TF-4

Found on...

• Dark Seal
• Gate of Doom

Equations

/** Inputs **/
Pin	2 = i2;
Pin	3 = i3;
Pin	4 = i4;
Pin	5 = i5;
Pin	6 = i6;
Pin	7 = i7;
Pin	8 = i8;
Pin	9 = i9;
Pin	12 = i12;
Pin	18 = i18;

/** Outputs **/
Pin	13 = o13; /**(Combinatorial, Output feedback output, Active low) **/
Pin	14 = o14; /**(Registered, Output feedback registered, Active high) **/
Pin	15 = o15; /**(Registered, Output feedback registered, Active high) **/
Pin	16 = o16; /**(Registered, Output feedback registered, Active high) **/
Pin	17 = o17; /**(Registered, Output feedback registered, Active high) **/
Pin	19 = o19; /**(Combinatorial, Output feedback output, Active low) **/

/** Equations **/

!o13 = i6 & !i7;

o14.d =  o15;
o14.oe = OE;

o15.d =  o16;
o15.oe = OE;

o16.d =  o17;
o16.oe = OE;

o17.d =  i9;
o17.oe = OE;

!o19 = i5 & i7 & !o16
     # !i2 & i5 & !i6 & !i7
     # !i3 & i5 & !i6 & !i7
     # !i4 & i5 & !i6 & !i7;