CSND Shared Memory: Difference between revisions
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This command is used for initializing IMA-ADPCM state(when IMA-ADPCM encoding is used), prior to using command 0xE. [[CSND]] <nowiki>channelslotregister+0x18 = (u16)cmdword[3] | ((cmdword[4] & 0xFF)<<16)</nowiki>. [[CSND]] channelslotregister+0x1C = 0. | This command is used for initializing IMA-ADPCM state(when IMA-ADPCM encoding is used), prior to using command 0xE. [[CSND]] <nowiki>channelslotregister+0x18 = (u16)cmdword[3] | ((cmdword[4] & 0xFF)<<16)</nowiki>. [[CSND]] channelslotregister+0x1C = 0. | ||
=Command 0xC= | |||
{| class="wikitable" border="1" | |||
|- | |||
! Index Byte | |||
! Size | |||
! Description | |||
|- | |||
| 0x2 | |||
| 2 | |||
| CmdID 0xB | |||
|- | |||
| 0xC | |||
| 2 | |||
| User processes set this to: [https://github.com/3dshax/ctr/blob/master/ctrtool/cwav.h cwav_imaadpcminfo.loopdata] | |||
|- | |||
| 0x10 | |||
| 1 | |||
| User processes set this to: [https://github.com/3dshax/ctr/blob/master/ctrtool/cwav.h cwav_imaadpcminfo.looptableindex] | |||
|- | |||
| 0x11 | |||
| 0xF | |||
| Unused, all-zero. | |||
|} | |||
This is used for initializing looping state for IMA-ADPCM encoding. <nowiki>channelslotregister+0x18 = (1<<31) | (u16)cmdword[3] | ((cmdword[4] & 0xFF)<<16)</nowiki>. | |||
=Command 0xE= | =Command 0xE= | ||