Path: utzoo!mnetor!uunet!husc6!cca!mirror!datacube!stephen
From: stephen@datacube.UUCP
Newsgroups: comp.sys.m68k
Subject: Re: I've heard of disclaimers but this
Message-ID: <105700007@datacube>
Date: 16 Dec 87 16:15:00 GMT
References: <7006@apple.UUCP>
Lines: 19
Nf-ID: #R:apple.UUCP:-700600:datacube:105700007:000:578
Nf-From: datacube.UUCP!stephen    Dec 16 11:15:00 1987


Exception stack frames start of with 4 words in common:

    The SR, PC, and Vector Offset word.
    The upper 4 bits of the Vector Offset word describe the type
    as follows:

    0000	Short Format
    0001	Throwaway
    0010	Instruction Exception
    0011 - 0111 Undefined, Reserved
    1000	MC68010 Bus Fault
    1001	Coprocessor mid-instruction
    1010	MC68020 Short bus fault
    1011	MC68020 Long Bus faul
    1100-1111	Undefined, Reserved

Stephen Watkins                    UUCP: ihnp4!datacube!stephen
Datacube Inc.; 4 Dearborn Rd.; Peabody, Ma. 01960; 617-535-6644