diff --git a/res/notes/iris.py b/res/notes/iris.py
new file mode 100755
index 000000000..46742a001
--- /dev/null
+++ b/res/notes/iris.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+import sys
+
+alphabet = 'MNOPQRSTUVWXYZABCDEFGHIJKL'
+with open(sys.argv[1]) as f:
+    lines = f.readlines()
+for c in alphabet:
+    for line, row in zip(lines, range(len(lines))):
+        for l, col in zip(line, range(len(line))):
+            if l == c:
+                print("%s,%s," % (row,col), end=' ')
+    print("255,255")
diff --git a/res/notes/iris.txt b/res/notes/iris.txt
new file mode 100644
index 000000000..1e6e00108
--- /dev/null
+++ b/res/notes/iris.txt
@@ -0,0 +1,24 @@
+ LKJIHGFEDCBAZZYYYXXXXYYYZZABCDEFGHIJKL 
+LKJIHGFEDCBAZYYXXXWWWWXXXYYZABCDEFGHIJKL
+KJIHGFEDCBAZYXXWWWVVVVWWWXXYZABCDEFGHIJK
+JIHGFEDCBAZYXWWVVVUUUUVVVWWXYZABCDEFGHIJ
+IHGFEDCBAZYXWVVUUUTTTTUUUVVWXYZABCDEFGHI
+HGFEDCBAZYXWVUUTTTSSSSTTTUUVWXYZABCDEFGH
+HGFEDCBAZYXWVUTSSSRRRRSSSTUVWXYZABCDEFGH
+GFEDCBAZYXWVUTSRRRQQQQRRRSTUVWXYZABCDEFG
+GFEDCBAZYXWVUTSRQQPPPPQQRSTUVWXYZABCDEFG
+GFEDCBAZYXWVUTSRQPOOOOPQRSTUVWXYZABCDEFG
+FEDCBAZYXWVUTSRQPONNNNOPQRSTUVWXYZABCDEF
+FEDCBAZYXWVUTSRQPONMMNOPQRSTUVWXYZABCDEF
+FEDCBAZYXWVUTSRQPONMMNOPQRSTUVWXYZABCDEF
+FEDCBAZYXWVUTSRQPONNNNOPQRSTUVWXYZABCDEF
+GFEDCBAZYXWVUTSRQPOOOOPQRSTUVWXYZABCDEFG
+GFEDCBAZYXWVUTSRQQPPPPQQRSTUVWXYZABCDEFG
+GFEDCBAZYXWVUTSRRRQQQQRRRSTUVWXYZABCDEFG
+HGFEDCBAZYXWVUTSSSRRRRSSSTUVWXYZABCDEFGH
+HGFEDCBAZYXWVUUTTTSSSSTTTUUVWXYZABCDEFGH
+IHGFEDCBAZYXWVVUUUTTTTUUUVVWXYZABCDEFGHI
+JIHGFEDCBAZYXWWVVVUUUUVVVWWXYZABCDEFGHIJ
+KJIHGFEDCBAZYXXWWWVVVVWWWXXYZABCDEFGHIJK
+LKJIHGFEDCBAZYYXXXWWWWXXXYYZABCDEFGHIJKL
+ LKJIHGFEDCBAZZYYYXXXXYYYZZABCDEFGHIJKL 
diff --git a/res/ss/favorites.conf b/res/ss/favorites.conf
index 09412fcda..bc7a42529 100644
--- a/res/ss/favorites.conf
+++ b/res/ss/favorites.conf
@@ -1 +1 @@
-#
# slideshow of favorite title screens
#

DUNG.BEETLES
MR.ROBOT
NIBBLER
SNAKE.BYTE
DAVIDS.MAGIC
CRAZY.MAZY
SPYS.DEMISE
WAVY.NAVY
DIG.DUG
PAPERBOY
TUBEWAY
PRINCEUNP
LOST.TOMB
MOON.PATROL
DROL
HERO
MONTEZUMA
SWASHBUCKLER
POOYAN
TAPPER
GOONIES
PLASMANIA
PITFALL.II
ALCAZAR
SABOTAGE
FROGGER
GORGON
CONAN
NIGHT.MISSION
DINO.EGGS
FALCONS
BRUCE.LEE
BCS.QUEST
JOUST

[eof]
\ No newline at end of file
+#
# slideshow of favorite title screens
#

DUNG.BEETLES
MR.ROBOT
MOON.PATROL
HERO
DROL
