diff --git a/patch.asm b/patch.asm
index 92004b3..842d425 100644
--- a/patch.asm
+++ b/patch.asm
@@ -9,6 +9,7 @@ BANK $5
 BASE $8000
 
 FROM $BF07
+staircheck:
     LDY #$00
     STY hspfra
     LDA vspint
@@ -31,21 +32,21 @@ LBF12:
     NOP
     NOP
     LDX #$00
-LBF2A:
+stair_loop_start:
     TXA
     PHA
-    JSR After_Table_FB44
+    JSR disp_check_diagonals
     PLA
-    BCC LBF38
+    BCC +
     CMP #$02
     BPL LBF9A
-    BMI LBF5D
-LBF38:
+    BMI land
++
     NOP
     TAX
     INX
     CPX #$04
-    BMI LBF2A
+    BMI stair_loop_start
     RTS
 
 Table_BF40:
@@ -53,7 +54,7 @@ Table_BF40:
 Table_BF44:
     DB $80,$00,$40,$C0
 
-After_Table_FB44
+disp_check_diagonals:
     LDA Table_BF40,X
     STA $11
     LDA Table_BF44,X
@@ -63,7 +64,7 @@ After_Table_FB44
     LDY #$58
     LDA #$07
     JMP $FFCA
-LBF5D:
+land:
     LDA #$12
     STA simon_state
     LDX #$0A
@@ -138,10 +139,10 @@ BANK $7
 BASE $8000
 
 FROM $BF55
-LBF55:
+__return_false:
     CLC
     RTS
-LBF57:
+__return_true:
     SEC
     RTS
     LDX $06
@@ -195,9 +196,9 @@ LBF87:
     LDA (stairs),Y
     AND #$F0
     CMP $11
-    BEQ LBF55
+    BEQ $BF55
     CMP $12
-    BEQ LBF57
+    BEQ $BF57
 LBFB2:
     INY
 LBFB3:
@@ -214,14 +215,14 @@ LBFB7:
     BEQ LBFCA
     SEC
     SBC #$01
-    BCC LBF55
+    BCC $BF55
     BCS LBFD2
 LBFCA:
     CLC
     ADC #$01
     NOP
     CMP #$0F
-    BPL LBF55
+    BPL $BF55
 LBFD2:
     STA tmp_y
     LDA tmp_x
@@ -270,6 +271,7 @@ FROM $95F1
     DB $D0,$04
     NOP
     NOP
+__walk_to_stair_right
     
