34 lines
1020 B
Ruby
34 lines
1020 B
Ruby
module Register
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# GetByte moves a single byte into a register from memory.
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# indexes are 1 based (as for slots) , which means we sacrifice a byte of every word
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# for our sanity
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class GetByte < Getter
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# If you had a c array (of int8) and index offset
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# the instruction would do register = array[index]
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# The arguments are in the order that makes sense for the Instruction name
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# So GetSlot means the slot (array and index) moves to the register (last argument)
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# def initialize source , array , index , register
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# super
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# end
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# attr_accessor :array , :index , :register
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def to_s
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"GetByte: #{array}[#{index}] -> #{register}"
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end
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end
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# Produce a GetByte instruction.
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# from and to are translated (from symbol to register if neccessary)
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# but index is left as is.
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# def self.get_byte source , array , index , to
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# from = resolve_to_register from
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# to = resolve_to_register to
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# GetByte.new( source , array , index , to)
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# end
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end
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