Int 41

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Acorn BBC Master 512 - OSGBPB - MULTI-BYTE GET/PUT

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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