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PSP checks memory-stick reachability via sceIoGetstat. GameCube gets two devices (CARD_SLOTA/CARD_SLOTB), each mounted via CARD_Init/CARD_Mount and checked for free space via CARD_GetDirectory/CARD_GetBlockCount. Wii picks between three storage methods at compile time (DUSK_SAVE_WII_METHOD = NAND/CARD/SD in wii.cmake, default NAND via ISFS) since real hardware behavior for the default is unverified. Also fixes two pre-existing bugs found while build/runtime-testing this across PPSSPP and Dolphin: wrong libogc language macros in systemGetLocaleDolphin, and a missing SYS_STDIO_Report(true) call that silently swallowed all guest console output in Dolphin. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>