INT 26h (38)             Absolute Disk Write

Writes one or more sectors on a specified logical disk.

On entry:      AL         Drive number (0=A, 1=B)
CX         Number of sectors to write
DX         Starting sector number
DS:DX      Address of sectors to write

Returns:       AX         Error code (if CF is set; see below)
Flags      DOS leaves the flags on the stack

                                                                          

This interrupt reads one or more sectors from a disk drive, and is
comparable to the service provided by the ROM BIOS in Interrupt 13h.

See the descrition on INT 25h for the full details.

See also: INT 25h
See also: INT 13h, 03h

INT 26h (38) Absolute Disk Write