sleep was the first routine setup for this project

Code:
 =========== Power Shutdown routine ==================
Shut_Down:

 pwr_on = 1                              ' PWR ON = 1 = OFF  - turns off power to devices external to cpu 
@ INT_DISABLE  RBC_INT                   ; TURN OFF PortB IOC Interrupts for RX_mode  - RF_IRQ pin  
@ INT_DISABLE  RX2_INT                   ; Turn Off  USART RX Interrupts for RX_mode  - RX input on USART 
@ INT_DISABLE  TMR0_INT                  ; disable  Timer0 interupts 
gosub RF_Powerdown                       ' shut down rf module 
 TRISA = $FF                             ' reduce power usage by puting port to inputs 
 TRISC = $FF
 TRISD = $F7                             ' make all ports inputs except portd.3 for PWR_ON output
 TRISE = $FF
 
 WPUB  = $00                             ' Port B set to inputs already , turn off all week pullups 

 PMD0 = $FF                              ' TURN OFF ALL PERIPHERALS ON CPU 
 PMD1 = $FF
 PMD2 = $FF
 
 PWR_shutdown = 0                        ' CLEAR shutdown flag 
 INTCON.1 = 0                            ' CLEAR INT0 interupt flag prior to enable  
@ INT_ENABLE INT0_INT                    ; Enable INT0 interupt to allow wakeup from Sleep command  - Triggered by PWR_SW , active Low  
OSCCON.7 =0                              ' clear  IDLEN bit ready for sleep command 
@ sleep                                  ; sleep command 
@ NOP

 return