*** ERROR C231 IN LINE 47 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TR0': redefinition
*** ERROR C231 IN LINE 48 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE1': redefinition
*** ERROR C231 IN LINE 49 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IT1': redefinition
*** ERROR C231 IN LINE 50 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE0': redefinition
*** ERROR C231 IN LINE 51 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IT0': redefinition
*** ERROR C231 IN LINE 54 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EA': redefinition
*** ERROR C231 IN LINE 55 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ES': redefinition
*** ERROR C231 IN LINE 56 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ET1': redefinition
*** ERROR C231 IN LINE 57 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EX1': redefinition
*** ERROR C231 IN LINE 58 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ET0': redefinition
*** ERROR C231 IN LINE 59 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EX0': redefinition
*** ERROR C231 IN LINE 62 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PS': redefinition
*** ERROR C231 IN LINE 63 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PT1': redefinition
*** ERROR C231 IN LINE 64 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PX1': redefinition
*** ERROR C231 IN LINE 65 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PT0': redefinition
C51 COMPILER V6.12  LCD                                                                    09/13/2006 16:18:59 PAGE 4   

*** ERROR C231 IN LINE 66 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PX0': redefinition
*** ERROR C231 IN LINE 69 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RD': redefinition
*** ERROR C231 IN LINE 70 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'WR': redefinition
*** ERROR C231 IN LINE 71 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'T1': redefinition
*** ERROR C231 IN LINE 72 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'T0': redefinition
*** ERROR C231 IN LINE 73 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'INT1': redefinition
*** ERROR C231 IN LINE 74 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'INT0': redefinition
*** ERROR C231 IN LINE 75 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TXD': redefinition
*** ERROR C231 IN LINE 76 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RXD': redefinition
*** ERROR C231 IN LINE 79 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM0': redefinition
*** ERROR C231 IN LINE 80 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM1': redefinition
*** ERROR C231 IN LINE 81 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM2': redefinition
*** ERROR C231 IN LINE 82 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'REN': redefinition
*** ERROR C231 IN LINE 83 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TB8': redefinition
*** ERROR C231 IN LINE 84 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RB8': redefinition
*** ERROR C231 IN LINE 85 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TI': redefinition
*** ERROR C231 IN LINE 86 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RI': redefinition
*** ERROR C231 IN LINE 10 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P0': redefinition
*** ERROR C231 IN LINE 11 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P1': redefinition
*** ERROR C231 IN LINE 12 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P2': redefinition
*** ERROR C231 IN LINE 13 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P3': redefinition
*** ERROR C231 IN LINE 14 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PSW': redefinition
*** ERROR C231 IN LINE 15 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ACC': redefinition
*** ERROR C231 IN LINE 16 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'B': redefinition
*** ERROR C231 IN LINE 17 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SP': redefinition
*** ERROR C231 IN LINE 18 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'DPL': redefinition
*** ERROR C231 IN LINE 19 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'DPH': redefinition
*** ERROR C231 IN LINE 20 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PCON': redefinition
*** ERROR C231 IN LINE 21 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TCON': redefinition
*** ERROR C231 IN LINE 22 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TMOD': redefinition
*** ERROR C231 IN LINE 23 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TL0': redefinition
*** ERROR C231 IN LINE 24 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TL1': redefinition
*** ERROR C231 IN LINE 25 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TH0': redefinition
*** ERROR C231 IN LINE 26 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TH1': redefinition
*** ERROR C231 IN LINE 27 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE': redefinition
*** ERROR C231 IN LINE 28 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IP': redefinition
*** ERROR C231 IN LINE 29 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SCON': redefinition
*** ERROR C231 IN LINE 30 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SBUF': redefinition
*** ERROR C231 IN LINE 35 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'CY': redefinition
*** ERROR C231 IN LINE 36 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'AC': redefinition
*** ERROR C231 IN LINE 37 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'F0': redefinition
*** ERROR C231 IN LINE 38 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RS1': redefinition
