These are the RAM Addresses for the A2600 Homebrew - Doggone It!
SystemID A26
0B b s 0 Main RAM X-Pos(1)
0C b s 0 Main RAM X-Pos(2)
0 S _ 1
0D b s 0 Main RAM Y-Pos(1)
0D b s 0 Main RAM Y-Pos(2)
0 S _ 1
08 b s 0 Main RAM 53 FR
0 S _ 1
69 b s 0 Main RAM Frame Counter_1
77 b s 0 Main RAM Frame Counter_2