through sub_80598CC

asm/field_control_avatar.s

@@ -884,7 +884,7 @@ sub_806CF38: @ 806CF38
 	ldrh r1, [r4, 0x2]
 	b _0806CF7E
 _0806CF60:
-	ldr r1, _0806CFA4 @ =gUnknown_826D2D8
+	ldr r1, _0806CFA4 @ =gDirectionToVectors
 	lsls r2, r6, 3
 	adds r0, r2, r1
 	ldr r3, [r0]
@@ -919,7 +919,7 @@ _0806CF9E:
 	movs r0, 0
 	b _0806CFDE
 	.align 2, 0
-_0806CFA4: .4byte gUnknown_826D2D8
+_0806CFA4: .4byte gDirectionToVectors
 _0806CFA8: .4byte gMapObjects
 _0806CFAC:
 	movs r4, 0
@@ -994,7 +994,7 @@ _0806D02A:
 	lsrs r0, 24
 	cmp r0, 0x1
 	bne _0806D092
-	ldr r1, _0806D09C @ =gUnknown_826D2D8
+	ldr r1, _0806D09C @ =gDirectionToVectors
 	mov r0, r8
 	lsls r2, r0, 3
 	adds r0, r2, r1
@@ -1042,7 +1042,7 @@ _0806D092:
 	b _0806D0C8
 	.align 2, 0
 _0806D098: .4byte gMapObjects
-_0806D09C: .4byte gUnknown_826D2D8
+_0806D09C: .4byte gDirectionToVectors
 _0806D0A0:
 	ldr r0, _0806D0D4 @ =gSelectedEventObject
 	strb r5, [r0]

asm/field_effect_helpers.s

@@ -845,7 +845,7 @@ unc_grass_normal: @ 80DB3EC
 	lsrs r4, r0, 8
 	lsls r0, 24
 	lsrs r7, r0, 24
-	ldr r3, _080DB498 @ =gUnknown_2036E18
+	ldr r3, _080DB498 @ =gCamera
 	ldrb r1, [r3]
 	movs r0, 0x1
 	ands r0, r1
@@ -921,7 +921,7 @@ _080DB48C:
 	bl FieldEffectStop
 	b _080DB4E4
 	.align 2, 0
-_080DB498: .4byte gUnknown_2036E18
+_080DB498: .4byte gCamera
 _080DB49C: .4byte gSaveBlock1Ptr
 _080DB4A0:
 	mov r0, sp
@@ -1196,7 +1196,7 @@ unc_grass_tall: @ 80DB69C
 	lsrs r7, r0, 8
 	lsls r0, 24
 	lsrs r6, r0, 24
-	ldr r3, _080DB748 @ =gUnknown_2036E18
+	ldr r3, _080DB748 @ =gCamera
 	ldrb r1, [r3]
 	movs r0, 0x1
 	ands r0, r1
@@ -1272,7 +1272,7 @@ _080DB73C:
 	bl FieldEffectStop
 	b _080DB786
 	.align 2, 0
-_080DB748: .4byte gUnknown_2036E18
+_080DB748: .4byte gCamera
 _080DB74C: .4byte gSaveBlock1Ptr
 _080DB750:
 	mov r0, sp

asm/field_map_obj.s

@@ -3516,7 +3516,7 @@ npc_coords_shift_still: @ 805F818
 	thumb_func_start UpdateFieldObjectCoordsForCameraUpdate
 UpdateFieldObjectCoordsForCameraUpdate: @ 805F82C
 	push {r4,r5,lr}
-	ldr r2, _0805F88C @ =gUnknown_2036E18
+	ldr r2, _0805F88C @ =gCamera
 	ldrb r1, [r2]
 	movs r0, 0x1
 	ands r0, r1
@@ -3566,7 +3566,7 @@ _0805F884:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0805F88C: .4byte gUnknown_2036E18
+_0805F88C: .4byte gCamera
 _0805F890: .4byte gMapObjects
 	thumb_func_end UpdateFieldObjectCoordsForCameraUpdate
 

asm/fieldmap.s

@@ -3,724 +3,6 @@
 
 	.syntax unified
 
-	.text
-
-	thumb_func_start GetPostCameraMoveMapBorderId
-GetPostCameraMoveMapBorderId: @ 805943C
-	push {r4,lr}
-	adds r3, r1, 0
-	ldr r1, _08059460 @ =gSaveBlock1Ptr
-	ldr r1, [r1]
-	movs r4, 0
-	ldrsh r2, [r1, r4]
-	adds r0, 0x7
-	adds r2, r0
-	movs r0, 0x2
-	ldrsh r1, [r1, r0]
-	adds r3, 0x7
-	adds r1, r3
-	adds r0, r2, 0
-	bl GetMapBorderIdAt
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_08059460: .4byte gSaveBlock1Ptr
-	thumb_func_end GetPostCameraMoveMapBorderId
-
-	thumb_func_start CanCameraMoveInDirection
-CanCameraMoveInDirection: @ 8059464
-	push {r4,r5,lr}
-	ldr r1, _0805949C @ =gSaveBlock1Ptr
-	ldr r4, [r1]
-	movs r1, 0
-	ldrsh r3, [r4, r1]
-	ldr r2, _080594A0 @ =gUnknown_826D2D8
-	lsls r0, 3
-	adds r1, r0, r2
-	ldr r1, [r1]
-	adds r1, 0x7
-	adds r3, r1
-	movs r5, 0x2
-	ldrsh r1, [r4, r5]
-	adds r2, 0x4
-	adds r0, r2
-	ldr r0, [r0]
-	adds r0, 0x7
-	adds r1, r0
-	adds r0, r3, 0
-	bl GetMapBorderIdAt
-	movs r1, 0x1
-	negs r1, r1
-	cmp r0, r1
-	beq _080594A4
-	movs r0, 0x1
-	b _080594A6
-	.align 2, 0
-_0805949C: .4byte gSaveBlock1Ptr
-_080594A0: .4byte gUnknown_826D2D8
-_080594A4:
-	movs r0, 0
-_080594A6:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end CanCameraMoveInDirection
-
-	thumb_func_start sub_80594AC
-sub_80594AC: @ 80594AC
-	push {r4-r7,lr}
-	adds r5, r0, 0
-	adds r4, r1, 0
-	adds r6, r2, 0
-	adds r7, r3, 0
-	bl mapconnection_get_mapheader
-	adds r3, r0, 0
-	cmp r4, 0x2
-	beq _08059514
-	cmp r4, 0x2
-	bgt _080594CA
-	cmp r4, 0x1
-	beq _08059500
-	b _08059526
-_080594CA:
-	cmp r4, 0x3
-	beq _080594E8
-	cmp r4, 0x4
-	bne _08059526
-	ldr r0, _080594E4 @ =gSaveBlock1Ptr
-	ldr r1, [r0]
-	negs r0, r6
-	strh r0, [r1]
-	ldr r2, [r5, 0x4]
-	ldrh r0, [r1, 0x2]
-	subs r0, r2
-	b _08059524
-	.align 2, 0
-_080594E4: .4byte gSaveBlock1Ptr
-_080594E8:
-	ldr r0, _080594FC @ =gSaveBlock1Ptr
-	ldr r1, [r0]
-	ldr r0, [r3]
-	ldr r0, [r0]
-	strh r0, [r1]
-	ldr r2, [r5, 0x4]
-	ldrh r0, [r1, 0x2]
-	subs r0, r2
-	b _08059524
-	.align 2, 0
-_080594FC: .4byte gSaveBlock1Ptr
-_08059500:
-	ldr r0, _08059510 @ =gSaveBlock1Ptr
-	ldr r1, [r0]
-	ldr r2, [r5, 0x4]
-	ldrh r0, [r1]
-	subs r0, r2
-	strh r0, [r1]
-	negs r0, r7
-	b _08059524
-	.align 2, 0
-_08059510: .4byte gSaveBlock1Ptr
-_08059514:
-	ldr r0, _0805952C @ =gSaveBlock1Ptr
-	ldr r1, [r0]
-	ldr r2, [r5, 0x4]
-	ldrh r0, [r1]
-	subs r0, r2
-	strh r0, [r1]
-	ldr r0, [r3]
-	ldr r0, [r0, 0x4]
-_08059524:
-	strh r0, [r1, 0x2]
-_08059526:
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805952C: .4byte gSaveBlock1Ptr
-	thumb_func_end sub_80594AC
-
-	thumb_func_start CameraMove
-CameraMove: @ 8059530
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	mov r10, r0
-	mov r9, r1
-	ldr r1, _08059570 @ =gUnknown_2036E18
-	ldrb r0, [r1]
-	movs r1, 0x2
-	negs r1, r1
-	ands r1, r0
-	ldr r2, _08059570 @ =gUnknown_2036E18
-	strb r1, [r2]
-	mov r0, r10
-	mov r1, r9
-	bl GetPostCameraMoveMapBorderId
-	adds r7, r0, 0
-	adds r0, r7, 0x1
-	cmp r0, 0x1
-	bhi _08059578
-	ldr r0, _08059574 @ =gSaveBlock1Ptr
-	ldr r1, [r0]
-	ldrh r0, [r1]
-	add r0, r10
-	strh r0, [r1]
-	ldrh r0, [r1, 0x2]
-	add r0, r9
-	strh r0, [r1, 0x2]
-	b _080595E2
