.DEFINE reg_joypad ($00)
.DEFINE reg_interrupt_flags ($0f)
.DEFINE reg_lcd_controller ($40)
.DEFINE reg_lcd_status ($41)
.DEFINE reg_lyc ($45)
.DEFINE reg_viewport_y ($42)
.DEFINE reg_viewport_x ($43)
.DEFINE reg_bg_palette ($47)
.DEFINE reg_obj0_palette ($48)
.DEFINE reg_interrupt_enable ($ff)

.DEFINE VRAM_start $8000
.DEFINE OAM_start $FE00

.DEFINE dungeon_generation_step $20
.DEFINE intial_duplication_probablity $01

.DEFINE mem_button_direction ($c002)
.DEFINE mem_button_action ($c003)
.DEFINE mem_moving_animation_step ($c004)
; frame 0 (or 1 ?): movement can be initiated when with button actions
; frame 2: applying bunny attack damages
; frame 3: checking entities health and death if 0
; frame 4: entity collision map is being updated
; frame 15: movement is ended and coordinates are updated

.DEFINE mem_bunny_sprite ($cb00)
.DEFINE mem_bunny_x ($cb01)
.DEFINE mem_bunny_y ($cb02)
.DEFINE mem_bunny_direction ($cb03)
; aaaamddd: a = animation, m = is_moving, d = direction
.DEFINE mem_bunny_health ($cb06)
.DEFINE mem_viewport_x ($c008)
.DEFINE mem_viewport_y ($c009)
.DEFINE mem_rng_state_1 ($c00a) ; 2 bytes
.DEFINE mem_rng_state_2 ($c00b) ; 2 bytes

.DEFINE mem_map_loading_flags ($c00c)
; bit 0: if the object should be reloaded (scroll or first load)
; bit 1: has a movement ended (objects interaction should be checked, entities should update their positions)
; bit 2: if the prepared block should be updated at the next frame
; bit 3: animation step is going up (?)

.DEFINE mem_prepared_block_tile ($c00d)
.DEFINE mem_prepared_block_position_1 ($c00e)
.DEFINE mem_prepared_block_position_2 ($c00f)

.DEFINE mem_object_load_counter ($c010)
.DEFINE mem_prepared_viewport_x ($c011)
.DEFINE mem_prepared_viewport_y ($c012)

.DEFINE mem_display_flag ($c013)
; bit 0: if dialogue box is displayed

.DEFINE mem_current_mode ($c014)
.DEFINE mem_requested_mode ($c015)
.DEFINE enum_dungeon_mode $00
.DEFINE enum_dungeon_menu_mode $01
.DEFINE enum_dungeon_dialogue_mode $02
.DEFINE enum_loading_mode $03

.DEFINE mem_menu_cursor_position ($c016)
.DEFINE mem_last_button_direction ($c017)

.DEFINE dialogue_menu_choice1_routine $c018 ; Takes also $c019
.DEFINE dialogue_menu_choice2_routine $c01a ; Takes also $c01b
.DEFINE dialogue_menu_choice3_routine $c01c ; Takes also $c01d
.DEFINE dialogue_menu_choice3_routine $c01e ; Takes also $c01f

.DEFINE mem_last_button_action ($c020)

.DEFINE next_free_head_higher_bytes $c7
.DEFINE mem_next_free_head_lower_bytes ($c6ff)

.DEFINE mem_dungeon_generation_heads $c700 ; Takes the memory from c700 to c717
; struct head {
; 	direction: u8 (really u3 but padding),
; 	x: u8,
;	y: u8,
; }

; a bit of 1 is equivalent to an entity being on the tile
.DEFINE mem_entities_collisions $c780 ; Takes the memory from c780 to c7ff

; a bit of 1 is equivalent to the tile being free
.DEFINE mem_dungeon_map $c800 ; Takes the memory from c800 to c87f
.DEFINE mem_dungeon_map_high $c8

.DEFINE mem_room_list $c880 ; Takes the memory from c880 to c89f
.DEFINE mem_number_of_rooms ($c8a0)
; struct room {
;   x: u8,
;   sizex: u8,
;   y: u8,
;   sizey: u8,
; }

.DEFINE mem_object_list $c900 ; Takes the memory from c900 to c97f
; struct objects {
;	sprite: u8,
; 	x: u8,
;	y: u8,
;	interaction_jump_table_index: u8
; 	_padding: u32
; }

.DEFINE mem_oam_buffer $ca00 ; Until $ca9f
.DEFINE mem_oam_buffer_high $ca

.DEFINE dialogue_buffer $caa0 ; Until $cad6
.DEFINE dialogue_first_line $caa0
.DEFINE dialogue_second_line $cab2
.DEFINE dialogue_third_line $cac4

.DEFINE dialogue_menu_choice1 $caa1
.DEFINE dialogue_menu_choice2 $caaa
.DEFINE dialogue_menu_choice3 $cac5
.DEFINE dialogue_menu_choice4 $cace

.DEFINE dialogue_menu_choice1_cursor ($caa0)
.DEFINE dialogue_menu_choice2_cursor ($caa9)
.DEFINE dialogue_menu_choice3_cursor ($cac4)
.DEFINE dialogue_menu_choice4_cursor ($cacd)

.DEFINE mem_entities_list $cb00 ; Until cbff
; struct entity {
;	sprite: u8,
;	x: u8,
;	y: u8,
;	direction: u8 (animation = bit 7-4, bit 3 = is_moving, bit 2-0: direction),
;	turn_function_jump_table_index: u8
;	action_function_jump_table_index: u8
;	health: u8 (DAA decimal !!)
;	_padding: u72
;
;	# SANTA CHRISTMAS LIST PLEASE #
;	health, max health, list of possible attacks, maybe remaining attacks ? AI status (blind, scared, slow, etc..)
; }

.DEFINE enum_direction_left $01
.DEFINE enum_direction_right $02
.DEFINE enum_direction_up $03
.DEFINE enum_direction_down $04

.DEFINE palette_normal $e4
.DEFINE palette_bold_font $f4
.DEFINE palette_thin_font $c4

.DEFINE lcdc_window_enabled $8d
.DEFINE lcdc_window_disabled $87

; HIGH_RAM:
;
; 80-85 ; Free to use as temporary variables
.DEFINE tmp_var_1 ($80)
.DEFINE tmp_var_2 ($81)
.DEFINE tmp_var_3 ($82)
.DEFINE tmp_var_4 ($83)
.DEFINE tmp_var_5 ($84)
.DEFINE tmp_var_6 ($85)

; 86-90 ; OAM_DMA_Transfer_routine
.DEFINE OAM_DMA_Transfer_routine $ff86

; 90-fe ; Stack