vm8086

Intel 8086 instructions decoder. Takes a 8086 binary program and inputs its as an assembly representation. Basically a disassembler. Currently supports the following instructions in both 8-bit and 16-bit formats:

• MOV - register to register, register to memory, memory to register
• ADD - immediate to accumulator, register to memory, memory to register, register to register
• CMP - immediate with accumulator
• SUB - immediate from accumulator, register from memory, memory from register, register to register
• JUMP - including je, jz, jl, jnge, jle, jng, jb, jnae and others.
• LOOP - including loopz, loopnz and others.

Requirements

• UNIX system - MacOS, Linux

Usage

# you can take assembled program from /resources folder
# and supply it to the standard input of the program
cat /resources/<program> | vm8086
# assembly represenation will be printed to standard output

Resources

• Intel 8086 User Manual
• Course "Performance Aware Programming" by Casey Muratori