diff --git a/asm/diploma.s b/asm/diploma.s
deleted file mode 100644
index 4f21fe39d..000000000
--- a/asm/diploma.s
+++ /dev/null
@@ -1,387 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_8177874
-sub_8177874: @ 8177874
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8177874
-
-	thumb_func_start sub_8177888
-sub_8177888: @ 8177888
-	push {r4,r5,lr}
-	sub sp, 0xC
-	movs r0, 0
-	bl SetVBlankCallback
-	movs r0, 0
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0xE
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0xC
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0xA
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x8
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x1C
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x1E
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x18
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x1A
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x14
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x16
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x10
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x12
-	movs r1, 0
-	bl SetGpuReg
-	add r1, sp, 0x4
-	movs r0, 0
-	strh r0, [r1]
-	ldr r1, =0x040000d4
-	add r0, sp, 0x4
-	str r0, [r1]
-	movs r0, 0xC0
-	lsls r0, 19
-	str r0, [r1, 0x4]
-	ldr r0, =0x8100c000
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	movs r5, 0
-	str r5, [sp, 0x8]
-	add r0, sp, 0x8
-	str r0, [r1]
-	movs r0, 0xE0
-	lsls r0, 19
-	str r0, [r1, 0x4]
-	ldr r0, =0x85000100
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	add r0, sp, 0x4
-	strh r5, [r0]
-	str r0, [r1]
-	movs r0, 0xA0
-	lsls r0, 19
-	str r0, [r1, 0x4]
-	ldr r0, =0x81000200
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	bl remove_some_task
-	bl ResetTasks
-	bl ResetSpriteData
-	bl ResetPaletteFade
-	bl FreeAllSpritePalettes
-	ldr r0, =gUnknown_085E7088
-	movs r1, 0
-	movs r2, 0x40
-	bl LoadPalette
-	ldr r4, =gUnknown_0203BCF0
-	movs r0, 0x80
-	lsls r0, 5
-	bl Alloc
-	str r0, [r4]
-	bl sub_8177B44
-	bl sub_8177B9C
-	bl reset_temp_tile_data_buffers
-	ldr r1, =gUnknown_085E7804
-	str r5, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-_0817797C:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	lsrs r5, r0, 24
-	cmp r5, 0
-	bne _0817797C
-	ldr r0, =gUnknown_085E70C8
-	ldr r1, =gUnknown_0203BCF0
-	ldr r1, [r1]
-	bl LZDecompressWram
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	bl pokedex_diploma_something
-	movs r4, 0x1
-	negs r4, r4
-	adds r0, r4, 0
-	movs r1, 0x10
-	movs r2, 0
-	bl BlendPalettes
-	str r5, [sp]
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	movs r0, 0x1
-	bl EnableInterrupts
-	ldr r0, =sub_8177874
-	bl SetVBlankCallback
-	ldr r0, =sub_8177A08
-	bl SetMainCallback2
-	ldr r0, =sub_8177A20
-	movs r1, 0
-	bl CreateTask
-	add sp, 0xC
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177888
-
-	thumb_func_start sub_8177A08
-sub_8177A08: @ 8177A08
-	push {lr}
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	thumb_func_end sub_8177A08
-
-	thumb_func_start sub_8177A20
-sub_8177A20: @ 8177A20
-	push {lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08177A40
-	ldr r0, =gTasks
-	lsls r1, r2, 2
-	adds r1, r2
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, =sub_8177A50
-	str r0, [r1]
-_08177A40:
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177A20
-
-	thumb_func_start sub_8177A50
-sub_8177A50: @ 8177A50
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, =gMain
-	ldrh r1, [r0, 0x2E]
-	movs r0, 0x3
-	ands r0, r1
-	cmp r0, 0
-	beq _08177A82
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	ldr r1, =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, =sub_8177A98
-	str r1, [r0]
-_08177A82:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177A50
-
-	thumb_func_start sub_8177A98
