File list (Check if you may need any files):
EX05_GPIO
.........\5509gpio.CS_
.........\............\FILE.CDX
.........\............\FILE.DBF
.........\............\FILE.FPT
.........\............\SYMBOL.CDX
.........\............\SYMBOL.DBF
.........\............\SYMBOL.FPT
.........\5509gpio.paf
.........\5509gpio.paf2
.........\5509gpio.pjt
.........\5509gpio.sbl
.........\c5509.gel
.........\cc_build_Debug.log
.........\csl5509x.lib
.........\Debug
.........\Debug.lkf
.........\Debug.lkv
.........\.....\5509gpio.map
.........\.....\5509gpio.out
.........\.....\gpio.obj
.........\gpio.c
.........\gpio.cmd
.........\gpio.wks
.........\rts55x.lib