-	.align 2, 0
-_08059570: .4byte gUnknown_2036E18
-_08059574: .4byte gSaveBlock1Ptr
-_08059578:
-	bl save_serialize_map
-	ldr r1, _080595F8 @ =gSaveBlock1Ptr
-	ldr r0, [r1]
-	movs r2, 0
-	ldrsh r5, [r0, r2]
-	movs r1, 0x2
-	ldrsh r6, [r0, r1]
-	lsls r2, r7, 24
-	lsrs r2, 24
-	mov r8, r2
-	mov r0, r8
-	adds r1, r5, 0
-	adds r2, r6, 0
-	bl sub_8059600
-	adds r4, r0, 0
-	adds r1, r7, 0
-	mov r2, r10
-	mov r3, r9
-	bl sub_80594AC
-	ldrb r0, [r4, 0x8]
-	ldrb r1, [r4, 0x9]
-	bl sub_8055864
-	ldr r1, _080595FC @ =gUnknown_2036E18
-	ldrb r0, [r1]
-	movs r1, 0x1
-	orrs r0, r1
-	ldr r2, _080595FC @ =gUnknown_2036E18
-	strb r0, [r2]
-	ldr r0, _080595F8 @ =gSaveBlock1Ptr
-	ldr r1, [r0]
-	movs r2, 0
-	ldrsh r0, [r1, r2]
-	subs r5, r0
-	ldr r0, _080595FC @ =gUnknown_2036E18
-	str r5, [r0, 0x4]
-	movs r2, 0x2
-	ldrsh r0, [r1, r2]
-	subs r6, r0
-	ldr r0, _080595FC @ =gUnknown_2036E18
-	str r6, [r0, 0x8]
-	ldrh r0, [r1]
-	add r0, r10
-	strh r0, [r1]
-	ldrh r0, [r1, 0x2]
-	add r0, r9
-	strh r0, [r1, 0x2]
-	mov r0, r8
-	bl sub_8059250
-_080595E2:
-	ldr r0, _080595FC @ =gUnknown_2036E18
-	ldrb r0, [r0]
-	lsls r0, 31
-	lsrs r0, 31
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080595F8: .4byte gSaveBlock1Ptr
-_080595FC: .4byte gUnknown_2036E18
-	thumb_func_end CameraMove
-
-	thumb_func_start sub_8059600
-sub_8059600: @ 8059600
-	push {r4-r7,lr}
-	mov r7, r9
-	mov r6, r8
-	push {r6,r7}
-	mov r9, r1
-	mov r8, r2
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldr r0, _0805963C @ =gMapHeader
-	ldr r0, [r0, 0xC]
-	ldr r7, [r0]
-	ldr r4, [r0, 0x4]
-	movs r5, 0
-	cmp r5, r7
-	bge _08059648
-_0805961E:
-	ldrb r0, [r4]
-	cmp r0, r6
-	bne _08059640
-	adds r0, r6, 0
-	mov r1, r9
-	mov r2, r8
-	adds r3, r4, 0
-	bl sub_8059658
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _08059640
-	adds r0, r4, 0
-	b _0805964A
-	.align 2, 0
-_0805963C: .4byte gMapHeader
-_08059640:
-	adds r5, 0x1
-	adds r4, 0xC
-	cmp r5, r7
-	blt _0805961E
-_08059648:
-	movs r0, 0
-_0805964A:
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8059600
-
-	thumb_func_start sub_8059658
-sub_8059658: @ 8059658
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r7, r1, 0
-	mov r8, r2
-	adds r5, r3, 0
-	lsls r0, 24
-	lsrs r4, r0, 24
-	adds r6, r4, 0
-	adds r0, r5, 0
-	bl mapconnection_get_mapheader
-	adds r2, r0, 0
-	cmp r4, 0x1
-	blt _080596B0
-	cmp r4, 0x2
-	bgt _08059690
-	ldr r0, _0805968C @ =gMapHeader
-	ldr r0, [r0]
-	ldr r1, [r0]
-	ldr r0, [r2]
-	ldr r2, [r0]
-	ldr r3, [r5, 0x4]
-	adds r0, r7, 0
-	b _080596A2
-	.align 2, 0
-_0805968C: .4byte gMapHeader
-_08059690:
-	cmp r6, 0x4
-	bgt _080596B0
-	ldr r0, _080596AC @ =gMapHeader
-	ldr r0, [r0]
-	ldr r1, [r0, 0x4]
-	ldr r0, [r2]
-	ldr r2, [r0, 0x4]
-	ldr r3, [r5, 0x4]
-	mov r0, r8
-_080596A2:
-	bl sub_80596BC
-	lsls r0, 24
-	lsrs r0, 24
-	b _080596B2
-	.align 2, 0
-_080596AC: .4byte gMapHeader
-_080596B0:
-	movs r0, 0
-_080596B2:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8059658
-
-	thumb_func_start sub_80596BC
-sub_80596BC: @ 80596BC
-	push {r4,lr}
-	adds r4, r0, 0
-	adds r0, r2, 0
-	adds r2, r3, 0
-	cmp r3, 0
-	bge _080596CA
-	movs r3, 0
-_080596CA:
-	adds r2, r0, r2
-	cmp r2, r1
-	bge _080596D2
-	adds r1, r2, 0
