add I.O. Silver to the collection

res/GAMES.CONF

@@ -105,6 +105,7 @@
 1000,IMPOSSIBLE.MISS=Impossible Mission
 0110,INDIANA.JONES
 1000,INTL.GRAN.PRIX=International Gran Prix
+0000,I.O.SILVER=I.O. Silver
 0001,JOUST
 0000,JUGGLER
 0001,JUMPMAN

res/TITLE.HGR/_FileInformation.txt

@@ -93,6 +93,7 @@ HIGH.RISE=Type(06),AuxType(4000),Access(C3)
 HORIZON.V=Type(06),AuxType(4000),Access(C3)
 HUNGRYBOY=Type(06),AuxType(4000),Access(C3)
 HYPER.HEAD.ON=Type(06),AuxType(4000),Access(C3)
+I.O.SILVER=Type(06),AuxType(4000),Access(C3)
 IKARI.WARRIORS=Type(06),AuxType(4000),Access(C3)
 IMPOSSIBLE.MISS=Type(06),AuxType(4000),Access(C3)
 INTL.GRAN.PRIX=Type(06),AuxType(4000),Access(C3)

res/notes/wishlist.txt

@@ -63,7 +63,6 @@ Mating Zone [priority]
 
 //other
 Battle Chess [DHGR]
-IO Silver [priority]
 Castle Smurfenstein
 Dino Smurf
 

src/prelaunch/i.o.silver.a

@@ -0,0 +1,22 @@
+;license:MIT
+;(c) 2020 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH/I.O.SILVER",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         +ENABLE_ACCEL
+         lda   #$60
+         sta   $8BA
+         jsr   $800       ; decompress
+         lda   #$60
+         sta   $B440
+         jsr   $B436
+         +DISABLE_ACCEL
+         jmp   $800
+
+!if * > $1C0 {
+  !error "code is too large, ends at ", *
+}