Added LoadVar support to the VM and fixed a minor mistake in the debugger output

src/backend/vm.nim

@@ -165,6 +165,8 @@ proc dispatch*(self: PeonVM) =
             of OpCode.Return:
                 # TODO
                 return
+            of OpCode.LoadVar:
+                self.push(self.stack[self.readLong()])
             of NoOp:
                 continue
             of Pop:

src/util/debugger.nim

@@ -78,7 +78,7 @@ proc argumentDoubleInstruction(instruction: OpCode, chunk: Chunk, offset: int):
     ## Debugs instructions that operate on a hardcoded value on the stack using a 16-bit operand
     var slot = [chunk.code[offset + 1], chunk.code[offset + 2]].fromDouble()
     printInstruction(instruction)
-    stdout.write(&", has argument ")
+    stdout.styledWrite(fgGreen, &", has argument ")
     setForegroundColor(fgYellow)
     stdout.write(&"{slot}")
     nl()