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Listing 10-Nothing fancy here. Just standard PIC stuff.

;******************************************************************
;*	PIC16F87X PortB Bit Definitions
;*
;*
;******************************************************************
;	RB7	used by ICSP/LVP	
;	RB6	used by ICSP/LVP
#define	IOR	5 
#define	IOW	4 
;	RB3	used by ICSP/LVP
#define	AEN	2
#define	RESET	1
#define	INTR	0 
;******************************************************************
;*	PIC16F87X PortC Bit Definitions
;*
;*	DATA BUS
;******************************************************************
#define	SD0	0
#define	SD1	1
#define	SD2	2	
#define	SD3	3
#define	SD4	4
#define	SD5	5
#define	SD6	6
#define	SD7	7
;******************************************************************
;*	PIC16F87X PortD Bit Definitions
;*
;*	ADDRESS BUS
;******************************************************************
#define	SA0	0
#define	SA1	1
#define	SA2	2
#define	SA3	3
;******************************************************************
;*	PIC16F87X RAM (Register) Definitions
;*
;*
;******************************************************************
#define	data_H	20
#define	data_L	21
#define	ppoffsetH	22
#define	ppoffsetL	23
#define	ARG3	24
#define	ARG2	25
#define	ARG1	26
#define	ARG0	27
#define	BARG1	28
#define	BARG0	29
#define	cntr	2A
#define	scratch_H	2B
#define	scratch_L	2C
#define	frameflags	2D
#define	len_H	2E
#define	len_L	2F
#define	packetstart	30
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