# Stella for RetroN 77

## Atari 2600 VCS emulator

Release 6.7

## Quick Navigation Guide

> 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.

> ### During Emulation

> > 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 Menu
> > Button 5 | FRY | Return to launcher
> > Button 6 | - | Open settings
> > Button 8 | - | Rewind game
> > Button 9 | MODE | Select
> > Button 10 | 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
> > Hold Button 1 | - | Open a context menu with the following choices:
> > - Add to favorites
> > - Power-On options...
> > - Go to initial directory
> > - Go to parent directory
> > - Settings...
> > Button 2 or 6 close the menu without any action.
> > Button 1 + Left | - | Display previous image
> > Button 1 + Right | - | Display next image
> > Button 1 + Up | - | Toggle image zoom
> > Button 2 | SKILL P2 | Open Power-On options
> > Button 4 | COLOR, B/W | Open the Settings Dialog

> ### 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.

> Two dialogs were especially (re)designed for the RetroN 77:

> ## Command Menu

> This dialog is similar to the PC version's Command Menu, but with some commands especially selected for the RetroN 77. |

> ## Basic Settings Dialog

> 'Use Advanced Settings...' switches settings mode. Then you have access to all Stella setting. But please be careful, make sure that you know what you are doing!
> The 'Help...' dialog explains the function of the console and controller buttons, similar to this document.
> Finally the dialog combines the most important settings from several other dialogs of the PC version:
> - For 'UI theme' and 'Dialogs position' see User Interface Settings - Look & Feel.
> - 'TV mode', 'Scanline intensity', 'Phosphor blend' and 'Overscan' are described in Video & Audio Settings - Display and TV Effects.
> - 'Left port' and 'Right port' are defined per game. For details see Game Properties - Controller Properties.