shithub: choc

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Implement the fine tuning field, based on research.

Subversion-branch: /branches/opl-branch
Subversion-revision: 1664

--- a/src/i_oplmusic.c

+++ b/src/i_oplmusic.c

@@ -839,6 +839,14 @@

     freq_index = 64 + 32 * voice->note + voice->channel->bend;

+    // If this is the second voice of a double voice instrument, the

+    // frequency index can be adjusted by the fine tuning field.

+

+    if (voice->current_instr_voice != 0)

+    {

+        freq_index += (voice->current_instr->fine_tuning / 2) - 64;

+    }

+

     // The first 7 notes use the start of the table, while

     // consecutive notes loop around the latter part.