You do not have permission to edit this page, for the following reason:
The action you have requested is limited to users in the group: Users.
When written to with the top bit set, selects the active sound chip.
! Bit !! Function
| 7 || Must be 1
| 6 || Enable left audio
| 5 || Enable right audio
| 4-2 || Must be 1
| 1-0 || Select active chip. 0-3: unused, AY3, AY2, AY1.
Otherwise, selects the register number to access from the active sound chip.
This is a minor edit
Watch this page