39 lines
906 B
Ruby
39 lines
906 B
Ruby
|
module Arm
|
||
|
|
# The arm machine has following instruction classes
|
||
|
|
# - Memory
|
||
|
|
# - Stack
|
||
|
|
# - Logic
|
||
|
|
# - Math
|
||
|
|
# - Control/Compare
|
||
|
|
# - Move
|
||
|
|
# - Call class Instruction
|
||
|
|
module Attributed
|
||
|
|
|
||
|
|
attr_reader :attributes
|
||
|
|
def opcode
|
||
|
|
@attributes[:opcode]
|
||
|
|
end
|
||
|
|
def set_opcode code
|
||
|
|
@attributes[:opcode] = code
|
||
|
|
end
|
||
|
|
|
||
|
|
# for the shift handling that makes the arm so unique
|
||
|
|
def shift val , by
|
||
|
|
raise "Not integer #{val}:#{val.class} #{inspect}" unless val.is_a? Fixnum
|
||
|
|
val << by
|
||
|
|
end
|
||
|
|
|
||
|
|
def byte_length
|
||
|
|
4
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
require_relative "constants"
|
||
|
|
require_relative "instructions/call_instruction"
|
||
|
|
require_relative "instructions/compare_instruction"
|
||
|
|
require_relative "instructions/logic_instruction"
|
||
|
|
require_relative "instructions/memory_instruction"
|
||
|
|
require_relative "instructions/move_instruction"
|
||
|
|
require_relative "instructions/stack_instruction"
|