All addresses are in hexadecimal.
| Address | C definition | Description |
|---|---|---|
| 6 | Copy of MAX for passwords, which is incremented, not set just once like gh01B6 (halfword) | |
| 24 | Controller status (halfword) | |
| 11A | Playfield; see below | |
| 18A | End of playfield | |
| 1B4 | Score divided by 10 (halfword) | |
| 1B6 | "MAX" (halfword) - set only once as opposed to gh0006 | |
| 1B8 | "GET" (halfword) | |
| 1BC | Level minus 1 (halfword); due to a programming error, the maximum value is 100 (not 99), which displays as garbage |
Each tile is a halfword. Some values:
| Value | Meaning |
|---|---|
| 0 | Empty |
| 1 | Right terminator (">") |
| 2 | Top terminator ("^") |
| 3 | Upper right "L" |