                  .include "zeropage.inc65"
                  .include "io.inc65"
                  .include "macros.inc65"

                  .export nmi_handler
                  .export irq_handler
                  .export irq_init

                  .code

irq_init:         
                  rts

nmi_handler:      
                  rti

irq_handler:      rti