*** ERROR C231 IN LINE 39 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RS0': redefinition
*** ERROR C231 IN LINE 40 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'OV': redefinition
*** ERROR C231 IN LINE 41 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P': redefinition
*** ERROR C231 IN LINE 44 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TF1': redefinition
*** ERROR C231 IN LINE 45 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TR1': redefinition
*** ERROR C231 IN LINE 46 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TF0': redefinition
*** ERROR C231 IN LINE 47 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TR0': redefinition
*** ERROR C231 IN LINE 48 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE1': redefinition
*** ERROR C231 IN LINE 49 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IT1': redefinition
*** ERROR C231 IN LINE 50 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE0': redefinition
*** ERROR C231 IN LINE 51 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IT0': redefinition
*** ERROR C231 IN LINE 54 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EA': redefinition
*** ERROR C231 IN LINE 55 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ES': redefinition
*** ERROR C231 IN LINE 56 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ET1': redefinition
*** ERROR C231 IN LINE 57 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EX1': redefinition
*** ERROR C231 IN LINE 58 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ET0': redefinition
*** ERROR C231 IN LINE 59 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EX0': redefinition
*** ERROR C231 IN LINE 62 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PS': redefinition
*** ERROR C231 IN LINE 63 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PT1': redefinition
*** ERROR C231 IN LINE 64 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PX1': redefinition
C51 COMPILER V6.12  LCD                                                                    09/13/2006 16:18:59 PAGE 5   

*** ERROR C231 IN LINE 65 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PT0': redefinition
*** ERROR C231 IN LINE 66 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PX0': redefinition
*** ERROR C231 IN LINE 69 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RD': redefinition
*** ERROR C231 IN LINE 70 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'WR': redefinition
*** ERROR C231 IN LINE 71 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'T1': redefinition
*** ERROR C231 IN LINE 72 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'T0': redefinition
*** ERROR C231 IN LINE 73 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'INT1': redefinition
*** ERROR C231 IN LINE 74 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'INT0': redefinition
*** ERROR C231 IN LINE 75 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TXD': redefinition
*** ERROR C231 IN LINE 76 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RXD': redefinition
*** ERROR C231 IN LINE 79 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM0': redefinition
*** ERROR C231 IN LINE 80 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM1': redefinition
*** ERROR C231 IN LINE 81 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM2': redefinition
*** ERROR C231 IN LINE 82 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'REN': redefinition
*** ERROR C231 IN LINE 83 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TB8': redefinition
*** ERROR C231 IN LINE 84 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RB8': redefinition
*** ERROR C231 IN LINE 85 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TI': redefinition
*** ERROR C231 IN LINE 86 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RI': redefinition
*** ERROR C231 IN LINE 10 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P0': redefinition
*** ERROR C231 IN LINE 11 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P1': redefinition
*** ERROR C231 IN LINE 12 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P2': redefinition
*** ERROR C231 IN LINE 13 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P3': redefinition
*** ERROR C231 IN LINE 14 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PSW': redefinition
*** ERROR C231 IN LINE 15 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ACC': redefinition
*** ERROR C231 IN LINE 16 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'B': redefinition
*** ERROR C231 IN LINE 17 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SP': redefinition
*** ERROR C231 IN LINE 18 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'DPL': redefinition
*** ERROR C231 IN LINE 19 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'DPH': redefinition
*** ERROR C231 IN LINE 20 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PCON': redefinition
*** ERROR C231 IN LINE 21 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TCON': redefinition
*** ERROR C231 IN LINE 22 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TMOD': redefinition
*** ERROR C231 IN LINE 23 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TL0': redefinition
*** ERROR C231 IN LINE 24 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TL1': redefinition
*** ERROR C231 IN LINE 25 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TH0': redefinition
*** ERROR C231 IN LINE 26 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TH1': redefinition
*** ERROR C231 IN LINE 27 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE': redefinition
*** ERROR C231 IN LINE 28 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IP': redefinition
