X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=07-interpreter%2Fmachine-code.ipynb;h=c6b62b09b7c78ee0c2711e08796ec6639a839e65;hb=08e0c316beac066037ece028bf687379819fc409;hp=48da543feccf20468c7c036c640544966007074b;hpb=787b6246ddfd5d1eaa228cdd11c537096362eb2f;p=ou-summer-of-code-2017.git

diff --git a/07-interpreter/machine-code.ipynb b/07-interpreter/machine-code.ipynb
index 48da543..c6b62b0 100644
--- a/07-interpreter/machine-code.ipynb
+++ b/07-interpreter/machine-code.ipynb
@@ -23,7 +23,7 @@
     "| `inc r`     | increment contents of register `r` |\n",
     "| `dec r`     | decrement contents of register `r` |\n",
     "| `set r i`   | set contents of register `r` to literal value `i` |\n",
-    "| `cpy r s`   | set contents of register `r` into register `s` | \n",
+    "| `cpy r s`   | copy contents of register `r` into register `s` | \n",
     "| `sto r m`   | store contents of register `r` into memory location `m` |\n",
     "| `ld r m`    | load contents of memory location `m` into register `r` |\n",
     "| `jmp i`     | jump to instruction `i` places forward |\n",
@@ -241,7 +241,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 42,
+   "execution_count": 15,
    "metadata": {
     "collapsed": true
    },
@@ -257,7 +257,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 39,
+   "execution_count": 16,
    "metadata": {
     "collapsed": true
    },
@@ -310,7 +310,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 40,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [
     {
@@ -416,7 +416,8 @@
     {
      "data": {
       "text/plain": [
-       "{'instructions': [(<function __main__.set_literal>, ['a', 10]),\n",
+       "{'pc': 6,\n",
+       " 'instructions': [(<function __main__.set_literal>, ['a', 10]),\n",
        "  (<function __main__.dec>, ['a']),\n",
        "  (<function __main__.inc>, ['b']),\n",
        "  (<function __main__.sto>, ['b', 1]),\n",
@@ -425,7 +426,6 @@
        " 1: 10,\n",
        " 'c': 20,\n",
        " 'a': 0,\n",
-       " 'pc': 6,\n",
        " 'b': 10}"
       ]
      },
@@ -457,7 +457,8 @@
     {
      "data": {
       "text/plain": [
-       "{'instructions': [(<function __main__.set_literal>, ['a', 10]),\n",
+       "{'pc': 6,\n",
+       " 'instructions': [(<function __main__.set_literal>, ['a', 10]),\n",
        "  (<function __main__.dec>, ['a']),\n",
        "  (<function __main__.inc>, ['b']),\n",
        "  (<function __main__.sto>, ['b', 1]),\n",
@@ -466,7 +467,6 @@
        " 1: 10,\n",
        " 'c': 20,\n",
        " 'a': 0,\n",
-       " 'pc': 6,\n",
        " 'b': 10}"
       ]
      },
@@ -582,7 +582,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 85,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [
     {
@@ -591,7 +591,7 @@
        "'1: 8, a: 0, b: 1, c: 8, pc: 11'"
       ]
      },
-     "execution_count": 85,
+     "execution_count": 26,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -619,7 +619,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 43,
+   "execution_count": 27,
    "metadata": {},
    "outputs": [
     {
@@ -628,7 +628,7 @@
        "'a: 4, b: 0, c: 12, pc: 9'"
       ]
      },
-     "execution_count": 43,
+     "execution_count": 27,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -658,47 +658,125 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": true
-   },
-   "outputs": [],
+   "execution_count": 28,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'1: 0, a: 0, b: 0, c: 27, pc: 11'"
+      ]
+     },
+     "execution_count": 28,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# c holds a!\n",
+    "# c holds a * b\n",
     "program = \"\"\"\n",
-    "??????????????\n",
     "      set c 0\n",
-    "      cpy a b\n",
-    "      # start of main loop\n",
-    "loop: jpz b end\n",
+    "      sto a 1\n",
+    "loop: jpz b end      \n",
     "      dec b\n",
+    "      ld a 1\n",
+    "smul: jpz a emul\n",
     "      inc c\n",
-    "      inc c\n",
-    "      inc c\n",
-    "      jmp loop\n",
+    "      dec a\n",
+    "      jmp smul\n",
+    "emul: jmp loop \n",
     "      \n",
-    "      # end of program \n",
+    "end:  sto a 1\n",
+    "\"\"\"\n",
+    "m = new_machine()\n",
+    "program_from_listing(program, m)\n",
+    "run(m)\n",
+    "show_machine(execute(program, initial_state={'a': 9, 'b': 3}))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 29,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "'1: 0, a: 0, b: 0, c: 10, pc: 13'"
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# c holds a * b\n",
+    "program = \"\"\"\n",
+    "      set a 2\n",
+    "      set b 5\n",
+    "      set c 0\n",
+    "      sto a 1\n",
+    "loop: jpz b end      \n",
+    "      dec b\n",
+    "      ld a 1\n",
+    "smul: jpz a emul\n",
+    "      inc c\n",
+    "      dec a\n",
+    "      jmp smul\n",
+    "emul: jmp loop \n",
     "      \n",
-    "end:  jmp 1\n",
+    "end:  sto a 1\n",
     "\"\"\"\n",
-    "# m = new_machine()\n",
