%import textio
%zeropage basicsafe
%option no_sysinit

main {
    sub start() {
        signed()
        unsigned()
    }

    sub signed() {
        byte @shared bvalue = -100
        word @shared wvalue = -20000

        bvalue /= 2     ; TODO should be a simple bit shift?
        wvalue /= 2     ; TODO should be a simple bit shift?

        txt.print_b(bvalue)
        txt.nl()
        txt.print_w(wvalue)
        txt.nl()

        bvalue *= 2
        wvalue *= 2

        txt.print_b(bvalue)
        txt.nl()
        txt.print_w(wvalue)
        txt.nl()
    }

    sub unsigned() {
        ubyte @shared ubvalue = 100
        uword @shared uwvalue = 20000

        ubvalue /= 2
        uwvalue /= 2

        txt.print_ub(ubvalue)
        txt.nl()
        txt.print_uw(uwvalue)
        txt.nl()

        ubvalue *= 2
        uwvalue *= 2

        txt.print_ub(ubvalue)
        txt.nl()
        txt.print_uw(uwvalue)
        txt.nl()
    }
}