****************************************************************************
*
* instrument.a - acquires all needed data values from various instruments
*
*

		psect	instrument_a,0,0,3,0,0


* Get the current speed
*
* Entry: None
*
* Exit:  D = speed value in miles per hour
getspeed:
		ldd		#55			55 mph
		rts


* Get the odometer value
*
* Entry: None
*
* Exit:  D = bits 23-16 of odometer
*        X = bits 15-0  of odometer
getmileage:
		ldd		#2			
		ldx		#0000		2*65536 miles
		rts

		
* Get the current engine temperature
*
* Entry: None
*
* Exit:  D = engine temperature value in Farenheit
getengtemp:
		ldd		#200		200 degrees Farenheit
		rts

		
* Get the current fuel amount
*
* Entry: None
*
* Exit:  D = fuel amount in 16ths
getfuel:
		ldd		#8			half a tank
		rts

		
		endsect