Contents

#### Simple calculator ###

# Assign opcodes to add, sub and mul
define:
    li $5, 8    # add (1000)       
    li $6, 4    # sub (0100)
    li $7, 2    # mul(0010)

main:

    # Load from I/O to registers
    lesr $1, @0
    lesr $2, @1
    lesr $3, @2

    # Check input is add, sub or mul
    sub $4, $3, $5
    beqz op_add
    
    sub $4, $3, $6
    beqz op_sub
    
    sub $4, $3, $7
    beqz op_mul
    
    j main  # Infinite loop

op_add:

    add $4, $1, $2
    j store

op_sub:

    sub $4, $1, $2
    j store

op_mul:

    li $8, 1  # Count
    move $4, $0
    add $1, $1, $0  # IF $1==0 -> finish loop
    beqz store    

loop:

    add $4, $4, $2  # Repeat $1 times
    sub $1, $1, $8  
    bnez loop

store:

    # Store in I/O from register
    sesr @0, $4
    j main

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rips-0.1.1	examples/calc.rips
rips-0.1.0	examples/calc.rips