[Nasm-bugs] [Bug 3392553] Write source for AND but NASM produces ADD
noreply-nasm at gorcunov.org
noreply-nasm at gorcunov.org
Tue Feb 5 10:05:12 PST 2019
https://bugzilla.nasm.us/show_bug.cgi?id=3392553
--- Comment #6 from stoochie at dalekeller.net ---
You guys are absolutely right. The funny thing is that my 3 ancient reference
books (2 from Intel, 1 from Borland) for the 8086 and the 80186 don't show the
0x83 opcode for AND. At least one online reference also doesn't show it
(http://ref.x86asm.net/). And those were the first 4 places I looked. I even
verified that the 0x83 instruction works correctly on a real 8088 CPU. I
apologize for the bug report, since the bug was my misunderstanding and Intel's
bad data. Thanks for your patience.
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