PCE.emu is a PC Engine/TurboGrafx-16 emulator based on Mednafen
About Save Games:
A standard .sav file is created for games using internal battery backup memory
Save states use Mednafen .mca file format, backup memory is overwritten when loading a state
PCE-specific Options:
System Actions -> Console Options
6-button Gamepad: Enable with games such as Street Fighter II to use all 6 buttons, must be disabled for other games to avoid incorrect inputs
Arcade Card: Enable to properly run Arcade CD games, disable to save some memory
Visible Lines: Number of video lines to display, format is [starting line]+[total lines] so 11+224 will start on line 11 and display 224 lines from there
Options -> Video
Correct Line Aspect Ratio: Scale the video aspect ratio by (224 / total visible lines)