Line 69:
Line 69:
:* Bit 0: SD card is inserted.
:* Bit 0: SD card is inserted.
+
:* Bit 1: No SD card is inserted.
:* Bit 2: Write protect switch is down
:* Bit 2: Write protect switch is down
:* Bit 16: SD is initialized
:* Bit 16: SD is initialized