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Bitfields for CD-ROM device parameters

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Bit Description

0

door open

1

door unlocked

2

supports raw reading in addition to cooked

3

writable

4

can play audio/video tracks

5

supports interleaving

6

reserved

7

supports prefetch requests

8

supports audio channel control

9

supports Red Book addressing in addition to HSG

10

audio is playing

11

no disk in drive

12

supports R-W subchannels