LONG XHReadWrite( major, minor, rwflag, recno, count, buf );
UWORD major, minor, rwflag;
ULONG recno;
UWORD count;
VOIDP buf;
Read or write physical blocks on a mass media device.
Opcode
10 (0x0A)
Availability
Parameters
rwflag specifies if data should be read from the device or be written to the device.
| rwflag bits |
Meaning |
| 0..2 |
as defined in the AHDI Release Notes (3.00, April 18, 1990).
StabyloRmv: the exact definition should be retrieved here later. |
| 3 |
(physical mode) is ignored. |
| 4..15 |
Reserved and should be set to zero. |
recno identifies the first block to be read (resp. written).
count is the number of blocks to be read (resp. written) by
XHReadWrite().
buf is a pointer to the destination (resp. source) buffer in central memory where data will be written to (resp. read from)
Binding
pea buf
move.w #count,-(sp)
move.l #recno,-(sp)
move.w #rwflag,-(sp)
move.w #minor,-(sp)
move.w #major,-(sp)
move.w #10,-(sp)
move.l xhdi_handler,a0
jsr (a0)
lea 18(sp),sp
Return Value
See Also