• psnes: fix audio crackling
• psnes: hide unneeded options from options menu
• psnes: allow listing unknown files in rom listing
• psnes: add BLOCK_INVALID_VRAM option
• psnes: add TRANSPARENCY option
• psnes: add DISPLAY_MESSAGES option
• psnes: add FRAMESKIP, TURBO_MODE and TURBO_FRAMESKIP options
• psnes: allow frameskip on switch, while not really needed...
• psnes: update snes9x core to latest version (03/31/2020, 432fc08498b33190a41ae659c3c5fccbeb5b8b3e)
• psnes: include all pFBN changes since last pSNES release (a lot)
• all: add SHOW_REAL_NAMES ui option to show zip names (or fbn names) instead screenscraper name in rom listing
• all: lower videos previews size (1/2 size, 20 seconds instead 36).