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32 lines
710 B
Ruby
32 lines
710 B
Ruby
# frozen_string_literal: true
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require_relative '../instruction_base'
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module N65
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class Segment < InstructionBase
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def self.parse(line)
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match_data = line.match(/^.segment (prog|char) (\d+)$/i)
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unless match_data.nil?
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_, segment, bank = match_data.to_a
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return Segment.new(segment, bank.to_i)
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end
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nil
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end
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# Initialize with filename
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def initialize(segment, bank)
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@bank = bank
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@segment = segment
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end
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# Execute the segment and bank change on the assembler
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def exec(assembler)
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assembler.current_segment = @segment
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assembler.current_bank = @bank
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end
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def to_s
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".segment #{@segment} #{@bank}"
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end
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end
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end
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