diff --git a/cli.py b/cli.py
deleted file mode 100644
index b468fd9..0000000
--- a/cli.py
+++ /dev/null
@@ -1,15 +0,0 @@
-from server import main
-import argparse
-
-def entry():
-    parser = argparse.ArgumentParser(
-        prog="desmos-sync",
-        description="Synchronize from local file to Desmos calculator",
-    )
-
-    parser.add_argument("filename")
-    args = parser.parse_args()
-    main(args.filename)
-
-if __name__ == "__main__":
-    entry()
\ No newline at end of file
diff --git a/computer-spec/computer.md b/computer-spec/computer.md
index 766ee6d..d2f70fe 100644
--- a/computer-spec/computer.md
+++ b/computer-spec/computer.md
@@ -11,6 +11,8 @@ INSTRUCTIONS
 ------------
 
 STO ( value, address ) -> store a value into an address
+MOV ( fromaddr, toaddr) -> move a value from one address to another
+PSTO ( value, ptr ) -> store value into the address referenced in ptr
 ADD ( addra, addrb, toaddr ) -> add a value from two addresses to a third address
 SUB ( addra, addrb, toaddr ) -> subtract a value from two addresses to a third address
 MUL ( addra, addrb, toaddr ) -> multiply a value from two addresses to a third address
diff --git a/data/computer.desmos b/data/computer.desmos
index 8368867..ceba8ca 100644
--- a/data/computer.desmos
+++ b/data/computer.desmos
@@ -1,7 +1,6 @@
-ticker 1 : loopaction, loop
+ticker 1 : main
 # Main memory structure
-: B = [1...100] * 0
-
+id testing : B = [1, 4, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
 # Operations on memory
 : q(l, v, i)=ifval(l, i, [1...length(l)], v)
 : setlistval(index, v) = B -> q(B, v, index)
@@ -21,12 +20,17 @@ ticker 1 : loopaction, loop
 : idiv(a, b, t_o) = setlistval(t_o, odiv(B[a], B[b]))
 : imul(a, b, t_o) = setlistval(t_o, omul(B[a], B[b]))
 
-: icmp(a, b, z) = { a = b : equals -> 1 , a > b : greater -> 1 , a < b : less -> 1}
+: icmp(a, b, z) = { \
+    a = b : equals -> 1 , \
+    a > b : greater -> 1 , \
+    a < b : less -> 1 \
+  }
 : irst(a, b, c) = equals -> 0, greater -> 0, less -> 0
 : ield(addr, b) = setlistval(addr, equals)
 : igld(addr, b) = setlistval(addr, greater)
 : illd(addr, b) = setlistval(addr, less)
 
+
 : ibe(addr, b, c) = {equals = 1 : ijmp(addr, 0, 0), jumped -> 1}
 : ibne(addr, b, c) = {equals = 0 : ijmp(addr, 0, 0), jumped -> 1}
 : ibg(addr, b, c) = {greater = 1 : ijmp(addr, 0, 0), jumped -> 1}
@@ -84,6 +88,7 @@ ticker 1 : loopaction, loop
 
 : loop = {execution = 0 : execution -> 1, execution = 1 : execution -> 2, execution = 2 : execution -> 0}
 : loopaction = {execution = 0 : load(ip), execution = 1 : exec, execution = 2 : incip}
+: main = loopaction, loop
 
 : sto = 1
 : add = 2
@@ -101,4 +106,4 @@ ticker 1 : loopaction, loop
 : div = 14
 : rst = 15
 
