Article View: comp.os.os2.programmer
Article #1638Re: DOS driver under OS/2
From: Alan Ballard
Date: Thu, 15 Nov 1990 16:51
Date: Thu, 15 Nov 1990 16:51
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1342 bytes
In article <1990Nov15.160926.5036@cbnewsk.att.com> dez@cbnewsk.att.com (daniel.e.zuccarelli) writes: >However you must rewrite your drvier for OS/2, and it >must be a bi-modal (both real and protected mode) driver if you plan >on calling it from the DOS box (which runs in real mode). Supposedly, some DOS drivers can run unchanged, as long as you *only* call them from the DOS box. However, the constraints are such that few drivers are likely to make it... character mode only, no interrupt handler, (hardware) device cannot also be accessed in any way from prot mode. Alan Ballard | Internet: ballard@ucs.ubc.ca University Computing Services | Bitnet: USERAB1@UBCMTSG University of British Columbia | Phone: 604-228-3074 Vancouver B.C. Canada V6R 1W5 | Fax: 604-228-5116
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!van-bc!ubc-cs!cheddar.ucs.ubc.ca!ballard From: ballard@cheddar.ucs.ubc.ca (Alan Ballard) Newsgroups: comp.os.os2.programmer Subject: Re: DOS driver under OS/2 Keywords: device driver Message-ID: <10480@ubc-cs.UUCP> Date: 15 Nov 90 16:51:41 GMT References: <478@epicb.com> <1990Nov15.160926.5036@cbnewsk.att.com> Sender: news@cs.ubc.ca Reply-To: ballard@cheddar.ucs.ubc.ca (Alan Ballard) Distribution: na Organization: UBC Computing Centre, Vancouver, B.C., Canada Lines: 16