MONTEZUMA
DAVIDS.MAGIC
CRAZY.MAZY
SPYS.DEMISE
WAVY.NAVY
DIG.DUG
PAPERBOY
TUBEWAY
PRINCEUNP
LOST.TOMB
NIBBLER
SNAKE.BYTE
SWASHBUCKLER
POOYAN
TAPPER
GOONIES
PLASMANIA
PITFALL.II
ALCAZAR
SABOTAGE
FROGGER
GORGON
CONAN
NIGHT.MISSION
DINO.EGGS
FALCONS
BRUCE.LEE
BCS.QUEST
JOUST

[eof]
\ No newline at end of file
diff --git a/src/4cade.a b/src/4cade.a
index d2994aa66..f090f18bd 100644
--- a/src/4cade.a
+++ b/src/4cade.a
@@ -212,7 +212,7 @@ HGRLoad
          jsr   AddToPath
          jsr   LoadFile
          !word gPathname
-         jsr   SpiralHGR;DiagonalHGR;InterlockingVerticalHGR;FizzleHGR;InterlockingHorizontalHGR;
+         jsr   IrisHGR;SpiralHGR;DiagonalHGR;InterlockingVerticalHGR;FizzleHGR;InterlockingHorizontalHGR;
          jmp   WaitOnScreenshot
 
 DHGRLoad
@@ -329,6 +329,7 @@ kAttractModeConfFile
          !source "src/fx.hgr.fizzle.a"
          !source "src/fx.hgr.spiral.a"
          !source "src/fx.hgr.diagonal.a"
+         !source "src/fx.hgr.iris.a"
          !source "src/fx.hgr.interlockingvertical.a"
          !source "src/fx.hgr.interlockinghorizontal.a"
          !source "src/fx.dhgr.fizzle.a"
diff --git a/src/fx.hgr.iris.a b/src/fx.hgr.iris.a
new file mode 100644
index 000000000..ea7528356
--- /dev/null
+++ b/src/fx.hgr.iris.a
@@ -0,0 +1,96 @@
+!zone {
+round = $F0
+block = $F1
+
+IrisHGR
+         lda   #$00
+         sta   round
+@outerloop
+         lda   round
+         asl
+         tax
+         lda   @map,x
+         sta   $fe
+         lda   @map+1,x
+         sta   $ff
+         lda   #$00
+         sta   block
+@innerloop
+         ldy   block
+         lda   ($fe),y
+         bmi   @nextround
+         tax
+         iny
+         lda   ($fe),y
+         tay
+         txa
+         jsr   HGRBlockCopy
+         inc   block
+         inc   block
+         bne   @innerloop            ; always branches
+@nextround
+         lda   #$40
+         jsr   WaitForKeyWithTimeout
+         bmi   @exit
+         inc   round
+         lda   round
+         cmp   #27
+         bne   @outerloop
+@exit    rts
+
+@map
+         !word @round1
+         !word @round2
+         !word @round3
+         !word @round4
+         !word @round5
+         !word @round6
+         !word @round7
+         !word @round8
+         !word @round9
+         !word @round10
+         !word @round11
+         !word @round12
