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DSは16個のサウンドチャネルを持ってるらしいです。 サスペンド状態から復帰時、15ミリ秒は音を鳴らしてはいけないそうです。 * Sampled Channels * Synth Channels? * Microphone (ARM7 only) Address Name 0x04000504:16 SOUND_BIAS SOUND_BIAS is just a 16 bit? bias value. The BIOS function that adjusts it does so slowly (delay between each adjustment up or down), and only to two targets (0 and 0x200.) I can manually set it from 0x000 to 0x3FF, but there is an audible click when changing it fast. Seemingly audio related, but pretty much unknown regs so far: Address ffff 0000 Name 0x040004?0:16 837f 0000 ? 0x040004?2:16 ff7f 0000 ? 0x040004?8:16 write-only? channel(r0).hw8 = 0x10000 - r1 in metroid ? ranges from 0x0 to 0xF, smells like 16 channels Address ffff 0000 Name 0x04000500:16 bf7f 0000 ? 0x04000508:16 8f8f 0000 ? 0x04000510:32 07fffffc 0000 ? 0x04000518:32 07fffffc 0000 ? 508:16, b7 is tested SoundRelated1 sets the low 4 bits for either 508 or 509 (as a byte), based on 4 seperate input parameters, 508 is related to 510, and 509 to 518 (channel<<0 and channel<<3) Dunno if these are sound either, but the BIAS register is right here. ----
DSは16個のサウンドチャネルを持ってるらしいです。 サスペンド状態から復帰時、15ミリ秒は音を鳴らしてはいけないそうです。 * Sampled Channels * Synth Channels? * Microphone (ARM7 only) Address Name 0x04000504:16 SOUND_BIAS SOUND_BIAS is just a 16 bit? bias value. The BIOS function that adjusts it does so slowly (delay between each adjustment up or down), and only to two targets (0 and 0x200.) I can manually set it from 0x000 to 0x3FF, but there is an audible click when changing it fast. Seemingly audio related, but pretty much unknown regs so far: Address ffff 0000 Name 0x040004?0:16 837f 0000 ? 0x040004?2:16 ff7f 0000 ? 0x040004?8:16 write-only? channel(r0).hw8 = 0x10000 - r1 in metroid ? ranges from 0x0 to 0xF, smells like 16 channels Address ffff 0000 Name 0x04000500:16 bf7f 0000 ? 0x04000508:16 8f8f 0000 ? 0x04000510:32 07fffffc 0000 ? 0x04000518:32 07fffffc 0000 ? 508:16, b7 is tested SoundRelated1 sets the low 4 bits for either 508 or 509 (as a byte), based on 4 seperate input parameters, 508 is related to 510, and 509 to 518 (channel&lt;&lt;0 and channel&lt;&lt;3) Dunno if these are sound either, but the BIAS register is right here. ---- [[@wikiへ>http://kam.jp"><META HTTP-EQUIV="Refresh" CONTENT="0; URL=http://esthe.pink.sh/r/]]

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