public MulticompMachine() throws Exception {
this.bus = new Bus(BUS_BOTTOM, BUS_TOP);
this.cpu = new Cpu();
this.ram = new Memory(MEMORY_BASE, MEMORY_BASE + MEMORY_SIZE - 1, false);
this.acia = new Acia6850(ACIA_BASE);
this.acia.setBaudRate(0);
this.sdController = new SdController(SD_BASE);
bus.addCpu(cpu);