It’s libretro Beetle PCE
core. Beetle PCE (v0.9.48 f9264be) to be precise.
And this is what’s inside of Beetle PCE.opt
file in \RetroArch\config\Beetle PCE
directory in case it gives more idea about the case. I didn’t make any custom setting change in RA core settings menu so it has to be default settings;
pce_adpcmextraprec = "10-bit"
pce_adpcmvolume = "100"
pce_arcadecard = "enabled"
pce_aspect_ratio = "auto"
pce_cdbios = "System Card 3"
pce_cddavolume = "100"
pce_cdimagecache = "disabled"
pce_cdpsgvolume = "100"
pce_cdspeed = "1"
pce_disable_softreset = "disabled"
pce_h_overscan = "auto"
pce_hires_blend = "disabled"
pce_initial_scanline = "3"
pce_last_scanline = "242"
pce_mouse_sensitivity = "1.25"
pce_multitap = "enabled"
pce_nospritelimit = "disabled"
pce_ocmultiplier = "1"
pce_p0_turbo_I_enable = "disabled"
pce_p0_turbo_II_enable = "disabled"
pce_p1_turbo_I_enable = "disabled"
pce_p1_turbo_II_enable = "disabled"
pce_p2_turbo_I_enable = "disabled"
pce_p2_turbo_II_enable = "disabled"
pce_p3_turbo_I_enable = "disabled"
pce_p3_turbo_II_enable = "disabled"
pce_p4_turbo_I_enable = "disabled"
pce_p4_turbo_II_enable = "disabled"
pce_palette = "RGB"
pce_psgrevision = "HuC6280A"
pce_resamp_quality = "3"
pce_scaling = "auto"
pce_show_advanced_input_settings = "disabled"
pce_Turbo_Delay = "Fast"
pce_turbo_toggle_hotkey = "disabled"
pce_Turbo_Toggling = "disabled"
pce_up_down_allowed = "disabled"
Anytime
Btw,
I guess there is a typo with 2020