File list (Check if you may need any files):
51-74LS164 and 74LS165\PIO164_165
......................\PIO164_165.C
......................\PIO164_165.hex
......................\PIO164_165.lnp
......................\PIO164_165.LST
......................\PIO164_165.M51
......................\PIO164_165.OBJ
......................\PIO164_165.plg
......................\PIO164_165.uvopt
......................\PIO164_165.uvproj
......................\PIO164_165_uvopt.bak
......................\PIO164_165_uvproj.bak
......................\STARTUP.A51
......................\STARTUP.LST
......................\STARTUP.OBJ
51-74LS164 and 74LS165