Update gitignore, clean codeHEADmaster

1 files changed, 7 insertions, 9 deletions

diff --git a/MicSim/components/caretaker.py b/MicSim/components/caretaker.py
index cd6d913..e46c402 100644
--- a/MicSim/components/caretaker.py
+++ b/MicSim/components/caretaker.py
@@ -6,22 +6,20 @@ class Caretaker:
 	
 	def __init__(self,ramSize):
 		self.objects=dict() # Create empty objects pool
-		# Add registers to pool
+		## Add registers to pool ##
 		for reg in ["MAR","MDR", "PC", "MBR", "SP","LV","CPP","TOS","OPC","H"]:
 			self.objects[reg]=0
-		self.objects["RAM"]=Ram(self,ramSize)
+		self.objects["RAM"]=Ram(self,ramSize) # Create ram
 	
 	def __getitem__(self,key):
 		if key=="MBRU": # If we ask for unsigned
 			return(abs(self.objects["MBR"]))
-		elif key== "MBR":
-			if self.objects[key] < 0:
+		elif key== "MBR": # If we ask for signed
+			if self.objects[key] < 0: # If its already signed
 				return(self.objects[key])
-			elif self.objects[key]>>7==1: # If it a negative number (2 complement)
-				#return(-(self.objects[key]&0x7F)) 
-				return(-((self.objects[key]-1)^0xFF)) # Reverse 2 complements to get an unsign nummber (for python is better)
-
-			else:
+			elif self.objects[key]>>7==1: # Otherwise compute its python version
+				return(-((self.objects[key]-1)^0xFF)) # Reverse 2 complements to get an unsigned number then negate it
+			else: # Otherwise it is positive
 				return(self.objects[key])
 		return(self.objects[key])