better death handling and bottom line

Weapon of death now is from special table (not fully random value).
Added last line of ground for better experience.

constants.asm

@@ -969,6 +969,8 @@ NamesOfWeapons ;the comment is an index in the tables
     dta d"Fuel Tank       " ; 61
     dta d"Contact Trigger " ; 62
     dta d"----------------" ; 63
+weaponsOfDeath
+	dta 0,1,2,3,7,8,9,15,16,17,18,19,20,21,22,23,24,25,26,27
 joyToKeyTable
   ; .by  00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15
     .by $ff,$ff,$ff,$ff,$ff,$ff,$ff,$07,$ff,$ff,$ff,$06,$ff,$0f,$0e,$ff