+         !word @round13
+         !word @round14
+         !word @round15
+         !word @round16
+         !word @round17
+         !word @round18
+         !word @round19
+         !word @round20
+         !word @round21
+         !word @round22
+         !word @round23
+         !word @round24
+         !word @round25
+         !word @round26
+         !word @round27
+@round1  !byte 11,19, 11,20, 12,19, 12,20, 255
+@round2  !byte 10,18, 10,19, 10,20, 10,21, 11,18, 11,21, 12,18, 12,21, 13,18, 13,19, 13,20, 13,21, 255
+@round3  !byte 9,18, 9,19, 9,20, 9,21, 10,17, 10,22, 11,17, 11,22, 12,17, 12,22, 13,17, 13,22, 14,18, 14,19, 14,20, 14,21, 255
+@round4  !byte 8,18, 8,19, 8,20, 8,21, 9,17, 9,22, 10,16, 10,23, 11,16, 11,23, 12,16, 12,23, 13,16, 13,23, 14,17, 14,22, 15,18, 15,19, 15,20, 15,21, 255
+@round5  !byte 7,18, 7,19, 7,20, 7,21, 8,16, 8,17, 8,22, 8,23, 9,16, 9,23, 10,15, 10,24, 11,15, 11,24, 12,15, 12,24, 13,15, 13,24, 14,16, 14,23, 15,16, 15,17, 15,22, 15,23, 16,18, 16,19, 16,20, 16,21, 255
+@round6  !byte 6,18, 6,19, 6,20, 6,21, 7,15, 7,16, 7,17, 7,22, 7,23, 7,24, 8,15, 8,24, 9,15, 9,24, 10,14, 10,25, 11,14, 11,25, 12,14, 12,25, 13,14, 13,25, 14,15, 14,24, 15,15, 15,24, 16,15, 16,16, 16,17, 16,22, 16,23, 16,24, 17,18, 17,19, 17,20, 17,21, 255
+@round7  !byte 5,18, 5,19, 5,20, 5,21, 6,15, 6,16, 6,17, 6,22, 6,23, 6,24, 7,14, 7,25, 8,14, 8,25, 9,14, 9,25, 10,13, 10,26, 11,13, 11,26, 12,13, 12,26, 13,13, 13,26, 14,14, 14,25, 15,14, 15,25, 16,14, 16,25, 17,15, 17,16, 17,17, 17,22, 17,23, 17,24, 18,18, 18,19, 18,20, 18,21, 255
+@round8  !byte 4,18, 4,19, 4,20, 4,21, 5,15, 5,16, 5,17, 5,22, 5,23, 5,24, 6,14, 6,25, 7,13, 7,26, 8,13, 8,26, 9,13, 9,26, 10,12, 10,27, 11,12, 11,27, 12,12, 12,27, 13,12, 13,27, 14,13, 14,26, 15,13, 15,26, 16,13, 16,26, 17,14, 17,25, 18,15, 18,16, 18,17, 18,22, 18,23, 18,24, 19,18, 19,19, 19,20, 19,21, 255
+@round9  !byte 3,18, 3,19, 3,20, 3,21, 4,15, 4,16, 4,17, 4,22, 4,23, 4,24, 5,13, 5,14, 5,25, 5,26, 6,13, 6,26, 7,12, 7,27, 8,12, 8,27, 9,12, 9,27, 10,11, 10,28, 11,11, 11,28, 12,11, 12,28, 13,11, 13,28, 14,12, 14,27, 15,12, 15,27, 16,12, 16,27, 17,13, 17,26, 18,13, 18,14, 18,25, 18,26, 19,15, 19,16, 19,17, 19,22, 19,23, 19,24, 20,18, 20,19, 20,20, 20,21, 255
