name	START;
Partno	xx;
Revision 01;
Date	11/24/89;
Designer Scott Schaeffer;
Company	CBM;
Assembly A3000 040 coprocessor;
Location U211;
Device	G22V10;

/**	68040 Bus translator TCI AVEC STERM PAL **/

/** Inputs **/

PIN 1		=	bclk;
PIN [2..7]	=	[!as040,!rciin,!ta,!tea,!ravec,!bgack40];
PIN [8..9] = 	[!ts,!pwrst];
PIN [10,11,13] = [!ipl2_,!ipl1_,!ipl0_];

/** Outputs **/
 
PIN [21..18]	=	[!avec040,!tci,!start,!cycpend];
PIN [17]	=	[!tend];
PIN [16..14] = 		[!ipl0_040_,!ipl1_040_,!ipl2_040_];
/** Declarations**/
$define	cycle_start (ts)
$define term (ta)
$define litbuf 'b'1

/** logic equations **/
 
tci.d	= 	(as040 & rciin & !tci) # (tci & !( ta # tea ) & !pwrst);
avec040.d = 	(as040 & ravec & !avec040) # (avec040 & !( ta # tea ) & !pwrst);


tend.d	=	tend & !term & !pwrst & !tea
	#	cycle_start & !tend;

start	=	(ts # cycpend) & bgack40;

cycpend.d =	ts & !bgack40
	#	cycpend & !bgack40;




ipl2_040_	=	ipl2_ & !pwrst # pwrst & litbuf;

ipl1_040_	=	ipl1_ & !pwrst # pwrst & litbuf;

ipl0_040_	=	ipl0_ & !pwrst	# pwrst & litbuf;