flip order all bitfield registers for recent update

i updated the bitfield library to order fields low to high, which more closely resembles other languages as well as gba documentation

shard.yml

@@ -13,7 +13,7 @@ crystal: ">=0.36.1, < 2.0.0"
 dependencies:
   bitfield:
     github: mattrberry/bitfield
-    version: 0.1.5
+    version: 0.2.0
   sdl:
     github: ysbaddaden/sdl.cr
   lib_gl:

src/crab/gba/cpu.cr

@@ -31,15 +31,15 @@ module GBA
     end
 
     class PSR < BitField(UInt32)
-      bool negative
-      bool zero
-      bool carry
-      bool overflow
-      num reserved, 20
-      bool irq_disable
-      bool fiq_disable
-      bool thumb
       num mode, 5
+      bool thumb
+      bool fiq_disable
+      bool irq_disable
+      num reserved, 20
+      bool overflow
+      bool carry
+      bool zero
+      bool negative
     end
 
     getter r = Slice(Word).new 16

src/crab/gba/reg.cr

@@ -31,78 +31,78 @@ module GBA
 
     class WAITCNT < BitField(UInt16)
       include Base16
-      bool gamepak_type, read_only: true
-      bool gamepack_prefetch_buffer
-      bool not_used, read_only: true
-      num phi_terminal_output, 2
-      num wait_state_2_second_access, 1
-      num wait_state_2_first_access, 2
-      num wait_state_1_second_access, 1
-      num wait_state_1_first_access, 2
-      num wait_state_0_second_access, 1
-      num wait_state_0_first_access, 2
       num sram_wait_control, 2
+      num wait_state_0_first_access, 2
+      num wait_state_0_second_access, 1
+      num wait_state_1_first_access, 2
+      num wait_state_1_second_access, 1
+      num wait_state_2_first_access, 2
+      num wait_state_2_second_access, 1
+      num phi_terminal_output, 2
+      bool not_used, read_only: true
+      bool gamepack_prefetch_buffer
+      bool gamepak_type, read_only: true
     end
 
     ####################
     # Interrupts
 
     class InterruptReg < BitField(UInt16)
-      num not_used, 2, read_only: true
-      bool game_pak
-      bool keypad
-      bool dma3
-      bool dma2
-      bool dma1
-      bool dma0
-      bool serial
-      bool timer3
-      bool timer2
-      bool timer1
-      bool timer0
-      bool vcounter
-      bool hblank
       bool vblank
+      bool hblank
+      bool vcounter
+      bool timer0
+      bool timer1
+      bool timer2
+      bool timer3
+      bool serial
+      bool dma0
+      bool dma1
+      bool dma2
+      bool dma3
+      bool keypad
+      bool game_pak
+      num not_used, 2, read_only: true
     end
 
     ####################
     # APU
 
     class SOUNDCNT_L < BitField(UInt16)
-      num channel_4_left, 1
-      num channel_3_left, 1
-      num channel_2_left, 1
-      num channel_1_left, 1
-      num channel_4_right, 1
-      num channel_3_right, 1
-      num channel_2_right, 1
-      num channel_1_right, 1
-      bool not_used_1, read_only: true
-      num left_volume, 3
-      bool not_used_2, read_only: true
       num right_volume, 3
+      bool not_used_2, read_only: true
+      num left_volume, 3
+      bool not_used_1, read_only: true
+      num channel_1_right, 1
+      num channel_2_right, 1
+      num channel_3_right, 1
+      num channel_4_right, 1
+      num channel_1_left, 1
+      num channel_2_left, 1
+      num channel_3_left, 1
+      num channel_4_left, 1
     end
 
     class SOUNDCNT_H < BitField(UInt16)
-      bool dma_sound_b_reset, read_only: true
-      num dma_sound_b_timer, 1
-      num dma_sound_b_left, 1
-      num dma_sound_b_right, 1
-      bool dma_sound_a_reset, read_only: true
-      num dma_sound_a_timer, 1
-      num dma_sound_a_left, 1
-      num dma_sound_a_right, 1
-      num not_used, 4, read_only: true
-      num dma_sound_b_volume, 1
-      num dma_sound_a_volume, 1
       num sound_volume, 2
+      num dma_sound_a_volume, 1
+      num dma_sound_b_volume, 1
+      num not_used, 4, read_only: true
+      num dma_sound_a_right, 1
+      num dma_sound_a_left, 1
+      num dma_sound_a_timer, 1
+      bool dma_sound_a_reset, read_only: true
+      num dma_sound_b_right, 1
+      num dma_sound_b_left, 1
+      num dma_sound_b_timer, 1
+      bool dma_sound_b_reset, read_only: true
     end
 
     class SOUNDBIAS < BitField(UInt16)
-      num amplitude_resolution, 2
-      num not_used_1, 4
-      num bias_level, 9
       bool not_used_2
+      num bias_level, 9
+      num not_used_1, 4
+      num amplitude_resolution, 2
     end
 
