Re-implement Classical DEBUG.EXE Program in MSDOS

Quick Start

$ make
$ ./debug

Links

• http://thestarman.pcministry.com/asm/debug/debug.htm
• https://en.wikibooks.org/wiki/X86_Assembly/Machine_Language_Conversion
• https://en.wikipedia.org/wiki/X86_instruction_listings
• http://aturing.umcs.maine.edu/~meadow/courses/cos335/8086-instformat.pdf
• http://www.ee.hacettepe.edu.tr/~alkar/ELE414/dirz2005/w3-414-[2005].pdf