-sub_8177A98: @ 8177A98
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _08177AC2
-	ldr r0, =gUnknown_0203BCF0
-	ldr r0, [r0]
-	bl Free
-	bl FreeAllWindowBuffers
-	adds r0, r4, 0
-	bl DestroyTask
-	ldr r0, =sub_80861E8
-	bl SetMainCallback2
-_08177AC2:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177A98
-
-	thumb_func_start pokedex_diploma_something
-pokedex_diploma_something: @ 8177AD4
-	push {r4,lr}
-	bl sub_80C0944
-	lsls r0, 16
-	cmp r0, 0
-	beq _08177AFC
-	movs r1, 0x80
-	lsls r1, 1
-	movs r0, 0x14
-	bl SetGpuReg
-	ldr r0, =gStringVar1
-	ldr r1, =gText_DexNational
-	bl StringCopy
-	b _08177B0C
-	.pool
-_08177AFC:
-	movs r0, 0x14
-	movs r1, 0
-	bl SetGpuReg
-	ldr r0, =gStringVar1
-	ldr r1, =gText_DexHoenn
-	bl StringCopy
-_08177B0C:
-	ldr r4, =gStringVar4
-	ldr r1, =gText_PokedexDiploma
-	adds r0, r4, 0
-	bl StringExpandPlaceholders
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x1
-	bl sub_8177BCC
-	movs r0, 0
-	bl PutWindowTilemap
-	movs r0, 0
-	movs r1, 0x3
-	bl CopyWindowToVram
-	pop {r4}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end pokedex_diploma_something
-
-	thumb_func_start sub_8177B44
-sub_8177B44: @ 8177B44
-	push {lr}
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, =gUnknown_085E81FC
-	movs r0, 0
-	movs r2, 0x2
-	bl InitBgsFromTemplates
-	ldr r0, =gUnknown_0203BCF0
-	ldr r1, [r0]
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	movs r1, 0x82
-	lsls r1, 5
-	movs r0, 0
-	bl SetGpuReg
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x50
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x52
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x54
-	movs r1, 0
-	bl SetGpuReg
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177B44
-
-	thumb_func_start sub_8177B9C
-sub_8177B9C: @ 8177B9C
-	push {lr}
-	ldr r0, =gUnknown_085E8204
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	ldr r0, =gUnknown_0860F074
-	movs r1, 0xF0
-	movs r2, 0x20
-	bl LoadPalette
-	movs r0, 0
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	movs r0, 0
-	bl PutWindowTilemap
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177B9C
-
-	thumb_func_start sub_8177BCC
-sub_8177BCC: @ 8177BCC
-	push {r4-r6,lr}
-	sub sp, 0x18
-	adds r6, r0, 0
-	adds r4, r1, 0
-	adds r5, r2, 0
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r5, 24
-	lsrs r5, 24
-	ldr r1, =gUnknown_085E8214
-	add r0, sp, 0x14
-	movs r2, 0x3
-	bl memcpy
-	movs r0, 0
-	str r0, [sp]
-	str r0, [sp, 0x4]
-	add r0, sp, 0x14
-	str r0, [sp, 0x8]
-	movs r0, 0x1
-	negs r0, r0
-	str r0, [sp, 0xC]
-	str r6, [sp, 0x10]
-	movs r0, 0
-	movs r1, 0x1
-	adds r2, r4, 0
-	adds r3, r5, 0
-	bl AddTextPrinterParametrized2
-	add sp, 0x18
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8177BCC
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/asm/rom4.s b/asm/rom4.s
index 8423d0d9a..0a624620d 100644
--- a/asm/rom4.s
+++ b/asm/rom4.s
@@ -1375,7 +1375,7 @@ _080850C8:
 	bl warp_shift
 	bl set_current_map_header_from_sav1_save_old_name
 	bl CopyFieldObjectTemplatesToSav1
-	bl sav2_set_x9_depending_on_sav1_map
+	bl TrySetMapSaveWarpStatus
 	bl ClearTempFieldEventData
 	bl wild_pokemon_reroll
 	bl prev_quest_postbuffer_cursor_backup_reset
@@ -1463,7 +1463,7 @@ _080851A2:
 	lsls r0, 24
 	lsrs r6, r0, 24
 	bl sub_80EB218
-	bl sav2_set_x9_depending_on_sav1_map
+	bl TrySetMapSaveWarpStatus
 	bl ClearTempFieldEventData
 	bl wild_pokemon_reroll
 	bl prev_quest_postbuffer_cursor_backup_reset
diff --git a/asm/rom6.s b/asm/rom6.s
index 0b35ab0e8..2ed9d888e 100644
--- a/asm/rom6.s
+++ b/asm/rom6.s
@@ -4705,7 +4705,7 @@ _08137CAC:
 	thumb_func_start sub_8137CB4
 sub_8137CB4: @ 8137CB4
 	push {lr}
-	ldr r0, =sub_8177888
+	ldr r0, =CB2_ShowDiploma
 	bl SetMainCallback2
 	bl ScriptContext2_Enable
 	pop {r0}
diff --git a/asm/save_location.s b/asm/save_location.s
