protected short op_output_stream() {
zm.current_window.flush();
if (operands[0] == 3) {
zm.printmemory = operands[1] & 0xFFFF;
zm.memory_image[zm.printmemory] = (byte) 0;
zm.memory_image[zm.printmemory + 1] = (byte) 0;
} else if (operands[0] == 2) zm.header.set_transcripting(true);
else if (operands[0] == -2) zm.header.set_transcripting(false);
if (operands[0] > 0) zm.outputs[operands[0]] = true;
else zm.outputs[-operands[0]] = false;
return ZFALSE;
}
