From 1838e016dff5f71b68a08d5f8b88edbf45438d11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lumi=C3=A8re=20=C3=89lev=C3=A9?=
 <88174309+PoneyClairDeLune@users.noreply.github.com>
Date: Fri, 2 Aug 2024 16:36:48 +0000
Subject: [PATCH] Corrected the drum NRPN. lookup table.

---
 src/state/index.mjs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/state/index.mjs b/src/state/index.mjs
index 468f391..adfa252 100644
--- a/src/state/index.mjs
+++ b/src/state/index.mjs
@@ -258,17 +258,24 @@ const overrides = {
 const ccOffTable = new Uint16Array(allocated.ch);
 const rpnOffTable = new Uint16Array(allocated.ch);
 const nrpnOffTable = new Uint16Array(allocated.ch);
-const dNrpnOffTable = new Uint16Array(allocated.ch);
 const aceOffTable = new Uint16Array(allocated.ch);
 const extOffTable = new Uint16Array(allocated.ch);
+const dNrpnOffTable = new Array(allocated.drm);
 for (let i = 0; i < allocated.ch; i ++) {
 	ccOffTable[i] = i * allocated.cc;
 	rpnOffTable[i] = i * allocated.rpn;
 	nrpnOffTable[i] = i * allocated.nrpn;
-	dNrpnOffTable[i] = i * allocated.dpn;
+	//dNrpnOffTable[i] = i * allocated.dpn;
 	aceOffTable[i] = i * allocated.ace;
 	extOffTable[i] = i * allocated.ext;
 };
+for (let i0 = 0; i0 < allocated.drm; i0 ++) {
+	dNrpnOffTable[i0] = new Uint16Array(allocated.dpn);
+	let drumOff0 = i0 * allocated.dpn * allocated.dnc;
+	for (let i1 = 0; i1 < allocated.dpn; i1 ++) {
+		dNrpnOffTable[i0][i1] = drumOff0 + i1 * allocated.dnc;
+	};
+};
 
 /*
 Extensions: