Alan B. Pearce wrote: > Well as he is using a 16F87x it is better to have it saved in the > 0x70-0x7f region where the same ram is shared between all banks. Then > it does not matter which bank you are in on interrupt entry. He's apparently using a 16F873 or 16F874. According to the datasheet, there is no shared ram between Bank 0 and Bank 1. I have wondered the same question about how to properly save context on these particular chips. michael brown -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics