
#ifndef	_HTC_H_
#warning Header file 87c51mx2.h included directly. Use #include <htc.h> instead.
#endif

/* This is a header file for the Philips Microcontrollers
	P87C51MB2
	P87C51MC2
 */

#ifndef __87C51MX2_H
#define __87C51MX2_H


typedef struct {
	unsigned B7:1; //This is the most signifigant bit
	unsigned B6:1;
	unsigned B5:1;
	unsigned B4:1;
	unsigned B3:1;
	unsigned B2:1;
	unsigned B1:1;
	unsigned B0:1;
}	SFR_BITS;

//Special Function Registers
static volatile unsigned char P0	@ 0x80;
static volatile unsigned char SP	@ 0x81;
static volatile unsigned char DPL	@ 0x82;
static volatile unsigned char DPH	@ 0x83;
// 16 bit definition
static volatile unsigned char PCON	@ 0x87;
static volatile unsigned char TCON	@ 0x88;
static		unsigned char TMOD	@ 0x89;
static volatile unsigned char TL0	@ 0x8A;
static volatile unsigned char TL1	@ 0x8B;
static volatile unsigned char TH0	@ 0x8C;
static volatile unsigned char TH1	@ 0x8D;
static		unsigned char AUXR	@ 0x8E;
static volatile unsigned char P1	@ 0x90;
static volatile unsigned char S0CON	@ 0x98;
static volatile unsigned char S0BUF	@ 0x99;
static volatile unsigned char P2	@ 0xA0;
static volatile unsigned char AUXR1	@ 0xA2;
static		unsigned char WDTRST	@ 0xA6;
static		unsigned char IEN0	@ 0xA8;
static		unsigned char S0ADDR	@ 0xA9;
static volatile unsigned char P3	@ 0xB0;
static		unsigned char IP0H	@ 0xB7;
static		unsigned char IP0	@ 0xB8;
static		unsigned char S0ADEN	@ 0xB9;
static volatile unsigned char P4	@ 0xC0;
static volatile unsigned char T2CON	@ 0xC8;
static		unsigned char T2MOD	@ 0xC9;
static volatile unsigned char RCAP2L	@ 0xCA;
static volatile unsigned char RCAP2H	@ 0xCB;
static volatile unsigned char TL2	@ 0xCC;
static volatile unsigned char TH2	@ 0xCD;
static volatile unsigned char PSW	@ 0xD0;
static volatile unsigned char CCON	@ 0xD8;
static		unsigned char CMOD	@ 0xD9;
static		unsigned char CCAPM0	@ 0xDA;
static		unsigned char CCAPM1	@ 0xDB;
static		unsigned char CCAPM2	@ 0xDC;
static		unsigned char CCAPM3	@ 0xDD;
static		unsigned char CCAPM4	@ 0xDE;
static volatile unsigned char ACC	@ 0xE0;
static volatile unsigned char SPCFG	@ 0xE1;
static volatile unsigned char SPCTL	@ 0xE2;
static volatile unsigned char SPDAT	@ 0xE3;
static		unsigned char IEN1	@ 0xE8;
static volatile unsigned char CL	@ 0xE9;
static volatile unsigned char CCAP0L	@ 0xEA;
static volatile unsigned char CCAP1L	@ 0xEB;
static volatile unsigned char CCAP2L	@ 0xEC;
static volatile unsigned char CCAP3L	@ 0xED;
static volatile unsigned char CCAP4L	@ 0xEE;
static volatile unsigned char B		@ 0xF0;
static		unsigned char IP1H	@ 0xF7;
static		unsigned char IP1	@ 0xF8;
static volatile unsigned char CH	@ 0xF9;
static volatile unsigned char CCAP0H	@ 0xFA;
static volatile unsigned char CCAP1H	@ 0xFB;
static volatile unsigned char CCAP2H	@ 0xFC;
static volatile unsigned char CCAP3H	@ 0xFD;
static volatile unsigned char CCAP4H	@ 0xFE;

