don't linearize memory until we're inside DisplayArtwork and have confirmed we can display SHR

src/constants.a

@@ -17,7 +17,7 @@
 ;~7400...... - program data (approximate)
 ;
 
-kPitchDarkBinaryAddress   = $3F25
+kPitchDarkBinaryAddress   = $3F2D
 
 kGameInfoBuffer           = $0800    ; used by LoadGameInfo
 kProDOSFileBuffer         = $1C00    ; 1K buffer for ProDOS MLI calls

src/pitchdark.init.a

@@ -62,7 +62,7 @@
          bne   @setSHR               ; always
 
 @kVidHDID
-         !byte $24, $EA, $4C
+         !byte 0,0,0
 
 @nextslot
          dex
@@ -79,9 +79,6 @@
          beq   +                     ; skip GS-specific code on non-GS machines (required, will crash on //c, grr)
 @setSHR
          inc   WeCanHazSHR+1
-         lda   $C029
-         ora   #$40
-         sta   $C029                 ; set GS NEWVIDEO mode to turn off linearize
 +
 
 ;------------------------------------------------------------------------------

src/ui.artwork.a

@@ -29,6 +29,9 @@ WeCanHazSHR
          +LDADDR kArtworkRootDirectory
          dex
          bne   +
+         lda   $C029
+         ora   #$40
+         sta   $C029                 ; set GS NEWVIDEO mode to turn off linearize
          +LDADDR kArtworkGSRootDirectory
 +        phx
          jsr   AddToPath