Identify wCrystalData's content and rename memory locations accordingly (#1191)

engine/menus/init_gender.asm

@@ -1,21 +1,21 @@
 InitCrystalData:
 	ld a, $1
-	ld [wd474], a
+	ld [wPlayerPrefecture], a
 	xor a
-	ld [wd473], a
+	ld [wPlayerAge], a
 	ld [wPlayerGender], a
-	ld [wd475], a
-	ld [wd476], a
-	ld [wd477], a
-	ld [wd478], a
+	ld [wPlayerPostalCode], a
+	ld [wPlayerPostalCode+1], a
+	ld [wPlayerPostalCode+2], a
+	ld [wPlayerPostalCode+3], a
 	ld [wd002], a
 	ld [wd003], a
-	ld a, [wd479]
+	ld a, [wCrystalFlags]
 	res 0, a ; ???
-	ld [wd479], a
-	ld a, [wd479]
+	ld [wCrystalFlags], a
+	ld a, [wCrystalFlags]
 	res 1, a ; ???
-	ld [wd479], a
+	ld [wCrystalFlags], a
 	ret
 
 INCLUDE "mobile/mobile_12.asm"

engine/menus/intro_menu.asm

@@ -402,7 +402,7 @@ PostCreditsSpawn:
 Continue_MobileAdapterMenu: ; unused
 	farcall CheckMobileAdapterStatus
 	ret nc
-	ld hl, wd479
+	ld hl, wCrystalFlags
 	bit 1, [hl]
 	ret nz
 	ld a, 5

engine/menus/save.asm

@@ -451,11 +451,11 @@ Function14d6c: ; unreferenced
 	ret
 
 Function14d83: ; unreferenced
-	ld a, BANK(s4_a60c) ; aka BANK(s4_a60d) ; MBC30 bank used by JP Crystal; inaccessible by MBC3
+	ld a, BANK(s4_a60c) ; MBC30 bank used by JP Crystal; inaccessible by MBC3
 	call OpenSRAM
 	xor a
 	ld [s4_a60c], a ; address of MBC30 bank
-	ld [s4_a60d], a ; address of MBC30 bank
+	ld [s4_a60c+1], a ; address of MBC30 bank
 	call CloseSRAM
 	ret
 
@@ -840,15 +840,15 @@ _SaveData:
 	call CopyBytes
 
 	; This block originally had some mobile functionality, but since we're still in
-	; BANK(sCrystalData), it instead overwrites the sixteen wEventFlags starting at 1:s4_a60e with
-	; garbage from wd479. This isn't an issue, since ErasePreviousSave is followed by a regular
+	; BANK(sCrystalData), it instead overwrites the sixteen wEventFlags starting at 1:sCrystalFlags with
+	; garbage from wCrystalFlags. This isn't an issue, since ErasePreviousSave is followed by a regular
 	; save that unwrites the garbage.
 
-	ld hl, wd479
+	ld hl, wCrystalFlags
 	ld a, [hli]
-	ld [s4_a60e + 0], a
+	ld [sCrystalFlags + 0], a
 	ld a, [hli]
-	ld [s4_a60e + 1], a
+	ld [sCrystalFlags + 1], a
 
 	jp CloseSRAM
 
@@ -861,12 +861,12 @@ _LoadData:
 	call CopyBytes
 
 	; This block originally had some mobile functionality to mirror _SaveData above, but instead it
-	; (harmlessly) writes the aforementioned wEventFlags to the unused wd479.
+	; (harmlessly) writes the aforementioned wEventFlags to the unused wCrystalFlags.
 
-	ld hl, wd479
-	ld a, [s4_a60e + 0]
+	ld hl, wCrystalFlags
+	ld a, [sCrystalFlags + 0]
 	ld [hli], a
-	ld a, [s4_a60e + 1]
+	ld a, [sCrystalFlags + 1]
 	ld [hli], a
 
 	jp CloseSRAM