%import textio
%import floats
%import syslib
%zeropage basicsafe

main {

    sub start() {

        ubyte[100] array

        memset(array, len(array)-1, 255)

        ubyte xx
        for xx in array {
            txt.print_ubhex(xx, false)
            txt.chrout(',')
        }
        txt.chrout('\n')

        testX()
    }

    asmsub testX() {
        %asm {{
            stx  _saveX
            lda  #13
            jsr  txt.chrout
            lda  #'x'
            jsr  txt.chrout
            lda  #'='
            jsr  txt.chrout
            lda  _saveX
            jsr  txt.print_ub
            lda  #' '
            jsr  txt.chrout
            lda  #'s'
            jsr  txt.chrout
            lda  #'p'
            jsr  txt.chrout
            lda  #'='
            jsr  txt.chrout
            tsx
            txa
            jsr  txt.print_ub
            lda  #13
            jsr  txt.chrout
            ldx  _saveX
            rts
_saveX   .byte 0
        }}
    }
}