Name     pcjr_supercart;
PartNo   U1;
Date     10/5/2011;
Revision 02;
Designer AlanH;
Company  retrotronics.org;
Assembly RevP1;
Location None;
Device   g22v10;

Pin  1 = !SIZE1;
Pin  2 = !PAGE1_A18;
Pin  3 = !PAGE1_A17;
Pin  4 = !PAGE1_A16;
Pin  5 = !PAGE1_A15;

Pin  7 = !SIZE2;
Pin  8 = !PAGE2_A18;
Pin  9 = !PAGE2_A17;
Pin 10 = !PAGE2_A16;
Pin 11 = !PAGE2_A15;

Pin 15 = !CS2;
Pin 18 = !CS3;
Pin 13 = !CS4;
Pin 19 = !CS5;
Pin 14 = !CS6;
Pin 20 = !CS7;

Pin 17 = A18;
Pin 21 = A17;
Pin 23 = A16;
Pin 22 = A15;

Pin 16 = !ROM_CS;

Pin  6 = !ENABLE;

A18 = !CS6 & !CS7 & (((CS4 # CS5) & PAGE1_A18) # ((CS2 # CS3) & PAGE2_A18));
A17 = !CS6 & !CS7 & (((CS4 # CS5) & PAGE1_A17) # ((CS2 # CS3) & PAGE2_A17));
A16 = !CS6 & !CS7 & (((CS4 # CS5) & PAGE1_A16) # ((CS2 # CS3) & PAGE2_A16));
A15 = !CS6 & (CS7 #  ((CS4 # CS5) & PAGE1_A15) # ((CS2 # CS3) & PAGE2_A15) # (CS5 & SIZE1) # (CS3 & SIZE2));

ROM_CS = ENABLE & (CS2 # (CS3 & SIZE2) # CS4 # (CS5 & SIZE1) # CS6 # CS7);