pic1655x.h

一个PIC的demo程序包

/* 	
 *	Header file for the Microchip :
 *	PIC 16C554 chip
 *	PIC 16C556 chip
 *	PIC 16C558 chip
 *	Midrange Microcontrollers
 */

static volatile unsigned char	TMR0	@ 0x01;
static volatile unsigned char	PCL	@ 0x02;
static volatile unsigned char	STATUS	@ 0x03;
static 		unsigned char	FSR	@ 0x04;
static volatile unsigned char	PORTA	@ 0x05;
static volatile unsigned char	PORTB	@ 0x06;
static 		unsigned char 	PCLATH	@ 0x0A;
static volatile unsigned char	INTCON	@ 0x0B;

static 		unsigned char bank1	OPTION	@ 0x81;
static 		unsigned char bank1	TRISA	@ 0x85;
static 		unsigned char bank1	TRISB	@ 0x86;
static volatile unsigned char bank1	PCON	@ 0x8E;

/*	STATUS bits	*/
static bit	RPO	@ (unsigned)&STATUS*8+5;
static bit	TO	@ (unsigned)&STATUS*8+4;
static bit	PD	@ (unsigned)&STATUS*8+3;
static bit	ZERO	@ (unsigned)&STATUS*8+2;
static bit	DC	@ (unsigned)&STATUS*8+1;
static bit	CARRY	@ (unsigned)&STATUS*8+0;

/*	PORTA bits	*/
static bit	RA4	@ (unsigned)&PORTA*8+4;
static bit	RA3	@ (unsigned)&PORTA*8+3;
static bit	RA2	@ (unsigned)&PORTA*8+2;
static bit	RA1	@ (unsigned)&PORTA*8+1;
static bit	RA0	@ (unsigned)&PORTA*8+0;

/*	PORTB bits	*/
static bit 	RB7	@ (unsigned)&PORTB*8+7;
static bit 	RB6	@ (unsigned)&PORTB*8+6;
static bit 	RB5	@ (unsigned)&PORTB*8+5;
static bit 	RB4	@ (unsigned)&PORTB*8+4;
static bit 	RB3	@ (unsigned)&PORTB*8+3;
static bit 	RB2	@ (unsigned)&PORTB*8+2;
static bit 	RB1	@ (unsigned)&PORTB*8+1;
static bit 	RB0	@ (unsigned)&PORTB*8+0;

/*	INTCON bits	*/
static bit	GIE	@ (unsigned)&INTCON*8+7;
static bit	T0IE	@ (unsigned)&INTCON*8+5;
static bit	INTE	@ (unsigned)&INTCON*8+4;
static bit	RBIE	@ (unsigned)&INTCON*8+3;
static bit	T0IF	@ (unsigned)&INTCON*8+2;
static bit	INTF	@ (unsigned)&INTCON*8+1;
static bit	RBIF	@ (unsigned)&INTCON*8+0;

/*	OPTION bits	*/
static bank1 bit	RBPU	@ (unsigned)&OPTION*8+7;
static bank1 bit	INTEDG	@ (unsigned)&OPTION*8+6;
static bank1 bit	T0CS	@ (unsigned)&OPTION*8+5;
static bank1 bit	T0SE	@ (unsigned)&OPTION*8+4;
static bank1 bit	PSA	@ (unsigned)&OPTION*8+3;
static bank1 bit	PS2	@ (unsigned)&OPTION*8+2;
static bank1 bit	PS1	@ (unsigned)&OPTION*8+1;
static bank1 bit	PS0	@ (unsigned)&OPTION*8+0;

/*	TRISA bits	*/
static bank1 bit	TRISA4	@ (unsigned)&TRISA*8+4;
static bank1 bit	TRISA3	@ (unsigned)&TRISA*8+3;
static bank1 bit	TRISA2	@ (unsigned)&TRISA*8+2;
static bank1 bit	TRISA1	@ (unsigned)&TRISA*8+1;
static bank1 bit	TRISA0	@ (unsigned)&TRISA*8+0;

/*	TRISB bits	*/
static bank1 bit	TRISB7	@ (unsigned)&TRISB*8+7;
static bank1 bit	TRISB6	@ (unsigned)&TRISB*8+6;
static bank1 bit	TRISB5	@ (unsigned)&TRISB*8+5;
static bank1 bit	TRISB4	@ (unsigned)&TRISB*8+4;
static bank1 bit	TRISB3	@ (unsigned)&TRISB*8+3;
static bank1 bit	TRISB2	@ (unsigned)&TRISB*8+2;
static bank1 bit	TRISB1	@ (unsigned)&TRISB*8+1;
static bank1 bit	TRISB0	@ (unsigned)&TRISB*8+0;

/*	PCON bits	*/
static bank1 bit	POR	@ (unsigned)&PCON*8+1;

#define	CONFIG_ADDR	0x2007
#define FOSC0		0x01
#define FOSC1		0x02
#define WDTE		0x04
#define PWRTE		0x08
#define CP0		0x10
#define CP1		0x20