 3 | -21846 |
+| 33 | 21845 | 1 | 3 | 21845 |
+| 33+ | -21846 | 1 | 4 | 21845 |
+| 34 | -21846 | 1 | 4 | -21846 |
+| 34+ | -21846 | 0 | 0 | 21845 |
+| 35 | -21846 | 0 | 0 | 21845 |
+| 35 | -21846 | 0 | 1 | 21845 |
+| 35 | -21846 | 0 | 2 | 21845 |
+| 35 | -21846 | 0 | 3 | 21845 |
+| 35 | -21846 | 0 | 4 | -21846 |
+| 35 | -21846 | 0 | 5 | 21845 |
+| 35 | -21846 | 0 | 6 | 21845 |
+| 35 | -21846 | 0 | 7 | 21845 |
+| 35+ | 21845 | 1 | 4 | -21846 |
+| 36 | 21845 | 1 | 4 | 21845 |
+| 36+ | -21846 | 1 | 5 | 21845 |
+| 37 | -21846 | 1 | 5 | -21846 |
+| 37+ | -21846 | 0 | 0 | 21845 |
+| 38 | -21846 | 0 | 0 | 21845 |
+| 38 | -21846 | 0 | 1 | 21845 |
+| 38 | -21846 | 0 | 2 | 21845 |
+| 38 | -21846 | 0 | 3 | 21845 |
+| 38 | -21846 | 0 | 4 | 21845 |
+| 38 | -21846 | 0 | 5 | -21846 |
+| 38 | -21846 | 0 | 6 | 21845 |
+| 38 | -21846 | 0 | 7 | 21845 |
+| 38+ | 21845 | 1 | 5 | -21846 |
+| 39 | 21845 | 1 | 5 | 21845 |
+| 39+ | -21846 | 1 | 6 | 21845 |
+| 40 | -21846 | 1 | 6 | -21846 |
+| 40+ | -21846 | 0 | 0 | 21845 |
+| 41 | -21846 | 0 | 0 | 21845 |
+| 41 | -21846 | 0 | 1 | 21845 |
+| 41 | -21846 | 0 | 2 | 21845 |
+| 41 | -21846 | 0 | 3 | 21845 |
+| 41 | -21846 | 0 | 4 | 21845 |
+| 41 | -21846 | 0 | 5 | 21845 |
+| 41 | -21846 | 0 | 6 | -21846 |
+| 41 | -21846 | 0 | 7 | 21845 |
+| 41+ | 21845 | 1 | 6 | -21846 |
+| 42 | 21845 | 1 | 6 | 21845 |
+| 42+ | -21846 | 1 | 7 | 21845 |
+| 43 | -21846 | 1 | 7 | -21846 |
+| 43+ | -21846 | 0 | 0 | 21845 |
+| 44 | -21846 | 0 | 0 | 21845 |
+| 44 | -21846 | 0 | 1 | 21845 |
+| 44 | -21846 | 0 | 2 | 21845 |
+| 44 | -21846 | 0 | 3 | 21845 |
+| 44 | -21846 | 0 | 4 | 21845 |
+| 44 | -21846 | 0 | 5 | 21845 |
+| 44 | -21846 | 0 | 6 | 21845 |
+| 44 | -21846 | 0 | 7 | -21846 |
+| 44+ | 21845 | 1 | 7 | -21846 |
+| 45 | 21845 | 1 | 7 | 21845 |
+| 45+ | 21845 | 0 | 0 | 21845 |
+| 46 | 21845 | 0 | 0 | 21845 |
+| 46 | 21845 | 0 | 1 | 21845 |
+| 46 | 21845 | 0 | 2 | 21845 |
+| 46 | 21845 | 0 | 3 | 21845 |
+| 46 | 21845 | 0 | 4 | 21845 |
+| 46 | 21845 | 0 | 5 | 21845 |
+| 46 | 21845 | 0 | 6 | 21845 |
+| 46 | 21845 | 0 | 7 | 21845 |
diff --git a/projects/03/a/RAM8.tst b/projects/03/a/RAM8.tst
new file mode 100644
index 0000000..9b6069c
--- /dev/null
+++ b/projects/03/a/RAM8.tst
@@ -0,0 +1,560 @@
+// 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/03/a/RAM8.tst
+
+load RAM8.hdl,
+output-file RAM8.out,
+compare-to RAM8.cmp,
+output-list time%S1.4.1 in%D1.6.1 load%B2.1.2 address%D3.1.3 out%D1.6.1;
+
+set in 0,
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+tick,
+output;
+tock,
+output;
+
+set in 11111,
+set load 0,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+set address 1,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+
+set in 3333,
+set address 3,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+tick,
