diff --git a/constants.asm b/constants.asm
index 7f2d9d2..7acd049 100644
--- a/constants.asm
+++ b/constants.asm
@@ -215,8 +215,8 @@ SlideLeftTable
     .BY %00000101
     .BY %00000110
     .BY %00000111
-    .BY %00001100
-
+;    .BY %00001100
+SlideLeftTableLen = *-SlideLeftTable
 ;-------------------------------------------------
 TanksNamesDefault
     dta d"1st.Tank"
diff --git a/grafproc.asm b/grafproc.asm
index 35ca3db..70f2ca1 100644
--- a/grafproc.asm
+++ b/grafproc.asm
@@ -1136,7 +1136,7 @@ OneTimeParachute
 	jmp EndOfFCycle
 NoFallingDown
 	; check direction (left or right)
-	ldy #7		; SlideLeftTable length -1 (from 0 to 7)
+	ldy #SlideLeftTableLen-1		; SlideLeftTable length -1 (from 0 to 7)
 @	lda SlideLeftTable,y
 	cmp UnderTank1
 	beq FallingLeft
diff --git a/scorch.bin b/scorch.bin
index ad09a83..fcb8f42 100644
Binary files a/scorch.bin and b/scorch.bin differ
diff --git a/scorch.xex b/scorch.xex
index 1f8ffa9..6e69ea2 100644
Binary files a/scorch.xex and b/scorch.xex differ