Question

5) Write TOY AL subprogram that implements the following subprogram interface: Label: SumEven On entry: Register $1 is the return address of the caller. Register $A is the address in memory of an array A. Register $s is the size of the array A. On exit: Register $F is the sum of the entries of A that are even (divisible by 2) No values in memory have changed. Any of the registers may have changed value. Hint: The TOY assembly code to determine if the value in a register is even is fairly straig forward. If you are having trouble figuring it out, write your program assuming ther and assembly odd, such that execution odd $4, $5 would put a 1 in $4, if the value in $5 was odd, and 0, if it was even. If you later f out how, show the assembly code equivalent for the odd instruction.

Answer 1

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