On Sat, 23 Oct 2021 11:33:33 -0500 Joe Monk <[email protected]> wrote:
:>Howdy, :>I know this will probably be an easy answer for somebody... but I dont deal :>with AM64 much. :>If Im in AM64 and I load an index register with -1, does the machine ignore :>the sign when using it in an RX instruction such as STC? :>I know it ignores the sign in AM24/31... As the address is modulo 64, adding is the same as subtracting the negative. Just make sure that you use a 64 bit instruction to load the -1. -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
