diff --git a/Dungeons/dungeons.asm b/Dungeons/dungeons.asm
index ebef165..34cc2c7 100644
--- a/Dungeons/dungeons.asm
+++ b/Dungeons/dungeons.asm
@@ -18,3 +18,6 @@ incsrc "Dungeons/spike_subtype.asm"
 
 incsrc "Dungeons/house_tag.asm"
 print  "End of house_tag.asm              ", pc
+
+incsrc "Dungeons/floor_puzzle.asm"
+print  "End of floor_puzzle.asm           ", pc
\ No newline at end of file
diff --git a/Dungeons/floor_puzzle.asm b/Dungeons/floor_puzzle.asm
new file mode 100644
index 0000000..a3222e9
--- /dev/null
+++ b/Dungeons/floor_puzzle.asm
@@ -0,0 +1,324 @@
+
+;================================================
+;use holes_0 tag routine
+; DO NOT USE holes_1 tag (broken because of holes_0 tag)
+;==================================================
+
+org $01CC00 ; holes_0 tag routine
+JSL NewTagRoutine
+RTS
+
+; org $3A8000
+pullpc
+NewTagRoutine:
+; check under link feet what tile he is standing on
+; save somewhere in ram last tile we were on so it doesn't turn it back off
+; kill room tag
+LDA.b $20 : CLC : ADC #$10 : AND.b #$F0
+STA.w $0224 ; y
+
+LDA.b $22 : CLC : ADC #$08 : AND.b #$F0
+STA.w $0225 ; x
+
+
+LDA.w $0224 : CMP.w $0226 : BNE .differentTile
+LDA.w $0225 : CMP.w $0227 : BNE .differentTile
+JMP .sameTile
+.differentTile
+
+; do code here for tile code
+REP #$30
+
+LDA.w $22 : CLC : ADC.w #$0008 : AND.w #$01F0 : LSR #$02 : STA.b $00
+LDA.w $20 : CLC : ADC.w #$0010 : AND.w #$01F0 : ASL #$04 : CLC : ADC.b $00 : STA.b $06
+TAX
+
+LDA.l $7E2000, X : CMP.w #$0DED : BNE +
+    JSR update_star_tile
+    JSR SearchForEmptyStar
+    BRA .doneupdate
++
+LDA.l $7E2000, X : CMP.w #$0DEE : BNE +
+    ;JSR SearchToRedStar
+    JSR update_red_star_tile
+    SEP #$30
+    STZ.b $AE ; kill room tag!
+    ;JSR update_empty_tile
+    ;JSR SearchForEmptyStar
++
+
+.doneupdate
+SEP #$30
+
+.sameTile
+
+LDA.w $0224 : STA.w $0226 ; Last Y
+LDA.w $0225 : STA.w $0227 ; Last X
+
+
+
+RTL
+
+
+
+update_empty_tile:
+STZ.b $0E
+REP #$30
+
+JSR replace_tile_empty
+
+SEP #$30
+
+LDA.b #$01
+STA.b $14
+REP #$30
+RTS
+
+
+update_star_tile:
+STZ.b $0E
+REP #$30
+
+JSR replace_tile_star
+
+SEP #$30
+
+LDA.b #$01
+STA.b $14
+REP #$30
+RTS
+
+update_red_star_tile:
+STZ.b $0E
+REP #$30
+
+JSR replace_red_tile_star
+
+SEP #$30
+
+LDA.b #$01
+STA.b $14
+REP #$30
+RTS
+
+
+replace_red_tile_star:
+LDX.w $1000
+
+LDA.w #$19EE
+STA.w $1006,X
+
+LDA.w #$99EE
+STA.w $100C,X
+
+LDA.w #$59EE
+STA.w $1012,X
+
+LDA.w #$D9EE
+STA.w $1018,X
+
+LDX.b $06
+
