diff --git a/Makefile b/Makefile
index 758490e..1d701bb 100644
--- a/Makefile
+++ b/Makefile
@@ -171,13 +171,17 @@ else ifeq ($(platform), qnx)
 	PLATFORM_DEFINES := -D__BLACKBERRY_QNX__ -fexceptions -marm -mcpu=cortex-a9 -mfpu=neon -mfloat-abi=softfp
 
 # Lightweight PS3 Homebrew SDK
-else ifeq ($(platform), psl1ght)
-	TARGET := $(TARGET_NAME)_libretro_psl1ght.a
-	CC = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
-	CC_AS = $(PS3DEV)/ppu/bin/ppu-gcc$(EXE_EXT)
-	CXX = $(PS3DEV)/ppu/bin/ppu-g++$(EXE_EXT)
-	AR = $(PS3DEV)/ppu/bin/ppu-ar$(EXE_EXT)
-	PLATFORM_DEFINES := 
+else ifneq (,$(filter $(platform), ps3 psl1ght))
+	ifeq ($(platform), psl1ght)
+		PLATFORM_DEFINES := -D__PS3__ -D__PSLIGHT__
+	else
+		PLATFORM_DEFINES := -D__PS3__
+	endif
+	TARGET := $(TARGET_NAME)_libretro_$(platform).a
+	CC = $(PS3DEV)/ppu/bin/ppu-$(COMMONLV)gcc$(EXE_EXT)
+	CC_AS = $(PS3DEV)/ppu/bin/ppu-$(COMMONLV)gcc$(EXE_EXT)
+	CXX = $(PS3DEV)/ppu/bin/ppu-$(COMMONLV)g++$(EXE_EXT)
+	AR = $(PS3DEV)/ppu/bin/ppu-$(COMMONLV)ar$(EXE_EXT)
 	STATIC_LINKING = 1
 	HAVE_COMPAT = 1
 
diff --git a/atari800/src/atari.c b/atari800/src/atari.c
index f71bc4a..d099618 100644
--- a/atari800/src/atari.c
+++ b/atari800/src/atari.c
@@ -443,7 +443,9 @@ int Atari800_Initialise(int *argc, char *argv[])
 #if defined(__LIBRETRO__)
 	SYSROM_FindInDir(retro_system_directory, TRUE);
 #endif
+#if !defined(__PS3__) && !defined(__PSL1GHT__)
 	SYSROM_FindInDir(".", TRUE); /* current directory */
+#endif
 #if defined(unix) || defined(__unix__) || defined(__linux__)
 	SYSROM_FindInDir("/usr/share/atari800", TRUE);
 #endif
diff --git a/atari800/src/cfg.c b/atari800/src/cfg.c
index 224c8ff..90b721a 100644
--- a/atari800/src/cfg.c
+++ b/atari800/src/cfg.c
@@ -64,6 +64,9 @@
 #endif
 
 int CFG_save_on_exit = FALSE;
+#if defined(__LIBRETRO__)
+extern const char *retro_system_directory;
+#endif
 
 /* If another default path config path is defined use it
    otherwise use the default one */
@@ -75,6 +78,10 @@ int CFG_save_on_exit = FALSE;
 #define SYSTEM_WIDE_CFG_FILE "/etc/atari800.cfg"
 #endif
 
+#if defined (__PS3__) || defined(__PSL1GHT__)
+#define DEFAULT_CFG_NAME "/atari800.cfg"
+#endif
+
 #ifdef WIIU
 #define DEFAULT_CFG_NAME "sd:/retroarch/cores/system/atari800.cfg"
 #define SYSTEM_WIDE_CFG_FILE "sd:/retroarch/cores/system/atari800.cfg"
@@ -101,11 +108,16 @@ int CFG_LoadConfig(const char *alternate_config_filename)
 	}
 	/* else use the default config name under the HOME folder */
 	else {
+#if !defined(__PS3__) && !defined(__PSL1GHT__)
 		char *home = getenv("HOME");
 		if (home != NULL)
 			Util_catpath(rtconfig_filename, home, DEFAULT_CFG_NAME);
 		else
 			strcpy(rtconfig_filename, DEFAULT_CFG_NAME);
+#else
+		strcpy(rtconfig_filename, retro_system_directory);
+		strcat(rtconfig_filename, DEFAULT_CFG_NAME);
+#endif
 	}
 
 	fp = fopen(fname, "r");
diff --git a/atari800/src/devices.h b/atari800/src/devices.h
index 9c707d1..b24bef1 100644
--- a/atari800/src/devices.h
+++ b/atari800/src/devices.h
@@ -4,6 +4,12 @@
 #include <stdio.h> /* FILENAME_MAX */
 #include "atari.h" /* UWORD */
 
