split some tests, create more and especially big move
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@ -17,9 +17,9 @@ module ArmHelper
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def assert_code code , op , should
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def assert_code code , op , should
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assert_equal op , code.opcode
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assert_equal op , code.opcode
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io = StringIO.new
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io = StringIO.new
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code.assemble(io,nil)
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code.assemble(io)
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binary = io.string
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binary = io.string
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assert_equal 4 , binary.length , "code length wrong for #{code.inspect}"
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assert_equal should.length , binary.length , "code length wrong for #{code.inspect}"
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index = 0
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index = 0
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binary.each_byte do |byte |
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binary.each_byte do |byte |
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assert_equal should[index] , byte , "byte #{index} 0x#{should[index].to_s(16)} != 0x#{byte.to_s(16)}"
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assert_equal should[index] , byte , "byte #{index} 0x#{should[index].to_s(16)} != 0x#{byte.to_s(16)}"
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30
test/arm/test_add.rb
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30
test/arm/test_add.rb
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@ -0,0 +1,30 @@
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require_relative 'arm-helper'
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class TestAdd < MiniTest::Test
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include ArmHelper
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def test_adc
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code = @machine.adc :r1, :r3, :r5
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assert_code code , :adc , [0x05,0x10,0xa3,0xe0] #e0 a3 10 05
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end
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def test_add
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code = @machine.add :r1 , :r1, :r3
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assert_code code , :add , [0x03,0x10,0x81,0xe0] #e0 81 10 03
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end
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def test_add_const
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code = @machine.add :r1 , :r1, 0x22
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assert_code code , :add , [0x22,0x10,0x81,0xe2] #e2 81 10 22
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end
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def test_add_const_shift_lst
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code = @machine.add( :r1 , :r1 , 0x22 , shift_lsr: 8)
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assert_code code , :add , [0x22,0x14,0x81,0xe2] #e2 81 14 23
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end
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def test_add_lst
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code = @machine.add( :r1 , :r2 , :r3 , shift_lsr: 8)
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assert_code code , :add , [0x23,0x14,0x82,0xe0] #e0 82 14 23
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end
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def test_big_add
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code = @machine.add :r1 , :r1, 0x220
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assert_code code , :add , [0x20,0x12,0x81,0xe2] #e2 81 12 20
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end
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end
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@ -1,6 +1,7 @@
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require_relative "test_stack"
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require_relative "test_stack"
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require_relative "test_control"
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require_relative "test_control"
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require_relative "test_logic"
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require_relative "test_logic"
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require_relative "test_add"
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require_relative "test_move"
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require_relative "test_move"
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require_relative "test_memory"
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require_relative "test_memory"
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require_relative "test_compare"
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require_relative "test_compare"
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@ -3,18 +3,6 @@ require_relative 'arm-helper'
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class TestLogic < MiniTest::Test
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class TestLogic < MiniTest::Test
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include ArmHelper
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include ArmHelper
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def test_adc
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code = @machine.adc :r1, :r3, :r5
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assert_code code , :adc , [0x05,0x10,0xa3,0xe0] #e0 a3 10 05
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end
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def test_add
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code = @machine.add :r1 , :r1, :r3
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assert_code code , :add , [0x03,0x10,0x81,0xe0] #e0 81 10 03
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end
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def test_add_lst
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code = @machine.add( :r1 , :r2 , :r3 , shift_lsr: 8)
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assert_code code , :add , [0x23,0x14,0x82,0xe0] #e0 82 14 23
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end
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def test_and # inst eval doesn't really work with and
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def test_and # inst eval doesn't really work with and
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code = @machine.and( :r1 , :r2 , :r3)
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code = @machine.and( :r1 , :r2 , :r3)
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assert_code code , :and , [0x03,0x10,0x02,0xe0] #e0 01 10 03
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assert_code code , :and , [0x03,0x10,0x02,0xe0] #e0 01 10 03
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@ -7,6 +7,19 @@ class TestMoves < MiniTest::Test
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code = @machine.mov :r0, 5
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code = @machine.mov :r0, 5
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assert_code code , :mov , [0x05,0x00,0xa0,0xe3] #e3 a0 10 05
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assert_code code , :mov , [0x05,0x00,0xa0,0xe3] #e3 a0 10 05
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end
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end
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def test_mov_pc
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code = @machine.mov :pc, 6
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assert_code code , :mov , [0x06,0xf0,0xa0,0xe3] #e3 a0 f0 06
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end
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def test_mov_big
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code = @machine.mov :r0, 0x222
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code.set_position(0)
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begin #TODO use compiler to confirm codes here: this is just what passes
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assert_code code , :mov , [ 0x02,0x00,0xa0,0xe3 , 0xff,0x04,0x80,0xe2]
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rescue Register::LinkException
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retry
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end
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end
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def test_mvn
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def test_mvn
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code = @machine.mvn :r1, 5
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code = @machine.mvn :r1, 5
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assert_code code , :mvn , [0x05,0x10,0xe0,0xe3] #e3 e0 10 05
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assert_code code , :mvn , [0x05,0x10,0xe0,0xe3] #e3 e0 10 05
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