Editing Undocumented SPU Channels

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finalbuf: 86 03 51 66 28 F7 45 84 59 47 A0 CE
finalbuf: 86 03 51 66 28 F7 45 84 59 47 A0 CE
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== Channels 69, 70, and 71 ==
Performance monitor related. Described in rpcs3 source code. [https://github.com/RPCS3/rpcs3/blob/cf86b6c1072da4491e7a1e9f3f325890a83f6721/rpcs3/Emu/Cell/SPUThread.h#L43 Link]
SPU_Set_Bkmk_Tag    = 69, // Causes an event that can be logged in the performance monitor logic if enabled in the SPU.
                          // ps2_netemu VU1 and PS2-SPU2 spe programs write something to that channel.
SPU_PM_Start_Ev    = 70, // Starts the performance monitor event if enabled
SPU_PM_Stop_Ev      = 71, // Stops the performance monitor event if enabled
spu_rdchcnt() returns 1 for all of them.


== Channel 74 ==
== Channel 74 ==
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