New offensive(defensive) weapon - "Buy me!" #97

constants.asm

@@ -263,7 +263,7 @@ WeaponPriceH ; weapons prices (tables with prices of weapons)
   .by >price_Ton_of_Dirt____
   .by >price_Liquid_Dirt____
   .by >price_Dirt_Charge____
-  .by >price_Earth_Disrupter
+  .by >price_Buy_me_________  
   .by >price_Plasma_Blast___
   .by >price_Laser__________
   .by >price______________33
@@ -329,7 +329,7 @@ WeaponPriceL
   .by <price_Ton_of_Dirt____
   .by <price_Liquid_Dirt____
   .by <price_Dirt_Charge____
-  .by <price_Earth_Disrupter
+  .by <price_Buy_me_________
   .by <price_Plasma_Blast___
   .by <price_Laser__________
   .by <price______________33
@@ -401,8 +401,8 @@ WeaponUnits
   .by 1  ;Ton_of_Dirt____
   .by 4  ;Liquid_Dirt____
   .by 2  ;Dirt_Charge____
-  .by 10 ;Earth_Disrupter
-  .by 5  ;Plasma_Blast___
+  .by 1  ;Buy_me_________
+  .by 0  ;Plasma_Blast___
   .by 5  ;Laser__________
   .by 0  ;_____________33
   .by 0  ;_____________34
@@ -421,17 +421,17 @@ WeaponUnits
   .by 0  ;_____________47
   .by 1  ;White_Flag___48
   .by 3  ;Battery________
-  .by 2  ;Bal_Guidance___
-  .by 5  ;Horz_Guidance__
-  .by 5  ;Vert_Guidance__
-  .by 2  ;Lazy_Boy_______
+  .by 0  ;Bal_Guidance___
+  .by 0  ;Horz_Guidance__
+  .by 0  ;Vert_Guidance__
+  .by 0  ;Lazy_Boy_______
   .by 3  ;Parachute______
   .by 2  ;StrongParachute
   .by 2  ;Mag_Deflector__
   .by 3  ;Shield_________
   .by 2  ;Heavy_Shield___
   .by 3  ;Force_Shield___
-  .by 2  ;Super_Mag______
+  .by 0  ;Super_Mag______
   .by 1  ;Auto_Defense___
   .by 2  ;Long_Barrel____
   .by 1  ;Nuclear_Winter_
@@ -448,7 +448,7 @@ PurchaseMeTable ;weapons good to be purchased by the robot
 	; "Digger          ","Heavy Digger    ","Baby Sandhog    ","Sandhog         "
 	.by %00000000
 	; "Heavy Sandhog   ","Dirt Clod       ","Dirt Ball       ","Ton of Dirt     "
-	; "Liquid Dirt     ","Dirt Charge     ","Earth Disrupter ","Plasma Blast    "
+	; "Liquid Dirt     ","Dirt Charge     ","Buy me!         ","Plasma Blast    "
 	.by %00000000
 	; "Laser           "
 	.by %00000000
@@ -472,7 +472,7 @@ PurchaseMeTable2 ;weapons good to be purchased by the robot (Cyborg)
 	; "Digger          ","Heavy Digger    ","Baby Sandhog    ","Sandhog         "
 	.by %00000000
 	; "Heavy Sandhog   ","Dirt Clod       ","Dirt Ball       ","Ton of Dirt     "
-	; "Liquid Dirt     ","Dirt Charge     ","Earth Disrupter ","Plasma Blast    "
+	; "Liquid Dirt     ","Dirt Charge     ","Buy me!         ","Plasma Blast    "
 	.by %00000000
 	; "Laser           "
 	.by %00000000
@@ -528,7 +528,7 @@ NamesOfWeapons ;the comment is an index in the tables
     dta d"Ton of Dirt     " ; 27
     dta d"Liquid Dirt     " ; 28
     dta d"Dirt Charge     " ; 29
-    dta d"Earth Disrupter " ; 30
+    dta d"Buy me!         " ; 30
     dta d"Plasma Blast    " ; 31
     dta d"Laser           " ; 32
     dta d"----------------" ; 33

definitions.asm

@@ -65,7 +65,7 @@ price_Dirt_Ball______ = 130    ;_26
 price_Ton_of_Dirt____ = 171    ;_27
 price_Liquid_Dirt____ = 330    ;_28
 price_Dirt_Charge____ = 343    ;_29
-price_Earth_Disrupter = $ffff ;430    ;_30
+price_Buy_me_________ = 170	   ;430    ;_30
 price_Plasma_Blast___ = $ffff ;274    ;_31
 price_Laser__________ = 277    ;_32
 price______________33 = 0
@@ -130,7 +130,7 @@ ind_Dirt_Ball______ = 26
 ind_Ton_of_Dirt____ = 27
 ind_Liquid_Dirt____ = 28
 ind_Dirt_Charge____ = 29
-ind_Earth_Disrupter = 30
+ind_Buy_me_________ = 30
 ind_Plasma_Blast___ = 31
 ind_Laser__________ = 32
 ind______________33 = 0

textproc.asm

@@ -795,7 +795,34 @@ positiveMoney
     ; now we have to get address of
     ; the table of the weapon of the tank
     ; and add appropriate number of shells
+
+    sty LastWeapon ; store last purchased weapon
+    ; because we must put screen pointer next to it
     
+	; but if we purchasing "Buy me!" then we must draw the winning weapon.
+	
+	cpy #ind_Buy_me_________
+	bne NoSuprise
+	
+Suprise	; get a random weapon
+	lda random
+	cmp #51		; defensive weapons are less likely because they are more expensive - probability 255:51 (5:1)
+	bcc GetRandomDefensive
+GetRandomOffensive
+	randomize ind_Missile________ ind_Laser__________
+	cmp #ind_Buy_me_________
+	beq GetRandomOffensive
+	tay
+    lda WeaponUnits,y	; check if weapon exist
+	beq GetRandomOffensive	
+	bne NoSuprise	; Y always <> 0
+GetRandomDefensive
+	randomize ind_Battery________ ind_Nuclear_Winter_
+	tay
+    lda WeaponUnits,y	; check if weapon exist
+	beq GetRandomDefensive
+	
+NoSuprise
     lda TanksWeaponsTableL,x
     sta weaponPointer
     lda TanksWeaponsTableH,x
@@ -810,8 +837,6 @@ positiveMoney
       lda #99
       sta (weaponPointer),y
 LessThan100
-    sty LastWeapon ; store last purchased weapon
-    ; because we must put screen pointer next to it
 
     mva #0 PositionOnTheList  ; to move the pointer to the top when no more monies
     jmp Purchase.AfterPurchase