static volatile SFR_BITS P0_BITS		@ 0x80;
static volatile SFR_BITS PCON_BITS		@ 0x87;
static volatile SFR_BITS TCON_BITS		@ 0x88;
static		SFR_BITS TMOD_BITS		@ 0x89;
static		SFR_BITS AUXR_BITS		@ 0x8E;
static volatile SFR_BITS P1_BITS		@ 0x90;
static volatile SFR_BITS S0CON_BITS		@ 0x98;
static volatile SFR_BITS P2_BITS		@ 0xA0;
static volatile SFR_BITS AUXR1_BITS		@ 0xA2;
static		SFR_BITS IEN0_BITS		@ 0xA8;
static volatile SFR_BITS P3_BITS		@ 0xB0;
static		SFR_BITS S0ADEN_BITS		@ 0xB9;
static volatile SFR_BITS T2CON_BITS		@ 0xC8;
static		SFR_BITS T2MOD_BITS		@ 0xC9;
static volatile SFR_BITS PSW_BITS		@ 0xD0;
static volatile SFR_BITS CCON_BITS		@ 0xD8;
static		SFR_BITS CMOD_BITS		@ 0xD9;
static		SFR_BITS CCAPM0_BITS		@ 0xDA;
static		SFR_BITS CCAPM1_BITS		@ 0xDB;
static		SFR_BITS CCAPM2_BITS		@ 0xDC;
static		SFR_BITS CCAPM3_BITS		@ 0xDD;
static		SFR_BITS CCAPM4_BITS		@ 0xDE;
static volatile SFR_BITS ACC_BITS		@ 0xE0;
static volatile SFR_BITS SPCFG_BITS		@ 0xE1;
static volatile SFR_BITS SPCTL_BITS		@ 0xE2;
static		SFR_BITS IEN1_BITS		@ 0xE8;
static volatile SFR_BITS CL_BITS		@ 0xE9;
static volatile SFR_BITS B_BITS			@ 0xF0;
static		SFR_BITS IP1H_BITS		@ 0xF7;
static		SFR_BITS IP1_BITS		@ 0xF8;
static volatile SFR_BITS CH_BITS		@ 0xF9;

/* A defintion for the escape sequence required to access
 * the MX's additional SFRs. */
#define MXE() asm("db 0xA5")
// The following are the 51MX's extended SFRs
static volatile unsigned char S1CON	@ 0x80;
static volatile unsigned char S1BUF	@ 0x81;
static		unsigned char S1ADDR	@ 0x82;
static		unsigned char S1ADEN	@ 0x83;
static volatile unsigned char S1STAT	@ 0x84;
static		unsigned char BRGCON	@ 0x85;
static		unsigned char BRGR0	@ 0x86;
static		unsigned char BRGR1	@ 0x87;
static volatile unsigned char S0STAT	@ 0x8C;
static		unsigned char WDCON	@ 0x8F;
static volatile unsigned char SPE	@ 0xFB;
static volatile unsigned char EPL	@ 0xFC;
static volatile unsigned char EPM	@ 0xFD;
static volatile unsigned char EPH	@ 0xFE;
static volatile unsigned char MXCON	@ 0xFF;
// The following are the 51MX's extended SFRs
static volatile SFR_BITS S1CON_BITS		@ 0x80;
static		SFR_BITS S1ADEN_BITS		@ 0x83;
static volatile SFR_BITS S1STAT_BITS		@ 0x84;
static		SFR_BITS BRGCON_BITS		@ 0x85;
static volatile SFR_BITS S0STAT_BITS		@ 0x8C;
static		SFR_BITS WDCON_BITS		@ 0x8F;
static volatile SFR_BITS P4_BITS		@ 0xC0;
static volatile SFR_BITS MXCON_BITS		@ 0xFF;


//Bit Addressable Locations
//Port 0 P0
static volatile bit	P00	@ 0x80;
static volatile bit	P01	@ 0x81;
static volatile bit	P02	@ 0x82;
static volatile bit	P03	@ 0x83;
static volatile bit	P04	@ 0x84;
static volatile bit	P05	@ 0x85;
static volatile bit	P06	@ 0x86;
static volatile bit	P07	@ 0x87;
// Alternate Functions
static volatile bit	AD0	@ 0x80;
static volatile bit	AD1	@ 0x81;
static volatile bit	AD2	@ 0x82;
static volatile bit	AD3	@ 0x83;
static volatile bit	AD4	@ 0x84;
static volatile bit	AD5	@ 0x85;
static volatile bit	AD6	@ 0x86;
static volatile bit	AD7	@ 0x87;

//Serial Control 1 S1CON is a 51MX extended SFR
static volatile bit 	RI_1	@ 0x80;
static volatile bit 	TI_1	@ 0x81;
static volatile bit 	RB8_1 	@ 0x82;
static 		bit 	TB8_1 	@ 0x83;
static 		bit 	REN_1 	@ 0x84;
static 		bit 	SM2_1 	@ 0x85;
static 		bit 	SM1_1 	@ 0x86;
static 		bit 	SM0_1 	@ 0x87;
// Alternate Function
static 		bit 	FE_1 	@ 0x87;

