On Mon, 20 Oct 2008 22:00:00 -0500, Paul Gilmartin <[EMAIL PROTECTED]> wrote:
>... >>>I thought 31-bit was for compatibility with existing exploitation >>>of the sign bit; ... >> >>Nope, it was the use of a X'80' in the high-order byte of a fullword to >>terminate a variable-length parameter list (of fullwords). >> >"Nope"? Where do you perceive us to be in disagreement? >... There's a slight semantic difference. "Sign" vs. "flag". Two different uses of the same high order bit, neither of which is compatable with a 32 bit address. Pat O'Keefe ---------------------------------------------------------------------- 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