     ####################
@@ -110,27 +110,27 @@ module GBA
 
     class DMACNT < BitField(UInt16)
       include Base16
-      bool enable
-      bool irq_enable
-      num start_timing, 2
-      bool game_pak, write_only: true # special dma3 case handled separately
-      num type, 1
-      bool repeat
-      num source_control, 2
-      num dest_control, 2
       num not_used, 5, read_only: true
+      num dest_control, 2
+      num source_control, 2
+      bool repeat
+      num type, 1
+      bool game_pak, write_only: true # special dma3 case handled separately
+      num start_timing, 2
+      bool irq_enable
+      bool enable
     end
 
     ####################
     # Timer
 
     class TMCNT < BitField(UInt16)
-      num not_used_1, 8, read_only: true
-      bool enable
-      bool irq_enable
-      num not_used_2, 3, read_only: true
-      bool cascade
       num frequency, 2
+      bool cascade
+      num not_used_2, 3, read_only: true
+      bool irq_enable
+      bool enable
+      num not_used_1, 8, read_only: true
     end
 
     ####################
@@ -138,153 +138,153 @@ module GBA
 
     class DISPCNT < BitField(UInt16)
       include Base16
-      bool obj_window_display
-      bool window_1_display
-      bool window_0_display
-      bool screen_display_obj
-      bool screen_display_bg3
-      bool screen_display_bg2
-      bool screen_display_bg1
-      bool screen_display_bg0
-      bool forced_blank         # (1=Allow access to VRAM,Palette,OAM)
-      bool obj_mapping_1d       # (0=Two dimensional, 1=One dimensional)
-      bool hblank_interval_free # (1=Allow access to OAM during H-Blank)
-      bool display_frame_select # (0-1=Frame 0-1) (for BG Modes 4,5 only)
-      bool reserved_for_bios, read_only: true
       num bg_mode, 3 # (0-5=Video Mode 0-5, 6-7=Prohibited)
+      bool reserved_for_bios, read_only: true
+      bool display_frame_select # (0-1=Frame 0-1) (for BG Modes 4,5 only)
+      bool hblank_interval_free # (1=Allow access to OAM during H-Blank)
+      bool obj_mapping_1d       # (0=Two dimensional, 1=One dimensional)
+      bool forced_blank         # (1=Allow access to VRAM,Palette,OAM)
+      bool screen_display_bg0
+      bool screen_display_bg1
+      bool screen_display_bg2
+      bool screen_display_bg3
+      bool screen_display_obj
+      bool window_0_display
+      bool window_1_display
+      bool obj_window_display
     end
 
     class DISPSTAT < BitField(UInt16)
       include Base16
-      num vcount_setting, 8
-      num not_used, 2
-      bool vcounter_irq_enable
-      bool hblank_irq_enable
-      bool vblank_irq_enable
-      bool vcounter, read_only: true
-      bool hblank, read_only: true
       bool vblank, read_only: true
+      bool hblank, read_only: true
+      bool vcounter, read_only: true
+      bool vblank_irq_enable
+      bool hblank_irq_enable
+      bool vcounter_irq_enable
+      num not_used, 2
+      num vcount_setting, 8
     end
 
     class BGCNT < BitField(UInt16)
       include Base16
-      num screen_size, 2
-      bool affine_wrap, write_only: true # used only in bg2 and bg3
-      num screen_base_block, 5
-      bool color_mode_8bpp
-      bool mosaic
-      num not_used, 2
-      num character_base_block, 2
       num priority, 2
+      num character_base_block, 2
+      num not_used, 2
+      bool mosaic
+      bool color_mode_8bpp
+      num screen_base_block, 5
+      bool affine_wrap, write_only: true # used only in bg2 and bg3
+      num screen_size, 2
     end
 
     class BGOFS < BitField(UInt16)
       include Base16
-      num not_used, 7, read_only: true
       num offset, 9
+      num not_used, 7, read_only: true
     end
 
     class BGAFF < BitField(UInt16)
       include Base16
-      bool sign
-      num integer, 7
-      num fraction, 8
 
       def num : Int16
         value.to_i16!
       end
+      num fraction, 8
+      num integer, 7
+      bool sign
     end
 
     class BGREF < BitField(UInt32)
       include Base32
-      num not_used, 4, read_only: true
-      bool sign
-      num integer, 19
-      num fraction, 8
 
       def num : Int32
         (value << 4).to_i32! >> 4
       end
+      num fraction, 8
+      num integer, 19
+      bool sign
+      num not_used, 4, read_only: true
     end
 
     class WINH < BitField(UInt16)
       include Base16
-      num x1, 8
       num x2, 8
+      num x1, 8
     end
 
