3a_asm: init from http://hackage.haskell.org/package/assembler
drwxr-xr-x - 1_isacmp
drwxr-xr-x - 2_isa
drwxr-xr-x - 3_asmsim
drwxr-xr-x - 3a_asm
drwxr-xr-x - 3c_disasm
drwxr-xr-x - isasty