//------------------------------------------------------------------
// AT89x55.H
//
// Header file for Atmel 89x55 controller
// Copyright (c) 1988-1999 Keil Elektronik GmbH and Keil Software,Inc.
// All rights reserved.
//------------------------------------------------------------------

//  8051 core
sfr ACC    = 0xE0;
sfr B      = 0xF0;
sfr DPL    = 0x82;
sfr DPH    = 0x83;
sfr PSW    = 0xD0;
sfr SP     = 0x81;
sfr SCON   = 0x98;
sfr SBUF   = 0x99;
sfr IE     = 0xA8;
sfr IP     = 0xB8;
sfr TCON   = 0x88;
sfr TMOD   = 0x89;
sfr TL0    = 0x8A;
sfr TL1    = 0x8B;
sfr TH0    = 0x8C;
sfr TH1    = 0x8D;
sfr PCON   = 0x87;

//  Ports
sfr P0     = 0x80;
sfr P1     = 0x90;
sfr P2     = 0xA0;
sfr P3     = 0xB0;

//  Timer2
sfr T2CON  = 0xC8;
sfr T2MOD  = 0xC9;
sfr RCAP2H = 0xCB;
sfr RCAP2L = 0xCA;
sfr TH2    = 0xCD;
sfr TL2    = 0xCC;

// BIT Registers
// Port0
sbit P0_7  = P0^7;
sbit P0_6  = P0^6;
sbit P0_5  = P0^5;
sbit P0_4  = P0^4;
sbit P0_3  = P0^3;
sbit P0_2  = P0^2;
sbit P0_1  = P0^1;
sbit P0_0  = P0^0;

// Port1
sbit P1_7  = P1^7;
sbit P1_6  = P1^6;
sbit P1_5  = P1^5;
sbit P1_4  = P1^4;
sbit P1_3  = P1^3;
sbit P1_2  = P1^2;
sbit T2_EX = P1^1;
sbit T2    = P1^0;

// Port2
sbit P2_7  = P2^7;
sbit P2_6  = P2^6;
sbit P2_5  = P2^5;
sbit P2_4  = P2^4;
sbit P2_3  = P2^3;
sbit P2_2  = P2^2;
sbit P2_1  = P2^1;
sbit P2_0  = P2^0;

// Port3
sbit WR    = P3^7;
sbit RD    = 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;

// 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 F1    = PSW^1;
sbit P     = PSW^0;

// SCON
sbit SM0   = SCON^7;
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;

// IE
sbit EA    = IE^7;
sbit ET2   = IE^5;
sbit ES    = IE^4;
sbit ET1   = IE^3;
sbit EX1   = IE^2;
sbit ET0   = IE^1;
sbit EX0   = IE^0;

// IP
sbit PT2   = IP^5;
sbit PS    = IP^4;
sbit PT1   = IP^3;
sbit PX1   = IP^2;
sbit PT0   = IP^1;
sbit PX0   = IP^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;

// 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;