arghachak

Design the instruction format of a system with the following structure i.16 registers ii.16 word addressable memory of 64KB which is to be extended with a second module of same capacity iii.Seven instructions with one memory address and one register,31 two register address ,7 instructions with one register address and 10 instruction with 0 address.Specify the format of each group of instructions.Do you like to have any NOP?justify