Article View: comp.os.msdos.programmer
Article #7249Re: byte vs word movs
From: Duncan Murdoch
Date: Sat, 22 Jun 1991 17:05
Date: Sat, 22 Jun 1991 17:05
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1236 bytes
In article <ysyw42w164w@bluemoon.uucp> andy@bluemoon.uucp (Andy Vaught) writes: >storm@cs.mcgill.ca (Marc WANDSCHNEIDER) writes: >> SECTOR DB 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 ... >> MOV DX, SECTOR[BX] >> >The above is perfectly legal. The problem is convincing MASM of its >legality. You might need an "OFFSET" keyword before "SECTOR". I don't >know, I use Turbo Assembler, which has much more rational syntax. What does it do? The instruction looks ambiguous to me, since DX is word sized and SECTOR[BX] is byte sized. Does TASM move a word (i.e 0B0A if BX=0)? That's probably not what was intended... Duncan Murdoch dmurdoch@watstat.waterloo.edu
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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!news.cs.indiana.edu!maytag!watstat.waterloo.edu!dmurdochReferences:
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Newsgroups: comp.os.msdos.programmer Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!sdd.hp.com!news.cs.indiana.edu!maytag!watstat.waterloo.edu!dmurdoch From: dmurdoch@watstat.waterloo.edu (Duncan Murdoch) Subject: Re: byte vs word movs Message-ID: <1991Jun22.170522.3008@maytag.waterloo.edu> Sender: news@maytag.waterloo.edu (News Owner) Organization: University of Waterloo References: <1991Jun21.031758.11264@cs.mcgill.ca> <ysyw42w164w@bluemoon.uucp> Date: Sat, 22 Jun 1991 17:05:22 GMT Lines: 16