Organize macros/ like pokecrystal

While doing so I replaced the StopAllMusic macro with a SFX_STOP_ALL_MUSIC constant and applied it throughout the code.

macros/scripts/text.asm

@@ -0,0 +1,78 @@
+text   EQUS "db $00," ; Start writing text.
+next   EQUS "db $4e," ; Move a line down.
+line   EQUS "db $4f," ; Start writing at the bottom line.
+para   EQUS "db $51," ; Start a new paragraph.
+cont   EQUS "db $55," ; Scroll to the next line.
+done   EQUS "db $57"  ; End a text box.
+prompt EQUS "db $58"  ; Prompt the player to end a text box (initiating some other event).
+
+page   EQUS "db $49,"     ; Start a new Pokedex page.
+dex    EQUS "db $5f, $50" ; End a Pokedex entry.
+
+TX_RAM: MACRO
+; prints text to screen
+; \1: RAM address to read from
+	db $1
+	dw \1
+ENDM
+
+TX_BCD: MACRO
+; \1: RAM address to read from
+; \2: number of bytes + print flags
+	db $2
+	dw \1
+	db \2
+ENDM
+
+TX_LINE    EQUS "db $05"
+TX_BLINK   EQUS "db $06"
+;TX_SCROLL EQUS "db $07"
+TX_ASM     EQUS "db $08"
+
+TX_NUM: MACRO
+; print a big-endian decimal number.
+; \1: address to read from
+; \2: number of bytes to read
+; \3: number of digits to display
+	db $09
+	dw \1
+	db \2 << 4 | \3
+ENDM
+
+TX_DELAY              EQUS "db $0a"
+TX_SFX_ITEM_1         EQUS "db $0b"
+TX_SFX_LEVEL_UP       EQUS "db $0b"
+;TX_ELLIPSES          EQUS "db $0c"
+TX_WAIT               EQUS "db $0d"
+;TX_SFX_DEX_RATING    EQUS "db $0e"
+TX_SFX_ITEM_2         EQUS "db $10"
+TX_SFX_KEY_ITEM       EQUS "db $11"
+TX_SFX_CAUGHT_MON     EQUS "db $12"
+TX_SFX_DEX_PAGE_ADDED EQUS "db $13"
+TX_CRY_NIDORINA       EQUS "db $14"
+TX_CRY_PIDGEOT        EQUS "db $15"
+;TX_CRY_DEWGONG       EQUS "db $16"
+
+TX_FAR: MACRO
+	db $17
+	dw \1
+	db BANK(\1)
+ENDM
+
+TX_VENDING_MACHINE         EQUS "db $f5"
+TX_CABLE_CLUB_RECEPTIONIST EQUS "db $f6"
+TX_PRIZE_VENDOR            EQUS "db $f7"
+TX_POKECENTER_PC           EQUS "db $f9"
+TX_PLAYERS_PC              EQUS "db $fc"
+TX_BILLS_PC                EQUS "db $fd"
+
+TX_MART: MACRO
+	db $FE, _NARG
+	REPT _NARG
+	db \1
+	SHIFT
+	ENDR
+	db $FF
+ENDM
+
+TX_POKECENTER_NURSE        EQUS "db $ff"