Re: Can you do graphics in OS/2 without using PM?

Article View: comp.os.os2

Article #424

#424

From: Jim Kunzman
Date: Tue, 27 Mar 1990 13:25

14 lines
1130 bytes

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     <jim@tct.uucp>, <uunet!ateng!tct!jim>
         "!(This space intentionally left blank.)"

Technical Details

Message-ID: <260F69C5.3FD6@tct.uucp>

Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ateng!tct!jim

References: <28236@cup.portal.com> <1990Mar25.014347.25497@caen.engin.umich.edu> <1838@cod.NOSC.MIL>

Show Full Headers

Complete Article Headers

Path: arc1-ca.pugleaf.net!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

Reply to Parent Message