+#if defined(__PS3__) && !defined(__PSL1GHT__)
+#define S_IREAD S_IRUSR
+#define S_IWRITE S_IWUSR
+#define S_ISDIR(mode)  (((mode) & S_IFMT) == S_IFDIR)
+#endif
+
 int Devices_Initialise(int *argc, char *argv[]);
 void Devices_Exit(void);
 int Devices_PatchOS(void);
diff --git a/atari800/src/ide.c b/atari800/src/ide.c
index 7ce2a7b..f8413d3 100644
--- a/atari800/src/ide.c
+++ b/atari800/src/ide.c
@@ -81,7 +81,7 @@
 #  define fseeko _fseek
 #  define ftello _ftell
 #  define PRId64 "lld"
-#elif defined (__DJGPP__)
+#elif defined (__DJGPP__) || defined(__PS3__) && !defined(__PSL1GHT__)
 #  define fseeko fseek
 #  define ftello ftell
 #  define PRId64 "lld"
diff --git a/atari800/src/ui_basic.c b/atari800/src/ui_basic.c
index 708e648..baed0ad 100644
--- a/atari800/src/ui_basic.c
+++ b/atari800/src/ui_basic.c
@@ -44,6 +44,9 @@
 #ifdef HAVE_WINDOWS_H
 #include <windows.h>
 #endif
+#if defined(__PS3__) && !defined(__PSL1GHT__)
+#include "devices.h"
+#endif
 
 #include "antic.h"
 #include "atari.h"
diff --git a/atari800/src/util.c b/atari800/src/util.c
index 970cf32..0fbc6d8 100644
--- a/atari800/src/util.c
+++ b/atari800/src/util.c
@@ -57,6 +57,11 @@
 #include <pspthreadman.h>
 #endif
 
+#if defined(__PS3__) && !defined(__PSL1GHT__)
+#include <sys/timer.h>
+#define usleep sys_timer_usleep
+#endif
+
 #include "atari.h"
 #include "platform.h"
 #include "util.h"
diff --git a/libretro/config.h b/libretro/config.h
index 589451f..b5be5e3 100644
--- a/libretro/config.h
+++ b/libretro/config.h
@@ -583,3 +583,33 @@
 #undef HAVE_NANOSLEEP
 
 #endif
+
+#if defined(__PS3__) && !defined(__PSL1GHT__)
+#undef HAVE_FSEEKO
+#undef HAVE_GETCWD
+#undef HAVE_NANOSLEEP
+#undef HAVE_MKSTEMP
+#undef HAVE_MKTEMP
+#undef HAVE_SIGNAL
+#undef HAVE_SIGNAL_H
+#undef HAVE_SYSTEM
+#undef HAVE_TMPFILE
+#undef HAVE_TMPNAM
+#undef HAVE_STRINGS_H
+#include <cell/cell_fs.h>
+#define O_RDONLY CELL_FS_O_RDONLY
+#define O_WRONLY CELL_FS_O_WRONLY
+#define O_CREAT CELL_FS_O_CREAT
+#define O_TRUNC CELL_FS_O_TRUNC
+#define O_RDWR CELL_FS_O_RDWR
+#define sysFsStat cellFsStat
+#define sysFSStat CellFsStat
+#define sysFSDirent CellFsDirent
+#define sysFsOpendir cellFsOpendir
+#define sysFsReaddir cellFsReaddir
+#define sysFSDirent CellFsDirent
+#define sysFsClosedir cellFsClosedir
+#define WORDS_BIGENDIAN 1
+#define FS_SUCCEEDED 0
+#define FS_TYPE_DIR 1
+#endif
diff --git a/libretro/libretro-common/include/memmap.h b/libretro/libretro-common/include/memmap.h
index ebbc307..8897877 100644
--- a/libretro/libretro-common/include/memmap.h
+++ b/libretro/libretro-common/include/memmap.h
@@ -26,7 +26,7 @@
 #include <stdio.h>
 #include <stdint.h>
 
