From 45196daf95ef5feeb5fec4116664f099243dc086 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Sun, 7 Aug 2022 01:32:28 -0500
Subject: [PATCH] Game Boy: fix serious typo

---
 src/engine/instrument.cpp |  2 +-
 src/engine/instrument.h   | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/engine/instrument.cpp b/src/engine/instrument.cpp
index 37c6a9b2..b1afc395 100644
--- a/src/engine/instrument.cpp
+++ b/src/engine/instrument.cpp
@@ -534,7 +534,7 @@ void DivInstrument::putInsData(SafeWriter* w) {
 
   // GB hardware sequence
   w->writeC(gb.hwSeqLen);
-  for (int i=0; gb.hwSeqLen; i++) {
+  for (int i=0; i<gb.hwSeqLen; i++) {
     w->writeC(gb.hwSeq[i].cmd);
     w->writeS(gb.hwSeq[i].data);
   }
diff --git a/src/engine/instrument.h b/src/engine/instrument.h
index 33e2856b..eddf9f79 100644
--- a/src/engine/instrument.h
+++ b/src/engine/instrument.h
@@ -262,6 +262,16 @@ struct DivInstrumentSTD {
 
 struct DivInstrumentGB {
   unsigned char envVol, envDir, envLen, soundLen, hwSeqLen;
+  enum HWSeqCommands: unsigned char {
+    DIV_GB_HWCMD_ENVELOPE=0,
+    DIV_GB_HWCMD_SWEEP,
+    DIV_GB_HWCMD_WAIT,
+    DIV_GB_HWCMD_WAIT_REL,
+    DIV_GB_HWCMD_LOOP,
+    DIV_GB_HWCMD_LOOP_REL,
+
+    DIV_GB_HWCMD_MAX
+  };
   struct HWSeqCommand {
     unsigned char cmd;
     unsigned short data;