Homework Answers
Ans .1.
#Lets find absolute value of r1
ori $2, $zero, $1 #make a copy of r1 and store in r2
slt $3, $1, $zero #checks if r1 is negative
beq $3, $zero, next #if r1 is positive, skip next inst
sub $2, $zero, $1 #r2 = 0 - r1
next:
#r2 has the absolute value of r1
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