 FROM $9629
     LDA #$FF
@@ -333,6 +335,7 @@ FROM $A5A3
 FROM $BF39
     LDA #$01
     STA hspint,X
+custom_jump:
     LDA #$97
     PHA
     LDA #$76
@@ -342,22 +345,24 @@ LBF44:
     LDY #$00
     LDA control_held
     AND #$03
-    BEQ LBFC0
+    BEQ hstall
     JSR $9769
-    BEQ LBFAA
+    BEQ check_vstall
     LSR A
-    BCC LBF5C
+    BCC __turn_left
+__turn_right:
     INY
     STY hspint
     DEY
-LBF5C:
-    BEQ LBF99
+__turn_left:
+    BEQ __jumping_contd
     DEY
     STY hspint
     LDY #$01
-    BPL LBF99
+    BPL __jumping_contd
+custom_knockback:
     LDA $4A
-    BEQ LBF93
+    BEQ __return_to_knockback
     LDA vspint
     BMI LBF88
     LDA #tmp_y
@@ -372,24 +377,24 @@ LBF5C:
     LDA #$16
     STA imgsin
 LBF88:
-    JMP LBF93
+    JMP __return_to_knockback
 LBF8B:
     LDA #$1C
     STA vsp_control
     LDA $A689,Y
-LBF93:
+__return_to_knockback:
     LDA #tmp_y
     LDY hspint
     RTS
-LBF99:
+__jumping_contd:
     LDA simon_state
     CMP #tmp_y
-    BNE LBFAA
+    BNE check_vstall
     LDA imgsin
     CMP #$10
-    BEQ LBFAA
+    BEQ check_vstall
     STY facing
-LBFAA:
+check_vstall:
     LDA control_held
     AND #$80
     BNE LBFBF
@@ -401,20 +406,22 @@ LBFAA:
     STA vspint
 LBFBF:
     RTS
-LBFC0:
+hstall:
     STA hspint
-    JMP LBFAA
+    JMP check_vstall
+jumping_attack:
     JSR LBF44
     JMP $97A3
+stair_jumping:
     LDA control_pressed
     AND #$80
-    BEQ LBFDA
+    BEQ __recover_step
     LDA #$06
     STA simon_state
     PLA
     PLA
     RTS
-LBFDA:
+__recover_step:
     LDA simon_state
     CMP #$14
     BEQ LBFE6
@@ -423,6 +430,7 @@ LBFDA:
     RTS
 LBFE6:
     JMP $9A43
+crouch_direction:
     LDA control_held
     LSR A
     BCC LBFF3
diff --git a/pre_stair_patch.ips b/pre_stair_patch.ips
new file mode 100644
index 0000000..106ccf6
Binary files /dev/null and b/pre_stair_patch.ips differ
diff --git a/pre_stair_patch.txt b/pre_stair_patch.txt
new file mode 100644
index 0000000..6887bd9
--- /dev/null
+++ b/pre_stair_patch.txt
@@ -0,0 +1,66 @@
+====== IPS summary ======
+hunks: 12
+regular hunks: 12
+RLE hunks:     0
+sum of hunk lengths: x000000FD bytes (253 bytes)
+========= hunks =========
+
+regular hunk on bytes x038348-x03834C (5 bytes)
+EA EA 20 66 BF
+
+
+regular hunk on bytes x03938E-x03938F (2 bytes)
+3E BF
+
+
+regular hunk on bytes x039440-x039441 (2 bytes)
+C6 BF
+
+
+regular hunk on bytes x0394DA-x0394DB (2 bytes)
+C6 BF
+
+
+regular hunk on byte x039760 (1 byte)
+08
+
+
+regular hunk on bytes x039767-x039786 (32 bytes)
+1C 9D D8 05 A9 00 9D C1 05 A9 16 8D 00 04 A9 00
+8D 09 05 60 FF FF FF FF FF 60 FF FF FF FF FF FF
+
+
+regular hunk on bytes x039931-x039932 (2 bytes)
+E9 BF
+
+
+regular hunk on bytes x0399B4-x0399B7 (4 bytes)
+20 CC BF EA
+
+
+regular hunk on bytes x039ABC-x039ABD (2 bytes)
+CC BF
+
+
+regular hunk on bytes x039C31-x039C32 (2 bytes)
+3E BF
+
+
+regular hunk on bytes x03A5B3-x03A5B4 (2 bytes)
+3E BF
+
+
+regular hunk on bytes x03BF49-x03C00D (197 bytes)
+A9 01 9D F2 04 A9 97 48 A9 76 48 20 65 97 A5 2A
+29 03 F0 73 4A 90 0C A0 00 A2 01 8E F2 04 10 40
+4A 90 4E A0 01 A2 FF 8E F2 04 4C 99 BF A5 4A F0
+29 AD 20 05 30 19 A9 08 8D 65 05 A5 49 F0 13 A5
+48 C9 02 D0 0D A9 38 8D D8 05 A9 16 8D 00 04 4C
+93 BF A9 1C 8D D8 05 B9 89 A6 A9 08 AC F2 04 60
+AD 65 05 C9 08 D0 0A AD 00 04 C9 10 F0 03 8C A8
+04 A5 2A 29 80 D0 0F AD 20 05 10 0A A9 1C 8D D8
+05 A9 00 8D 20 05 60 8D F2 04 4C AA BF 20 44 BF
+4C A3 97 A5 28 29 80 F0 08 A9 06 8D 65 05 68 68
+60 AD 65 05 C9 14 F0 05 A5 2A 29 40 60 4C 43 9A
+A5 2A 4A 90 05 A2 00 8E A8 04 4A 90 05 A2 01 8E
+A8 04 4C 0C 84
diff --git a/working.nes.E.nl b/working.nes.E.nl
index a1793e5..eda9492 100755
--- a/working.nes.E.nl
+++ b/working.nes.E.nl
@@ -1,48 +1,48 @@
 $81FE#Getting hit#
 $823A#... which way for knockback#
 $8307#knockback step#
-$BF3E#custom jump#
+$8723#adjust x if no effect prevents#
+$874B#(directly adjust x)#
+$88F2#custom fall#
+$936C#move..?#
+$942F#attack#
+$94C9#jump attack step#
+$952D#standing step:#
+$95BF#.. up (climb stairs)#
+$95EF#.. walk to stair (left)#
+$95F5#.. walk to stair (right)#
+$9624#begin jump#
+$965F#CCCCCCCCCCCCCCCCC#
+$9662#BBBBBBBBBBBBBBBBB#
+$9663#AAAAAAAAAAAAAA#
+$9765#zero hspfra#
+$9769#air control direction#
+$976A#BBBBBBBBBBBBBBBBBBBB#
+$976B#load jump direction control#
+$9770#AAAAAAAAAAAAAAAAAAAAAA#
+$9776#CCCCCCCCC#
 $9777#jump step#
-$98C6#adjust not-y, vspint (always)#
+$97A3#.. not ncsly. air-attacking#
+$97AD#.. moving left#
+$97C1#..moving right#
 $9856#adjust vspint#
+$98C6#adjust not-y, vspint (always)#
 $98FB#adjust vspint#
 $9900#check max velocity#
+$9920#crouching#
+$99A4#stair idle#
+$9AAB#stair move#
 $9F20#grant jump#
-$942F#attack#
+$B8E4#thrown dagger#
+$BF3E#custom jump#
+$BF57#.. turn right#
+$BF5C#.. turn left#
+$BF66#custom knockback#
+$BF93#.. return to knockback#
 $BF99#jumping (continued)#
-$BFC0#hstall#
 $BFAA#check vstall#
+$BFC0#hstall#
 $BFC6#jumping attack#
 $BFCC#stair jumping#
-$9AAB#stair move#
 $BFDA#.. recover step#
-$936C#move..?#
-$9920#crouching#
-$BFE9#crouch direction#
-$88F2#custom fall#
-$9624#begin jump#
-$BF66#custom knockback#
-$BF93#.. return to knockback#
-$9765#zero hspfra#
-$94C9#jump attack step#
-$B8E4#thrown dagger#
-$9770#AAAAAAAAAAAAAAAAAAAAAA#
-$976B#load jump direction control#
-$976A#BBBBBBBBBBBBBBBBBBBB#
-$9776#CCCCCCCCC#
-$BF57#.. turn right#
-$9769#air control direction#
-$BF5C#.. turn left#
-$97A3#.. not ncsly. air-attacking#
-$97C1#..moving right#
-$874B#(directly adjust x)#
-$8723#adjust x if no effect prevents#
-$97AD#.. moving left#
-$95F5#.. walk to stair (right)#
-$95EF#.. walk to stair (left)#
-$95BF#.. up (climb stairs)#
-$9663#AAAAAAAAAAAAAA#
-$9662#BBBBBBBBBBBBBBBBB#
-$965F#CCCCCCCCCCCCCCCCC#
-$952D#standing step:#
-$99A4#stair idle#
+$BFE9#crouch direction#
\ No newline at end of file