System Menu/BS2

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States taken from System Menu 257 (3.1U)

Types

State number action next states
0 prints out status flags ("No Disk", "Drive Reset", "Wait Spinup", "Boot from Cache"), delay?, enable waiting-for-disk? 2, 52
1 delay 2
2 delay, check for update, enable waiting-for-disk?, DVDResetAsync 3
3 bs2_issue_dvd_command, delay, __DVDGetCoverStatusAsync, create cache.dat? 4
4 ReadDriveInfo via cache.dat or DVDInquiryAsync 5
5 Update cache.dat if necessary, setup 800030E6 [16bit] based on drive info 8
6
7
8 Read 0x20 bytes of disk id [from cache.dat or disk via DVDReadDiskID] 9
9 Update cache.dat if necessary, copy the 0x20 byte long disk id to 0x80000000.
 if [disk_id + 0x18] is 0x5d1c9ea3, and the [disk_id + 0] is not 'RAAE', treat as a wii disc.
 otherwise, if [disk_id + 0x1c] is 0xc2339f3d, treat as gamecube disk
 otherwise, the disk type is unknown
gamecube disk = 11, wii disk = 15, unknown = 54
10
11 if not waiting for a disk, exit to state 50

if waiting, disable the waiting-for-disk and check streaming [0x80000008]

if streaming and no streaming buffer size defined [0x80000009], set to size 10

if streaming, setup via __DVDAudioBufferConfig

12
12 wait for DVD command to finish 13
13 async unencrypted 0x2000 byte dvd read 14
14 wait for DVD command to finish

once finished, check game region

region ok = 50

region not match = 54

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