/*--------------------------------------------------------------------------
REG51M.H

Header file for Philips 8xC51MA2 & 8xC51MB2 devices
Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.

Based on Objective Specification Sept 2, 2000.
Updated on Datasheet 2001 April 06, July 9, 2001(mh).
Added S1CON and S0CON bits, March 12, 2001(jw)
Updated on Datasheet 2001 Oct. 03, March 25, 2001(mh).
--------------------------------------------------------------------------*/

/*  BYTE Registers  */
sfr P0     = 0x80;
sfr P1     = 0x90;
sfr P2     = 0xA0;
sfr P3     = 0xB0;
sfr P4     = 0x1C0;
sfr PSW    = 0xD0;
sfr ACC    = 0xE0;
sfr B      = 0xF0;
sfr SP     = 0x81;
sfr DPL    = 0x82;
sfr DPH    = 0x83;
sfr PCON   = 0x87;
sfr TCON   = 0x88;
sfr TMOD   = 0x89;
sfr TL0    = 0x8A;
sfr TL1    = 0x8B;
sfr TH0    = 0x8C;
sfr TH1    = 0x8D;
sfr IE     = 0xA8;
sfr IEN0   = 0xA8;
sfr IEN1   = 0xE8;
sfr IP     = 0xB8;
sfr SCON   = 0x98;
sfr S0CON  = 0x98;
sfr SBUF   = 0x99;
sfr S0BUF  = 0x99;

/*  80C51Fx/Rx Extensions  */
sfr AUXR   = 0x8E;
sfr AUXR1  = 0xA2;
sfr S0ADDR = 0xA9;
sfr IPH    = 0xB7;
sfr S0ADEN = 0xB9;
sfr T2CON  = 0xC8;
sfr T2MOD  = 0xC9;
sfr RCAP2L = 0xCA;
sfr RCAP2H = 0xCB;
sfr TL2    = 0xCC;
sfr TH2    = 0xCD;
sfr CCON   = 0xD8;
sfr CMOD   = 0xD9;
sfr CCAPM0 = 0xDA;
sfr CCAPM1 = 0xDB;
sfr CCAPM2 = 0xDC;
sfr CCAPM3 = 0xDD;
sfr CCAPM4 = 0xDE;
sfr CL     = 0xE9;
sfr CCAP0L = 0xEA;
sfr CCAP1L = 0xEB;
sfr CCAP2L = 0xEC;
sfr CCAP3L = 0xED;
sfr CCAP4L = 0xEE;
sfr CH     = 0xF9;
sfr CCAP0H = 0xFA;
sfr CCAP1H = 0xFB;
sfr CCAP2H = 0xFC;
sfr CCAP3H = 0xFD;
sfr CCAP4H = 0xFE;

/* 80C51MA/MB Extensions */
sfr BRGR0  = 0x186;
sfr BRGR1  = 0x187;
sfr BRGCON = 0x185;
sfr EPL    = 0x1FC;
sfr EPM    = 0x1FD;
sfr EPH    = 0x1FE;
sfr MXCON  = 0x1FF;
sfr S0STAT = 0x18C;
sfr S1CON  = 0x180;
sfr S1BUF  = 0x181;
sfr S1ADDR = 0x182;
sfr S1ADEN = 0x183;
sfr S1STAT = 0x184;
sfr SPE    = 0x1FB;
sfr WDCON  = 0x18F;
sfr WDTRST = 0xA6;
sfr IP0    = 0xB8;
sfr IP1	   = 0xF8;
sfr IP0H   = 0xB7;
sfr IP1H   = 0xF7;
sfr SPSTAT = 0xE1;
sfr SPCTL  = 0xE2;
sfr SPDAT  = 0xE3;


/*  BIT Registers  */

/*  PSW   */
sbit CY   = PSW^7;
sbit AC   = PSW^6;
sbit F0   = PSW^5;
sbit RS1  = PSW^4;
sbit RS0  = PSW^3;
sbit OV   = PSW^2;
sbit P    = PSW^0;

