Exciting Boxing Punching Bag

This punching bag/doll is used in a single game:

• Exciting Boxing

It contains 8 sensors, each returned as a single bit when reading $4017:

• Left/Right Hook
• Left/Right Jab
• Left/Right Move
• Straight
• Body

Hardware interface

Input ($4016 write)

7  bit  0
---- ----
xxxx xxAx
       |
       +- Select output sensors (see below)

Output ($4017 read)

7  bit  0
---- ----
xxxE DCBx
   | |||
   | ||+-- Left Hook (A = 0), Left Jab (A = 1)
   | |+--- Move Right (A = 0), Body (A = 1)
   | +---- Move Left (A = 0), Right Jab (A = 1)
   +------ Right Hook (A = 0), Straight (A = 1)

See Also

• image and english description