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AL = function 01h put bytes sequentially 02h put bytes, ignoring sequential pointer 03h get bytes sequentially 04h get bytes, ignoring sequential pointer 05h get media title and boot option 06h get current device and directory 07h get current library and device 08h search directory DS:BX -> control block (see #03199)
Return:
CF clear if successful CF set on error AL = 00h if operation attempted AL unchanged if unsupported function
See Also: INT 40"Acorn" - INT 42"Acorn" - INT 43"Acorn"
Format of BBC Master control block: Offset Size Description (Table 03199) 00h BYTE file handle 01h DWORD pointer to data in either I/O processor or Tube processor 05h DWORD number of bytes to be transferred 09h DWORD transfer address
Category: Other Operating Systems - Int 41h - A
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