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CD-ROM v2.00+ - GET/SET VOLUME DESCRIPTOR PREFERENCE

AX = 150Eh
BX = subfunction
00h get preference
DX = 0000h
Return:
DX = preference settings
01h set preference
DH = volume descriptor preference
01h = primary volume descriptor
02h = supplementary volume descriptor
DL = supplementary volume descriptor preference
01h = shift-Kanji.
CX = drive number (0=A:)

Return:
CF set on error
AX = error code (15=invalid drive,1=invalid function)
CF clear if successful

Category: Disk I/O Enhancements - Int 2Fh - C

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