#-------------------------------------------------------------------------------
# Thomas C. Bressoud
# 31 January 2007
# empty.s
#
# Description:  Simple first program that does nothing
#-------------------------------------------------------------------------------

# Following directive defines additions to the data segment

.data
.align 2		; Start on 4 byte boundary

# Put our global data definitions here ...





# Following directive defines additions to the text (code) segment

.text
.align 2		; Start on a 4 byte boundary

.globl	_main	; Make the _main symbol visible outside this module
_main:

    ; Function prologue
    
	mflr	r0			; Put the return address from main into r0
	stw		r0,8(r1)	; Save in the linkage of the callers stack frame
	stwu	r1,-32(r1)	; Allocate a new stack frame, updating the stack ptr

# Do something in here in the body of _main

	; Function epilogue
	
	addi	r1, r1, 32
	lwz		r0, 8(r1)
	mtlr	r0
	blr