Files:-

80x86.txt    -   8086/88/186/188/286/386/486/Pentium Instruction Set
                 OpCodes  

80x86.html   -   Same as above only in html for viewing in browser.

asm_ref.html -   Intel 80X86 ASSEMBLY LANGUAGE OPCODES. All op-codes
                 are indexed and hyper-linked for ease in searching.