migrate RADIAL4 effect to external file, and some cleanup

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

@@ -9,6 +9,7 @@ mirror_cols    = $BE00    ; $28 bytes
 hgr1hi         = $BE40    ; $C0 bytes
 hgr1himirror   = $BF40    ; $C0 bytes
 Coordinates1Bit= $8800    ; $3481 bytes ($3480 on disk + 1 byte EOF marker)
+EndCoordinates1Bit=Coordinates1Bit+$3480
 
          !source "src/fx/macros.a"
 
@@ -130,7 +131,7 @@ InitOnce
          +LOAD_FILE_AT .CoordinatesFile, Coordinates1Bit
          +READ_RAM1_WRITE_RAM1
          lda   #$80
-         sta   Coordinates1Bit + $3480
+         sta   EndCoordinates1Bit
 }
 
 !macro FX_REVERSE_1BIT {
@@ -138,9 +139,9 @@ InitOnce
          sty   $f0
          lda   #>Coordinates1Bit
          sta   $f1
-         lda   #<(Coordinates1Bit + $3480 - 2)
+         lda   #<(EndCoordinates1Bit - 2)
          sta   $f2
-         lda   #>(Coordinates1Bit + $3480 - 2)
+         lda   #>(EndCoordinates1Bit - 2)
          sta   $f3
          clc
          !byte $24

src/fx/fx.hgr.radial.a

@@ -100,4 +100,4 @@ CoordinatesFile
          !text "FX/RADIAL.DATA"
 
 Coordinates = Coordinates1Bit
-EndCoordinates = Coordinates + $3480
+EndCoordinates = EndCoordinates1Bit

src/fx/fx.hgr.radial2.a

@@ -18,4 +18,4 @@ CoordinatesFile
          !text "FX/RADIAL.DATA"
 
 Coordinates = Coordinates1Bit
-EndCoordinates = Coordinates + $3480
+EndCoordinates = EndCoordinates1Bit

src/fx/fx.hgr.radial3.a

@@ -91,4 +91,4 @@ CoordinatesFile
          !text "FX/RADIAL.DATA"
 
 Coordinates = Coordinates1Bit
-EndCoordinates = Coordinates + $3480
+EndCoordinates = EndCoordinates1Bit

src/fx/fx.hgr.radial4.a

@@ -1,17 +1,21 @@
 ;license:MIT
-;(c) 2019 by 4am
+;(c) 2019-2020 by 4am/qkumba
 ;
 !cpu 6502
 !to "build/FX/RADIAL4",plain
 *=$6000
 
          !source "src/fx/fx.hgr.precomputed.1bit.a"
+
+         +FX_INITONCE_1BIT CoordinatesFile, Start
+         +FX_RIPPLE_1BIT aslmod2
+
+Start
          !source "src/fx/fx.hgr.radial.common.a"
 
-!if * and 1 {
-         !byte 0
-}
-Coordinates
-         !source "src/fx/fx.hgr.radial4.data.a"
-EndCoordinates
-         !byte $80
+CoordinatesFile
+         !byte 14
+         !text "FX/RADIAL.DATA"
+
+Coordinates = Coordinates1Bit
+EndCoordinates = EndCoordinates1Bit