Fixed null ptr bug in party display.

Platform/Apple/virtual/src/core/mem.s

@@ -79,11 +79,16 @@ relocate:
 ; special: clear most of the lower 48k and the ProDOS bank of the LC
 	bit setLcRW+lcBank1
 	bit setLcRW+lcBank1
-	tya
 	ldx #8
 .clr1	stx .clrst1+2
 	stx .clrst2+2
 	ldy #0
+	tya
+-	sta 0,y		; help catch null ptr problems
+	iny
+	cpy #$20
+	bne -
+	tay
 .clrst1	sta $800,y
 .clrst2	sta $880,y
 	iny

Platform/Apple/virtual/src/plasma/combat.pla

@@ -495,7 +495,7 @@ def makeEnemyGroup(enemyFunc)#1
   word p, enem, groupSize
   p = mmgr(HEAP_ALLOC, TYPE_ENEMY_GROUP)
   enem = enemyFunc()
-  p->b_enemyGroupRange = enem->b_enemyAttackRange + 30 // FIXME FOO - added 30 for testing only
+  p->b_enemyGroupRange = enem->b_enemyAttackRange
   if enem=>r_groupSize == 0  // handle unique enemies
     groupSize = 1
   else

Platform/Apple/virtual/src/plasma/gameloop.pla

@@ -1479,7 +1479,7 @@ export def showParty()#0
 
   // Display header (or LEVEL UP message)
   p = global=>p_players
-  while !p->b_skillPoints
+  while p and !p->b_skillPoints
     p = p=>p_nextObj
   loop
   if p