ref: fe896e5a49d5d6a1218f3389d2e6ca1a8b7c1228 dir: /as/target/x86/i386.dat/
# Tab 16, tabs 16, :set ts=16 # op args size bytes format EQU imm32 0 none equ NOP none 1 0x90 direct RET none 1 0xc3 direct