ocr: i i i I I m m m ii rr mmm This 16-bit field is present only if the instructpn is a 000 == special 00 - =AX 000=AX jump instruction or an operand 001 =or 01 == BX JU1=E BX isa me moryaddressing mode 010=and 10=CX 10=CX of the form [bx+xxxx), Ixxxxx) 011= = cmp 11 =L DX 011=DX oraconstant. 100 = sub 100= [BX] 101=add 101= == X0X+BX] 10=r movn reg, me m/reg/const 110= - [xoxx] 111= mov mem, reg 111=constant
