Basic opcodes

set $I0, 42
set $N3, 3.14159
set $I1, $I0
set $I2, $N3
set $S0, "Ford"

add $I0, $I1
add $N0, $N11, $N13

sub $N0, $N1, 1.5

set $S0, "ab"
concat $S0, "cd"
length $I0, $S0

print $I0
print "\n"

substr $S1, $S0, 1, 2, "xyz"