enable interrupting Spider Raid demo

src/demo/spider.raid.a

@@ -44,6 +44,8 @@
 -        lda   patch,x
          sta   $49A9,x
          sta   $99A5,x
+-        lda   patch2,x
+         sta   $5A79,x
          dex
          bpl   -
          sec
@@ -53,7 +55,13 @@
 
          jmp   $4246
 
+callback
+         lda   $C000
+         bmi   patch
+         rts
+
 patch    !byte $4C,$00,$01
+patch2   !byte $20,<callback,>callback
 
 title    !byte x_e-x_b
 x_b      !text "SPIDER.RAID"

src/index/artwork.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15209641
+         !be24  15210064
          !le16     5129

src/index/attract.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15156100
+         !be24  15156523
          !le16     5642

src/index/cache00.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15090598
+         !be24  15091021
          !le16     4012

src/index/cache01.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15104747
+         !be24  15105170
          !le16     4431

src/index/cache10.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15122450
+         !be24  15122873
          !le16     5651

src/index/cache11.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15142696
+         !be24  15143119
          !le16     6267

src/index/coverfade.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15214770
+         !be24  15215193
          !le16      410

src/index/credits.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15215524
+         !be24  15215947
          !le16      448

src/index/decrunch.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15215972
+         !be24  15216395
          !le16      303

src/index/demo.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  12169884
+         !be24  12170307
          !le16     1652

src/index/dfx.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15164382
+         !be24  15164805
          !le16     1640

src/index/dgr.fizzle.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15215256
+         !be24  15215679
          !le16       67

src/index/dgr.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15209582
+         !be24  15210005
          !le16       59

src/index/dhgr.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15208048
+         !be24  15208471
          !le16     1437

src/index/dtitle.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15192652
+         !be24  15193075
          !le16      537

src/index/fx.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15161742
+         !be24  15162165
          !le16     2640

src/index/gamehelp.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15166380
+         !be24  15166803
          !le16     7137

src/index/gr.fizzle.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15215180
+         !be24  15215603
          !le16       76

src/index/gr.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15209485
+         !be24  15209908
          !le16       97

src/index/helptext.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15215323
+         !be24  15215746
          !le16      201

src/index/hgr0.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15193189
+         !be24  15193612
          !le16     4702

src/index/hgr1.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15197891
+         !be24  15198314
          !le16     1715

src/index/hgr2.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15199606
+         !be24  15200029
          !le16     1129

src/index/hgr3.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15200735
+         !be24  15201158
          !le16     3388

src/index/hgr4.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15204123
+         !be24  15204546
          !le16     3332

src/index/hgr5.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15207455
+         !be24  15207878
          !le16      479

src/index/hgr6.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15207934
+         !be24  15208357
          !le16      114

src/index/joystick.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15216275
+         !be24  15216698
          !le16     2370

src/index/miniattract0.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15178829
+         !be24  15179252
          !le16     4741

src/index/miniattract1.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15183570
+         !be24  15183993
          !le16     2400

src/index/prelaunch.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15148963
+         !be24  15149386
          !le16     7137

src/index/search00.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15081335
+         !be24  15081758
          !le16     9263

src/index/search01.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15094610
+         !be24  15095033
          !le16    10137

src/index/search10.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15109178
+         !be24  15109601
          !le16    13272

src/index/search11.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15128101
+         !be24  15128524
          !le16    14595

src/index/sfx.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15166022
+         !be24  15166445
          !le16      358

src/index/slideshow.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15173517
+         !be24  15173940
          !le16     5312

src/index/title.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15185970
+         !be24  15186393
          !le16     6682

src/index/xsingle.idx.a

@@ -4,5 +4,5 @@
 ; This file is automatically generated
 ;
          !byte 0
-         !be24  15077366
+         !be24  15077789
          !le16     3969