//Timer Control TCON
static 		bit	IT0	@ 0x88;
static volatile bit	IE0	@ 0x89;
static 		bit	IT1	@ 0x8A;
static volatile bit	IE1	@ 0x8B;
static 		bit	TR0	@ 0x8C;
static volatile bit	TF0	@ 0x8D;
static 		bit	TR1	@ 0x8E;
static volatile bit	TF1	@ 0x8F;

//Port 1 P1
static volatile bit	P10	@ 0x90;
static volatile bit	P11	@ 0x91;
static volatile bit	P12	@ 0x92;
static volatile bit	P13	@ 0x93;
static volatile bit	P14	@ 0x94;
static volatile bit	P15	@ 0x95;
static volatile bit	P16	@ 0x96;
static volatile bit	P17	@ 0x97;
// Alternate Functions
static volatile bit	T2	@ 0x90;
static volatile bit	T2EX	@ 0x91;
static volatile bit	ECI	@ 0x92;
static volatile bit	CEX0	@ 0x93;
static volatile bit	CEX1	@ 0x94;
static volatile bit	CEX2	@ 0x95;
static volatile bit	CEX3	@ 0x96;
static volatile bit	CEX4	@ 0x97;
static volatile bit	MOSI	@ 0x94;
static volatile bit	SPICLK	@ 0x95;

//Serial Control 0 S0CON
static volatile bit 	RI_0	@ 0x98;
static volatile bit 	TI_0	@ 0x99;
static volatile bit 	RB8_0 	@ 0x9A;
static 		bit 	TB8_0 	@ 0x9B;
static 		bit 	REN_0 	@ 0x9C;
static 		bit 	SM2_0 	@ 0x9D;
static 		bit 	SM1_0 	@ 0x9E;
static 		bit 	SM0_0 	@ 0x9F;

//Port 2 P2
static volatile bit	P20	@ 0xA0;
static volatile bit	P21	@ 0xA1;
static volatile bit	P22	@ 0xA2;
static volatile bit	P23	@ 0xA3;
static volatile bit	P24	@ 0xA4;
static volatile bit	P25	@ 0xA5;
static volatile bit	P26	@ 0xA6;
static volatile bit	P27	@ 0xA7;
// Alternate Functions
static volatile bit	AD8	@ 0xA0;
static volatile bit	AD9	@ 0xA1;
static volatile bit	AD10	@ 0xA2;
static volatile bit	AD11	@ 0xA3;
static volatile bit	AD12	@ 0xA4;
static volatile bit	AD13	@ 0xA5;
static volatile bit	AD14	@ 0xA6;
static volatile bit	AD15	@ 0xA7;
static volatile bit	AD16	@ 0xA0;
static volatile bit	AD17	@ 0xA1;
static volatile bit	AD18	@ 0xA2;
static volatile bit	AD19	@ 0xA3;
static volatile bit	AD20	@ 0xA4;
static volatile bit	AD21	@ 0xA5;
static volatile bit	AD22	@ 0xA6;

//Interrupt Enable 0 IEN0
static 		bit 	EX0 	@ 0xA8;
static 		bit 	ET0 	@ 0xA9;
static 		bit 	EX1 	@ 0xAA;
static 		bit 	ET1 	@ 0xAB;
static 		bit 	ES0 	@ 0xAC;
static 		bit 	ET2 	@ 0xAD;
static 		bit 	EC 	@ 0xAE;
static 		bit 	EA	@ 0xAF;
static 		bit 	ES0R 	@ 0xAC;

//Port 3 P3
static volatile bit	P30	@ 0xB0;
static volatile bit	P31	@ 0xB1;
static volatile bit	P32	@ 0xB2;
static volatile bit	P33	@ 0xB3;
static volatile bit	P34	@ 0xB4;
static volatile bit	P35	@ 0xB5;
static volatile bit	P36	@ 0xB6;
static volatile bit	P37	@ 0xB7;
// Alternate Functions
static volatile bit	RXD0	@ 0xB0;
static volatile bit	TXD0	@ 0xB1;
static volatile bit	INT0	@ 0xB2;
static volatile bit	INT1	@ 0xB3;
static volatile bit	T0	@ 0xB4;
static volatile bit	T1	@ 0xB5;
static volatile bit	WR	@ 0xB6;
static volatile bit	RD	@ 0xB7;