-_080596D2:
-	cmp r3, r4
-	bgt _080596DE
-	cmp r4, r1
-	bgt _080596DE
-	movs r0, 0x1
-	b _080596E0
-_080596DE:
-	movs r0, 0
-_080596E0:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80596BC
-
-	thumb_func_start sub_80596E8
-sub_80596E8: @ 80596E8
-	push {lr}
-	cmp r0, 0
-	blt _080596F6
-	cmp r0, r1
-	bge _080596F6
-	movs r0, 0x1
-	b _080596F8
-_080596F6:
-	movs r0, 0
-_080596F8:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80596E8
-
-	thumb_func_start sub_80596FC
-sub_80596FC: @ 80596FC
-	push {r4-r6,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	bl mapconnection_get_mapheader
-	adds r1, r0, 0
-	ldrb r0, [r4]
-	cmp r0, 0x1
-	blt _08059734
-	cmp r0, 0x2
-	bgt _08059722
-	ldr r0, [r4, 0x4]
-	subs r0, r5, r0
-	ldr r1, [r1]
-	ldr r1, [r1]
-	bl sub_80596E8
-	b _08059736
-_08059722:
-	cmp r0, 0x4
-	bgt _08059734
-	ldr r0, [r4, 0x4]
-	subs r0, r6, r0
-	ldr r1, [r1]
-	ldr r1, [r1, 0x4]
-	bl sub_80596E8
-	b _08059736
-_08059734:
-	movs r0, 0
-_08059736:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80596FC
-
-	thumb_func_start sub_805973C
-sub_805973C: @ 805973C
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	lsls r0, 16
-	lsrs r0, 16
-	mov r8, r0
-	lsls r1, 16
-	lsrs r1, 16
-	ldr r2, _0805975C @ =gMapHeader
-	ldr r0, [r2, 0xC]
-	cmp r0, 0
-	bne _08059764
-	b _080597DA
-	.align 2, 0
-_0805975C: .4byte gMapHeader
-_08059760:
-	adds r0, r4, 0
-	b _080597DC
-_08059764:
-	ldr r7, [r0]
-	ldr r4, [r0, 0x4]
-	movs r6, 0
-	cmp r6, r7
-	bge _080597DA
-	lsls r0, r1, 16
-	asrs r5, r0, 16
-	mov r9, r2
-	mov r1, r8
-	lsls r0, r1, 16
-	asrs r0, 16
-	mov r10, r0
-_0805977C:
-	ldrb r1, [r4]
-	adds r3, r1, 0
-	subs r0, r1, 0x5
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bls _080597D2
-	cmp r1, 0x2
-	bne _08059792
-	cmp r5, 0x6
-	bgt _080597D2
-_08059792:
-	cmp r1, 0x1
-	bne _080597A2
-	mov r2, r9
-	ldr r0, [r2]
-	ldr r0, [r0, 0x4]
-	adds r0, 0x7
-	cmp r5, r0
-	blt _080597D2
-_080597A2:
-	mov r0, r8
-	lsls r2, r0, 16
-	cmp r1, 0x3
-	bne _080597B0
-	mov r1, r10
-	cmp r1, 0x6
-	bgt _080597D2
-_080597B0:
-	cmp r3, 0x4
-	bne _080597C2
-	asrs r1, r2, 16
-	mov r3, r9
-	ldr r0, [r3]
-	ldr r0, [r0]
-	adds r0, 0x7
-	cmp r1, r0
-	blt _080597D2
-_080597C2:
-	asrs r1, r2, 16
-	subs r1, 0x7
-	adds r0, r4, 0
-	subs r2, r5, 0x7
-	bl sub_80596FC
-	cmp r0, 0x1
-	beq _08059760
-_080597D2:
-	adds r6, 0x1
-	adds r4, 0xC
-	cmp r6, r7
-	blt _0805977C
-_080597DA:
-	movs r0, 0
-_080597DC:
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_805973C
-
-	thumb_func_start sub_80597EC
-sub_80597EC: @ 80597EC
-	lsls r0, 16
-	lsrs r0, 16
-	lsls r1, 16
-	lsrs r1, 16
-	ldr r2, _08059804 @ =gSaveBlock1Ptr
-	ldr r2, [r2]
-	subs r0, 0x7
-	strh r0, [r2]
-	subs r1, 0x7
-	strh r1, [r2, 0x2]
-	bx lr
-	.align 2, 0
-_08059804: .4byte gSaveBlock1Ptr
-	thumb_func_end sub_80597EC
-
-	thumb_func_start sav1_camera_get_focus_coords
-sav1_camera_get_focus_coords: @ 8059808
-	ldr r2, _0805981C @ =gSaveBlock1Ptr
-	ldr r3, [r2]
-	ldrh r2, [r3]
-	adds r2, 0x7
-	strh r2, [r0]
-	ldrh r0, [r3, 0x2]
-	adds r0, 0x7
-	strh r0, [r1]
-	bx lr
-	.align 2, 0
-_0805981C: .4byte gSaveBlock1Ptr
-	thumb_func_end sav1_camera_get_focus_coords
-
-	thumb_func_start SetCameraCoords