*** ERROR C231 IN LINE 29 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SCON': redefinition
*** ERROR C231 IN LINE 30 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SBUF': redefinition
*** ERROR C231 IN LINE 35 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'CY': redefinition
*** ERROR C231 IN LINE 36 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'AC': redefinition
*** ERROR C231 IN LINE 37 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'F0': redefinition
*** ERROR C231 IN LINE 38 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RS1': redefinition
*** ERROR C231 IN LINE 39 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RS0': redefinition
*** ERROR C231 IN LINE 40 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'OV': redefinition
*** ERROR C231 IN LINE 41 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P': redefinition
*** ERROR C231 IN LINE 44 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TF1': redefinition
*** ERROR C231 IN LINE 45 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TR1': redefinition
*** ERROR C231 IN LINE 46 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TF0': redefinition
*** ERROR C231 IN LINE 47 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TR0': redefinition
*** ERROR C231 IN LINE 48 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE1': redefinition
*** ERROR C231 IN LINE 49 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IT1': redefinition
*** ERROR C231 IN LINE 50 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IE0': redefinition
*** ERROR C231 IN LINE 51 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'IT0': redefinition
*** ERROR C231 IN LINE 54 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EA': redefinition
*** ERROR C231 IN LINE 55 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ES': redefinition
*** ERROR C231 IN LINE 56 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ET1': redefinition
*** ERROR C231 IN LINE 57 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EX1': redefinition
*** ERROR C231 IN LINE 58 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ET0': redefinition
*** ERROR C231 IN LINE 59 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'EX0': redefinition
*** ERROR C231 IN LINE 62 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PS': redefinition
*** ERROR C231 IN LINE 63 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PT1': redefinition
C51 COMPILER V6.12  LCD                                                                    09/13/2006 16:18:59 PAGE 6   

*** ERROR C231 IN LINE 64 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PX1': redefinition
*** ERROR C231 IN LINE 65 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PT0': redefinition
*** ERROR C231 IN LINE 66 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PX0': redefinition
*** ERROR C231 IN LINE 69 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RD': redefinition
*** ERROR C231 IN LINE 70 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'WR': redefinition
*** ERROR C231 IN LINE 71 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'T1': redefinition
*** ERROR C231 IN LINE 72 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'T0': redefinition
*** ERROR C231 IN LINE 73 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'INT1': redefinition
*** ERROR C231 IN LINE 74 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'INT0': redefinition
*** ERROR C231 IN LINE 75 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TXD': redefinition
*** ERROR C231 IN LINE 76 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RXD': redefinition
*** ERROR C231 IN LINE 79 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM0': redefinition
*** ERROR C231 IN LINE 80 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM1': redefinition
*** ERROR C231 IN LINE 81 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SM2': redefinition
*** ERROR C231 IN LINE 82 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'REN': redefinition
*** ERROR C231 IN LINE 83 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TB8': redefinition
*** ERROR C231 IN LINE 84 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RB8': redefinition
*** ERROR C231 IN LINE 85 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TI': redefinition
*** ERROR C231 IN LINE 86 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'RI': redefinition
*** ERROR C231 IN LINE 10 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P0': redefinition
*** ERROR C231 IN LINE 11 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P1': redefinition
*** ERROR C231 IN LINE 12 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P2': redefinition
*** ERROR C231 IN LINE 13 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'P3': redefinition
*** ERROR C231 IN LINE 14 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PSW': redefinition
*** ERROR C231 IN LINE 15 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'ACC': redefinition
*** ERROR C231 IN LINE 16 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'B': redefinition
*** ERROR C231 IN LINE 17 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'SP': redefinition
*** ERROR C231 IN LINE 18 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'DPL': redefinition
*** ERROR C231 IN LINE 19 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'DPH': redefinition
*** ERROR C231 IN LINE 20 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'PCON': redefinition
*** ERROR C231 IN LINE 21 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TCON': redefinition
*** ERROR C231 IN LINE 22 OF D:\PROGRAM FILES\KEIL\C51\INC\REG51.H: 'TMOD': redefinition