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libretro / libretro-cap32

caprice32 4.2.0 libretro
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GX4000 / Burnin Rubber - Regression, visual glitchs after update to a1e4a79 #119

Closed TiBeN closed 1 year ago

TiBeN commented 2 years ago

Hi, just updated my libretro cores (the official way through the gui).

Seems there is a regression in GX4000 emulation, Burnin Rubber has glitches and is now unplayable, see screenshots.

Burnin' Rubber CPC+ (E) - Red Label-220810-130247 Burnin' Rubber CPC+ (E) - Red Label-220810-130232

Additional infos: System: ArchLinux (official pacman retroarch package) Retroarch version: 1.10.3

My GX4000.opt (carts directory config):

cap32_advanced_green_phosphor = "15"
cap32_autorun = "enabled"
cap32_combokey = "select"
cap32_db_mapkeys = "enabled"
cap32_floppy_sound = "enabled"
cap32_gfx_colors = "16bit"
cap32_lang_layout = "english"
cap32_model = "6128+ (experimental)"
cap32_ram = "128"
cap32_retrojoy0 = "auto"
cap32_retrojoy1 = "auto"
cap32_scr_intensity = "8"
cap32_scr_tube = "color"
cap32_statusbar = "onloading"

Rom:

$ md5sum Burnin\'\ Rubber\ \[CPC+\]\ \(E\)\ -\ Red\ Label.cpr 
0a527172192c50c2fd2567bdbcb7acd0  Burnin' Rubber [CPC+] (E) - Red Label.cpr
TiBeN commented 2 years ago

OK, switching 24bits color depth fixes the issue. I keep the issue opened as it is a little counter-intuitive at first glance. (not sure everybody will look at this option to fix this)

DSkywalk commented 1 year ago

ATM CPC+ emulation need 24bits color depth, sorry :+1:

We marked CPC+ as experimental because is incomplete.

TiBeN commented 1 year ago

OK. I often play Burnin Rubber and i would say the emulation is pretty good :) Thank for you feedback.