+@round10 !byte 2,18, 2,19, 2,20, 2,21, 3,15, 3,16, 3,17, 3,22, 3,23, 3,24, 4,13, 4,14, 4,25, 4,26, 5,12, 5,27, 6,12, 6,27, 7,11, 7,28, 8,11, 8,28, 9,11, 9,28, 10,10, 10,29, 11,10, 11,29, 12,10, 12,29, 13,10, 13,29, 14,11, 14,28, 15,11, 15,28, 16,11, 16,28, 17,12, 17,27, 18,12, 18,27, 19,13, 19,14, 19,25, 19,26, 20,15, 20,16, 20,17, 20,22, 20,23, 20,24, 21,18, 21,19, 21,20, 21,21, 255
+@round11 !byte 1,18, 1,19, 1,20, 1,21, 2,15, 2,16, 2,17, 2,22, 2,23, 2,24, 3,13, 3,14, 3,25, 3,26, 4,12, 4,27, 5,11, 5,28, 6,11, 6,28, 7,10, 7,29, 8,10, 8,29, 9,10, 9,29, 10,9, 10,30, 11,9, 11,30, 12,9, 12,30, 13,9, 13,30, 14,10, 14,29, 15,10, 15,29, 16,10, 16,29, 17,11, 17,28, 18,11, 18,28, 19,12, 19,27, 20,13, 20,14, 20,25, 20,26, 21,15, 21,16, 21,17, 21,22, 21,23, 21,24, 22,18, 22,19, 22,20, 22,21, 255
+@round12 !byte 0,18, 0,19, 0,20, 0,21, 1,15, 1,16, 1,17, 1,22, 1,23, 1,24, 2,13, 2,14, 2,25, 2,26, 3,12, 3,27, 4,11, 4,28, 5,10, 5,29, 6,10, 6,29, 7,9, 7,30, 8,9, 8,30, 9,9, 9,30, 10,8, 10,31, 11,8, 11,31, 12,8, 12,31, 13,8, 13,31, 14,9, 14,30, 15,9, 15,30, 16,9, 16,30, 17,10, 17,29, 18,10, 18,29, 19,11, 19,28, 20,12, 20,27, 21,13, 21,14, 21,25, 21,26, 22,15, 22,16, 22,17, 22,22, 22,23, 22,24, 23,18, 23,19, 23,20, 23,21, 255
+@round13 !byte 0,15, 0,16, 0,17, 0,22, 0,23, 0,24, 1,13, 1,14, 1,25, 1,26, 2,12, 2,27, 3,11, 3,28, 4,10, 4,29, 5,9, 5,30, 6,9, 6,30, 7,8, 7,31, 8,8, 8,31, 9,8, 9,31, 10,7, 10,32, 11,7, 11,32, 12,7, 12,32, 13,7, 13,32, 14,8, 14,31, 15,8, 15,31, 16,8, 16,31, 17,9, 17,30, 18,9, 18,30, 19,10, 19,29, 20,11, 20,28, 21,12, 21,27, 22,13, 22,14, 22,25, 22,26, 23,15, 23,16, 23,17, 23,22, 23,23, 23,24, 255
+@round14 !byte 0,13, 0,14, 0,25, 0,26, 1,12, 1,27, 2,11, 2,28, 3,10, 3,29, 4,9, 4,30, 5,8, 5,31, 6,8, 6,31, 7,7, 7,32, 8,7, 8,32, 9,7, 9,32, 10,6, 10,33, 11,6, 11,33, 12,6, 12,33, 13,6, 13,33, 14,7, 14,32, 15,7, 15,32, 16,7, 16,32, 17,8, 17,31, 18,8, 18,31, 19,9, 19,30, 20,10, 20,29, 21,11, 21,28, 22,12, 22,27, 23,13, 23,14, 23,25, 23,26, 255
+@round15 !byte 0,12, 0,27, 1,11, 1,28, 2,10, 2,29, 3,9, 3,30, 4,8, 4,31, 5,7, 5,32, 6,7, 6,32, 7,6, 7,33, 8,6, 8,33, 9,6, 9,33, 10,5, 10,34, 11,5, 11,34, 12,5, 12,34, 13,5, 13,34, 14,6, 14,33, 15,6, 15,33, 16,6, 16,33, 17,7, 17,32, 18,7, 18,32, 19,8, 19,31, 20,9, 20,30, 21,10, 21,29, 22,11, 22,28, 23,12, 23,27, 255
