def main2():
instruction1 = BasicInstruction()
instruction2 = BasicInstruction()
memory = Memory()
memory.buildMemory(5)
frame1 = Frame(memory,0,1)
frame2 = Frame(memory,1,2)
frame3 = Frame(memory,3,1)
frame4 = Frame(memory,4,1)
mmu = MMU()
mmu.fullFrames.append(frame1)
mmu.fullFrames.append(frame3)
mmu.emptyFrames.append(frame2)
mmu.emptyFrames.append(frame4)
program = Program('a')
program.addInstruction(instruction1)
pcbA = PCB('a',0,0,1)
programb = Program('b')
pcbB = PCB('b',0,3,1)
programb.addInstruction(instruction1)
frame1.load(pcbA,program)
frame3.load(pcbB,programb)
memory.printMemory()
print(memory.getEmptyCells())
mmu.compact()
memory.printMemory()
