Introduction - If you have any usage issues, please Google them yourself
SCON = 0x50 /* SCON: mode 1, 8-bit UART, enable rcvr */
TMOD |= 0x20 /* TMOD: timer 1, mode 2, 8-bit reload */
TH1 = 221 /* TH1: reload value for 1200 baud @ 16MHz */
TR1 = 1 /* TR1: timer 1 run */
TI = 1 /* TI: set TI to send first char of UART */