-    "# program_from_listing(program, m)\n",
-    "# run(m)\n",
-    "show_machine(execute(program, initial_state={'a': 4}))"
+    "m = new_machine()\n",
+    "program_from_listing(program, m)\n",
+    "run(m)\n",
+    "show_machine(execute(program, initial_state={'a': 9, 'b': 3}))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 49,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "set c 0\n",
+      "sto a 1\n",
+      "jpz b 8\n",
+      "dec b\n",
+      "ld a 1\n",
+      "jpz a 4\n",
+      "inc c\n",
+      "dec a\n",
+      "jmp -3\n",
+      "jmp -7\n",
+      "sto a 1\n"
+     ]
+    }
+   ],
+   "source": [
+    "labelled_instructions = [i.strip() for i in program.split('\\n') \n",
+    "                             if i.strip() \n",
+    "                             if not i.strip().startswith('#')]\n",
+    "instructions = replace_labels(labelled_instructions)\n",
+    "print('\\n'.join(instructions))"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 82,
+   "execution_count": 51,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "'1: 52, a: 0, b: 0, c: 0, pc: 46'"
+       "'1: 0, a: 52, b: 0, c: 0, pc: 48'"
       ]
      },
-     "execution_count": 82,
+     "execution_count": 51,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -768,7 +846,9 @@
     "      \n",
     "      # end of program \n",
     "      \n",
-    "end:  set c 0\n",
+    "end:  ld a 1\n",
+    "      set c 0\n",
+    "      sto c 1\n",
     "\"\"\"\n",
     "# m = new_machine()\n",
     "# program_from_listing(program, m)\n",
@@ -778,7 +858,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 56,
+   "execution_count": 30,
    "metadata": {},
    "outputs": [
     {
@@ -787,7 +867,7 @@
        "40"
       ]
      },
-     "execution_count": 56,
+     "execution_count": 30,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -798,7 +878,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 63,
+   "execution_count": 31,
    "metadata": {
     "collapsed": true
    },
@@ -819,7 +899,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 64,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [
     {
@@ -828,7 +908,7 @@
        "52"
       ]
      },
-     "execution_count": 64,
+     "execution_count": 32,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -839,7 +919,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 80,
+   "execution_count": 33,
    "metadata": {},
    "outputs": [
     {
@@ -848,7 +928,7 @@
        "(250504, 937)"
       ]
      },
-     "execution_count": 80,
+     "execution_count": 33,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -859,7 +939,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 73,
+   "execution_count": 34,
    "metadata": {},
    "outputs": [
     {
@@ -868,7 +948,7 @@
        "[]"
       ]
      },
-     "execution_count": 73,
+     "execution_count": 34,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -885,16 +965,16 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 83,
+   "execution_count": 52,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "text/plain": [
-       "'1: 250504, a: 0, b: 0, c: 0, pc: 46'"
+       "'1: 0, a: 250504, b: 0, c: 0, pc: 48'"
       ]
      },
-     "execution_count": 83,
+     "execution_count": 52,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -903,6 +983,85 @@
     "show_machine(execute(program, initial_state={'a': 937}))"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 53,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "sto a 1\n",
+      "set b 0\n",
+      "dec a\n",
+      "jpz a 42\n",
+      "inc a\n",
+      "cpy a c\n",
+      "set b 0\n",
+      "dec c\n",
+      "jpz b 3\n",
+      "dec b\n",
+      "jmp 2\n",
+      "inc b\n",
+      "jpz c 2\n",
+      "jmp -6\n",
+      "jpz b 11\n",
+      "cpy a b\n",
+      "jpz b 6\n",
+      "dec b\n",
+      "inc c\n",
+      "inc c\n",
+      "inc c\n",
+      "jmp -5\n",
+      "inc c\n",
+      "cpy c a\n",
+      "jmp 12\n",
+      "set c 0\n",
+      "set b 0\n",
+      "dec a\n",
+      "jpz b 4\n",
+      "dec b\n",
+      "inc c\n",
+      "jmp 2\n",
+      "inc b\n",
+      "jpz a 2\n",
+      "jmp -7\n",
+      "cpy c a\n",
+      "cpy a b\n",
+      "ld c 1\n",
+      "jpz c 5\n",
+      "jpz b 5\n",
+      "dec b\n",
+      "dec c\n",
+      "jmp -4\n",
+      "sto a 1\n",
+      "jmp -42\n",
+      "ld a 1\n",
+      "set c 0\n",
+      "sto c 1\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "342"
+      ]
+     },
+     "execution_count": 53,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "labelled_instructions = [i.strip() for i in program.split('\\n') \n",
+    "                             if i.strip() \n",
+    "                             if not i.strip().startswith('#')]\n",
+    "instructions = replace_labels(labelled_instructions)\n",
+    "print('\\n'.join(instructions))\n",
+    "open('07-program.txt', 'w').write('\\n'.join(instructions))"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,