So I've been trying different configs for the past hour or so trying to get rid of this random incredibly annoying glitch:
I'm using ePSXe 1.7.0 with Pete's OpenGL2 Renderer
a direct copy of the last config I tried if it helps any:
Plugin: Pete's OpenGL2 Driver 2.9
Author: Pete Bernert
Card vendor: ATI Technologies Inc.
GFX card: ATI MOBILITY RADEON X600 x86/SSE2
Resolution/Color:
- 1024x768 Fullscreen - NO desktop changing
- Internal X resolution: 1
- Internal Y resolution: 2
- Keep psx aspect ratio:
- No render-to-texture: Ã
- Filtering: 2
- Hi-Res textures: 0
- TexWin pixel shader: on
- VRam size: 128 MBytes
Framerate:
- FPS limitation: on
- Frame skipping: off
- FPS limit: Auto
Compatibility:
- Offscreen drawing: 1
- Framebuffer effects: 3
- Framebuffer uploads: 1
Misc:
- Scanlines: off
- Mdec filter: on
- Screen filtering: off
- Shader effects: 0/1
- Flicker-fix border size: 0
- GF4/XP crash fix: off
- Game fixes: on [00004406]

I'm using ePSXe 1.7.0 with Pete's OpenGL2 Renderer
a direct copy of the last config I tried if it helps any:
Plugin: Pete's OpenGL2 Driver 2.9
Author: Pete Bernert
Card vendor: ATI Technologies Inc.
GFX card: ATI MOBILITY RADEON X600 x86/SSE2
Resolution/Color:
- 1024x768 Fullscreen - NO desktop changing
- Internal X resolution: 1
- Internal Y resolution: 2
- Keep psx aspect ratio:
- No render-to-texture: Ã
- Filtering: 2
- Hi-Res textures: 0
- TexWin pixel shader: on
- VRam size: 128 MBytes
Framerate:
- FPS limitation: on
- Frame skipping: off
- FPS limit: Auto
Compatibility:
- Offscreen drawing: 1
- Framebuffer effects: 3
- Framebuffer uploads: 1
Misc:
- Scanlines: off
- Mdec filter: on
- Screen filtering: off
- Shader effects: 0/1
- Flicker-fix border size: 0
- GF4/XP crash fix: off
- Game fixes: on [00004406]