Stella for RetroN 77 can be controlled via the console buttons or a joystick in the left or right port. The resulting actions are depending on the current mode and are described below.
The joysticks work normal and all console buttons as labeled except of the following.
Joystick Button Action Button 4 4:3,16:9 Open the command dialog Button 5 FRY Return to launcher Button 6 - Open settings Button 7 - Rewind game Button 8 MODE Select Button 9 RESET Reset
In the Launcher
Joystick Button Action Up SAVE Previous game Down RESET Next game Left LOAD Page up Right MODE Page down Button 1 SKILL P1 Start selected game Button 2 orhold Button 1 SKILL P2 Open power-on options Button 4 COLOR, B/W Open settings
In a Dialog
Joystick Button Action Up SAVE Increase current setting Down RESET Decrease current setting Left LOAD Previous dialog element Right MODE Next dialog element Button 1 SKILL P1 Select element Button 2 SKILL P2 OK Button 3 or
Button 1 + Left
4:3,16:9 Previous tab Button 4 or
Button 1 + Right
FRY Next settings Button 6 - Cancel
Note: If you have a keyboard attached via OTG, all keys work as described in the Stella User's Guide.