It's always a missing 4 that makes it b0rk

diff --git a/libctru/source/services/csnd.c b/libctru/source/services/csnd.c
index 40494fc875b13f2c58a573b86843f514e015c987..c8aacfdf488415ea8f096d934d5c387d7494a478 100644 (file)
--- a/libctru/source/services/csnd.c
+++ b/libctru/source/services/csnd.c
@@ -187,10 +187,11 @@ Result csndExecChnCmds(bool waitDone)
        if (csndCmdStartOff == csndCmdCurOff)
                return 0;
 
-       vu8* flag = (vu8*)&csndSharedMem[csndCmdStartOff>>2];
+       vu8* flag = (vu8*)&csndSharedMem[(csndCmdStartOff + 4) >> 2];
 
        ret = CSND_ExecChnCmds(csndCmdStartOff);
        csndCmdStartOff = csndCmdCurOff;
+       if (ret != 0) return ret;
 
        // FIXME: This is a really ugly busy waiting loop!
        while (waitDone && *flag == 0);