Config of vga666 adapter for Raspberry Pi to connect CRT monitor / TV at 260p etc resoultions for emulation.
Simply add these lines to end of config.txt file, in the root of memcard.
gpu_mem=320
dtoverlay=vga666
enable_dpi_lcd=1
display_default_lcd=1
dpi_group=2
dpi_mode=9
https://forums.raspberrypi.com
