// PORT Configuration 
#define PortAConfig 0x00
#define PortBConfig 0x00
#define PortCConfig 0x0f 
#define PortDConfig 0x00
#define PortEConfig 0x00




// USART Register bits
#define CSCR 7
#define TX9  6
#define TXEN 5
#define SYNC 4
#define BRGH 2
#define TRMT 1
#define TX9D 0
#define SPEN 7
#define RX9  6
#define SREN 5
#define CREN 4
#define ADDEN 3
#define FERR 2
#define OERR 1
#define RX9D 0  
  
#define TRMT_MASK 2

// Masks for PIR1
#define PSPIF_MASK 0x80
#define ADIF_MASK  0x40
#define RCIF_MASK  0x20  
#define TXIF_MASK  0x10

// Bits of PIE1
#define ADIE 6


// Port addresses
char PORTC@0x07;
char PORTD@0x08;
char PORTE@0x09;
 
// USART Registers
char TXREG@0x19;
char RCREG@0x1a;
char TXSTA@0x98;
char RCSTA@0x18;
char SPBRG@0x99;
                  
// Extra Ports on PIC16F877

char TRISC@0x87;
char TRISD@0x88;
char TRISE@0x89;


char PIE1@0x8c;
char PIE2@0x8d;

char PIR1@0x0c;
char PIR2@0x0d;
char PCON@0x8e;

// ADC registers;  
char ADCON0@0x1f;
char ADCON1@0x9f;
char ADRESH@0x1e;
char ADRESL@0x9e;


// Registers for I2C
char SSPSTAT@0x94;  // Bank 1
char SSPCON@0x14;   // Bank 0
char SSPCON2@0x91;  // Bank 1
char SSPBUF@0x13;   // I2C Buffer
char SSPADD@0x93;   // I2C Slave Address register

// Bits of SSPSTAT
#define SMP 7
#define CKE 6
#define D_A 5
#define P   4
#define S   3
#define R_W 2
#define R_W_MASK 0x04
#define UA  1
#define BF  0

// Bits of PIR1
#define PSPIF  7
#define ADIF   6
#define RCIF   5 
#define TXIF   4
#define SSPIF  3
#define SSPIF_MASK 0x08
#define CCP1IF 2
#define TMR2IF 1
#define TMR1IF 0  

// Bits of SSPCON2 

#define GCEN    7
#define ACKSTAT 6
#define ACKDT   5
#define ACKEN   4
#define RCEN    3
#define PEN     2
#define RSEN    1
#define SEN     0

// E2C Addresses

#define TRUE 1
#define True 1
#define FALSE 0
#define False 0
#define LCD_WIDTH 16
#define T0IF 2