M CHANGES → CHANGES

@@ -44,6 +44,7 @@ - GBA I/O: Mask off WAITCNT bits that cannot be written
  - GB Memory: Fix HDMA5 value after DMA completes
  - GB Video: Hblank IRQs should mask LYC=LY IRQs
  - GB Audio: Reset envelope timer when reseting sound channel
+ - Libretro: Fix disabling BIOS
 Misc:
  - SDL: Remove scancode key input
  - GBA Video: Clean up unused timers

M src/platform/libretro/libretro.c → src/platform/libretro/libretro.c

@@ -413,7 +413,7 @@ struct GBA* gba = core->board;
 		gba->luminanceSource = &lux;
 
 		const char* sysDir = 0;
-		if (environCallback(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &sysDir)) {
+		if (core->opts.useBios && environCallback(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &sysDir)) {
 			char biosPath[PATH_MAX];
 			snprintf(biosPath, sizeof(biosPath), "%s%s%s", sysDir, PATH_SEP, "gba_bios.bin");
 			struct VFile* bios = VFileOpen(biosPath, O_RDONLY);