Int 60  u - Hp 95lx System Manager - Open File                             [b]

   DI = 0500h
   STACK:  2 WORDs unused dummies (for calls from high level languages)
       DWORD   pointer to file state record (see #2958)
       DWORD   pointer to filename
       WORD    length of filename
       WORD    ???
       WORD    suppress buffering if nonzero

Return: AX = status
   STACK unchanged

See Also: INT 60/DI=0501h,INT 60/DI=0502h,INT 60/DI=0508h

Format of HP 95LX file state record:
Offset Size    Description (Table 2958)
 00h   WORD    DOS file handle
 02h   WORD    state flags (see #2959)
 04h   DWORD   current DOS physical file offset (FFFFFFFFh if unknown)
 08h   DWORD   DOS file offset of start of buffer
 0Ch   DWORD   effective file offset as seen by caller
 10h   WORD    number of bytes in file buffer
---buffered I/O only---
 12h 512 BYTEs file buffer

Bitfields for HP 95LX file state flags:
Bit(s) Description (Table 2959)
 0 buffer contents valid
 1 buffer is dirty and must be written
 2 unbuffered I/O
 3 file is a character device

See Also: #2958