+output;
+tock,
+output;
+
+set address 1,
+eval,
+output;
+
+set in 7777,
+tick,
+output;
+tock,
+output;
+
+set load 1,
+set address 7,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+tick,
+output;
+tock,
+output;
+
+set address 3,
+eval,
+output;
+
+set address 7,
+eval,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set in %B0101010101010101,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+tick,
+output,
+tock,
+output;
+set address 2,
+tick,
+output,
+tock,
+output;
+set address 3,
+tick,
+output,
+tock,
+output;
+set address 4,
+tick,
+output,
+tock,
+output;
+set address 5,
+tick,
+output,
+tock,
+output;
+set address 6,
+tick,
+output,
+tock,
+output;
+set address 7,
+tick,
+output,
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 0,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 0,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 1,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 1,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 2,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 2,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 3,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 3,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 4,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 4,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 5,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 5,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 6,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 6,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+set address 7,
+set in %B1010101010101010,
+tick,
+output;
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
+set load 1,
+set address 7,
+set in %B0101010101010101,
+tick,
+output,
+tock,
+output;
+
+set load 0,
+set address 0,
+tick,
+output;
+tock,
+output;
+set address 1,
+eval,
+output;
+set address 2,
+eval,
+output;
+set address 3,
+eval,
+output;
+set address 4,
+eval,
+output;
+set address 5,
+eval,
+output;
+set address 6,
+eval,
+output;
+set address 7,
+eval,
+output;
+
diff --git a/projects/03/a/Register.cmp b/projects/03/a/Register.cmp
new file mode 100644
index 0000000..a899f27
--- /dev/null
+++ b/projects/03/a/Register.cmp
@@ -0,0 +1,149 @@
+| time | in |load | out |
+| 0+ | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 |
+| 2 | 0 | 1 | 0 |
+| 2+ | -32123 | 0 | 0 |
+| 3 | -32123 | 0 | 0 |
+| 3+ | 11111 | 0 | 0 |
+| 4 | 11111 | 0 | 0 |
+| 4+ | -32123 | 1 | 0 |
+| 5 | -32123 | 1 | -32123 |
+| 5+ | -32123 | 1 | -32123 |
+| 6 | -32123 | 1 | -32123 |
+| 6+ | -32123 | 0 | -32123 |
+| 7 | -32123 | 0 | -32123 |
+| 7+ | 12345 | 1 | -32123 |
+| 8 | 12345 | 1 | 12345 |
+| 8+ | 0 | 0 | 12345 |
+| 9 | 0 | 0 | 12345 |
+| 9+ | 0 | 1 | 12345 |
+| 10 | 0 | 1 | 0 |
+| 10+ | 1 | 0 | 0 |
+| 11 | 1 | 0 | 0 |
