[bits 32]
o32 mov ax, bx
o16 mov ax, bx
mov ax, bx

o32 mov eax, ebx
o16 mov eax, ebx
mov eax, ebx

[bits 16]
o32 mov ax, bx
o16 mov ax, bx
mov ax, bx

o32 mov eax, ebx
o16 mov eax, ebx
mov eax, ebx