diff --git a/pico/carthw.cfg b/pico/carthw.cfg
index ef507949..64e9152c 100644
--- a/pico/carthw.cfg
+++ b/pico/carthw.cfg
@@ -146,6 +146,16 @@ check_str = 0x150, "ALIEN 3"
 check_size_gt = 0x080000
 hw = x_in_1_mapper
 
+[5-in-1 Megadrive Portable]
+check_str = 0x150, "TINY TOON ADVENTURES"
+check_size_gt = 0x080000
+hw = x_in_1_mapper
+
+[40-games-in-1]
+check_str = 0x160, "FS MOONWALKER"
+check_size_gt = 0x080000
+hw = x_in_1_mapper
+
 [Super 15-in-1]
 check_str = 0x150, " SHOVE IT!"
 check_size_gt = 0x020000
diff --git a/pico/carthw/carthw.c b/pico/carthw/carthw.c
index e00843df..58669f59 100644
--- a/pico/carthw/carthw.c
+++ b/pico/carthw/carthw.c
@@ -133,7 +133,7 @@ static carthw_state_chunk carthw_Xin1_state[] =
 	{ 0,            0,                         NULL }
 };
 
-// TODO: test a0, reads, w16
+// TODO: reads should also work, but then we need to handle open bus
 static void carthw_Xin1_write8(u32 a, u32 d)
 {
 	if ((a & 0xffff00) != 0xa13000) {
@@ -141,12 +141,23 @@ static void carthw_Xin1_write8(u32 a, u32 d)
 		return;
 	}
 
-	carthw_Xin1_do(a, 0x3f, 16);
+	carthw_Xin1_do(a, 0x3e, 16);
+}
+
+static void carthw_Xin1_write16(u32 a, u32 d)
+{
+  if ((a & 0xffff00) != 0xa13000) {
+    PicoWrite16_io(a, d);
+    return;
+  }
+
+  carthw_Xin1_write8(a + 1, d);
 }
 
 static void carthw_Xin1_mem_setup(void)
 {
-	cpu68k_map_set(m68k_write8_map, 0xa10000, 0xa1ffff, carthw_Xin1_write8, 1);
+	cpu68k_map_set(m68k_write8_map,  0xa10000, 0xa1ffff, carthw_Xin1_write8, 1);
+	cpu68k_map_set(m68k_write16_map, 0xa10000, 0xa1ffff, carthw_Xin1_write16, 1);
 }
 
 static void carthw_Xin1_reset(void)
diff --git a/pico/carthw_cfg.c b/pico/carthw_cfg.c
index 0de53f7b..94b6d32b 100644
--- a/pico/carthw_cfg.c
+++ b/pico/carthw_cfg.c
@@ -15,6 +15,22 @@ static const char builtin_carthw_cfg[] =
   "check_str=0x100,\"IMA IKUNO\"\n"
   "hw=pico\n"
   "[]\n"
+  "check_str=0x120,\"32X SAMPLE PROGRAM\"\n"
+  "check_str=0x32b74c,\"Bishop Level\"\n"
+  "prop=force_6btn\n"
+  "[]\n"
+  "check_str=0x100,\"SEGA 32X\"\n"
+  "check_str=0x150,\"WWF RAW\"\n"
+  "prop=wwfraw_hack#readsbackdatawrittentohighROMadressesfromcache\n"
+  "[]\n"
+  "check_str=0x100,\"SEGA 32X\"\n"
+  "check_str=0x120,\"BLACKTHORNE\"\n"
+  "prop=blackthorne_hack#readsbackdataoverwrittenby2ndCPUfromcache\n"
+  "[]\n"
+  "check_str=0x100,\"SEGA\"\n"
+  "check_str=0x150,\"MARS CHECK PROGRAM\"\n"
+  "prop=marscheck_hack#readsbackdataoverwrittenbyDMAfromcache\n"
+  "[]\n"
   "check_str=0x120,\"PUGGSY\"\n"
   "prop=no_sram\n"
   "[]\n"
@@ -27,10 +43,6 @@ static const char builtin_carthw_cfg[] =
   "check_str=0x150,\"  HardBall III\"\n"
   "sram_range=0x200000,0x20ffff\n"
   "[]\n"
-  "check_str=0x150,\"32X SAMPLE PROGRAM\"\n"
-  "check_str=0x32b74c,\"Bishop Level\"\n"
-  "prop=force_6btn\n"
-  "[]\n"
   "check_str=0x100,\"SEGA SSF\"\n"
   "hw=ssf2_mapper\n"
   "[]\n"
@@ -66,6 +78,14 @@ static const char builtin_carthw_cfg[] =
   "check_size_gt=0x080000\n"
   "hw=x_in_1_mapper\n"
   "[]\n"
+  "check_str=0x150,\"TINY TOON ADVENTURES\"\n"
+  "check_size_gt=0x080000\n"
+  "hw=x_in_1_mapper\n"
+  "[]\n"
+  "check_str=0x160,\"FS MOONWALKER\"\n"
+  "check_size_gt=0x080000\n"
+  "hw=x_in_1_mapper\n"
+  "[]\n"
   "check_str=0x150,\" SHOVE IT!\"\n"
   "check_size_gt=0x020000\n"
   "hw=x_in_1_mapper\n"