Difference between revisions of "CSC103 Homework 4 Solutions Fall 2012"

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</pre></code>
 
</pre></code>
  
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=Problem #3=
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<code><pre>
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; SumEvenOdd program
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; D. Thiebaut
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; Computes the sum of all the numbers between 0 and 10
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; and stores the result in variable sum.
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;
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 +
@0
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      jmp start
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 +
;
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; data section with 2 variables
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;
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counter: 100
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sumEven: 0
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sumOdd:  0
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;
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; code section
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;
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start:
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 +
; sumEven <- counter
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lod counter
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sto sumEven
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; sumOdd <- counter - 1
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dec
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sto  sumOdd
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; counter <- counter - 2
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loop:
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lod counter
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dec
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dec
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sto counter
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; if counter is 0, then jump out of loop
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jmz done
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; sumEven <- sumEven + counter
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lod sumEven
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add counter
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sto sumEven
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; sumOdd <- sumOdd + counter - 1
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lod counter
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dec
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add sumOdd
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    sto sumOdd
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 +
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; go back to compute new sum
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jmp loop
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; if we reach this point, then we are done with
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; the loop and sumEven should contain the sum of all
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; the even numbers, and sumOdd the sum of all the odd
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; numbers
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 +
done: hlt
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 +
</pre></code>
  
 
=Problem #4=
 
=Problem #4=

Revision as of 17:24, 16 October 2012

--D. Thiebaut 14:48, 11 October 2012 (EDT)


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