Namco SYS87A-R

Found on...

• Galaga 88
• Pac-Mania
• Splatter House
• Tank Force

Equations

/** Inputs **/
Pin	1 = i1;
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	11 = i11;

/** Outputs **/
Pin	12 = o12; /**(Combinatorial, Output feedback output, Active low) **/
Pin	13 = o13; /**(Combinatorial, Output feedback output, Active low) **/
Pin	14 = o14; /**(Combinatorial, Output feedback output, Active low) **/
Pin	15 = o15; /**(Combinatorial, No output feedback, Active low) **/
Pin	16 = o16; /**(Combinatorial, No output feedback, Active low) **/
Pin	17 = o17; /**(Combinatorial, Output feedback output, Active low) **/
Pin	18 = o18; /**(Combinatorial, Output feedback output, Active low) **/
Pin	19 = o19; /**(Combinatorial, Output feedback output, Active low) **/

/** Equations **/
/O12 = I01 * I02 * /I03 * /I04

/O13 = /I01 * /I02 * /I03 * I04 * I05 * I09
     + I01 * I02 * /I03 * I09

/O14 = /I08 * O16

/O15 = I01 * I02 * /I03 * I04 * /I05 * I09

/O16 = I03 * /I05 * /I08 * I09 * O16
     + /I08 * /O16

/O17 = /I01 * /I02 * /I03 * I04 * I05 * I09

/O18 = I01 * /I02 * I05 * I09
     + /I01 * I02 * I05 * I09

/O19 = /O18