diff --git a/NTSC-J 1.0/SpawnYoshi.txt b/NTSC-J 1.0/SpawnYoshi.txt
index da3e6ca..58be33d 100644
--- a/NTSC-J 1.0/SpawnYoshi.txt	
+++ b/NTSC-J 1.0/SpawnYoshi.txt	
@@ -1,13 +1,14 @@
+$ Spwan Yoshi (2022/08/29) [sup39]
 28400D50 000F0800
 C0000000 0000000C
 818D98B8 7D8C6379
 4D820020 806C03F0
 7C631B79 4D820020
+3CA08040 A0A50D50
+54A50EFD 4D820020
 812C03E4 7D294B79
 4182000C 38000000
-98091C84 3CA08040
-A0A50D50 54A50EFD
-4D820020 3C006300
+98091C84 3C006300
 5C002FBE 980300D0
 38000008 98030000
 80030008 9003000C
diff --git a/src/SpawnYoshi.s b/src/SpawnYoshi.s
index d550c0d..372c192 100644
--- a/src/SpawnYoshi.s
+++ b/src/SpawnYoshi.s
@@ -1,30 +1,39 @@
 .set rMario, 12
 .set rFLUDD, 9
 .set rYoshi, 3
+.set rInput, 5
 
-lwz rMario, -0x6748(r13)
-mr. rMario, rMario
-beqlr-
+## make sure Mario is not NULL
+  lwz rMario, -0x6748(r13)
+  mr. rMario, rMario
+  beqlr-
 
-lwz rYoshi, 0x3F0(rMario)
-mr. rYoshi, rYoshi
-beqlr-
+## make sure Yoshi is not NULL
+  lwz rYoshi, 0x3F0(rMario)
+  mr. rYoshi, rYoshi
+  beqlr-
 
-lwz rFLUDD, 0x3E4(rMario)
-mr. rFLUDD, rFLUDD
-beq- .L1
-li r0, 0
-stb r0, 0x1C84(rFLUDD)
+## make sure any D-Pad key is pressed (not only Y)
+  lis rInput, 0x8040
+  lhz rInput, 0x0D50(rInput)
+  rlwinm. rInput, rInput, 1, 30-3, 30
+  beqlr-
+
+## set to spray nozzle
+  lwz rFLUDD, 0x3E4(rMario)
+  mr. rFLUDD, rFLUDD
+  beq- .L1
+  li r0, 0
+  stb r0, 0x1C84(rFLUDD)
 .L1:
 
-lis r5, 0x8040
-lhz r5, 0x0D50(r5)
-rlwinm. r5, r5, 1, 30-3, 30
-beqlr-
-lis r0, 0x6300
-rlwnm r0, r0, r5, 0x3
-stb r0, 0xD0(rYoshi)
-li r0, 8
-stb r0, 0(rYoshi)
-lwz r0, 8(rYoshi)
-stw r0, 0xC(rYoshi)
+## color
+  lis r0, 0x6300
+  rlwnm r0, r0, rInput, 0x3
+  stb r0, 0xD0(rYoshi)
+## ride state
+  li r0, 8
+  stb r0, 0(rYoshi)
+## juice
+  lwz r0, 8(rYoshi)
+  stw r0, 0xC(rYoshi)