Int 21/AH=3Ch

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DOS 2+ - CREAT - CREATE OR TRUNCATE FILE

AH = 3Ch
CX = file attributes (see #01401)
DS:DX -> ASCIZ filename

Return:
CF clear if successful AX = file handle CF set on error AX = error code (03h,04h,05h) (see #01680 at AH=59h/BX=0000h)

Notes: If a file with the given name exists, it is truncated to zero length. Under the FlashTek X-32 DOS extender, the pointer is in DS:EDX. DR DOS checks the system password or explicitly supplied password at the end of the filename against the reserved field in the directory entry before allowing access

See Also: AH=16h - AH=3Dh - AH=5Ah - AH=5Bh -

Bitfields for file attributes: Bit(s) Description (Table 01401) 0 read-only 1 hidden 2 system 3 volume label (ignored) 4 reserved, must be zero (directory) 5 archive bit 7 if set, file is shareable under Novell NetWare

Category: DOS Kernel - Int 21h - D

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