From 2341b28c7f4cb222dededb44a69873e9ce57f315 Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Fri, 1 Mar 2024 01:58:48 +0600
Subject: [PATCH] Add FM_ESFM type

---
 src/include/86box/snd_opl.h | 6 +++++-
 src/sound/snd_opl.c         | 5 +++++
 src/sound/snd_opl_esfm.c    | 2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/include/86box/snd_opl.h b/src/include/86box/snd_opl.h
index 0d89589c4..441e2a119 100644
--- a/src/include/86box/snd_opl.h
+++ b/src/include/86box/snd_opl.h
@@ -22,7 +22,8 @@ enum fm_type {
     FM_YMF262  = 1, /* OPL3 */
     FM_YMF289B = 2, /* OPL3-L */
     FM_YMF278B = 3, /* OPL 4 */
-    FM_MAX     = 4
+    FM_ESFM    = 4, /* ESFM */
+    FM_MAX     = 5
 };
 
 enum fm_driver {
@@ -45,6 +46,7 @@ extern uint8_t fm_driver_get(int chip_id, fm_drv_t *drv);
 
 extern const fm_drv_t nuked_opl_drv;
 extern const fm_drv_t ymfm_drv;
+extern const fm_drv_t esfmu_opl_drv;
 
 #ifdef EMU_DEVICE_H
 extern const device_t ym3812_nuked_device;
@@ -54,6 +56,8 @@ extern const device_t ym3812_ymfm_device;
 extern const device_t ymf262_ymfm_device;
 extern const device_t ymf289b_ymfm_device;
 extern const device_t ymf278b_ymfm_device;
+
+extern const device_t esfm_esfmu_device;
 #endif
 
 #endif /*SOUND_OPL_H*/
diff --git a/src/sound/snd_opl.c b/src/sound/snd_opl.c
index 21cc66f04..d98b3ccc2 100644
--- a/src/sound/snd_opl.c
+++ b/src/sound/snd_opl.c
@@ -68,6 +68,11 @@ fm_driver_get(int chip_id, fm_drv_t *drv)
             *drv      = ymfm_drv;
             drv->priv = device_add_inst(&ymf278b_ymfm_device, fm_dev_inst[fm_driver][chip_id]++);
             break;
+        
+        case FM_ESFM:
+            *drv      = esfmu_opl_drv;
+            drv->priv = device_add_inst(&esfm_esfmu_device, fm_dev_inst[fm_driver][chip_id]++);
+            break;
 
         default:
             return 0;
diff --git a/src/sound/snd_opl_esfm.c b/src/sound/snd_opl_esfm.c
index 47796a911..d8e350418 100644
--- a/src/sound/snd_opl_esfm.c
+++ b/src/sound/snd_opl_esfm.c
@@ -202,7 +202,7 @@ const device_t esfm_esfmu_device = {
     .name          = "ESS Technology ESFM (ESFMu)",
     .internal_name = "esfm_esfmu",
     .flags         = 0,
-    .local         = 0,
+    .local         = FM_ESFM,
     .init          = esfm_drv_init,
     .close         = esfm_drv_close,
     .reset         = NULL,