+@round16 !byte 0,11, 0,28, 1,10, 1,29, 2,9, 2,30, 3,8, 3,31, 4,7, 4,32, 5,6, 5,33, 6,6, 6,33, 7,5, 7,34, 8,5, 8,34, 9,5, 9,34, 10,4, 10,35, 11,4, 11,35, 12,4, 12,35, 13,4, 13,35, 14,5, 14,34, 15,5, 15,34, 16,5, 16,34, 17,6, 17,33, 18,6, 18,33, 19,7, 19,32, 20,8, 20,31, 21,9, 21,30, 22,10, 22,29, 23,11, 23,28, 255
+@round17 !byte 0,10, 0,29, 1,9, 1,30, 2,8, 2,31, 3,7, 3,32, 4,6, 4,33, 5,5, 5,34, 6,5, 6,34, 7,4, 7,35, 8,4, 8,35, 9,4, 9,35, 10,3, 10,36, 11,3, 11,36, 12,3, 12,36, 13,3, 13,36, 14,4, 14,35, 15,4, 15,35, 16,4, 16,35, 17,5, 17,34, 18,5, 18,34, 19,6, 19,33, 20,7, 20,32, 21,8, 21,31, 22,9, 22,30, 23,10, 23,29, 255
+@round18 !byte 0,9, 0,30, 1,8, 1,31, 2,7, 2,32, 3,6, 3,33, 4,5, 4,34, 5,4, 5,35, 6,4, 6,35, 7,3, 7,36, 8,3, 8,36, 9,3, 9,36, 10,2, 10,37, 11,2, 11,37, 12,2, 12,37, 13,2, 13,37, 14,3, 14,36, 15,3, 15,36, 16,3, 16,36, 17,4, 17,35, 18,4, 18,35, 19,5, 19,34, 20,6, 20,33, 21,7, 21,32, 22,8, 22,31, 23,9, 23,30, 255
+@round19 !byte 0,8, 0,31, 1,7, 1,32, 2,6, 2,33, 3,5, 3,34, 4,4, 4,35, 5,3, 5,36, 6,3, 6,36, 7,2, 7,37, 8,2, 8,37, 9,2, 9,37, 10,1, 10,38, 11,1, 11,38, 12,1, 12,38, 13,1, 13,38, 14,2, 14,37, 15,2, 15,37, 16,2, 16,37, 17,3, 17,36, 18,3, 18,36, 19,4, 19,35, 20,5, 20,34, 21,6, 21,33, 22,7, 22,32, 23,8, 23,31, 255
+@round20 !byte 0,7, 0,32, 1,6, 1,33, 2,5, 2,34, 3,4, 3,35, 4,3, 4,36, 5,2, 5,37, 6,2, 6,37, 7,1, 7,38, 8,1, 8,38, 9,1, 9,38, 10,0, 10,39, 11,0, 11,39, 12,0, 12,39, 13,0, 13,39, 14,1, 14,38, 15,1, 15,38, 16,1, 16,38, 17,2, 17,37, 18,2, 18,37, 19,3, 19,36, 20,4, 20,35, 21,5, 21,34, 22,6, 22,33, 23,7, 23,32, 255
+@round21 !byte 0,6, 0,33, 1,5, 1,34, 2,4, 2,35, 3,3, 3,36, 4,2, 4,37, 5,1, 5,38, 6,1, 6,38, 7,0, 7,39, 8,0, 8,39, 9,0, 9,39, 14,0, 14,39, 15,0, 15,39, 16,0, 16,39, 17,1, 17,38, 18,1, 18,38, 19,2, 19,37, 20,3, 20,36, 21,4, 21,35, 22,5, 22,34, 23,6, 23,33, 255
+@round22 !byte 0,5, 0,34, 1,4, 1,35, 2,3, 2,36, 3,2, 3,37, 4,1, 4,38, 5,0, 5,39, 6,0, 6,39, 17,0, 17,39, 18,0, 18,39, 19,1, 19,38, 20,2, 20,37, 21,3, 21,36, 22,4, 22,35, 23,5, 23,34, 255
+@round23 !byte 0,4, 0,35, 1,3, 1,36, 2,2, 2,37, 3,1, 3,38, 4,0, 4,39, 19,0, 19,39, 20,1, 20,38, 21,2, 21,37, 22,3, 22,36, 23,4, 23,35, 255
+@round24 !byte 0,3, 0,36, 1,2, 1,37, 2,1, 2,38, 3,0, 3,39, 20,0, 20,39, 21,1, 21,38, 22,2, 22,37, 23,3, 23,36, 255
+@round25 !byte 0,2, 0,37, 1,1, 1,38, 2,0, 2,39, 21,0, 21,39, 22,1, 22,38, 23,2, 23,37, 255
+@round26 !byte 0,1, 0,38, 1,0, 1,39, 22,0, 22,39, 23,1, 23,38, 255
+@round27 !byte 0,0, 0,39, 23,0, 23,39, 255
+}