Opcodes Instruction Opcode Instruction Opcode Instruction Opcode ADD 00000000 OR 00000100 Bcc 00001000 SUB 00000001 MOV 00000101 HLT 00001001 NOT 00000010 LD 00000110 AND 00000011 ST 00000111

Part II: Hand Assemble Translate the following program into hexadecimal form, and put it in a file named prog2 with the same format as the le prog. Run the simulator by [python3] sim.py [-d] prog2 Write down the nal result stored in P. What does the program do?

LD P0, R4 LD P1, R1 LD P2, R2 LD P3, R3 L: ADD R4, R2, R4 SUB R3, R1, R3 BNZ L ST R4, P HLT P0: .WORD 0 P1: .WORD 1 P2: .WORD 5 P3: .WORD 4 P: .WORD A working simulator (executable pyc le only, without source code) is given to you, so that you can complete this part using this program, if your simulator in Part I is not working.

I want to know --> Write down the nal result stored in P. What does the program do?