Dmitry Kiryashov wrote: > addr1: goto $ ; an endless loop > addr2: nop > > What happen after return from any interrupt service procedure (by > RETFIE or RETURN)? PC will be equal addr1 or addr2 ? Dmitry: Your code will function properly; after the RETURN or RETFIE, the PC will be equal to ADDR1. -Andy === Andrew Warren - fastfwd@ix.netcom.com === Fast Forward Engineering - Vista, California === === Custodian of the PICLIST Fund -- For more info, see: === http://www.geocities.com/SiliconValley/2499/fund.html