MSP430 Average

;-------------------------------------------------------------------------------
; MSP430 Assembler Code Template for use with TI Code Composer Studio
;
;
;-------------------------------------------------------------------------------
            .cdecls C,LIST,"msp430.h"       ; Include device header file

;-------------------------------------------------------------------------------
            .def    RESET                   ; Export program entry-point to
                                            ; make it known to linker.
;-------------------------------------------------------------------------------
            .text                           ; Assemble into program memory.
            .retain                         ; Override ELF conditional linking
                                            ; and retain current section.
            .retainrefs                     ; And retain any sections that have
                                            ; references to current section.

;array .word 2,3,4,5,6,4,4,5
array .word 5,5,5,6,9,4,7,3
size .word 9 ;; maybe this has to be 8?

;-------------------------------------------------------------------------------
RESET       mov.w   #__STACK_END,SP         ; Initialize stackpointer
StopWDT     mov.w   #WDTPW|WDTHOLD,&WDTCTL  ; Stop watchdog timer


;-------------------------------------------------------------------------------
; Main loop here
;-------------------------------------------------------------------------------

	mov #array, r4
	mov size, r5
	mov #0, r6 ;; this is the sum result
	mov #0, r7 ;; this is the index
	mov #0, r8 ;; this is the result of the division

sumLoop:
	dec r5
	jz division
	add array(r7), r6
	incd r7
	jmp sumLoop

division:
	sub #8, r6
	jl done
	inc r8
	jmp division

done:
	jmp $
	nop





;-------------------------------------------------------------------------------
; Stack Pointer definition
;-------------------------------------------------------------------------------
            .global __STACK_END
            .sect   .stack

;-------------------------------------------------------------------------------
; Interrupt Vectors
;-------------------------------------------------------------------------------
            .sect   ".reset"                ; MSP430 RESET Vector
            .short  RESET