-SetCameraCoords: @ 8059820
-	ldr r2, _0805982C @ =gSaveBlock1Ptr
-	ldr r2, [r2]
-	strh r0, [r2]
-	strh r1, [r2, 0x2]
-	bx lr
-	.align 2, 0
-_0805982C: .4byte gSaveBlock1Ptr
-	thumb_func_end SetCameraCoords
-
-	thumb_func_start GetCameraCoords
-GetCameraCoords: @ 8059830
-	ldr r2, _08059840 @ =gSaveBlock1Ptr
-	ldr r3, [r2]
-	ldrh r2, [r3]
-	strh r2, [r0]
-	ldrh r0, [r3, 0x2]
-	strh r0, [r1]
-	bx lr
-	.align 2, 0
-_08059840: .4byte gSaveBlock1Ptr
-	thumb_func_end GetCameraCoords
-
-	thumb_func_start copy_tileset_patterns_to_vram
-copy_tileset_patterns_to_vram: @ 8059844
-	push {r4-r7,lr}
-	sub sp, 0x4
-	adds r3, r0, 0
-	lsls r1, 16
-	lsrs r4, r1, 16
-	adds r6, r4, 0
-	lsls r2, 16
-	lsrs r5, r2, 16
-	adds r7, r5, 0
-	cmp r3, 0
-	beq _08059880
-	ldrb r0, [r3]
-	cmp r0, 0
-	bne _08059870
-	ldr r1, [r3, 0x4]
-	lsls r2, r4, 21
-	lsrs r2, 16
-	movs r0, 0x2
-	adds r3, r5, 0
-	bl LoadBgTiles
-	b _08059880
-_08059870:
-	ldr r1, [r3, 0x4]
-	lsls r2, r6, 5
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x2
-	adds r3, r7, 0
-	bl sub_80F68F0
-_08059880:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end copy_tileset_patterns_to_vram
-
-	thumb_func_start copy_tileset_patterns_to_vram2
-copy_tileset_patterns_to_vram2: @ 8059888
-	push {r4-r7,lr}
-	sub sp, 0x4
-	adds r3, r0, 0
-	lsls r1, 16
-	lsrs r4, r1, 16
-	adds r6, r4, 0
-	lsls r2, 16
-	lsrs r5, r2, 16
-	adds r7, r5, 0
-	cmp r3, 0
-	beq _080598C4
-	ldrb r0, [r3]
-	cmp r0, 0
-	bne _080598B4
-	ldr r1, [r3, 0x4]
-	lsls r2, r4, 21
-	lsrs r2, 16
-	movs r0, 0x2
-	adds r3, r5, 0
-	bl LoadBgTiles
-	b _080598C4
-_080598B4:
-	ldr r1, [r3, 0x4]
-	lsls r2, r6, 5
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x2
-	adds r3, r7, 0
-	bl sub_80F69E8
-_080598C4:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end copy_tileset_patterns_to_vram2
-
-	thumb_func_start sub_80598CC
-sub_80598CC: @ 80598CC
-	push {r4,r5,lr}
-	lsls r0, 16
-	lsrs r4, r0, 16
-	lsls r1, 16
-	lsrs r5, r1, 16
-	ldr r0, _080598EC @ =gUnknown_2036E28
-	ldrb r0, [r0]
-	cmp r0, 0x1
-	beq _080598F0
-	cmp r0, 0x1
-	ble _0805993A
-	cmp r0, 0x2
-	beq _08059904
-	cmp r0, 0x3
-	beq _08059918
-	b _0805993A
-	.align 2, 0
-_080598EC: .4byte gUnknown_2036E28
-_080598F0:
-	lsls r4, 1
-	ldr r0, _08059900 @ =gPlttBufferUnfaded
-	adds r0, r4, r0
-	adds r1, r5, 0
-	bl TintPalette_GrayScale
-	b _0805992C
-	.align 2, 0
-_08059900: .4byte gPlttBufferUnfaded
-_08059904:
-	lsls r4, 1
-	ldr r0, _08059914 @ =gPlttBufferUnfaded
-	adds r0, r4, r0
-	adds r1, r5, 0
-	bl TintPalette_SepiaTone
-	b _0805992C
-	.align 2, 0
-_08059914: .4byte gPlttBufferUnfaded
-_08059918:
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl sub_8111F38
-	lsls r4, 1
-	ldr r0, _08059940 @ =gPlttBufferUnfaded
-	adds r0, r4, r0
-	adds r1, r5, 0
-	bl TintPalette_GrayScale
-_0805992C:
-	ldr r0, _08059940 @ =gPlttBufferUnfaded
-	adds r0, r4, r0
-	ldr r1, _08059944 @ =gPlttBufferFaded
-	adds r1, r4, r1
-	adds r2, r5, 0
-	bl CpuSet
-_0805993A:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_08059940: .4byte gPlttBufferUnfaded
-_08059944: .4byte gPlttBufferFaded
-	thumb_func_end sub_80598CC
-
 	thumb_func_start sub_8059948
 sub_8059948: @ 8059948
 	push {r4-r6,lr}