-#if defined(PSP) || defined(PS2) || defined(GEKKO) || defined(VITA) || defined(_XBOX) || defined(_3DS) || defined(WIIU) || defined(SWITCH) || defined(HAVE_LIBNX)
+#if defined(PSP) || defined(PS2) || defined(GEKKO) || defined(VITA) || defined(_XBOX) || defined(_3DS) || defined(WIIU) || defined(SWITCH) || defined(HAVE_LIBNX) || defined(__PS3__) || defined(__PSL1GHT__)
 /* No mman available */
 #elif defined(_WIN32) && !defined(_XBOX)
 #include <windows.h>
diff --git a/libretro/libretro-common/vfs/vfs_implementation.c b/libretro/libretro-common/vfs/vfs_implementation.c
index 034d8f3..46259e6 100644
--- a/libretro/libretro-common/vfs/vfs_implementation.c
+++ b/libretro/libretro-common/vfs/vfs_implementation.c
@@ -909,6 +909,19 @@ int retro_vfs_stat_impl(const char *path, int32_t *size)
    orbisDclose(dir_ret);
 
    is_character_special      = S_ISCHR(buf.st_mode);
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+   /* Lowlevel Lv2 */
+   sysFSStat buf;
+
+   if (!path || !*path)
+       return 0;
+   if (sysFsStat(path, &buf) < 0)
+       return 0;
+
+   if (size)
+       *size = (int32_t)buf.st_size;
+
+   is_dir = ((buf.st_mode & S_IFMT) == S_IFDIR);
 #elif defined(_WIN32)
    /* Windows */
    DWORD file_info;
@@ -1081,6 +1094,10 @@ struct libretro_vfs_implementation_dir
 #elif defined(VITA) || defined(PSP)
    SceUID directory;
    SceIoDirent entry;
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+   int error;
+   int directory;
+   sysFSDirent entry;
 #elif defined(ORBIS)
    int directory;
    struct dirent entry;
@@ -1096,6 +1113,8 @@ static bool dirent_check_error(libretro_vfs_implementation_dir *rdir)
    return (rdir->directory == INVALID_HANDLE_VALUE);
 #elif defined(VITA) || defined(PSP) || defined(ORBIS)
    return (rdir->directory < 0);
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+    return (rdir->error != FS_SUCCEEDED);
 #else
    return !(rdir->directory);
 #endif
@@ -1159,6 +1178,8 @@ libretro_vfs_implementation_dir *retro_vfs_opendir_impl(
 #elif defined(_3DS)
    rdir->directory       = !string_is_empty(name) ? opendir(name) : NULL;
    rdir->entry           = NULL;
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+   rdir->error = sysFsOpendir(name, &rdir->directory);
 #elif defined(ORBIS)
    rdir->directory       = orbisDopen(name);
 #else
@@ -1194,6 +1215,10 @@ bool retro_vfs_readdir_impl(libretro_vfs_implementation_dir *rdir)
    return (rdir->directory != INVALID_HANDLE_VALUE);
 #elif defined(VITA) || defined(PSP)
    return (sceIoDread(rdir->directory, &rdir->entry) > 0);
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+    uint64_t nread;
+    rdir->error = sysFsReaddir(rdir->directory, &rdir->entry, &nread);
+    return (nread != 0);
 #elif defined(ORBIS)
    return (orbisDread(rdir->directory, &rdir->entry) > 0);
 #else
@@ -1214,7 +1239,7 @@ const char *retro_vfs_dirent_get_name_impl(libretro_vfs_implementation_dir *rdir
    if (name)
       free(name);
    return (char*)rdir->entry.cFileName;
-#elif defined(VITA) || defined(PSP) || defined(ORBIS)
+#elif defined(VITA) || defined(PSP) || defined(ORBIS) || defined(__PSL1GHT__) || defined(__PS3__)
    return rdir->entry.d_name;
 #else
    if (!rdir || !rdir->entry)
@@ -1235,6 +1260,9 @@ bool retro_vfs_dirent_is_dir_impl(libretro_vfs_implementation_dir *rdir)
 #elif defined(VITA)
    return SCE_S_ISDIR(entry->d_stat.st_mode);
 #endif
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+    sysFSDirent* entry = (sysFSDirent*)&rdir->entry;
+    return (entry->d_type == FS_TYPE_DIR);
 #elif defined(ORBIS)
    const struct dirent *entry   = &rdir->entry;
    if (entry->d_type == DT_DIR)
@@ -1271,6 +1299,8 @@ int retro_vfs_closedir_impl(libretro_vfs_implementation_dir *rdir)
       FindClose(rdir->directory);
 #elif defined(VITA) || defined(PSP)
    sceIoDclose(rdir->directory);
+#elif defined(__PSL1GHT__) || defined(__PS3__)
+   rdir->error = sysFsClosedir(rdir->directory);
 #elif defined(ORBIS)
    orbisDclose(rdir->directory);
 #else