     class WINV < BitField(UInt16)
       include Base16
-      num y1, 8
       num y2, 8
+      num y1, 8
     end
 
     class WININ < BitField(UInt16)
       include Base16
-      num not_used_1, 2, read_only: true
-      bool window_1_color_special_effect
-      bool window_1_obj_enable
-      num window_1_enable_bits, 4
-      num not_used_0, 2, read_only: true
-      bool window_0_color_special_effect
-      bool window_0_obj_enable
       num window_0_enable_bits, 4
+      bool window_0_obj_enable
+      bool window_0_color_special_effect
+      num not_used_0, 2, read_only: true
+      num window_1_enable_bits, 4
+      bool window_1_obj_enable
+      bool window_1_color_special_effect
+      num not_used_1, 2, read_only: true
     end
 
     class WINOUT < BitField(UInt16)
       include Base16
-      num not_used_obj, 2, read_only: true
-      bool obj_window_color_special_effect
-      bool obj_window_obj_enable
-      num obj_window_enable_bits, 4
-      num not_used_outside, 2, read_only: true
-      bool outside_color_special_effect
-      bool outside_obj_enable
       num outside_enable_bits, 4
+      bool outside_obj_enable
+      bool outside_color_special_effect
+      num not_used_outside, 2, read_only: true
+      num obj_window_enable_bits, 4
+      bool obj_window_obj_enable
+      bool obj_window_color_special_effect
+      num not_used_obj, 2, read_only: true
     end
 
     class MOSAIC < BitField(UInt16)
       include Base16
-      num obj_mosiac_v_size, 4
-      num obj_mosiac_h_size, 4
-      num bg_mosiac_v_size, 4
       num bg_mosiac_h_size, 4
+      num bg_mosiac_v_size, 4
+      num obj_mosiac_h_size, 4
+      num obj_mosiac_v_size, 4
     end
 
     class BLDCNT < BitField(UInt16)
       include Base16
-      num not_used, 2, read_only: true
-      bool bd_2nd_target_pixel
-      bool obj_2nd_target_pixel
-      bool bg3_2nd_target_pixel
-      bool bg2_2nd_target_pixel
-      bool bg1_2nd_target_pixel
-      bool bg0_2nd_target_pixel
-      num blend_mode, 2
-      bool bd_1st_target_pixel
-      bool obj_1st_target_pixel
-      bool bg3_1st_target_pixel
-      bool bg2_1st_target_pixel
-      bool bg1_1st_target_pixel
-      bool bg0_1st_target_pixel
 
       def layer_target?(layer : Int, target : Int) : Bool
         bit?(value, layer + ((target - 1) * 8))
       end
+      bool bg0_1st_target_pixel
+      bool bg1_1st_target_pixel
+      bool bg2_1st_target_pixel
+      bool bg3_1st_target_pixel
+      bool obj_1st_target_pixel
+      bool bd_1st_target_pixel
+      num blend_mode, 2
+      bool bg0_2nd_target_pixel
+      bool bg1_2nd_target_pixel
+      bool bg2_2nd_target_pixel
+      bool bg3_2nd_target_pixel
+      bool obj_2nd_target_pixel
+      bool bd_2nd_target_pixel
+      num not_used, 2, read_only: true
     end
 
     class BLDALPHA < BitField(UInt16)
       include Base16
-      num not_used_13_15, 3, read_only: true
-      num evb_coefficient, 5
-      num not_used_5_7, 3, read_only: true
       num eva_coefficient, 5
+      num not_used_5_7, 3, read_only: true
+      num evb_coefficient, 5
+      num not_used_13_15, 3, read_only: true
     end
 
     class BLDY < BitField(UInt16)
       include Base16
-      num not_used, 11, read_only: true
       num evy_coefficient, 5
+      num not_used, 11, read_only: true
     end
 
     ####################
@@ -292,34 +292,34 @@ module GBA
 
     class KEYINPUT < BitField(UInt16)
       include Base16
-      num not_used, 6
-      bool l
-      bool r
-      bool down
-      bool up
-      bool left
-      bool right
-      bool start
-      bool :select
-      bool b
       bool a
+      bool b
+      bool :select
+      bool start
+      bool right
+      bool left
+      bool up
+      bool down
+      bool r
+      bool l
+      num not_used, 6
     end
 
     class KEYCNT < BitField(UInt16)
       include Base16
-      bool irq_condition
-      bool irq_enable
-      num not_used, 4
-      bool l
-      bool r
-      bool down
-      bool up
-      bool left
-      bool right
-      bool start
-      bool :select
-      bool b
       bool a
+      bool b
+      bool :select
+      bool start
+      bool right
+      bool left
+      bool up
+      bool down
+      bool r
+      bool l
+      num not_used, 4
+      bool irq_enable
+      bool irq_condition
     end
   end
 end