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This is a modified version of NASM, modified and released by H. Peter
Anvin <hpa@zytor.com>; it is not the original form released by the
NASM authors.
For release 0.98p3.5:
* Merged in changes from John S. Fine's 0.98-J5 release. John's based
0.98-J5 on my 0.98p3.3 release; this merges the changes.
* Expanded the instructions flag field to a long so we can fit more
flags; mark SSE (KNI) and AMD or Katmai-specific instructions as
such.
* Fix the "PRIV" flag on a bunch of instructions, and create new
"PROT" flag for protected-mode-only instructions (orthogonal to if
the instruction is privileged!) and new "SMM" flag for SMM-only
instructions.
* Added AMD-only SYSCALL and SYSRET instructions.
* Make SSE actually work, and add new Katmai MMX instructions.
* Added a -p (preferred vendor) option to ndisasm so that it can
distinguish e.g. Cyrix opcodes also used in SSE. For example:
ndisasm -p cyrix aliased.bin
00000000 670F514310 paddsiw mm0,[ebx+0x10]
00000005 670F514320 paddsiw mm0,[ebx+0x20]
ndisasm -p intel aliased.bin
00000000 670F514310 sqrtps xmm0,[ebx+0x10]
00000005 670F514320 sqrtps xmm0,[ebx+0x20]
* Added a bunch of Cyrix-specific instructions.
For release 0.98p3.4:
* Made at least an attempt to modify all the additional Makefiles (in
the Mkfiles directory). I can't test it, but this was the best I
could do.
* DOS DJGPP+"Opus Make" Makefile from John S. Fine.
* changes.asm changes from John S. Fine.
For release 0.98p3.3:
* Patch from Conan Brink to allow nesting of %rep directives.
* If we're going to allow INT01 as an alias for INT1/ICEBP (one of
Jules 0.98p3 changes), then we should allow INT03 as an alias for INT3
as well.
* Updated changes.asm to include the latest changes.
* Tried to clean up the <CR>s that had snuck in from a DOS/Windows
environment into my Unix environment, and try to make sure than
DOS/Windows users get them back.
* We would silently generate broken tools if insns.dat wasn't sorted
properly. Change insns.pl so that the order doesn't matter.
* Fix bug in insns.pl (introduced by me) which would cause conditional
instructions to have an extra "cc" in disassembly, e.g. "jnz"
disassembled as "jccnz".
For release 0.98p3.2:
* Merged in John S. Fine's changes from his 0.98-J4 prerelease; see
http://www.csoft.net/cz/johnfine/
* Changed previous "spotless" Makefile target (appropriate for distribution)
to "distclean", and added "cleaner" target which is same as "clean"
except deletes files generated by Perl scripts; "spotless" is union.
* Removed BASIC programs from distribution. Get a Perl interpreter
instead (see below.)
* Calling this "pre-release 3.2" rather than "p3-hpa2" because of
John's contributions.
* Actually link in the IEEE output format (zoutieee.c); fix a bunch of
compiler warnings in that file. Note I don't know what IEEE output
is supposed to look like, so these changes were made "blind".
For release 0.98p3-hpa:
* Merged nasm098p3.zip with nasm-0.97.tar.gz to create a fully
buildable version for Unix systems (Makefile.in updates, etc.)
* Changed insns.pl to create the instruction tables in nasm.h and
names.c, so that a new instruction can be added by adding it *only*
to insns.dat.
* Added the following new instructions: SYSENTER, SYSEXIT, FXSAVE,
FXRSTOR, UD1, UD2 (the latter two are two opcodes that Intel
guarantee will never be used; one of them is documented as UD2 in
Intel documentation, the other one just as "Undefined Opcode" --
calling it UD1 seemed to make sense.)
* MAX_SYMBOL was defined to be 9, but LOADALL286 and LOADALL386 are 10
characters long. Now MAX_SYMBOL is derived from insns.dat.
* A note on the BASIC programs included: forget them. insns.bas is
already out of date. Get yourself a Perl interpreter for your
platform of choice at:
http://www.cpan.org/ports/index.html
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