Path: utzoo!utgpu!news-server.csri.toronto.edu!torsqnt!jtsv16!gil From: gil@jts.com (gil) Newsgroups: sci.electronics Subject: MC68705 stack question Message-ID: <1990Sep12.145331.6233@jts.com> Date: 12 Sep 90 14:53:31 GMT Distribution: na Organization: Tech Noir Inc., Toronto, Canada Lines: 20 I am currently working with the Motorola 68705 uP and have noticed the absence of stack operation instructions (push/pop etc.). Does anyone have any ideas about gaining access to the stack pointer, i.e. is it shadowed in RAM somewhere or are there any undocumented op-codes to do this? +-----------------------------+-------------------------------------------+ | Gil Hauer, Tech Noir Inc. | gil@jtsv16.jts.com | | Toronto +1 416 653-8276 | or: uunet!jtsv16!gil | +-----------------------------+-------------------------------------------+ Opinions expressed herein are solely my own and any resemblance to those of my employers or clients (living or dead) is purely coincidental. -- +-----------------------------+-------------------------------------------+ | Gil Hauer, Tech Noir Inc. | gil@jtsv16.jts.com | | Toronto +1 416 653-8276 | or: uunet!jtsv16!gil | +-----------------------------+-------------------------------------------+