no 1
http://www.picbasic.co.uk/forum/showthread.php?t=19594
no 2
OSCCON = 110010 ' Set internal 8Mhz OSC




Define OSC 16
what is it 8 or 16 ?

no 3
'Configuration
DEFINE FOSC INTIO67
that's not a configuration , it does nothing


no 4
hserin2 100, main, [hex char2]
main does not exist in the snippet , who knows what goes on there

no 5

given that hserin2 does infact work correctly when used correctly , the fault probably lies in the code not shown