Path: utzoo!utgpu!watserv1!watmath!att!att!emory!wuarchive!zaphod.mps.ohio-state.edu!samsung!uunet!mcsun!hp4nl!dnlunx!dnlts!nugteren
From: nugteren@pttrnl.nl
Newsgroups: comp.sys.mac.programmer
Subject: How can I move the cursor with THINKC??
Message-ID: <55432.2723256d@pttrnl.nl>
Date: 22 Oct 90 15:59:25 GMT
Organization: PTT Research Neher Laboratories, The Netherlands
Lines: 13

I am writing a trackball driver that would allow connection of an MSDOS Mouse
(actually optical trackball) to a Mac II. One of the problems I have to solve
is how to change to cursor position on the screen from a software level.
I have found the addresses in RAM that contain the current cursor position
(0x830). But now I would like to know which routine to call to refresh the
screen. Does anyone know where this ROM routine starts??


I would appreciate any tips you might have!!

Thanks in advance,

Nils