Answer Happy

Question 4: Consider a hypothetical machine which can process 16-bits instruction and data. Each instruction can be further divided into 4 bit op code and 12 bits address reference. The internal registers it uses for instruction processing are PC, IR and AC. For the given instruction set and memory contents, show execution of instructions stored from address 0300 to 0303 according to Instruction Fetch & Execute cycle. [Marks: 10] Please answer all questions according to emu8086 Assembly Language (important) Op code: 0001b Op code: 0010b Op code: 010lb 0300 0301 0302 0303 Memory Address Contents 0440 0441 0442 0443 1440 5441 5442 2443 Load AC from memory Store AC to memory Add AC to memory 0002h 0003h 0001h 0000h M a ch A Instructions Data CPU Registers PC AC IR 0300 0000 0000