.export StartAsm    ; Tells the linker to export the StartAsm
		    ; label so other files can see it
        
 

.function "StartAsm", PPC_Start_Asm, PPC_End_Asm-PPC_Start_Asm
 
.text
 
PPC_Start_Asm:
 
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; Assembly code
;
 
StartAsm:
 ; Place your code here
	; Give r3 the address of data Segment defined below

 lis  r3, DataSeg@h  		;r3 = Upper Address
 ori  r3, r3, DataSeg@l		;r3 = r3 | lower 16 bits of address
 
 lwz r31,0(r3)			; load the contents of address computed as r3+0 into r31
 lwz r30,4(r3)			; load the contents of address computed as r3+4 into r30
 lwz r29,8(r3)			; load the contents of address computed as r3+8 into r29
 
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; Place instructions that perform addition here and stores final result to r31!
 



 blr       ; Return back to the C code    
 
PPC_End_Asm:
DataSeg:	; note that these values are words and 
		; hence the displacement in lwz instruction is in steps of 4
 .word $10	; a= 10
 .word $20	; b= 20
 .word $30	; c= 30