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Intel Processor Manuals - http://www.intel.com/design/archives/processors/
Official Intel Architecture Optimizations Manual, Intel Architecture Software Developer's Manual, Pentium Processor Family Developer's Manual. |
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Intel Assembler CodeTable 80x86 - Overview Mnemonics - http://www.jegerlehner.com/intel/
Short overview containing all instructions (transfer, arithmetic, logic, jumps), a diagram of the registers (EAX, EDX, ECX, EBX), demo program, fits to one single page, download, free |
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Win32 Assembler Coding Tutorial - http://deinmeister.de/wasmtute.htm
Covers MASM, TASM, NASM used with Win32, DirectX, multimedia. Especially for Games and Demos. Has sample code. |
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Barry Wilks' DOS INT 21h - DOS Function Codes - http://spike.scu.edu.au/~barry/interrupts.html
A quick reference list of DOS interrupts has been extracted from a large list compiled by Ralf Brown. |
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A20 - a pain from the past - http://www.win.tue.nl/~aeb/linux/kbd/A20.html
The various forms of A20 gate control. |