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-rw-r--r--engines/scumm/imuse/sysex_scumm.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/engines/scumm/imuse/sysex_scumm.cpp b/engines/scumm/imuse/sysex_scumm.cpp
index 0987ab5553..98b8ed934e 100644
--- a/engines/scumm/imuse/sysex_scumm.cpp
+++ b/engines/scumm/imuse/sysex_scumm.cpp
@@ -54,7 +54,8 @@ void sysexHandler_Scumm(Player *player, const byte *msg, uint16 len) {
// BYTE 00: Channel #
// BYTE 02: BIT 01(0x01): Part on?(1 = yes)
// BIT 02(0x02): Reverb? (1 = yes) [bug #1088045]
- // BYTE 04: Priority adjustment [guessing]
+ // BYTE 03: Priority adjustment(upper 4 bits)
+ // BYTE 04: Priority adjustment(lower 4 bits)
// BYTE 05: Volume(upper 4 bits) [guessing]
// BYTE 06: Volume(lower 4 bits) [guessing]
// BYTE 07: Pan(upper 4 bits) [bug #1088045]
@@ -73,7 +74,7 @@ void sysexHandler_Scumm(Player *player, const byte *msg, uint16 len) {
if (part) {
part->set_onoff(p[2] & 0x01);
part->effectLevel((p[2] & 0x02) ? 127 : 0);
- part->set_pri(p[4]);
+ part->set_pri((p[3] << 4) | p[4]);
part->volume((p[5] & 0x0F) << 4 |(p[6] & 0x0F));
part->set_pan((p[7] & 0x0F) << 4 | (p[8] & 0x0F));
part->_percussion = player->_isMIDI ? ((p[9] & 0x08) > 0) : false;