memcard.h File Reference

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Enumerations
enum	memcard_status { MEMCARD_CONNECTED = 1, MEMCARD_FORMATTED = 2 }
enum	memcard_operation_result { MEMCARD_RW_GOOD = 0x47, MEMCARD_RW_BADCHECK = 0x4E, MEMCARD_RW_BADSECTOR = 0xFF }
	Results of memory card operations. More...

Functions
unsigned char	McReadSector (int card_slot, int sector, unsigned char *buffer)
	Reads a 128-byte sector from a memory card.
unsigned char	McWriteSector (int card_slot, int sector, unsigned char *buffer)
	Writes a 128-byte sector to a memory card.
unsigned int	McGetStatus (int card_slot)
	Get memory card status.

Enumeration Type Documentation

enum memcard_operation_result

Results of memory card operations.

Enumerator:

MEMCARD_RW_GOOD	Operation was successful - good result.
MEMCARD_RW_BADCHECK	Bad checksum - bad result.
MEMCARD_RW_BADSECTOR	Bad sector - bad result.

enum memcard_status

Enumerator:

MEMCARD_CONNECTED	Memory card is connected.
MEMCARD_FORMATTED	Memory card is formatted.

Function Documentation

unsigned int McGetStatus

(

int

card_slot

)

Get memory card status.

Parameters

card_slot

Memory card slot (0 = first slot, 1 = second slot)

Returns

Bitmask for current memory card status (flags in memcard_status enum)

unsigned char McReadSector	(	int	card_slot,
		int	sector,
		unsigned char *	buffer
	)

Reads a 128-byte sector from a memory card.

Parameters

card_slot	Memory card slot (0 = first slot, 1 = second slot)
sector	Sector number (0-511)
buffer	Pointer to data buffer in which data will be stored

Returns

Result of operation (possible values in memcard_operation_result enum)

unsigned char McWriteSector	(	int	card_slot,
		int	sector,
		unsigned char *	buffer
	)

Writes a 128-byte sector to a memory card.

Parameters

card_slot	Memory card slot (0 = first slot, 1 = second slot)
sector	Sector number (0-511)
buffer	Pointer to data buffer containing data to write

Returns

Result of operation (possible values in memcard_operation_result enum)