+| 11+ | 1 | 1 | 0 |
+| 12 | 1 | 1 | 1 |
+| 12+ | 2 | 0 | 1 |
+| 13 | 2 | 0 | 1 |
+| 13+ | 2 | 1 | 1 |
+| 14 | 2 | 1 | 2 |
+| 14+ | 4 | 0 | 2 |
+| 15 | 4 | 0 | 2 |
+| 15+ | 4 | 1 | 2 |
+| 16 | 4 | 1 | 4 |
+| 16+ | 8 | 0 | 4 |
+| 17 | 8 | 0 | 4 |
+| 17+ | 8 | 1 | 4 |
+| 18 | 8 | 1 | 8 |
+| 18+ | 16 | 0 | 8 |
+| 19 | 16 | 0 | 8 |
+| 19+ | 16 | 1 | 8 |
+| 20 | 16 | 1 | 16 |
+| 20+ | 32 | 0 | 16 |
+| 21 | 32 | 0 | 16 |
+| 21+ | 32 | 1 | 16 |
+| 22 | 32 | 1 | 32 |
+| 22+ | 64 | 0 | 32 |
+| 23 | 64 | 0 | 32 |
+| 23+ | 64 | 1 | 32 |
+| 24 | 64 | 1 | 64 |
+| 24+ | 128 | 0 | 64 |
+| 25 | 128 | 0 | 64 |
+| 25+ | 128 | 1 | 64 |
+| 26 | 128 | 1 | 128 |
+| 26+ | 256 | 0 | 128 |
+| 27 | 256 | 0 | 128 |
+| 27+ | 256 | 1 | 128 |
+| 28 | 256 | 1 | 256 |
+| 28+ | 512 | 0 | 256 |
+| 29 | 512 | 0 | 256 |
+| 29+ | 512 | 1 | 256 |
+| 30 | 512 | 1 | 512 |
+| 30+ | 1024 | 0 | 512 |
+| 31 | 1024 | 0 | 512 |
+| 31+ | 1024 | 1 | 512 |
+| 32 | 1024 | 1 | 1024 |
+| 32+ | 2048 | 0 | 1024 |
+| 33 | 2048 | 0 | 1024 |
+| 33+ | 2048 | 1 | 1024 |
+| 34 | 2048 | 1 | 2048 |
+| 34+ | 4096 | 0 | 2048 |
+| 35 | 4096 | 0 | 2048 |
+| 35+ | 4096 | 1 | 2048 |
+| 36 | 4096 | 1 | 4096 |
+| 36+ | 8192 | 0 | 4096 |
+| 37 | 8192 | 0 | 4096 |
+| 37+ | 8192 | 1 | 4096 |
+| 38 | 8192 | 1 | 8192 |
+| 38+ | 16384 | 0 | 8192 |
+| 39 | 16384 | 0 | 8192 |
+| 39+ | 16384 | 1 | 8192 |
+| 40 | 16384 | 1 | 16384 |
+| 40+ | -32768 | 0 | 16384 |
+| 41 | -32768 | 0 | 16384 |
+| 41+ | -32768 | 1 | 16384 |
+| 42 | -32768 | 1 | -32768 |
+| 42+ | -2 | 0 | -32768 |
+| 43 | -2 | 0 | -32768 |
+| 43+ | -2 | 1 | -32768 |
+| 44 | -2 | 1 | -2 |
+| 44+ | -3 | 0 | -2 |
+| 45 | -3 | 0 | -2 |
+| 45+ | -3 | 1 | -2 |
+| 46 | -3 | 1 | -3 |
+| 46+ | -5 | 0 | -3 |
+| 47 | -5 | 0 | -3 |
+| 47+ | -5 | 1 | -3 |
+| 48 | -5 | 1 | -5 |
+| 48+ | -9 | 0 | -5 |
+| 49 | -9 | 0 | -5 |
+| 49+ | -9 | 1 | -5 |
+| 50 | -9 | 1 | -9 |
+| 50+ | -17 | 0 | -9 |
+| 51 | -17 | 0 | -9 |
+| 51+ | -17 | 1 | -9 |
+| 52 | -17 | 1 | -17 |
+| 52+ | -33 | 0 | -17 |
+| 53 | -33 | 0 | -17 |
+| 53+ | -33 | 1 | -17 |
+| 54 | -33 | 1 | -33 |
+| 54+ | -65 | 0 | -33 |
+| 55 | -65 | 0 | -33 |
+| 55+ | -65 | 1 | -33 |
+| 56 | -65 | 1 | -65 |
+| 56+ | -129 | 0 | -65 |
+| 57 | -129 | 0 | -65 |
+| 57+ | -129 | 1 | -65 |
+| 58 | -129 | 1 | -129 |
+| 58+ | -257 | 0 | -129 |
+| 59 | -257 | 0 | -129 |
+| 59+ | -257 | 1 | -129 |
+| 60 | -257 | 1 | -257 |
+| 60+ | -513 | 0 | -257 |
+| 61 | -513 | 0 | -257 |
+| 61+ | -513 | 1 | -257 |
+| 62 | -513 | 1 | -513 |
+| 62+ | -1025 | 0 | -513 |
+| 63 | -1025 | 0 | -513 |
+| 63+ | -1025 | 1 | -513 |
+| 64 | -1025 | 1 | -1025 |
+| 64+ | -2049 | 0 | -1025 |
+| 65 | -2049 | 0 | -1025 |
+| 65+ | -2049 | 1 | -1025 |
+| 66 | -2049 | 1 | -2049 |
+| 66+ | -4097 | 0 | -2049 |
+| 67 | -4097 | 0 | -2049 |
+| 67+ | -4097 | 1 | -2049 |
