;;;;;;;;
;;; makes use of a designated function to add two numbers together
;;; uses a stack-based paradigm with a base pointer to manage argument passing

.data
        answer 0

.text
MAIN:
        addi $5 $2 0x0  ; establish frame pointer

        addi $6 $0 -11

        push $6
        jal SUB23
        pop $6
        store $6 answer($0)
        nop
        nop
        nop
        quot $0 $0 $0
SUB23:
        push $5         ; push old frame pointer
        addi $5 $2 0x0
        subi $2 $2 0x1

        addi $6 $0 -23
        store $6 -1($5)

        load $7 +1($5)  ; access argument
        load $6 -1($5)

        add  $6 $6 $7
        push $1         ; save off our old ret
        push $6
        jal ADD76
        pop $6          ; retrieve and pass along
        pop $1          ; restore our old ret
        store $6 +1($5)

        addi $2 $5 0x0  ; restore stack pointer
        pop $5          ; restore frame pointer
        ret
ADD76:
        push $5
        addi $5 $2 0x0
        subi $2 $2 0x1

        addi $6 $0 +76
        store $6 -1($5)

        load $7 +1($5)  ; access argument
        load $6 -1($5)

        add  $6 $6 $7
        store $6 +1($5)

        addi $2 $5 0x0
        pop $5
        ret
        nop
        nop
        nop
        nop