47 lines
1.2 KiB
Ruby
47 lines
1.2 KiB
Ruby
module Arm
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# The arm machine has following instruction classes
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# - Memory
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# - Stack
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# - Logic
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# - Math
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# - Control/Compare
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# - Move
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# - Call class Instruction
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class Instruction
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include Positioned
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def initialize options
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@attributes = options
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end
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attr_reader :attributes
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def opcode
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@attributes[:opcode]
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end
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# this is giving read access to the attributes hash via .attibute syntax
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# so for an instruction pop you can write pop.opcode to get the :opcode attribute
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# TODDO: review (don't remember what the "set_" stuff was for)
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def method_missing name , *args , &block
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return super unless (args.length <= 1) or block_given?
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set , attribute = name.to_s.split("set_")
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if set == ""
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@attributes[attribute.to_sym] = args[0] || 1
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return self
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else
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return super
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end
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return @attributes[name.to_sym]
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end
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end
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end
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require_relative "constants"
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require_relative "instructions/call_instruction"
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require_relative "instructions/compare_instruction"
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require_relative "instructions/logic_instruction"
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require_relative "instructions/memory_instruction"
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require_relative "instructions/move_instruction"
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require_relative "instructions/stack_instruction"
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