Int E0 Fn 001E  - Pcrobots V1.41 - "buy_armour" - Buy Or Sell Armor For R  [g]

   AX = 001Eh
   BX = number of armor units to buy (negative to sell)

Return: nothing

Note:  each armor unit is worth 50 battery units; the robot's armor rating
     will not go above its initial rating, so attempts to purchase more
     will waste battery units

See Also: AX=001Fh