#    This file is part of Metasm, the Ruby assembly manipulation suite
#    Copyright (C) 2006-2010 Yoann GUILLOT
#
#    Licence is LGPL, see LICENCE in the top-level directory

require 'metasm/main'

module Metasm

class MSP430 < CPU
	def initialize(e = :little)
		super()
		@endianness = e
		@size = 16
	end

	class Reg
		include Renderable
		Sym = (4..15).inject(0 => :pc, 1 => :sp, 2 => :flags, 3 => :rzero) { |h, i| h.update i => "r#{i}".to_sym }

		attr_accessor :i
		def initialize(i) ; @i = i end
		def symbolic ; Sym[@i] end
		def render ; [Sym[@i].to_s] end
		def ==(o) ; o.class == self.class and o.i == @i end
	end

	class Memref
		attr_accessor :base, :offset, :size, :postincr

		def initialize(base, offset = 0, size = nil, postincr = false)
			@base = base
			@offset = Expression[offset]
			@size = size
			@postincr = postincr
		end

		def symbolic(orig=nil)
			r = @base.symbolic if @base
			e = Expression[r, :+, @offset].reduce
			Indirection[e, (@size || 1), orig]
		end

		include Renderable

		def render
			b = @base
			b = @base.to_s + '++' if @base and @postincr
			p = Expression[b, :+, @offset].reduce
			Indirection[p, @size].render
		end
	end

	def init_opcode_list
		init
	end

	def dbg_register_list
		@dbg_register_list ||= Reg::Sym.sort.transpose.last
	end
end
end