takyshu98

sub $t0, $s3, $s4  # calc i-j
sll $t0, $t0, 2    # calc (i-j)*4
lw  $t0, $t0($s6)  # assign A[i-j] to temp regiseter $t0
sw  $t0, 32($s7)   # send $t0 value to B[8]

takyshu98

B[g] = A[f] + A[f+1];

takyshu98

sll $t0, $s0, 2    # $t0 = f * 4
add $t0, $s6, $t0  # $t0 = &A[f]
sll $t1, $s1, 2    # $t1 = g * 4
add $t1, $s7, $t1  # $t1 = &B[g]
lw  $s0, 0($t0)    # f = A[f]
lw  $t0, 4($t0)    # $t0 = A[f + 1]
add $t0, $t0, $s0  # $t0 = A[f] + A[f + 1]
sw  $t0, 0($t1)    # B[g] = $t0

takyshu98

int Array[5];
int temp1, temp2;

Array[0] = 2;   // adress 24
Array[1] = 4;   // adress 28
Array[2] = 3;   // adress 32
Array[3] = 6;   // adress 36
Array[4] = 1;   // adress 40

temp1 = Array[0];

takyshu98

lw $t0, 0($s6)   # temp1 = Array[0]
lw $t1, 4($s6)   # temp2 = Array[1]
lw $t2, 16($s6)  # $t2 = Array[4]
sw $t2, 0($s6)   # Array[0] = $t2
sw $t0, 4($s6)   # Array[1] = $t0
lw $t3, 12($s6)  # $t3 = Array[3]
sw $t3, 16($s6)  # Array[4] = $t3
sw $t1, 12($s6)  # Array[3] = $t1
	

takyshu98

nor $t1, $t2, $zero

takyshu98

lw  $t2, 0($s1)  # $t2 = C[0]
sll $t1, $2, 4   # $t1 = $t2 << 4

takyshu98

        add  $t0,  $zero,  $zero  # $t0 = (i = 0)
Loop1:	slt  $t2,  $t0,    $s0    # $t2 = if(i < a) then 1 else 0
	beq  $t2,  $zero,  Exit   # if($t2 == 0) then jump to Exit
	add  $t1,  $zero,  $zero  # $t1 = (j = 0)
Loop2:	slt  $t2,  $t1,    $s1    # $t2 = if(j < b) then 1 else 0
	beq  $t2,  $zero,  Loop3  # if($t2 == 0) then jump to Loop3
	add  $t2,  $t0,    $t1    # $t2 = i + j
	sll  $t3,  $t1,    4      # $t3 = (j << 2) << 2 = (4 * j) * 4 (for word range)
	add  $t4,  $t3,    $s2    # $t4 = $t3 + &D[0]
	sw   $t2,  0($t4)         # D[4*j] = i + j

takyshu98

fib:
  	addi $sp, $sp,   -12   # create stack space
	sw   $a0, 8($sp)       # push $a0 to stack
	sw   $ra, 4($sp)       # push $ra to stack
	sw   $s0, 0($sp)       # push $s0 to stack
	slti $t0, $a0,   2     # if $a0 < 2 then $t0 = 1 else $t0 = 0
	beq  $t0, $zero, ELSE  # if $t0 == 0 goto ELSE
	addi $v0, $a0,   $zero # $v0 = $a0 + 0
	j    EXIT              # jump to EXIT
ELSE:	addi $a0, $a0,   -1    # $a0 = n - 1

takyshu98

fib(5):
	# fib(5)
	addi $sp, $sp,   -12    # create stack space
	sw   $a0, 8($sp)        # push $a0(5) to stack
	sw   $ra, 4($sp)        # push $ra to stack
	sw   $s0, 0($sp)        # push $s0 to stack
	addi $a0, $a0,   -1     # $a0 = n = 4
	# fib(5) -> fib(4)
	addi $sp, $sp,   -4     # create stack space
	sw   $a0, 0($sp)        # push $a0(4) to stack