Fixed save states. You can now save and restore your game progress.

ipkg/control

@@ -1,5 +1,5 @@
 Package: gngeo
-Version: 20191117
+Version: 20191119
 Description: NeoGeo MVS/AES emulator
 Section: emus
 Priority: optional

ipkg/postinst

@@ -1,7 +1,4 @@
 #!/bin/sh
 
+# Make sure that the default directory gets created
 mkdir -p /home/retrofw/emus/gngeo/roms
-mkdir -p /home/retrofw/roms/neogeo
-mkdir -p /home/retrofw/.gngeo
-
-echo "ROM directories created."

opkg/default.gcw0.desktop

@@ -7,6 +7,6 @@ Type=Game
 StartupNotify=true
 Icon=gngeo32
 Categories=emulators;
-Version=201911178
+Version=20191119
 X-OD-Manual=gngeo.man.txt
 X-OD-NeedsDownscaling=true

opkg/default.retrofw.desktop

@@ -7,6 +7,6 @@ Type=Game
 StartupNotify=true
 Icon=gngeo
 Categories=emulators;
-Version=20191117
+Version=20191119
 X-OD-Manual=gngeo.man.txt
 X-OD-NeedsDownscaling=true

src/roms.c

@@ -29,6 +29,9 @@
 #include "ym2610-940/940shared.h"
 #endif
 
+extern int exists(char *path);
+extern char* getHomePath(char *subpath);
+
 /* Prototype */
 void kof98_decrypt_68k(GAME_ROMS *r);
 void kof99_decrypt_68k(GAME_ROMS *r);
@@ -1908,7 +1911,9 @@ void dr_free_roms(GAME_ROMS *r) {
 void open_nvram(char *name) {
     char *filename;
     size_t totread = 0;
-#ifdef EMBEDDED_FS
+#ifdef DINGUX
+	char *gngeo_dir=getHomePath(".gngeo/save/");
+#elif EMBEDDED_FS
     const char *gngeo_dir = ROOTPATH"save/";
 #elif defined(__AMIGA__)
     const char *gngeo_dir = "/PROGDIR/save/";
@@ -1928,11 +1933,15 @@ void open_nvram(char *name) {
 
 }
 
+extern char* getHomePath(char *subpath);
+
 /* TODO: multiple memcard */
 void open_memcard(char *name) {
     char *filename;
     size_t totread = 0;
-#ifdef EMBEDDED_FS
+#ifdef DINGUX
+	char *gngeo_dir=getHomePath(".gngeo/save/");
+#elif EMBEDDED_FS
     const char *gngeo_dir = ROOTPATH"save/";
 #elif defined(__AMIGA__)
     const char *gngeo_dir = "/PROGDIR/save/";
@@ -1953,7 +1962,9 @@ void open_memcard(char *name) {
 
 void save_nvram(char *name) {
     char *filename;
-#ifdef EMBEDDED_FS
+#ifdef DINGUX
+	char *gngeo_dir=getHomePath(".gngeo/save/");
+#elif EMBEDDED_FS
     const char *gngeo_dir = ROOTPATH"save/";
 #elif defined(__AMIGA__)
     const char *gngeo_dir = strdup("/PROGDIR/save/");
@@ -1983,7 +1994,9 @@ void save_nvram(char *name) {
 
 void save_memcard(char *name) {
     char *filename;
-#ifdef EMBEDDED_FS
+#ifdef DINGUX
+	char *gngeo_dir=getHomePath(".gngeo/save/");
+#elif EMBEDDED_FS
     const char *gngeo_dir = ROOTPATH"save/";
 #elif defined(__AMIGA__)
     const char *gngeo_dir = strdup("/PROGDIR/save/");

src/state.c

@@ -6,6 +6,7 @@
 #include "SDL_endian.h"
 #include <stdlib.h>
 #include <string.h>
+#include <sys/stat.h>
 #if defined(HAVE_LIBZ) && defined (HAVE_MMAP)
 #include <zlib.h>
 #endif
@@ -69,6 +70,10 @@ SDL_Surface *state_img_tmp;
 void cpu_68k_mkstate(gzFile gzf,int mode);
 void cpu_z80_mkstate(gzFile gzf,int mode);
 void ym2610_mkstate(gzFile gzf,int mode);
+
+extern int exists(char *path);
+extern char* getHomePath(char *subpath);
+
 #if 0
 void create_state_register(ST_MODULE_TYPE module,const char *reg_name,
 			   Uint8 num,void *data,int size,ST_DATA_TYPE type) {
@@ -148,11 +153,14 @@ void swap_buf32_if_need(Uint8 src_endian,Uint32* buf,Uint32 size)
     }
 }
 #endif
+
 Uint32 how_many_slot(char *game) {
 	char *st_name;
 	FILE *f;
 //    char *st_name_len;
-#ifdef EMBEDDED_FS
+#ifdef DINGUX
+	char *gngeo_dir=getHomePath(".gngeo/save/");
+#elif EMBEDDED_FS
 	char *gngeo_dir=ROOTPATH"save/";
 #else
 	char *gngeo_dir=get_gngeo_dir();
@@ -173,7 +181,9 @@ Uint32 how_many_slot(char *game) {
 static gzFile open_state(char *game,int slot,int mode) {
 	char *st_name;
 //    char *st_name_len;
-#ifdef EMBEDDED_FS
+#ifdef DINGUX
+	char *gngeo_dir=getHomePath(".gngeo/save/");
+#elif EMBEDDED_FS
 	char *gngeo_dir=ROOTPATH"save/";
 #else
 	char *gngeo_dir=get_gngeo_dir();
@@ -183,6 +193,8 @@ static gzFile open_state(char *game,int slot,int mode) {
 	gzFile gzf;
 	int  flags;
 	Uint32 rate;
+
+    if(!exists(gngeo_dir)) mkdir(gngeo_dir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
 
     st_name=(char*)alloca(strlen(gngeo_dir)+strlen(game)+5);
     sprintf(st_name,"%s%s.%03d",gngeo_dir,game,slot);