Article View: comp.sys.intel
Article #1746Re: Raiders of the lost opcodes of the 80386
From: Richard Hargrove
Date: Sat, 16 Jul 1988 13:06
Date: Sat, 16 Jul 1988 13:06
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1120 bytes
In article <4071@korppi.tut.fi>, jja@tut.fi (Ahola Jari) writes:
> What has happened to 80386's opcodes IBTS and XBTS (insert and extract
> bit streams) ? MASM 5.0 regocnises the opcodes, but doesn't generate the
> right code. Has this been fixed in MASM 5.X or are these opcodes no longer
> supported in 80386?
First, these mnemonics are not documented in Intel's _80386 Programmer's
Reference Manual_. I checked both chapter 17, "80386 Instruction Set",
and Appendix A, Opcode Map. So my question is: What opcodes are supposed to
be the correct ones for the above instructions?
richard hargrove
...!{ihnp4 | codas | cbosgd}!killer!richardh
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-lcc!ames!killer!richardh From: richardh@killer.UUCP (Richard Hargrove) Newsgroups: comp.sys.intel,comp.sys.ibm.pc Subject: Re: Raiders of the lost opcodes of the 80386 Summary: these are not Intel mnemonics Message-ID: <4814@killer.UUCP> Date: 16 Jul 88 13:06:20 GMT References: <4071@korppi.tut.fi> Organization: The Unix(R) Connection, Dallas, Texas Lines: 13