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  1. #1

    Mips Array/Loop assistance


    I am working on a small Mips program for my Comp Organization class and I am having an impossible time with advancing an array which I wish to print integers from. I have a loop that terminates at the proper interval however I cannot seem to get the next value in the array.

    I have tried bit shifts which leads to to either print the first value followed by a constant set of the second value or leads to memory address faults. I have tried adding 4 to the address in an attempt to move to the next 4 bytes. I am at a loss. I have reviewed the text, the class slides, and days of google searches. Can someone help me see a solution? Code attached.

    	.word  12
    bytes:	.word   4
    values:	.word  17
    	.word -50
    	.word   3
    	.word -23
    	.word -60
    	.word  97
    	.word  20
    	.word -82
    	.word  53
    	.word  30
    	.word -17
    	.word 142
    	.asciiz "The 32-bit integers are\n"
    newline:.asciiz "\n"
    # Your code goes below this line
    	li	$v0, 4		# Load print sys command
    	la	$a0, wordString	# Load wordString to $a0
    	la	$s2, values	# Load address of array
    	lw	$a0, 0($s2)	# Load address to arg
    	la	$t2, numWords	# Load number of words
    	lw 	$s1, 0($t2)	# Set loop upper bound to numWords
    	li	$s0, 0		# Set loop lower bound to 0
    	li	$v0,1 		# Load Print int sys call
    	add	$s2, $s2, 4	# Advance memory to next four bytes
    	addi	$s0, $s0, 1	# Add 1 to loop indexer
    	bne	$s0, $s1, WordLoop	# If loop equals less than word count continue
    	j 	Exit		# Else exit
    	jr $ra			# Jump to return addr ($ra)

  2. #2
    Linux Guru Cabhan's Avatar
    Join Date
    Jan 2005
    Seattle, WA, USA
    Sorry, but homework questions are not allowed as per The Forum Rules.

    I will say that your problem is indeed in your traversing of the array.

    Good luck. If you have any specific questions about concepts, please feel free to ask them.

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