Fix for lonely pixel in Liquid Dirt.

grafproc.asm

@@ -1362,6 +1362,9 @@ NoClearTanks
     adw RangeLeft #mountaintable temp
     adw RangeLeft #mountaintable2 tempor2
 
+    cpw xdraw RangeRight
+	jcs NothingToFall
+
 NextColumn1
     mwa #0 ydraw
 NextPoint1
@@ -1450,6 +1453,7 @@ ColumnIsReady
     jeq MainFallout2
 ; now correct heights are in the mountaintable
     sta color	; Pozor! :)  we know - now A=1
+NothingToFall
     mva #sfx_silencer sfx_effect
 	jsr DrawTanks
     rts

scorch.asm

@@ -15,7 +15,7 @@
 
 ;---------------------------------------------------
 .macro build
-	dta d"1.20" ; number of this build (4 bytes)
+	dta d"1.21" ; number of this build (4 bytes)
 .endm
 
 .macro RMTSong

weapons.asm

@@ -1075,13 +1075,14 @@ FillHole
 	sta ydraw
 	beq ToHighFill	; if we filled all playfield (very rare but possible)
 	dec ydraw	; one pixel up
-ToHighFill
 	lda ydraw
     sta (tempXROLLER),y	;mountaintable update
 	mva #1 color
 	jsr plot.MakePlot
+ToHighFill
 .nowarn dew FillCounter
-	cpw FillCounter #0
+	lda FillCounter
+	ora FillCounter+1
 	jne RepeatFill
     rts
 .endp