Initialize with set_volume()

Restores volume settings with mode changes and resets.

sw/cdrom/cdrom.c

@@ -608,6 +608,7 @@ cdrom_global_init(void)
     memset(&cdrom, 0x00, sizeof(cdrom));
     cdrom.error_str = cdrom_errorstr_get();
     cdrom.current_sector_samples = (int16_t*)cdrom.audio_sector_buffer;
+    set_volume(MODE_CDVOL);
 }
 
 static void

sw/gus-x.cpp

@@ -1889,4 +1889,5 @@ void GUS_Setup() {
         interp_set_config(interp0, 1, &cfg);
 #endif
         clamp_setup();
+        set_volume(MODE_GUSVOL);
 }

sw/psgplay.cpp

@@ -102,6 +102,7 @@ struct audio_buffer_pool *init_audio() {
     ok = audio_i2s_connect_extra(producer_pool, false, 0, 0, NULL);
     assert(ok);
     audio_i2s_set_enabled(true);
+    set_volume(MODE_PSGVOL);
     return producer_pool;
 }
 

sw/sbplay.cpp

@@ -146,6 +146,7 @@ void play_adlib() {
     puts("starting core 1");
     // flash_safe_execute_core_init();
     uint32_t start, end;
+    set_volume(MODE_OPLVOL);
 
 #if defined(SOUND_SB) || defined(USB_MOUSE) || defined(SOUND_MPU)
     // Init PIC on this core so it handles timers
@@ -183,6 +184,7 @@ void play_adlib() {
     uint32_t sb_frac = 0;
     // uint32_t sb_sample_idx = 0x0;
     uint32_t sb_left = 0;
+    set_volume(MODE_SBVOL);
 #endif
 
     uint32_t cd_left = 0;