CMD_READ/ETD_READ - read data from ramdrive.

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

io_Device

preset by the call to OpenDevice()

io_Unit

preset by the call to OpenDevice()

io_Command

CMD_READ or ETD_READ

io_Flags

0 or IOF_QUICK

io_Data

pointer to the buffer where the data should be put

io_Length

number of bytes to read

io_Offset

byte offset from the start of the card describing where to read data from.

IO REQUEST RESULT

CMD_WRITE