Class: Mapleseed::MathRing

Inherits:
Ring
  • Object
show all
Defined in:
lib/mapleseed/ring.rb

Overview

command ring for whirl math operations

Instance Attribute Summary

Attributes inherited from Ring

#commands, #direction, #position, #value

Instance Method Summary collapse

Methods inherited from Ring

#execute, #rotate, #switch_direction

Constructor Details

#initialize(interpreter) ⇒ MathRing

initialize commands for math ring



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# File 'lib/mapleseed/ring.rb', line 133

def initialize(interpreter)
	super(interpreter)
	@commands = [:noop, :load, :store, :add, :mult, :div, :zero, :lt, :gt, :equal, :not, :neg]
end

Instance Method Details

#add ⇒ Object

set ring value += memory value



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# File 'lib/mapleseed/ring.rb', line 154

def add
	@value += @interpreter.memory.get(@interpreter.memory_position)
end

#div ⇒ Object

set ring value /= memory value



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# File 'lib/mapleseed/ring.rb', line 164

def div
	@value /= @interpreter.memory.get(@interpreter.memory_position)
end

#equal ⇒ Object

if ring value is equal to memory value, set value to 1, otherwise 0



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# File 'lib/mapleseed/ring.rb', line 192

def equal
	if @value == @interpreter.memory.get(@interpreter.memory_position) 
		@value = 1
	else
		@value = 0
	end
end

#gt ⇒ Object

if ring value is greater than memory value, set value to 1, otherwise 0



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# File 'lib/mapleseed/ring.rb', line 183

def gt
	if @value > @interpreter.memory.get(@interpreter.memory_position) 
		@value = 1
	else
		@value = 0
	end
end

#load ⇒ Object

set the ring value to the current memory value



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# File 'lib/mapleseed/ring.rb', line 144

def load
	@value = @interpreter.memory.get(@interpreter.memory_position)
end

#lt ⇒ Object

if ring value is less than memory value, set value to 1, otherwise 0



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# File 'lib/mapleseed/ring.rb', line 174

def lt
	if @value < @interpreter.memory.get(@interpreter.memory_position) 
		@value = 1
	else
		@value = 0
	end
end

#mult ⇒ Object

set ring value *= memory value



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# File 'lib/mapleseed/ring.rb', line 159

def mult
	@value *= @interpreter.memory.get(@interpreter.memory_position)
end

#neg ⇒ Object

inverse ring value



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# File 'lib/mapleseed/ring.rb', line 210

def neg
	@value *= -1
end

#noop ⇒ Object

do nothing



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# File 'lib/mapleseed/ring.rb', line 139

def noop
	#...
end

#not ⇒ Object

if ring value is not 0, set value to 1, otherwise 0



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# File 'lib/mapleseed/ring.rb', line 201

def not
	if @value == 0
		@value = 1
	else
		@value = 0
	end
end

#store ⇒ Object

set the current value in memory to the ring value



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# File 'lib/mapleseed/ring.rb', line 149

def store
	@interpreter.memory.set(@interpreter.memory_position, @value)
end

#zero ⇒ Object

set ring value to 0



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# File 'lib/mapleseed/ring.rb', line 169

def zero
	@value = 0
end