In a message dated 12/14/2006 2:57:41 P.M. Central Standard Time, [EMAIL PROTECTED] writes:
>There is nothing valid about a ST R7,7 instruction; that says "store the contents of R7 into location 7 of memory"; this is protected storage; and it is an odd address. All true, except the OP also said he got a S0C1. The ST instruction would produce a program interrupt, but not an invalid operation code interrupt. The OP is obviously misreading something. We need much more info from him. Bill Fairchild ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