asm/overworld.s

@@ -4690,7 +4690,7 @@ mli4_mapscripts_and_other: @ 805709C
 	adds r4, 0x2
 	mov r0, sp
 	adds r1, r4, 0
-	bl sav1_camera_get_focus_coords
+	bl GetCameraFocusCoords
 	bl sub_8055A6C
 	adds r5, r0, 0
 	mov r0, sp
@@ -4792,7 +4792,7 @@ sub_8057178: @ 8057178
 	adds r4, 0x2
 	mov r0, sp
 	adds r1, r4, 0
-	bl sav1_camera_get_focus_coords
+	bl GetCameraFocusCoords
 	mov r2, sp
 	ldr r0, _080571A4 @ =gUnknown_300502C
 	ldrb r1, [r0]
@@ -4801,7 +4801,7 @@ sub_8057178: @ 8057178
 	lsls r0, 16
 	lsrs r0, 16
 	ldrh r1, [r4]
-	bl sub_80597EC
+	bl SetCameraFocusCoords
 	add sp, 0x4
 	pop {r4}
 	pop {r0}
@@ -4820,7 +4820,7 @@ sub_80571A8: @ 80571A8
 	adds r4, 0x2
 	mov r0, sp
 	adds r1, r4, 0
-	bl sav1_camera_get_focus_coords
+	bl GetCameraFocusCoords
 	mov r3, sp
 	mov r2, sp
 	ldr r0, _08057224 @ =gUnknown_300502C
@@ -6748,7 +6748,7 @@ _08058074:
 	ldr r1, [r4, 0x8]
 	str r0, [sp]
 	str r1, [sp, 0x4]
-	ldr r3, _080580E4 @ =gUnknown_826D2D8
+	ldr r3, _080580E4 @ =gDirectionToVectors
 	ldrb r0, [r4, 0x3]
 	lsls r0, 3
 	adds r0, r3
@@ -6801,7 +6801,7 @@ _080580E0:
 	ldr r0, _080580F8 @ =gUnknown_81BB9A3
 	b _08058122
 	.align 2, 0
-_080580E4: .4byte gUnknown_826D2D8
+_080580E4: .4byte gDirectionToVectors
 _080580E8: .4byte 0xffff0000
 _080580EC: .4byte 0x0000ffff
 _080580F0: .4byte 0xffffff00

