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/*			- IO51.H -

   Special header for the 8051/52/31/32 processors.

   Version 4.00 [IANR]

*/

#pragma language=extended

/*===============================*/
/* Predefined SFR Byte Addresses */
/*===============================*/

sfr   P0	= 0x80;
sfr   P1	= 0x90;
sfr   P2	= 0xA0;
sfr   P3	= 0xB0;
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   IP	= 0xB8;
sfr   SCON	= 0x98;
sfr   SBUF	= 0x99;
sfr	  cwu0  = 0x20;      
sfr	  cwu1  = 0x21;
sfr	  cwi0  = 0x22;      
sfr	  cwi1  = 0x23;
sfr     cw0  = 0x24;       
sfr     cw1  = 0x25;
/********** For 8031 not needed ****************/
sfr   T2CON	= 0xC8;
sfr   T2MOD = 0xC9;
sfr   RCAP2L    = 0xCA;
sfr   RCAP2H    = 0xCB;
sfr   TL2	= 0xCC;
sfr   TH2	= 0xCD;                        

/*==============================*/
/* Predefined SFR Bit Addresses */
/*==============================*/

/*========PSW========*/

bit   CY	= 0xD7;
bit   AC	= 0xD6;
bit   F0	= 0xD5;
bit   RS1	= 0xD4;
bit   RS0	= 0xD3;
bit   OV	= 0xD2;
bit   P		= 0xD0;

/*========TCON=======*/

bit   TF1	= 0x8F;
bit   TR1	= 0x8E;
bit   TF0	= 0x8D;
bit   TR0	= 0x8C;
bit   IE1	= 0x8B;
bit   IT1	= 0x8A;
bit   IE0	= 0x89;
bit   IT0	= 0x88;

/*========IE=========*/

bit   EA	= 0xAF;
bit   ET2	= 0xAD;
bit   ES	= 0xAC;
bit   ET1	= 0xAB;
bit   EX1	= 0xAA;
bit   ET0	= 0xA9;
bit   EX0	= 0xA8;

/*========IP=========*/

bit   PT2	= 0xBD;
bit   PS	= 0xBC;
bit   PT1	= 0xBB;
bit   PX1	= 0xBA;
bit   PT0	= 0xB9;
bit   PX0	= 0xB8;

/*========P3=========*/

bit   RD	= 0xB7;
bit   WR	= 0xB6;
bit   T1	= 0xB5;
bit   T0	= 0xB4;
bit   INT1	= 0xB3;
bit   INT0	= 0xB2;
bit   TXD	= 0xB1;
bit   RXD	= 0xB0;

/*========SCON========*/

bit   SM0	= 0x9F;
bit   SM1	= 0x9E;
bit   SM2	= 0x9D;
bit   REN	= 0x9C;
bit   TB8	= 0x9B;
bit   RB8	= 0x9A;
bit   TI	= 0x99;
bit   RI	= 0x98;

/*========T2CON=======*/
/********** For 8031 not needed ****************/

bit   TF2	= 0xCF;
bit   EXF2	= 0xCE;
bit   RCLK	= 0xCD;
bit   TCLK	= 0xCC;
bit   EXEN2	= 0xCB;
bit   TR2	= 0xCA;
bit   C_T2	= 0xC9;
bit   CP_RL2    = 0xC8;    

/*==============================*/
/* Interrupt Vector Definitions */
/*==============================*/

interrupt [0x03] void EX0_int (void);	  /* External Interrupt 0 */

interrupt [0x0B] void T0_int (void);      /* Timer 0 Overflow */

interrupt [0x13] void EX1_int (void);	  /* External Interrupt 1 */

interrupt [0x1B] void T1_int (void);      /* Timer 1 Overflow */

interrupt [0x23] void SCON_int (void);    /* Serial Port */

interrupt [0x2B] void T2_int (void);      /* Timer 2 Overflow */

interrupt [0x2B] void T2EX_int (void);    /* Negative Transition on T2EX */