ir decode using pulsin help needed!!!

[engineer7]

here is my code:

'****************************************************************
'*  Name    : UNTITLED.BAS                                      *
'*  Author  : [select VIEW...EDITOR OPTIONS]                    *
'*  Notice  : Copyright (c) 2011 [select VIEW...EDITOR OPTIONS] *
'*          : All Rights Reserved                               *
'*  Date    : 5/23/2011                                         *
'*  Version : 1.0                                               *
'*  Notes   :                                                   *
'*          :                                                   *
'****************************************************************
Define OSC 20 
Header var word
Body var word
i var byte
tmp var Byte
irButton var byte
irDevice var byte 
irIN var PortA.2 
SonyLED var PortB.2 

TrisA = %00000100 
TrisB = 0 
Start:
LOW SONYLED 
IRBUTTON=255: IRDEVICE=255

Pulsin irin,0,header 
if header > 1000 or header < 1350 then goto Start
 
for i =0 to 11
pulsin irin,0,tmp 
if tmp >= 480 then
Body.0[i]=1 'Sony Logic 1 is 120
else
Body.0[i]=0 ' Sony Logic 0 is 60
endif
next
IRBUTTON = Body & %01111111 'Mask 7 bit 
IRDEVICE = (Body >>7) & %00011111 'Mask 5 bit 
If IRDEVICE=255 then goto start
 
if IRBUTTON >=0 and IRBUTTON < 255 then
high Sonyled
pause 300
low Sonyled
endif
pause 100
goto start

i am using pic16f877a n i am definitely using picbasic pro now.
but the pin portb.2 never gets high on pushing any button of my sony remote.can anyone plz plz help me out with this.i really need to make it work plz!