501 Log Generator
505 b1/2 States [Circuit]
510 Core Driver [Circuit]
514 Keyboard Latch & Decode [Circuit]
518 B Switch [Circuit]
540 Memory Register Control [Circuit]
502 Log Generator
506 b3/4/5 States [Circuit]
511 Buffer & Data Switch [Circuit]
515 T Counter [Circuit]
519 Clock & Core Timing [Circuit]