data/data.s

@@ -908,7 +908,7 @@ gUnknown_826D29E:: @ 826D29E
 gUnknown_826D2B0:: @ 826D2B0
 	.incbin "baserom.gba", 0x26D2B0, 0x28
 
-gUnknown_826D2D8:: @ 826D2D8
+gDirectionToVectors:: @ 826D2D8
 	.incbin "baserom.gba", 0x26D2D8, 0x48
 
 gUnknown_826D320:: @ 826D320

include/fieldmap.h

@@ -23,7 +23,7 @@ void MapGridSetMetatileEntryAt(int, int, u16);
 void GetCameraCoords(u16*, u16*);
 bool8 MapGridIsImpassableAt(s32, s32);
 s32 GetMapBorderIdAt(s32, s32);
-bool32 CanCameraMoveInDirection(u8);
+bool32 CanCameraMoveInDirection(s32);
 u32 GetBehaviorByMetatileIdAndMapData(struct MapData *mapData, u16 metatile, u8 attr);
 
 #endif //GUARD_FIELDMAP_H

include/menu.h

@@ -37,5 +37,6 @@ void clear_scheduled_bg_copies_to_vram(void);
 void AddTextPrinterParametrized2(u8 windowId, u8 fontId, u8 x, u8 y, u8 letterSpacing, u8 lineSpacing, const struct TextColor *color, s8 speed, const u8 *str);
 void sub_8197B1C(u8 windowId, bool8 copyToVram, u16 a2, u16 a3);
 void sub_810F4D8(u8 windowId, bool32 someBool);
+void *sub_80F68F0(u8 bgId, const void *src, u32 size, u16 offset, u8 mode);
 
 #endif // GUARD_MENU_H

include/new_menu_helpers.h

@@ -22,5 +22,6 @@ void sub_80F6EE4(u8 windowId, bool8 transfer);
 void sub_80F7974(const u8 *);
 u8 GetStartMenuWindowId(void);
 void sub_80F7998(void);
+void sub_80F69E8(u8 bgId, const void *src, u32 size, u16 offset, u8 mode);
 
 #endif // GUARD_NEW_MENU_HELPERS_H

include/overworld.h

@@ -24,6 +24,8 @@ struct UCoords32
     u32 x, y;
 };
 
+extern struct UCoords32 gDirectionToVectors[];
+
 extern struct LinkPlayerMapObject gLinkPlayerMapObjects[4];
 extern MainCallback gFieldCallback;
 
@@ -96,5 +98,6 @@ extern u8 gUnknown_2036E28;
 
 extern bool8 (* gUnknown_3005024)(void);
 void SetLastHealLocationWarp(u8 healLocaionId);
+void sub_8055864(u8 mapGroup, u8 mapNum);
 
 #endif //GUARD_ROM4_H

include/palette.h

@@ -70,6 +70,8 @@ void BeginHardwarePaletteFade(u8, u8, u8, u8, u8);
 void BlendPalettes(u32, u8, u16);
 void BlendPalettesUnfaded(u32, u8, u16);
 void sub_80716F8(const u16 *, u16 *, u16, u8);
+void TintPalette_GrayScale(u16 *, u16);
+void TintPalette_SepiaTone(u16 *, u16);
 
 extern struct PaletteFadeControl gPaletteFade;
 

include/quest_log.h

@@ -24,6 +24,7 @@ void sub_8113550(u16, const u16 *);
 void sub_8115748(u16);
 u8 sub_8112CAC(void);
 bool8 sub_81119D4(void (*func)(void));
+void sub_8111F38(u16, u16);
 
 extern u8 gUnknown_203ADFA;
 

src/fieldmap.c

@@ -1,6 +1,11 @@
 #include "global.h"
+#include "bg.h"
+#include "palette.h"
 #include "overworld.h"
 #include "script.h"
+#include "menu.h"
+#include "new_menu_helpers.h"
+#include "quest_log.h"
 #include "fieldmap.h"
 
 struct ConnectionFlags
@@ -19,6 +24,9 @@ void fillNorthConnection(struct MapHeader const *mapHeader, struct MapHeader con
 void fillWestConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
 void fillEastConnection(struct MapHeader const *mapHeader, struct MapHeader const *connectedMapHeader, s32 offset);
 void LoadSavedMapView(void);
+struct MapConnection *sub_8059600(u8 direction, s32 x, s32 y);
+bool8 sub_8059658(u8 direction, s32 x, s32 y, struct MapConnection *connection);
+bool8 sub_80596BC(s32 x, s32 src_width, s32 dest_width, s32 offset);
 
 struct BackupMapData VMap;
 EWRAM_DATA u16 gBackupMapData[VIRTUAL_MAP_SIZE] = {};
@@ -395,7 +403,9 @@ union Block
     block;                                                             \
 })
 