+| 68 | -4097 | 1 | -4097 |
+| 68+ | -8193 | 0 | -4097 |
+| 69 | -8193 | 0 | -4097 |
+| 69+ | -8193 | 1 | -4097 |
+| 70 | -8193 | 1 | -8193 |
+| 70+ | -16385 | 0 | -8193 |
+| 71 | -16385 | 0 | -8193 |
+| 71+ | -16385 | 1 | -8193 |
+| 72 | -16385 | 1 | -16385 |
+| 72+ | 32767 | 0 | -16385 |
+| 73 | 32767 | 0 | -16385 |
+| 73+ | 32767 | 1 | -16385 |
+| 74 | 32767 | 1 | 32767 |
diff --git a/projects/03/a/Register.hdl b/projects/03/a/Register.hdl
new file mode 100644
index 0000000..78c0636
--- /dev/null
+++ b/projects/03/a/Register.hdl
@@ -0,0 +1,33 @@
+// 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/03/a/Register.hdl
+
+/**
+ * 16-bit register:
+ * If load[t] == 1 then out[t+1] = in[t]
+ * else out does not change
+ */
+
+CHIP Register {
+ IN in[16], load;
+ OUT out[16];
+
+ PARTS:
+ Bit(in=in[0], load=load, out=out[0]);
+ Bit(in=in[1], load=load, out=out[1]);
+ Bit(in=in[2], load=load, out=out[2]);
+ Bit(in=in[3], load=load, out=out[3]);
+ Bit(in=in[4], load=load, out=out[4]);
+ Bit(in=in[5], load=load, out=out[5]);
+ Bit(in=in[6], load=load, out=out[6]);
+ Bit(in=in[7], load=load, out=out[7]);
+ Bit(in=in[8], load=load, out=out[8]);
+ Bit(in=in[9], load=load, out=out[9]);
+ Bit(in=in[10], load=load, out=out[10]);
+ Bit(in=in[11], load=load, out=out[11]);
+ Bit(in=in[12], load=load, out=out[12]);
+ Bit(in=in[13], load=load, out=out[13]);
+ Bit(in=in[14], load=load, out=out[14]);
+ Bit(in=in[15], load=load, out=out[15]);
+}
diff --git a/projects/03/a/Register.out b/projects/03/a/Register.out
new file mode 100644
index 0000000..2719604
--- /dev/null
+++ b/projects/03/a/Register.out
@@ -0,0 +1,149 @@
+| time | in |load | out |
+| 0+ | 0 | 0 | 0 |
+| 1 | 0 | 0 | 0 |
+| 1+ | 0 | 1 | 0 |
+| 2 | 0 | 1 | 0 |
+| 2+ | -32123 | 0 | 0 |
+| 3 | -32123 | 0 | 0 |
+| 3+ | 11111 | 0 | 0 |
+| 4 | 11111 | 0 | 0 |
+| 4+ | -32123 | 1 | 0 |
+| 5 | -32123 | 1 | -32123 |
+| 5+ | -32123 | 1 | -32123 |
+| 6 | -32123 | 1 | -32123 |
+| 6+ | -32123 | 0 | -32123 |
+| 7 | -32123 | 0 | -32123 |
+| 7+ | 12345 | 1 | -32123 |
+| 8 | 12345 | 1 | 12345 |
+| 8+ | 0 | 0 | 12345 |
+| 9 | 0 | 0 | 12345 |
+| 9+ | 0 | 1 | 12345 |
+| 10 | 0 | 1 | 0 |
+| 10+ | 1 | 0 | 0 |
+| 11 | 1 | 0 | 0 |
+| 11+ | 1 | 1 | 0 |
+| 12 | 1 | 1 | 1 |
+| 12+ | 2 | 0 | 1 |
+| 13 | 2 | 0 | 1 |
+| 13+ | 2 | 1 | 1 |
+| 14 | 2 | 1 | 2 |
+| 14+ | 4 | 0 | 2 |
+| 15 | 4 | 0 | 2 |
+| 15+ | 4 | 1 | 2 |
+| 16 | 4 | 1 | 4 |
+| 16+ | 8 | 0 | 4 |
+| 17 | 8 | 0 | 4 |
+| 17+ | 8 | 1 | 4 |
+| 18 | 8 | 1 | 8 |
+| 18+ | 16 | 0 | 8 |
+| 19 | 16 | 0 | 8 |
+| 19+ | 16 | 1 | 8 |
+| 20 | 16 | 1 | 16 |
+| 20+ | 32 | 0 | 16 |
+| 21 | 32 | 0 | 16 |
+| 21+ | 32 | 1 | 16 |
+| 22 | 32 | 1 | 32 |
+| 22+ | 64 | 0 | 32 |
+| 23 | 64 | 0 | 32 |
+| 23+ | 64 | 1 | 32 |
+| 24 | 64 | 1 | 64 |
+| 24+ | 128 | 0 | 64 |
