protected boolean execute(int address, String expectedOutput) {
boolean isSuccess = false;
Cpu cpu = computer.getCpu();
cpu.writeRegister(false, Cpu.PC, address);
long startTime = System.currentTimeMillis();
while ((System.currentTimeMillis() - startTime) < MAX_EXECUTION_TIME
|| terminal.getWrittenData().length() > Terminal.MAX_DATA_LENGTH) {
try {
cpu.executeNextOperation();
if (cpu.isHaltMode()) {
throw new IllegalStateException("HALT mode");
}
} catch (Exception e) {
e.printStackTrace();
fail(
"can't execute operation, PC: 0"
+ Integer.toOctalString(cpu.readRegister(false, Cpu.PC)));
}
if (expectedOutput.equals(terminal.getWrittenData())) {
isSuccess = true;
break;
}
}
return isSuccess;
}
/** @throws java.lang.Exception */
@Before
public void setUp() throws Exception {
computer = new Computer();
computer.setClockFrequency(Computer.CLOCK_FREQUENCY_BK0010);
workMemory = new RandomAccessMemory("TestWorkMemory", 0, 020000);
computer.addMemory(workMemory);
RandomAccessMemory videoMemory = new RandomAccessMemory("TestVideoMemory", 040000, 020000);
computer.addMemory(videoMemory);
computer.addMemory(new ReadOnlyMemory("TestReadOnlyMemory", 0100000, new byte[010000]));
terminal = new Terminal();
computer.addDevice(terminal);
computer.getCpu().setPswState(0);
computer.getCpu().writeRegister(false, Cpu.SP, 020000);
computer.getCpu().writeRegister(false, Cpu.PC, 4);
}