RGBDS syntax updates (#905)

New MACRO and DEF syntax

constants/text_constants.asm

@@ -1,12 +1,12 @@
 ; name lengths
-NAME_LENGTH        EQU 11
-PLAYER_NAME_LENGTH EQU 8
-BOX_NAME_LENGTH    EQU 9
-MON_NAME_LENGTH    EQU 11
-MOVE_NAME_LENGTH   EQU 13
-ITEM_NAME_LENGTH   EQU 13
-TRAINER_CLASS_NAME_LENGTH EQU 13
-NAME_LENGTH_JAPANESE EQU 6
+DEF NAME_LENGTH               EQU 11
+DEF PLAYER_NAME_LENGTH        EQU 8
+DEF BOX_NAME_LENGTH           EQU 9
+DEF MON_NAME_LENGTH           EQU 11
+DEF MOVE_NAME_LENGTH          EQU 13
+DEF ITEM_NAME_LENGTH          EQU 13
+DEF TRAINER_CLASS_NAME_LENGTH EQU 13
+DEF NAME_LENGTH_JAPANESE      EQU 6
 
 ; GetName types (see home/names.asm)
 	const_def 1
@@ -20,18 +20,18 @@ NAME_LENGTH_JAPANESE EQU 6
 	const MOVE_DESC_NAME_BROKEN ; 8
 
 ; see home/text.asm
-BORDER_WIDTH   EQU 2
-TEXTBOX_WIDTH  EQU SCREEN_WIDTH
-TEXTBOX_INNERW EQU TEXTBOX_WIDTH - BORDER_WIDTH
-TEXTBOX_HEIGHT EQU 6
-TEXTBOX_INNERH EQU TEXTBOX_HEIGHT - BORDER_WIDTH
-TEXTBOX_X      EQU 0
-TEXTBOX_INNERX EQU TEXTBOX_X + 1
-TEXTBOX_Y      EQU SCREEN_HEIGHT - TEXTBOX_HEIGHT
-TEXTBOX_INNERY EQU TEXTBOX_Y + 2
+DEF BORDER_WIDTH   EQU 2
+DEF TEXTBOX_WIDTH  EQU SCREEN_WIDTH
+DEF TEXTBOX_INNERW EQU TEXTBOX_WIDTH - BORDER_WIDTH
+DEF TEXTBOX_HEIGHT EQU 6
+DEF TEXTBOX_INNERH EQU TEXTBOX_HEIGHT - BORDER_WIDTH
+DEF TEXTBOX_X      EQU 0
+DEF TEXTBOX_INNERX EQU TEXTBOX_X + 1
+DEF TEXTBOX_Y      EQU SCREEN_HEIGHT - TEXTBOX_HEIGHT
+DEF TEXTBOX_INNERY EQU TEXTBOX_Y + 2
 
 ; see gfx/frames/*.png
-TEXTBOX_FRAME_TILES EQU 6
+DEF TEXTBOX_FRAME_TILES EQU 6
 
 ; PrintNum bit flags
 	const_def 5
@@ -40,13 +40,13 @@ TEXTBOX_FRAME_TILES EQU 6
 	const PRINTNUM_LEADINGZEROS_F ; 7
 
 ; PrintNum arguments (see engine/math/print_num.asm)
-PRINTNUM_MONEY        EQU 1 << PRINTNUM_MONEY_F
-PRINTNUM_LEFTALIGN    EQU 1 << PRINTNUM_LEFTALIGN_F
-PRINTNUM_LEADINGZEROS EQU 1 << PRINTNUM_LEADINGZEROS_F
+DEF PRINTNUM_MONEY        EQU 1 << PRINTNUM_MONEY_F
+DEF PRINTNUM_LEFTALIGN    EQU 1 << PRINTNUM_LEFTALIGN_F
+DEF PRINTNUM_LEADINGZEROS EQU 1 << PRINTNUM_LEADINGZEROS_F
 
 ; character sets (see charmap.asm)
-FIRST_REGULAR_TEXT_CHAR EQU $60
-FIRST_HIRAGANA_DAKUTEN_CHAR EQU $20
+DEF FIRST_REGULAR_TEXT_CHAR     EQU $60
+DEF FIRST_HIRAGANA_DAKUTEN_CHAR EQU $20
 
 ; gfx/font/unown_font.png
-FIRST_UNOWN_CHAR EQU $40
+DEF FIRST_UNOWN_CHAR EQU $40