byuu v3 + higan v109

多機種模擬器 byuu + higan 發布新版，更新如下 :

Famicom: emulated the X24C01 EEPROM for Bandai-FGC boards (no X24C02 support yet)

Mega CD: CDC PCM DMA can only write to current bank [EkeEke]

Mega CD: CDC DMA address setting now clears d0-d2 for proper transfer alignment [EkeEke]

Mega CD: improve power-cycle handling (not perfect; best to restart the emulator between each Mega CD game still ...)

PC Engine: trigger VDC coincidence IRQs at start of scanline (fixes Bomberman '94, Air Zonk start screen rendering issues)

PC Engine: improved RCR interrupt emulation (fixes Air Zonk in-game)

PC Engine: fix VDC DCR writes (fixes Gaia no Monshou, Magical Chase, etc)

PC Engine: reduced VDC access delays (fixes Wonder Momo, but may not be hardware accurate)

PC Engine: improved instruction timing

PC Engine: added Avenue Pad 6 emulation (higan only for now)

WonderSwan: window emulation improvements

byuu: BIOS firmware settings window improvements

byuu: can now load firmware from inside ZIP archives

byuu: added trace logging tool

byuu: added manifest viewer tool

byuu: add path overrides for saves, BPS patches, and DSP firmware files

higan: fixed a serious issue with the "Create New System" option from the launch screen

nall: fixed a subtle yet important issue with Natural/Integer::bit() that allowed out-of-range bits to be set

https://byuu.org/