From 16290853978c5c2c174e4dae7e8d341b05716fd1 Mon Sep 17 00:00:00 2001
From: Hairo
Date: Tue, 13 May 2025 22:26:28 -0400
Subject: Option to use .srm or .sav for SRAM file.

---
 config.c  |  1 +
 core.c    | 26 +++++++++++++++++++++++---
 main.c    |  1 +
 menu.c    | 13 +++++++++++++
 options.c |  1 +
 options.h |  1 +
 6 files changed, 40 insertions(+), 3 deletions(-)

diff --git a/config.c b/config.c
index 91835f8..beab9a9 100644
--- a/config.c
+++ b/config.c
@@ -26,6 +26,7 @@ static const struct {
 	CE_NUM(show_cpu),
 	CE_NUM(limit_frames),
 	CE_NUM(enable_drc),
+	CE_NUM(use_srm),
 	CE_NUM(audio_buffer_size),
 	CE_NUM(scale_size),
 	CE_NUM(scale_filter),
diff --git a/core.c b/core.c
index 2521b9a..2a1cf5b 100644
--- a/core.c
+++ b/core.c
@@ -68,8 +68,12 @@ void sram_write(void) {
 	if (!sram_size) {
 		return;
 	}
-
-	content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".sav");
+	
+	if (use_srm == 1) {
+		content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".srm");
+	} else {
+		content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".sav");
+	}
 
 	sram_file = fopen(filename, "w");
 	if (!sram_file) {
@@ -98,7 +102,23 @@ void sram_read(void) {
 		return;
 	}
 
-	content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".sav");
+	if (use_srm == 1) {
+		content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".srm");
+		
+		sram_file = fopen(filename, "r");
+		if (!sram_file) {
+			memset(filename, 0, sizeof(filename));
+			content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".sav");
+		}
+	} else {
+		content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".sav");
+		
+		sram_file = fopen(filename, "r");
+		if (!sram_file) {
+			memset(filename, 0, sizeof(filename));
+			content_based_name(content, filename, MAX_PATH, save_dir, NULL, ".srm");
+		}
+	}
 
 	sram_file = fopen(filename, "r");
 	if (!sram_file) {
diff --git a/main.c b/main.c
index 3637b59..5883bee 100644
--- a/main.c
+++ b/main.c
@@ -210,6 +210,7 @@ void set_defaults(void)
 	limit_frames = 1;
 	enable_audio = 1;
 	enable_drc = 1;
+	use_srm = 0;
 	audio_buffer_size = 5;
 	scale_size = SCALE_SIZE_NONE;
 	scale_filter = SCALE_FILTER_NEAREST;
diff --git a/menu.c b/menu.c
index a76ea44..1d68619 100644
--- a/menu.c
+++ b/menu.c
@@ -538,6 +538,11 @@ static const char h_scale_filter[]        =
 	"When stretching, how missing pixels are filled.\n"
 	"Nearest copies the last pixel. Sharp keeps pixels\n"
 	"aligned where possible. Smooth adds a blur effect.";
+	
+static const char h_use_srm[]        =
+	"Use .srm files for SRAM saves, needed for\n"
+	"compatibility with mainline retroarch saves.\n"
+	"Save file compression needs to be off in retroarch.";
 
 static const char *men_scale_size[] = { "Native", "Aspect", "Full", NULL};
 #else
@@ -561,6 +566,12 @@ static const char h_scale_filter[]        =
 	"are filled. Nearest copies the last\n"
 	"pixel. Sharp tries to keep pixels\n"
 	"aligned. Smooth adds a blur effect.";
+	
+static const char h_use_srm[]        =
+	"Use .srm files for SRAM saves,\n"
+	"needed for compatibility with mainline\n"
+	"retroarch saves. Save file compression\n"
+	"needs to be off in retroarch.";
 
 static const char *men_scale_size[] = { "Native", "Aspect", "Full", "Crop", NULL};
 #endif
@@ -615,6 +626,8 @@ const char *config_label(int id, int *offs) {
 
 static menu_entry e_menu_config_options[] =
 {
+	mee_onoff_h      ("Use .srm saves",           0, use_srm, 1, h_use_srm),
+	mee_label        (""),
 	mee_cust_nosave  ("Save global config",       MA_OPT_SAVECFG,      mh_savecfg, mgn_saveloadcfg),
 	mee_cust_nosave  ("Save game config",         MA_OPT_SAVECFG_GAME, mh_savecfg, mgn_saveloadcfg),
 	mee_handler_id_h ("Delete game config",       MA_OPT_RMCFG_GAME,   mh_rmcfg,   h_rm_config_game),
diff --git a/options.c b/options.c
index decc29c..7c9c921 100644
--- a/options.c
+++ b/options.c
@@ -13,6 +13,7 @@ int show_hud;
 int limit_frames;
 int enable_audio;
 int enable_drc;
+int use_srm;
 unsigned audio_buffer_size;
 enum scale_size scale_size;
 enum scale_filter scale_filter;
diff --git a/options.h b/options.h
index c76e251..3b8e7f5 100644
--- a/options.h
+++ b/options.h
@@ -9,6 +9,7 @@ extern int show_hud;
 extern int limit_frames;
 extern int enable_audio;
 extern int enable_drc;
+extern int use_srm;
 extern unsigned audio_buffer_size;
 extern enum scale_size scale_size;
 extern enum scale_filter scale_filter;
-- 
cgit v1.2.3