Ported libmks4agb from pokeruby (#12)

* Port agb_flash from pokeruby

* use ramscrgen

* formatting

* delete ewram_syms.txt and iwram_syms.txt

* Finish port of agb_flash

* Ported libmks4agb from pokeruby

* Reordered declarations to match pokeruby

asm/pokedex.s

@@ -497,10 +497,10 @@ _080BB71C:
 	adds r1, r2
 	ldrb r1, [r1]
 	bl sub_80BC8D4
-	ldr r0, =gUnknown_03007420
+	ldr r0, =gMPlay_BGM
 	ldr r1, =0x0000ffff
 	movs r2, 0x80
-	bl MPlayVolumeControl
+	bl m4aMPlayVolumeControl
 _080BB74C:
 	add sp, 0x8
 	pop {r3}
@@ -1246,11 +1246,11 @@ _080BBE18:
 	bl DestroyTask
 	ldr r0, =sub_8086194
 	bl SetMainCallback2
-	ldr r0, =gUnknown_03007420
+	ldr r0, =gMPlay_BGM
 	ldr r1, =0x0000ffff
 	movs r2, 0x80
 	lsls r2, 1
-	bl MPlayVolumeControl
+	bl m4aMPlayVolumeControl
 	ldr r0, [r5]
 	bl Free
 _080BBE4A:
@@ -7228,8 +7228,8 @@ _080BF2A8:
 	beq _080BF2B6
 	b _080BF5B2
 _080BF2B6:
-	ldr r0, =gUnknown_03007420
-	bl MPlayStop_rev01
+	ldr r0, =gMPlay_BGM
+	bl m4aMPlayStop
 	ldr r5, =gUnknown_02039B4C
 	ldr r0, [r5]
 	ldr r3, =0x0000064a
@@ -7592,7 +7592,7 @@ _080BF636:
 	movs r2, 0
 	movs r3, 0x10
 	bl pal_fade_maybe
-	ldr r0, =gUnknown_03007420
+	ldr r0, =gMPlay_BGM
 	bl m4aMPlayContinue
 	ldr r0, =gUnknown_02039B4C
 	ldr r0, [r0]
@@ -7634,7 +7634,7 @@ _080BF6B0:
 	movs r2, 0
 	movs r3, 0x10
 	bl pal_fade_maybe
-	ldr r0, =gUnknown_03007420
+	ldr r0, =gMPlay_BGM
 	bl m4aMPlayContinue
 	ldr r0, =gUnknown_02039B4C
 	ldr r0, [r0]
@@ -7689,7 +7689,7 @@ _080BF73C:
 	movs r2, 0
 	movs r3, 0x10
 	bl pal_fade_maybe
-	ldr r0, =gUnknown_03007420
+	ldr r0, =gMPlay_BGM
 	bl m4aMPlayContinue
 	ldr r0, =gUnknown_02039B4C
 	ldr r0, [r0]