Path: utzoo!attcan!uunet!ateng!tct!jim From: jim@tct.uucp (Jim Kunzman) Newsgroups: comp.os.os2 Subject: Re: Can you do graphics in OS/2 without using PM? Message-ID: <260F69C5.3FD6@tct.uucp> Date: 27 Mar 90 13:25:24 GMT References: <28236@cup.portal.com> <1990Mar25.014347.25497@caen.engin.umich.edu> <1838@cod.NOSC.MIL> Organization: ComDev/TCT, Sarasota, FL Lines: 14 According to bmarsh@cod.nosc.mil.UUCP (William C. Marsh): >There are VIO calls to put the screen into graphics mode, and also a call >to return the screen segment selector. If you are programming in the EGA/VGA >16 color modes, then you will also require IOPL to be YES (since we need >access to the bit mask register, etc.). But I would say there is documented >support for graphics calls under OS/2 without PM! True you can use VIO calls in OS/2 versions before 2.0. However, Version 2.0 (386 machines) has eliminated those calls. Perhaps they will add an OS/2 1.2 compatibility box when it's released! -- Jim Kunzman at ComDev/TCT , "!(This space intentionally left blank.)"