Int 21/AX=4403h

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Brian Antoine Seagate ST-01 SCSI.SYS - IOCTL - EXECUTE COMMANDS

AX = 4403h
BX = handle for device "SCSITAPE"
CX = number of bytes to write
DS:DX -> SCSITAPE control block (see #01525)

Return:
CF clear if successful AX = number of bytes actually written CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)

See Also: AX=4405h"ST-01" - INT 78/AH=10h

Format of SCSITAPE control block: Offset Size Description (Table 01525) 00h WORD command type 'F' Format (argument 1 = interleave, argument 2 = format type) 'E' Erase 'R' Rewind 'L' Load 'N' No Load 'S' Space (argument 1 = count, argument 2 = type) 'M' File Mark (argument 1 = count) 'A' Reassign 02h WORD argument 1 04h WORD argument 2 06h WORD segment of command buffer 08h WORD offset of command buffer 0Ah WORD length of command buffer

Category: Disk I/O Enhancements - Int 21h - B

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