-#define MapGridGetTileAt(x, y) ((x >= 0 && x < VMap.Xsize && y >= 0 && y < VMap.Ysize) ? VMap.map[x + VMap.Xsize * y] : MapGridGetBorderTileAt2(x, y))
+#define AreCoordsWithinMapGridBounds(x, y) (x >= 0 && x < VMap.Xsize && y >= 0 && y < VMap.Ysize)
+
+#define MapGridGetTileAt(x, y) (AreCoordsWithinMapGridBounds(x, y) ? VMap.map[x + VMap.Xsize * y] : MapGridGetBorderTileAt2(x, y))
 
 u8 MapGridGetZCoordAt(s32 x, s32 y)
 {
@@ -679,3 +689,246 @@ s32 GetMapBorderIdAt(s32 x, s32 y)
 
     return 0;
 }
+
+s32 GetPostCameraMoveMapBorderId(s32 x, s32 y)
+{
+    return GetMapBorderIdAt(7 + gSaveBlock1Ptr->pos.x + x, 7 + gSaveBlock1Ptr->pos.y + y);
+}
+
+bool32 CanCameraMoveInDirection(s32 direction)
+{
+    s32 x, y;
+    
+    x = gSaveBlock1Ptr->pos.x + 7 + gDirectionToVectors[direction].x;
+    y = gSaveBlock1Ptr->pos.y + 7 + gDirectionToVectors[direction].y;
+    if (GetMapBorderIdAt(x, y) == -1)
+    {
+        return FALSE;
+    }
+    return TRUE;
+}
+
+void sub_80594AC(struct MapConnection *connection, int direction, s32 x, s32 y)
+{
+    struct MapHeader const *mapHeader;
+    mapHeader = mapconnection_get_mapheader(connection);
+    switch (direction)
+    {
+        case CONNECTION_EAST:
+            gSaveBlock1Ptr->pos.x = -x;
+            gSaveBlock1Ptr->pos.y -= connection->offset;
+            break;
+        case CONNECTION_WEST:
+            gSaveBlock1Ptr->pos.x = mapHeader->mapData->width;
+            gSaveBlock1Ptr->pos.y -= connection->offset;
+            break;
+        case CONNECTION_SOUTH:
+            gSaveBlock1Ptr->pos.x -= connection->offset;
+            gSaveBlock1Ptr->pos.y = -y;
+            break;
+        case CONNECTION_NORTH:
+            gSaveBlock1Ptr->pos.x -= connection->offset;
+            gSaveBlock1Ptr->pos.y = mapHeader->mapData->height;
+            break;
+    }
+}
+
+bool8 CameraMove(s32 x, s32 y)
+{
+    u32 direction;
+    struct MapConnection *connection;
+    s32 old_x, old_y;
+    gCamera.active = FALSE;
+    direction = GetPostCameraMoveMapBorderId(x, y);
+    if (direction + 1 <= 1)
+    {
+        gSaveBlock1Ptr->pos.x += x;
+        gSaveBlock1Ptr->pos.y += y;
+    }
+    else
+    {
+        save_serialize_map();
+        old_x = gSaveBlock1Ptr->pos.x;
+        old_y = gSaveBlock1Ptr->pos.y;
+        connection = sub_8059600(direction, gSaveBlock1Ptr->pos.x, gSaveBlock1Ptr->pos.y);
+        sub_80594AC(connection, direction, x, y);
+        sub_8055864(connection->mapGroup, connection->mapNum);
+        gCamera.active = TRUE;
+        gCamera.x = old_x - gSaveBlock1Ptr->pos.x;
+        gCamera.y = old_y - gSaveBlock1Ptr->pos.y;
+        gSaveBlock1Ptr->pos.x += x;
+        gSaveBlock1Ptr->pos.y += y;
+        sub_8059250(direction);
+    }
+    return gCamera.active;
+}
+
+struct MapConnection *sub_8059600(u8 direction, s32 x, s32 y)
+{
+    s32 count;
+    struct MapConnection *connection;
+    s32 i;
+    count = gMapHeader.connections->count;
+    connection = gMapHeader.connections->connections;
+    for (i = 0; i < count; i++, connection++)
+    {
+        if (connection->direction == direction && sub_8059658(direction, x, y, connection) == TRUE)
+            return connection;
+    }
+    return NULL;
+
+}
+
+bool8 sub_8059658(u8 direction, s32 x, s32 y, struct MapConnection *connection)
+{
+    struct MapHeader const *mapHeader;
+    mapHeader = mapconnection_get_mapheader(connection);
+    switch (direction)
+    {
+        case CONNECTION_SOUTH:
+        case CONNECTION_NORTH:
+            return sub_80596BC(x, gMapHeader.mapData->width, mapHeader->mapData->width, connection->offset);
+        case CONNECTION_WEST:
+        case CONNECTION_EAST:
+            return sub_80596BC(y, gMapHeader.mapData->height, mapHeader->mapData->height, connection->offset);
+    }
+    return FALSE;
+}
+
+bool8 sub_80596BC(s32 x, s32 src_width, s32 dest_width, s32 offset)
+{
+    s32 offset2 = max(offset, 0);
+
+    if (dest_width + offset < src_width)
+        src_width = dest_width + offset;
+
+    if (offset2 <= x && x <= src_width)
+        return TRUE;
+
+    return FALSE;
+}
+
+bool32 sub_80596E8(s32 x, s32 width)
+{
+    if (x >= 0 && x < width)
+        return TRUE;
+
+    return FALSE;
+}
+
+s32 sub_80596FC(struct MapConnection *connection, s32 x, s32 y)
+{
+    struct MapHeader const *mapHeader;
+    mapHeader = mapconnection_get_mapheader(connection);
+    switch (connection->direction)
+    {
+        case CONNECTION_SOUTH:
+        case CONNECTION_NORTH:
+            return sub_80596E8(x - connection->offset, mapHeader->mapData->width);
+        case CONNECTION_WEST:
+        case CONNECTION_EAST:
+            return sub_80596E8(y - connection->offset, mapHeader->mapData->height);
+    }
+    return FALSE;
+}
+
+struct MapConnection *sub_805973C(s16 x, s16 y)
+{
+    s32 count;
+    struct MapConnection *connection;
+    s32 i;
+    u8 direction;
+    if (!gMapHeader.connections)
+    {
+        return NULL;
+    }
+    else
+    {
+        count = gMapHeader.connections->count;
+        connection = gMapHeader.connections->connections;
+        for (i = 0; i < count; i++, connection++)
+        {
+            direction = connection->direction;
+            if ((direction == CONNECTION_DIVE || direction == CONNECTION_EMERGE)
+                || (direction == CONNECTION_NORTH && y > 6)
+                || (direction == CONNECTION_SOUTH && y < gMapHeader.mapData->height + 7)
+                || (direction == CONNECTION_WEST && x > 6)
+                || (direction == CONNECTION_EAST && x < gMapHeader.mapData->width + 7))
+            {
+                continue;
+            }
+            if (sub_80596FC(connection, x - 7, y - 7) == TRUE)
+            {
+                return connection;
+            }
+        }
+    }
+    return NULL;
+}
+
+void SetCameraFocusCoords(u16 x, u16 y)
+{
+    gSaveBlock1Ptr->pos.x = x - 7;
+    gSaveBlock1Ptr->pos.y = y - 7;
+}
+
+void GetCameraFocusCoords(u16 *x, u16 *y)
+{
+    *x = gSaveBlock1Ptr->pos.x + 7;
+    *y = gSaveBlock1Ptr->pos.y + 7;
+}
+
+void SetCameraCoords(u16 x, u16 y)
+{
+    gSaveBlock1Ptr->pos.x = x;
+    gSaveBlock1Ptr->pos.y = y;
+}
+
+void GetCameraCoords(u16 *x, u16 *y)
+{
+    *x = gSaveBlock1Ptr->pos.x;
+    *y = gSaveBlock1Ptr->pos.y;
+}
+void copy_tileset_patterns_to_vram(struct Tileset const *tileset, u16 numTiles, u16 offset)
+{
+    if (tileset)
+    {
+        if (!tileset->isCompressed)
+            LoadBgTiles(2, tileset->tiles, numTiles * 32, offset);
+        else
+            sub_80F68F0(2, tileset->tiles, numTiles * 32, offset, 0);
+    }
+}
+
+void copy_tileset_patterns_to_vram2(struct Tileset const *tileset, u16 numTiles, u16 offset)
+{
+    if (tileset)
+    {
+        if (!tileset->isCompressed)
+            LoadBgTiles(2, tileset->tiles, numTiles * 32, offset);
+        else
+            sub_80F69E8(2, tileset->tiles, numTiles * 32, offset, 0);
+    }
+}
+
+void sub_80598CC(u16 a0, u16 a1)
+{
+    switch (gUnknown_2036E28)
+    {
+        case 0:
+            return;
+        case 1:
+            TintPalette_GrayScale(gPlttBufferUnfaded + a0, a1);
+            break;
+        case 2:
+            TintPalette_SepiaTone(gPlttBufferUnfaded + a0, a1);
+            break;
+        case 3:
+            sub_8111F38(a0, a1);
+            TintPalette_GrayScale(gPlttBufferUnfaded + a0, a1);
+            break;
+        default:
+            return;
+    }
+    CpuCopy16(gPlttBufferUnfaded + a0, gPlttBufferFaded + a0, a1 * sizeof(u16));
+}

sym_ewram.txt

@@ -599,7 +599,7 @@ gBackupMapData: @ 2031DFC
 gMapHeader: @ 2036DFC
 	.space 0x1C
 
-gUnknown_2036E18: @ 2036E18
+gCamera: @ 2036E18
 	.space 0xC
 
 gMapConnectionFlags: @ 2036E24