+| 25 | 128 | 0 | 64 |
+| 25+ | 128 | 1 | 64 |
+| 26 | 128 | 1 | 128 |
+| 26+ | 256 | 0 | 128 |
+| 27 | 256 | 0 | 128 |
+| 27+ | 256 | 1 | 128 |
+| 28 | 256 | 1 | 256 |
+| 28+ | 512 | 0 | 256 |
+| 29 | 512 | 0 | 256 |
+| 29+ | 512 | 1 | 256 |
+| 30 | 512 | 1 | 512 |
+| 30+ | 1024 | 0 | 512 |
+| 31 | 1024 | 0 | 512 |
+| 31+ | 1024 | 1 | 512 |
+| 32 | 1024 | 1 | 1024 |
+| 32+ | 2048 | 0 | 1024 |
+| 33 | 2048 | 0 | 1024 |
+| 33+ | 2048 | 1 | 1024 |
+| 34 | 2048 | 1 | 2048 |
+| 34+ | 4096 | 0 | 2048 |
+| 35 | 4096 | 0 | 2048 |
+| 35+ | 4096 | 1 | 2048 |
+| 36 | 4096 | 1 | 4096 |
+| 36+ | 8192 | 0 | 4096 |
+| 37 | 8192 | 0 | 4096 |
+| 37+ | 8192 | 1 | 4096 |
+| 38 | 8192 | 1 | 8192 |
+| 38+ | 16384 | 0 | 8192 |
+| 39 | 16384 | 0 | 8192 |
+| 39+ | 16384 | 1 | 8192 |
+| 40 | 16384 | 1 | 16384 |
+| 40+ | -32768 | 0 | 16384 |
+| 41 | -32768 | 0 | 16384 |
+| 41+ | -32768 | 1 | 16384 |
+| 42 | -32768 | 1 | -32768 |
+| 42+ | -2 | 0 | -32768 |
+| 43 | -2 | 0 | -32768 |
+| 43+ | -2 | 1 | -32768 |
+| 44 | -2 | 1 | -2 |
+| 44+ | -3 | 0 | -2 |
+| 45 | -3 | 0 | -2 |
+| 45+ | -3 | 1 | -2 |
+| 46 | -3 | 1 | -3 |
+| 46+ | -5 | 0 | -3 |
+| 47 | -5 | 0 | -3 |
+| 47+ | -5 | 1 | -3 |
+| 48 | -5 | 1 | -5 |
+| 48+ | -9 | 0 | -5 |
+| 49 | -9 | 0 | -5 |
+| 49+ | -9 | 1 | -5 |
+| 50 | -9 | 1 | -9 |
+| 50+ | -17 | 0 | -9 |
+| 51 | -17 | 0 | -9 |
+| 51+ | -17 | 1 | -9 |
+| 52 | -17 | 1 | -17 |
+| 52+ | -33 | 0 | -17 |
+| 53 | -33 | 0 | -17 |
+| 53+ | -33 | 1 | -17 |
+| 54 | -33 | 1 | -33 |
+| 54+ | -65 | 0 | -33 |
+| 55 | -65 | 0 | -33 |
+| 55+ | -65 | 1 | -33 |
+| 56 | -65 | 1 | -65 |
+| 56+ | -129 | 0 | -65 |
+| 57 | -129 | 0 | -65 |
+| 57+ | -129 | 1 | -65 |
+| 58 | -129 | 1 | -129 |
+| 58+ | -257 | 0 | -129 |
+| 59 | -257 | 0 | -129 |
+| 59+ | -257 | 1 | -129 |
+| 60 | -257 | 1 | -257 |
+| 60+ | -513 | 0 | -257 |
+| 61 | -513 | 0 | -257 |
+| 61+ | -513 | 1 | -257 |
+| 62 | -513 | 1 | -513 |
+| 62+ | -1025 | 0 | -513 |
+| 63 | -1025 | 0 | -513 |
+| 63+ | -1025 | 1 | -513 |
+| 64 | -1025 | 1 | -1025 |
+| 64+ | -2049 | 0 | -1025 |
+| 65 | -2049 | 0 | -1025 |
+| 65+ | -2049 | 1 | -1025 |
+| 66 | -2049 | 1 | -2049 |
+| 66+ | -4097 | 0 | -2049 |
+| 67 | -4097 | 0 | -2049 |
+| 67+ | -4097 | 1 | -2049 |
+| 68 | -4097 | 1 | -4097 |
+| 68+ | -8193 | 0 | -4097 |
+| 69 | -8193 | 0 | -4097 |
+| 69+ | -8193 | 1 | -4097 |
+| 70 | -8193 | 1 | -8193 |
+| 70+ | -16385 | 0 | -8193 |
+| 71 | -16385 | 0 | -8193 |
+| 71+ | -16385 | 1 | -8193 |
+| 72 | -16385 | 1 | -16385 |
+| 72+ | 32767 | 0 | -16385 |
+| 73 | 32767 | 0 | -16385 |
+| 73+ | 32767 | 1 | -16385 |
+| 74 | 32767 | 1 | 32767 |
diff --git a/projects/03/a/Register.tst b/projects/03/a/Register.tst
new file mode 100644
index 0000000..aeec166
--- /dev/null
+++ b/projects/03/a/Register.tst
@@ -0,0 +1,569 @@
+// 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/03/a/Register.tst
+
+load Register.hdl,
+output-file Register.out,
+compare-to Register.cmp,
+output-list time%S1.4.1 in%D1.6.1 load%B2.1.2 out%D1.6.1;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in -32123,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 11111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in -32123,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in -32123,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in -32123,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 12345,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set in 0,
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000000000001,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000000000010,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000000000100,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000000001000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000000010000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000000100000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000001000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000010000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000000100000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000001000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000010000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0000100000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0001000000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0010000000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0100000000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1000000000000000,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111111111110,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111111111101,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111111111011,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111111110111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111111101111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111111011111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111110111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111101111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111111011111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111110111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111101111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1111011111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1110111111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1101111111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B1011111111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;
+
+set in %B0111111111111111,
+set load 0,
+tick,
+output;
+
+tock,
+output;
+
+set load 1,
+tick,
+output;
+
+tock,
+output;