/*******************************************
 asm.h   2007.04.30 by Masaki Shinomiya
 for SDCC PIC16 port
********************************************/

#ifndef _PIC14_ASM_H
#define _PIC14_ASM_H

/*** usefull assembler codes ***/
#define Nop()           do { _asm nop _endasm; } while(0)
#define ClrWdt()        do { _asm clrwdt _endasm; } while(0)
#define Sleep()         do { _asm sleep _endasm; } while(0)

#define EEPROM_WRITE()	do {				\
	EECON2=0x00;	/* Get in right bank */		\
	__asm	MOVLW	0x55		__endasm; 	\
	__asm	MOVWF	EECON2		__endasm; 	\
	__asm	MOVLW	0xaa		__endasm; 	\
	__asm	MOVWF	EECON2		__endasm; 	\
	__asm	BSF	EECON1,1;	__endasm;	\
	} while(0)

/***  word <--> byte  ******************/
struct hl {
	unsigned char low;
	unsigned char high;
};
union uword {
	struct hl bytes;
	unsigned short word;
};
static union uword work;
/*** word <--> byte usage
    unsigned char lowerbyte, higerbyte;
    unsigned int value;
    work.bytes.low = lowerbyte;
    work.bytes.high = higherbyte;
    value = work.word;
*****************************************/
#endif // _PIC14_ASM_H