include EOF marker in 1-bit external files

src/fx/fx.hgr.bubbles.data.a

@@ -6721,3 +6721,4 @@
          !byte $18,%00001111
          !byte $48,%00001010
          !byte $48,%00000101
+         !byte $80

src/fx/fx.hgr.corner4.data.a

@@ -6721,3 +6721,4 @@
          !byte $01,%01000000
          !byte $01,%00000000
          !byte $01,%00100000
+         !byte $80

src/fx/fx.hgr.iris.data.a

@@ -6721,3 +6721,4 @@
          !byte $00,%01000000
          !byte $00,%00100000
          !byte $00,%00000000
+         !byte $80

src/fx/fx.hgr.precomputed.1bit.a

@@ -130,8 +130,9 @@ InitOnce
          +READ_RAM2_WRITE_RAM2
          +LOAD_FILE_AT .CoordinatesFile, Coordinates1Bit
          +READ_RAM1_WRITE_RAM1
-         lda   #$80
-         sta   EndCoordinates1Bit
+         ; data file must contain this EOF marker
+         ;lda   #$80
+         ;sta   EndCoordinates1Bit
 }
 
 !macro FX_REVERSE_1BIT {

src/fx/fx.hgr.radial.a

@@ -18,6 +18,7 @@ input          = $FE      ; word
          !source "src/fx/fx.hgr.precomputed.1bit.a"
 
          +FX_INITONCE_1BIT CoordinatesFile, Start
+         lda   #$80
          sta   Coordinates1Bit-2
 
 Start

src/fx/fx.hgr.radial.data.a

@@ -6721,3 +6721,4 @@
          !byte $04,%11010011
          !byte $02,%11010011
          !byte $00,%11010011
+         !byte $80

src/fx/fx.hgr.radial3.a

@@ -29,7 +29,7 @@ Start
          +ST16 input
          +LDADDR EndCoordinates1Bit-2
          +ST16 reverse_input
-         jmp   Loop
+         +HIDE_NEXT_BYTE
 Exit     rts
 Loop     ldy   #0
          lda   (input),y
@@ -89,5 +89,3 @@ Loop     ldy   #0
 CoordinatesFile
          !byte 14
          !text "FX/RADIAL.DATA"
-Coordinates=Coordinates1Bit
-EndCoordinates=EndCoordinates1Bit

src/fx/fx.hgr.slow.star.data.a

@@ -6721,3 +6721,4 @@
          !byte $1A,%00000000
          !byte $1E,%00000000
          !byte $1C,%00000000
+         !byte $80

src/fx/fx.hgr.snowflake.data.a

@@ -6721,3 +6721,4 @@
          !byte $5E,%01000000
          !byte $5E,%00100000
          !byte $5E,%00000000
+         !byte $80