From 4cc13339391ac148a9fefd78d02b2d37cfcf6098 Mon Sep 17 00:00:00 2001
From: kanjitalk755 <kanjitalk755@yahoo.co.jp>
Date: Sun, 8 Dec 2024 09:57:37 +0900
Subject: [PATCH] save speaker volume to XPRAM

---
 BasiliskII/src/SDL/audio_sdl.cpp | 2 ++
 BasiliskII/src/main.cpp          | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/BasiliskII/src/SDL/audio_sdl.cpp b/BasiliskII/src/SDL/audio_sdl.cpp
index 1c02c9f4..0f2fc07c 100644
--- a/BasiliskII/src/SDL/audio_sdl.cpp
+++ b/BasiliskII/src/SDL/audio_sdl.cpp
@@ -25,6 +25,7 @@
 #include "user_strings.h"
 #include "audio.h"
 #include "audio_defs.h"
+#include "xpram.h"
 
 #include <SDL_mutex.h>
 #include <SDL_audio.h>
@@ -369,6 +370,7 @@ void audio_set_speaker_volume(uint32 vol)
 	speaker_volume = ((vol >> 16) + (vol & 0xffff)) / 2;
 	if (speaker_volume > MAC_MAX_VOLUME)
 		speaker_volume = MAC_MAX_VOLUME;
+	XPRAM[8] = (XPRAM[8] & 0xf8) | (speaker_volume * 7 / 256 & 7);
 }
 
 static int get_audio_volume() {
diff --git a/BasiliskII/src/main.cpp b/BasiliskII/src/main.cpp
index e010a19c..7bc37f8e 100644
--- a/BasiliskII/src/main.cpp
+++ b/BasiliskII/src/main.cpp
@@ -38,6 +38,7 @@
 #include "user_strings.h"
 #include "prefs.h"
 #include "main.h"
+#include "audio.h"
 
 #define DEBUG 0
 #include "debug.h"
@@ -168,6 +169,9 @@ bool InitAll(const char *vmdir)
 
 	// Init audio
 	AudioInit();
+	int vol = (XPRAM[8] & 7) * 256 / 7;
+	vol += vol < 256;
+	audio_set_speaker_volume(vol | vol << 16);
 
 	// Init video
 	if (!VideoInit(ROMVersion == ROM_VERSION_64K || ROMVersion == ROM_VERSION_PLUS || ROMVersion == ROM_VERSION_CLASSIC))