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.text
.globl main
main:
# put 3 and 4 on the stack using the register $sp
subi $sp, $sp, 8
li $s0, 3
li $s1, 4
sw $s0, 0($sp)
sw $s1, 4($sp)
# call fee. You'll probably want to use the jal instruction to
# store the current address in $ra
jal fee
# load results from stack to registers
lw $a0, 0($sp)
addi $sp, $sp, 4
# print result
li $v0, 1
syscall
# exit
li $v0, 10
syscall
fee:
# copy a and b from stack to local registers
lw $s1, 4($sp)
lw $s0, 0($sp)
# add a and b
add $t0, $s1, $s0
# place result on stack
addi $sp, $sp, 4 # No need to keep $sp allocated for two words when we're just returning a result
sw $t0, 0($sp)
# return using jr instruction
jr $ra
# Start .data segment (data!)
.data
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