Computer Architecture.

Show program execution for each instruction. (Set the initial value of I/O device 5 to 0003)

#2.

Add instructions 1011 and 1100, which will allow you to transfer data to/from the stack. These instructions must take an address where data is stored.

15 Opcode Address (a) Instruction format 15 Magnitude (b) Integer format Program Counter (PC) = Address of instruction Instruction Register (IR) Instuction being executed Accumulator (AC) Temporary storage (c) Intenal CPU registers 0001 = Load AC from Memory 0010 = Store AC to Memory 0101 Add to AC from Memory (d) Partial list of opcodes This computer also has two I/O instructions 0011 Load AC from I/O 0111 = Store AC to I/O These instructions use a 12-bit address field to identify a particular I/O device. Show program execution for each instruction (using this format) for this code snippet. Memory CPU Registers 303 3005 304 5940 305 7006 PC AC IR 940 941 /O devices 15 Opcode Address (a) Instruction format 15 Magnitude (b) Integer format Program Counter (PC) = Address of instruction Instruction Register (IR) Instuction being executed Accumulator (AC) Temporary storage (c) Intenal CPU registers 0001 = Load AC from Memory 0010 = Store AC to Memory 0101 Add to AC from Memory (d) Partial list of opcodes This computer also has two I/O instructions 0011 Load AC from I/O 0111 = Store AC to I/O These instructions use a 12-bit address field to identify a particular I/O device. Show program execution for each instruction (using this format) for this code snippet. Memory CPU Registers 303 3005 304 5940 305 7006 PC AC IR 940 941 /O devices