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libretro / beetle-pce-fast-libretro

Standalone fork of Mednafen PCE Fast to libretro
GNU General Public License v2.0
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Weird screen glitches for Turbo Grafx 16 games on 3ds build of Retroarch #158

Closed ekirchman closed 4 years ago

ekirchman commented 4 years ago

I'm using a New 2DS XL and the "NEC - PC Engine / CD (Beetle PCE FAST" core for retroarch, and every game I try, including Devil's Crush and Blazing Lazers all have this screen glitch appear at the bottom of the screen.

For example in the opening scene of Blazing Lazers, there appears a line of multicolored pixels. On real 3ds hardware this is very well noticeable and happens in all games I've tried. Blazing_Lazers

Here's my log file retroarch2020_08_0310_48_15.log

negativeExponent commented 4 years ago

adjust initial/last scanline. normally these areas are covered by ctr bezels

ekirchman commented 4 years ago

That was it! Changing the "Last Scanline" under core options from 242 to 241 solved it.