/*  TCON  */
sbit TF1  = TCON^7;
sbit TR1  = TCON^6;
sbit TF0  = TCON^5;
sbit TR0  = TCON^4;
sbit IE1  = TCON^3;
sbit IT1  = TCON^2;
sbit IE0  = TCON^1;
sbit IT0  = TCON^0;

/*  IEN0   */
sbit EA   = IEN0^7;
sbit EC   = IEN0^6;
sbit ET2  = IEN0^5;
sbit ES   = IEN0^4;
sbit ET1  = IEN0^3;
sbit EX1  = IEN0^2;
sbit ET0  = IEN0^1;
sbit EX0  = IEN0^0;

/*  IEN1   */
sbit ESPI = IEN1^3;
sbit ES1T = IEN1^2;
sbit ES0T = IEN1^1;
sbit ES1  = IEN1^0;
sbit ES1R = IEN1^0;

/*  IP0   */ 
sbit PPC  = IP^6;
sbit PT2  = IP^5;
sbit PS   = IP^4;
sbit PT1  = IP^3;
sbit PX1  = IP^2;
sbit PT0  = IP^1;
sbit PX0  = IP^0;

/*  IP1   */ 
sbit PSPI  = IP1^3;
sbit PS1T  = IP1^2;
sbit PS0T  = IP1^1;
sbit PS1   = IP1^0;

/*  P3  */
sbit RD   = P3^7;
sbit WR   = P3^6;
sbit T1   = P3^5;
sbit T0   = P3^4;
sbit INT1 = P3^3;
sbit INT0 = P3^2;
sbit TXD  = P3^1;
sbit RXD  = P3^0;

/*  P1  */
sbit CEX4 = P1^7;
sbit CEX3 = P1^6;
sbit CEX2 = P1^5;
sbit CEX1 = P1^4;
sbit CEX0 = P1^3;
sbit ECI  = P1^2;
sbit T2EX = P1^1;
sbit T2   = P1^0;

/*  T2CON  */
sbit TF2   = T2CON^7;
sbit EXF2  = T2CON^6;
sbit RCLK  = T2CON^5;
sbit TCLK  = T2CON^4;
sbit EXEN2 = T2CON^3;
sbit TR2   = T2CON^2;
sbit C_T2  = T2CON^1;
sbit CP_RL2= T2CON^0;

/*  CCON  */
sbit CF    = CCON^7;
sbit CR    = CCON^6;
sbit CCF4  = CCON^4;
sbit CCF3  = CCON^3;
sbit CCF2  = CCON^2;
sbit CCF1  = CCON^1;
sbit CCF0  = CCON^0;


/*  S1CON  */
sbit FE_1   = S1CON^7;
sbit SM0_1  = S1CON^7; // alternatively "FE_1"
sbit SM1_1  = S1CON^6;
sbit SM2_1  = S1CON^5;
sbit REN_1  = S1CON^4;
sbit TB8_1  = S1CON^3;
sbit RB8_1  = S1CON^2;
sbit TI_1   = S1CON^1;
sbit RI_1   = S1CON^0;
             
/*  S0CON  */
sbit FE_0   = S0CON^7;
sbit SM0_0  = S0CON^7; // alternatively "FE_0"
sbit SM1_0  = S0CON^6;
sbit SM2_0  = S0CON^5;
sbit REN_0  = S0CON^4;
sbit TB8_0  = S0CON^3;
sbit RB8_0  = S0CON^2;
sbit TI_0   = S0CON^1;
sbit RI_0   = S0CON^0;
             
/*  SCON  */
sbit FE   = SCON^7;
sbit SM0  = SCON^7; // alternatively "FE"
sbit SM1  = SCON^6;
sbit SM2  = SCON^5;
sbit REN  = SCON^4;
sbit TB8  = SCON^3;
sbit RB8  = SCON^2;
sbit TI   = SCON^1;
sbit RI   = SCON^0;

/*  P4  */
sbit RXD1 = P4^0;
sbit TXD1 = P4^1;