CMD_WRITE/ETD_WRITE - write sectors of data to a disk.

These commands transfer data from a supplied buffer to the card.

io_Device

Preset by the call to OpenDevice()

io_Unit

Preset by the call to OpenDevice()

io_Command

CMD_WRITE or ETD_WRITE

io_Flags

0 or IOF_QUICK

io_Data

Pointer to the buffer where the data should be put

io_Length

Number of bytes to write, must be a multiple of the card block size.

io_Offset

Byte offset from the start of the card describing where to write data to, must be a multiple of the card block size.

iotd_Count

(ETD_WRITE only) maximum allowable change counter value.

io_Error

0 for success, or an error code as defined in <devices/trackdisk.h>

CMD_READ, TD_FORMAT