//Interrupt Priority 0 IP0
static 		bit 	PX0 	@ 0xB8;
static 		bit 	PT0 	@ 0xB9;
static 		bit 	PX1 	@ 0xBA;
static 		bit 	PT1 	@ 0xBB;
static 		bit 	PS0 	@ 0xBC;
static 		bit 	PT2 	@ 0xBD;
static 		bit 	PPC 	@ 0xBE;
static 		bit 	PS0R 	@ 0xBC;

//Port 4 is a 51MX extended SFR
static volatile bit	P40	@ 0xC0;
static volatile bit	P41	@ 0xC1;
static volatile bit	P42	@ 0xC2;
static volatile bit	P43	@ 0xC3;
static volatile bit	P44	@ 0xC4;
static volatile bit	P45	@ 0xC5;
static volatile bit	P46	@ 0xC6;
static volatile bit	P47	@ 0xC7;
// Alternate Functions
static volatile bit	RXD1	@ 0xC0;
static volatile bit	TXD1	@ 0xC1;
static volatile bit	MISO	@ 0xC0;
static volatile bit	SS	@ 0xC1;

//Timer 2 Control T2CON
static 		bit	CPRL2	@ 0xC8;
static 		bit	CT2	@ 0xC9;
static 		bit	TR2	@ 0xCA;
static 		bit	EXEN2	@ 0xCB;
static		bit	TCLK	@ 0xCC;
static		bit	RCLK	@ 0xCD;
static volatile	bit	EXF2	@ 0xCE;
static volatile	bit	TF2	@ 0xCF;

//Program Status Word PSW
static volatile bit	P	@ 0xD0;
static volatile bit	F1	@ 0xD1;
static volatile bit	OV	@ 0xD2;
static 		bit	RS0	@ 0xD3;
static 		bit	RS1	@ 0xD4;
static volatile bit	F0	@ 0xD5;
static volatile bit	AC	@ 0xD6;
static volatile bit	CY	@ 0xD7;

//Counter Control CCON
static volatile	bit	CCF0	@ 0xD8;
static volatile	bit	CCF1	@ 0xD9;
static volatile	bit	CCF2	@ 0xDA;
static volatile	bit	CCF3	@ 0xDB;
static volatile	bit	CCF4	@ 0xDC;
static		bit	CR	@ 0xDE;
static volatile	bit	CF	@ 0xDF;

//Accumulator ACC
static volatile bit	ACC0	@ 0xE0;
static volatile bit	ACC1	@ 0xE1;
static volatile bit	ACC2	@ 0xE2;
static volatile bit	ACC3	@ 0xE3;
static volatile bit	ACC4	@ 0xE4;
static volatile bit	ACC5	@ 0xE5;
static volatile bit	ACC6	@ 0xE6;
static volatile bit	ACC7	@ 0xE7;

//Interrupt Enable 1 IEN1
static 		bit 	ES1	@ 0xE8;
static 		bit 	ES0T	@ 0xE9;
static 		bit 	ES1T	@ 0xEA;
static 		bit 	ESPI	@ 0xEB;
static 		bit 	ES1R	@ 0xE8;

//B register
static volatile bit	B0	@ 0xF0;
static volatile bit	B1	@ 0xF1;
static volatile bit	B2	@ 0xF2;
static volatile bit	B3	@ 0xF3;
static volatile bit	B4	@ 0xF4;
static volatile bit	B5	@ 0xF5;
static volatile bit	B6	@ 0xF6;
static volatile bit	B7	@ 0xF7;

//Interrupt Priority 1 IP1
static 		bit	PS1	@ 0xF8;
static 		bit	PS0T	@ 0xF9;
static 		bit 	PS1T	@ 0xFA;
static 		bit 	PSPI	@ 0xFB;
static 		bit	PS1R	@ 0xF8;


//Interrupt Vectors
#define	RESET	0
#define	EXTINT0	0x03
#define TIMER0	0x0B
#define	EXTINT1	0x13
#define	TIMER1	0x1B
#define	SERIAL	0x23
/* serial 0 interrupt can be configured to affect 
separate RX and TX interrupts using bit S0STAT.5 */
#define	S0RX	0x23
#define	TIMER2	0x2B
#define	PCA	0x33
#define	S0TX	0x3B
#define	S1TX	0x43
#define	SPI	0x4B
#define	S1	0x53
/* serial 1 interrupt can be configured to affect 
separate RX and TX interrupts using bit S1STAT.5 */
#define	S1RX	0x53

#endif