+LDA.w #$19EE : STA.l $7E2000, X
+LDA.w #$99EE : STA.l $7E2080, X
+LDA.w #$59EE : STA.l $7E2002, X
+LDA.w #$D9EE : STA.l $7E2082, X
+
+AND.w #$03FF
+TAX
+
+LDA.l $7EFE00,X
+AND.w #$00FF
+STA.b $08
+STA.b $09
+
+JMP replace_tile_continue
+
+
+
+replace_tile_star:
+LDX.w $1000
+
+LDA.w #$0DEE
+STA.w $1006,X
+
+LDA.w #$8DEE
+STA.w $100C,X
+
+LDA.w #$4DEE
+STA.w $1012,X
+
+LDA.w #$CDEE
+STA.w $1018,X
+
+LDX.b $06
+
+LDA.w #$0DEE : STA.l $7E2000, X
+LDA.w #$8DEE : STA.l $7E2080, X
+LDA.w #$4DEE : STA.l $7E2002, X
+LDA.w #$CDEE : STA.l $7E2082, X
+
+AND.w #$03FF
+TAX
+
+LDA.l $7EFE00,X
+AND.w #$00FF
+STA.b $08
+STA.b $09
+
+JMP replace_tile_continue
+
+
+replace_tile_empty:
+LDX.w $1000
+
+LDA.w #$0DED
+STA.w $1006,X
+
+LDA.w #$8DED
+STA.w $100C,X
+
+LDA.w #$4DED
+STA.w $1012,X
+
+LDA.w #$CDED
+STA.w $1018,X
+
+LDX.b $06
+LDA.w #$0DED : STA.l $7E2000, X
+LDA.w #$8DED : STA.l $7E2080, X
+LDA.w #$4DED : STA.l $7E2002, X
+LDA.w #$CDED : STA.l $7E2082, X
+
+AND.w #$03FF
+TAX
+
+LDA.l $7EFE00,X
+AND.w #$00FF
+STA.b $08
+STA.b $09
+
+replace_tile_continue:
+
+LDX.w $1000
+
+LDA.w #$0000
+JSR draw_one_corner
+STA.w $1002,X
+
+LDA.w #$0080
+JSR draw_one_corner
+STA.w $1008,X
+
+LDA.w #$0002
+JSR draw_one_corner
+STA.w $100E,X
+
+LDA.w #$0082
+JSR draw_one_corner
+STA.w $1014,X
+
+LDA.w #$0100
+STA.w $1004,X
+STA.w $100A,X
+STA.w $1010,X
+STA.w $1016,X
+
+LDA.w #$FFFF
+STA.w $101A,X
+
+TXA
+CLC
+ADC.w #$0018
+STA.w $1000
+
+RTS
+
+;---------------------------------------------------------------------------------------------------
+
+draw_one_corner:
+CLC
+ADC.b $06
+STA.b $0E
+
+AND.w #$0040
+
+LSR A
+LSR A
+LSR A
+LSR A
+
+XBA
+STA.b $08
+
+LDA.b $0E
+AND.w #$303F
+LSR A
+ORA.b $08
+STA.b $08
+
+LDA.b $0E
+AND.w #$0F80
+LSR A
+LSR A
+ORA.b $08
+XBA
+
+RTS
+
+
+SearchForEmptyStar:
+
+
+LDX.w #$1FFE
+
+--
+LDA.l $7E2000, X : CMP.w #$0DED : BEQ .foundEmptyTile
+DEX : DEX
+BPL --
+; all tiles were on
+SEP #$30
+LDA.w $0468 : BEQ +
+STZ.w $0468
+STZ.w $068E
+STZ.w $0690
+LDA.b #$05 : STA.b $11
+LDA.b #$25 : STA $012F
+STZ.b $AE ; kill room tag!
++
+BRA +
+.foundEmptyTile
+SEP #$30
+LDA.w $0468 : BNE +
+INC.w $0468
+STZ.w $068E
+STZ.w $0690
+LDA.b #$05 : STA.b $11
++
+
+RTS
+
+
+SearchToRedStar:
+
+
+LDX.w #$1FFE
+
+--
+LDA.l $7E2000, X : CMP.w #$0DEE : BEQ .foundStarTile
+DEX : DEX
+BPL --
+
+SEP #$30
+STZ.b $AE ; kill room tag!
+
+RTS
+
+.foundStarTile
+PHX
+STX.b $06
+JSR update_red_star_tile
+PLX
+BRA --
+
+pushpc
\ No newline at end of file