UPDATE:
-Improved grid version to match up with pixel count of native resolution;
-Added an alt version with smaller display zone
Preview:
Mapping:
aspect_ratio_index = "22"
custom_viewport_width = "960"
custom_viewport_height = "876"
custom_viewport_x = "480"
custom_viewport_y = "102"
input_overlay_enable = true
input_overlay_opacity = 1.0
input_overlay_scale = 1.0
input_overlay = /opt/retropie/configs/gamegear/overlay/gamegear1080p_grid.cfg
Download:
Click Here
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Alt version with smaller display zone:
Preview:
Mapping:
aspect_ratio_index = "22"
custom_viewport_width = "860"
custom_viewport_height = "774"
custom_viewport_x = "530"
custom_viewport_y = "153"
input_overlay_enable = true
input_overlay_opacity = 1.0
input_overlay_scale = 1.0
input_overlay = /opt/retropie/configs/gamegear/overlay/gamegear1080p_grid.cfg
Download:
clicky