Can anyone tell me why there are the following errors in my asembling programe? 1)where there is a RETI instruction and it belongs to an interrupt sequence actually. warning A80: 'INTERRUPT RETURN' IN NON INTERRUPT PROCEDURE 2)in a CALLS plus RETS sequence,there is an error as follow C167BK32.ASM(9770): warning A78: 'FAR RETURN' IN NON FAR PROCEDURE Thank you!