From d58349763a312add267dbcaf53d0b9602b177d33 Mon Sep 17 00:00:00 2001 From: Loic GUEGAN Date: Sat, 1 Sep 2018 16:49:12 +0200 Subject: Debug MBR register --- components/caretaker.py | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'components/caretaker.py') diff --git a/components/caretaker.py b/components/caretaker.py index 7f8cc33..4237702 100644 --- a/components/caretaker.py +++ b/components/caretaker.py @@ -11,12 +11,12 @@ class Caretaker: def __getitem__(self,key): if key=="MBRU": # If we ask for unsigned - return(self.objects["MBR"] & 0x000000FF) - elif key=="MBR": # If we ask for signed - if self.objects["MBR"]>=0: - return(self["MBRU"]) - else: # Send 2 complement if it's lower than 0 - return(self.objects["MBR"] & 0xFFFFFFFF) + return(abs(self.objects["MBR"])) + elif key== "MBR": + if (self.objects[key]>>7)==1: # If it a negative number (2 complement) + return(-((self.objects[key]-1)^0xFF)) # transforme bin negative number to python negative number + else: + return(self.objects[key]) return(self.objects[key]) def __setitem__(self,key,value):# TODO: Do special treatment for MBR (allow only 2^8 value) -- cgit v1.2.3