-: instwidth = [2,3,1,1,1,1,1,1,1,1,3,3,3,3,0]
\ No newline at end of file
+: instwidth = [2,3,1,1,1,1,1,1,1,1,3,3,3,3,0]
diff --git a/desmosisa/__init__.py b/desmosisa/__init__.py
new file mode 100644
index 0000000..316bed5
--- /dev/null
+++ b/desmosisa/__init__.py
@@ -0,0 +1,37 @@
+from .server import main
+import argparse
+import pyperclip
+import json
+
+def get_overrides(file):
+    fd = open(file, "r")
+    data = json.loads(fd.read())
+    fd.close()
+    return data
+
+def entry():
+    parser = argparse.ArgumentParser(
+        prog="desmos-sync",
+        description="Synchronize from local file to Desmos calculator",
+    )
+
+    parser.add_argument('--copy', action="store_true", help="copy the client side JS to clipboard")
+    parser.add_argument('--run', help="specify file to start the desmos server for")
+    parser.add_argument('--overrides', help="specify file that contains overrides for desmos expressions")
+
+    args = parser.parse_args()
+    if args.overrides:
+        args.overrides = get_overrides(args.overrides)
+
+    if args.run:
+        main(args.run, args.overrides if args.overrides else {})
+    elif args.copy:
+        fd = open("console.js", "r")
+        buffer = fd.read()
+        pyperclip.copy(buffer)
+        print("copied")
+    else:
+        parser.print_help()
+
+if __name__ == "__main__":
+    entry()
diff --git a/desmosisa/__main__.py b/desmosisa/__main__.py
new file mode 100644
index 0000000..0bb2e7e
--- /dev/null
+++ b/desmosisa/__main__.py
@@ -0,0 +1,4 @@
+from . import entry
+
+if __name__ == "__main__":
+    entry()
diff --git a/parser.py b/desmosisa/parser.py
similarity index 100%
rename from parser.py
rename to desmosisa/parser.py
diff --git a/server.py b/desmosisa/server.py
similarity index 63%
rename from server.py
rename to desmosisa/server.py
index 4ea0b49..595dd64 100644
--- a/server.py
+++ b/desmosisa/server.py
@@ -6,7 +6,7 @@ import json
 import random
 import queue
 import functools
-from parser import Parser
+from .parser import Parser, Statement
 from watchdog.events import FileSystemEventHandler
 from watchdog.events import FileModifiedEvent
 from watchdog.observers import Observer
@@ -19,7 +19,7 @@ class FSEHandler(FileSystemEventHandler):
     def on_modified(self, event):
         self.queue.put("")
 
-async def serv(websocket, file):
+async def serv(websocket, file, overrides={}):
     message = await websocket.recv()
     lmtime = 0
     epsilon = 0.25 # tweak this to what makes sense. 0.25 seconds makes sense to me.
@@ -44,7 +44,7 @@ async def serv(websocket, file):
             continue
         else:
             lmtime = time.time()
-        
+
         parser = Parser(file)
         parser.parse()
 
@@ -52,7 +52,7 @@ async def serv(websocket, file):
             json.dumps(
                 {
                     "message": "clear",
-                    "payload": "none",    
+                    "payload": "none",
                 }
             )
         )
@@ -70,25 +70,38 @@ async def serv(websocket, file):
                 )
 
                 continue
-                
-            if not line["comment"]:
-                await websocket.send(
-                    json.dumps(
-                        {
-                            "message": "expression",
-                            "id": "placeholder" + str(random.randint(1, 100100)),
-                            "payload": line.latex,
-                        }
-                    )
+
+            # if the line has been assigned an id, make it so
+            if line["id"]:
+                ident = line.commands["id"]
+                print("performing substitution")
+            else:
+                # else just choose a safe option
+                ident = "placeholder" + str(random.randint(1, 100100))
+
+            if ident in overrides.keys():
+                to_send = overrides[ident]
+            else:
+                to_send = line.latex
+
+
+            await websocket.send(
+                json.dumps(
+                    {
+                        "message": "expression",
+                        "id": ident,
+                        "payload": to_send,
+                    }
                 )
-            
-async def start_server(file):
-    wrapper = functools.partial(serv, file=file)
+            )
+
+async def start_server(file, overrides):
+    wrapper = functools.partial(serv, file=file, overrides=overrides)
     async with serve(wrapper, "localhost", 8765):
         await asyncio.Future()
 
-def main(file):
-    asyncio.run(start_server(file))
+def main(file, overrides):
+    asyncio.run(start_server(file, overrides))
 
 if __name__ == "__main__":
-    main("data/testing.desmos")
\ No newline at end of file
+    main("data/testing.desmos")
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..fed528d
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
diff --git a/shell.nix b/shell.nix
index 9fcbc4b..e811876 100644
--- a/shell.nix
+++ b/shell.nix
@@ -2,6 +2,9 @@
 let
   my-python-packages = ps: with ps; [
     pip
+    pkgs.python311Packages.websockets
+    pkgs.python311Packages.watchdog
+    pkgs.python311Packages.pyperclip
   ];
   my-python = pkgs.python3.withPackages my-python-packages;
-in my-python.env
\ No newline at end of file
+in my-python.env
diff --git a/test.override b/test.override
new file mode 100644
index 0000000..4f130c2
--- /dev/null
+++ b/test.override
@@ -0,0 +1 @@
+{"testing": "\\left[1,2,3,4,5,1\\right]"}