In general, upper 4 bits of Machine Instruction are assigned to an OP(eration) code and lower 12-bits the Operand which points to a location of the memory. Here we look at "INJ [Address]" instruction in detail.

Machine Instruction: 1011 1110 0010 1011
Assembly Instruction: INJ [E2Bh]
Description: Unconditional jump to the memory address which is stored in E2B(hex)

The sequence of operations to be performed in Execution Cycle:
Note: A modification (*)-(**) is made to implement our circuits in LogicWorks4.
(*) Remove this signal and move it here (**).

Subcycle	HDL	Note
T7 in Fetch Cycle	E_CYCLE	Set State Flip-Flop to Execute(1)
T0	MAR<-IR[0..11]	copy IR(D0..11) to MAR
T1	(*)[READ_MEM]	(*)[activate READ_MEM]
T2
T3
T4	(**)[Output/Enable,]PC<-MBR	(**)[activate Output/Enable,]copy MBR to PC
T5
T6
T7	F_CYCLE	Reset State Flip-Flop to 0(F_CYCLE)