taglinefilesource code
save_IER1812drivers/char/serial.cunsigned char save_MCR, save_IER, save_ICP=0;
save_IER1821drivers/char/serial.csave_IER = serial_inp(info, UART_IER);
save_IER1853drivers/char/serial.cserial_outp(info, UART_IER, save_IER);