deleted file mode 100755
index 1a5b3c6da..000000000
--- a/asm/save_location.s
+++ /dev/null
@@ -1,205 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sav1_are_mapnumbers_in_given_list
-sav1_are_mapnumbers_in_given_list: @ 81AFC84
-	push {r4,lr}
-	adds r2, r0, 0
-	ldr r0, =gSaveBlock1Ptr
-	ldr r0, [r0]
-	movs r1, 0x4
-	ldrsb r1, [r0, r1]
-	lsls r1, 8
-	ldrb r0, [r0, 0x5]
-	lsls r0, 24
-	asrs r0, 24
-	adds r0, r1
-	lsls r0, 16
-	lsrs r3, r0, 16
-	ldrh r0, [r2]
-	ldr r1, =0x0000ffff
-	cmp r0, r1
-	beq _081AFCC4
-	adds r4, r1, 0
-	adds r1, r2, 0
-_081AFCAA:
-	ldrh r0, [r1]
-	cmp r0, r3
-	bne _081AFCBC
-	movs r0, 0x1
-	b _081AFCC6
-	.pool
-_081AFCBC:
-	adds r1, 0x2
-	ldrh r0, [r1]
-	cmp r0, r4
-	bne _081AFCAA
-_081AFCC4:
-	movs r0, 0
-_081AFCC6:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sav1_are_mapnumbers_in_given_list
-
-	thumb_func_start sav1_is_in_pokecenter
-sav1_is_in_pokecenter: @ 81AFCCC
-	push {lr}
-	ldr r0, =gUnknown_086143BC
-	bl sav1_are_mapnumbers_in_given_list
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sav1_is_in_pokecenter
-
-	thumb_func_start sub_81AFCDC
-sub_81AFCDC: @ 81AFCDC
-	push {lr}
-	ldr r0, =gUnknown_0861440A
-	bl sav1_are_mapnumbers_in_given_list
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_81AFCDC
-
-	thumb_func_start sub_81AFCEC
-sub_81AFCEC: @ 81AFCEC
-	push {lr}
-	ldr r0, =gUnknown_0861440E
-	bl sav1_are_mapnumbers_in_given_list
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_81AFCEC
-
-	thumb_func_start sav2_set_x9_bit3_when_sav1_in_pokecenter
-sav2_set_x9_bit3_when_sav1_in_pokecenter: @ 81AFCFC
-	push {lr}
-	bl sav1_is_in_pokecenter
-	cmp r0, 0
-	bne _081AFD18
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0xFD
-	ands r0, r1
-	b _081AFD22
-	.pool
-_081AFD18:
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0x2
-	orrs r0, r1
-_081AFD22:
-	strb r0, [r2, 0x9]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sav2_set_x9_bit3_when_sav1_in_pokecenter
-
-	thumb_func_start sub_81AFD2C
-sub_81AFD2C: @ 81AFD2C
-	push {lr}
-	bl sub_81AFCDC
-	cmp r0, 0
-	bne _081AFD48
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0xFB
-	ands r0, r1
-	b _081AFD52
-	.pool
-_081AFD48:
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0x4
-	orrs r0, r1
-_081AFD52:
-	strb r0, [r2, 0x9]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_81AFD2C
-
-	thumb_func_start sub_81AFD5C
-sub_81AFD5C: @ 81AFD5C
-	push {lr}
-	bl sub_81AFCEC
-	cmp r0, 0
-	bne _081AFD78
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0xF7
-	ands r0, r1
-	b _081AFD82
-	.pool
-_081AFD78:
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0x8
-	orrs r0, r1
-_081AFD82:
-	strb r0, [r2, 0x9]
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_81AFD5C
-
-	thumb_func_start sav2_set_x9_depending_on_sav1_map
-sav2_set_x9_depending_on_sav1_map: @ 81AFD8C
-	push {lr}
-	bl sav2_set_x9_bit3_when_sav1_in_pokecenter
-	bl sub_81AFD2C
-	bl sub_81AFD5C
-	pop {r0}
-	bx r0
-	thumb_func_end sav2_set_x9_depending_on_sav1_map
-
-	thumb_func_start sub_81AFDA0
-sub_81AFDA0: @ 81AFDA0
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	adds r2, 0xA8
-	ldr r0, [r2]
-	movs r1, 0x80
-	lsls r1, 8
-	orrs r0, r1
-	movs r1, 0x1
-	orrs r0, r1
-	movs r1, 0x2
-	orrs r0, r1
-	movs r1, 0x4
-	orrs r0, r1
-	movs r1, 0x10
-	orrs r0, r1
-	movs r1, 0x20
-	orrs r0, r1
-	movs r1, 0x8
-	orrs r0, r1
-	str r0, [r2]
-	bx lr
-	.pool
-	thumb_func_end sub_81AFDA0
-
-	thumb_func_start sub_81AFDD0
-sub_81AFDD0: @ 81AFDD0
-	ldr r0, =gSaveBlock2Ptr
-	ldr r2, [r0]
-	ldrb r1, [r2, 0x9]
-	movs r0, 0x80
-	orrs r0, r1
-	strb r0, [r2, 0x9]
-	bx lr
-	.pool
-	thumb_func_end sub_81AFDD0
-
-	.align 2, 0 @ Don't pad with nop.
diff --git a/data/diploma.s b/data/diploma.s
deleted file mode 100644
index 43a3d9c70..000000000
--- a/data/diploma.s
+++ /dev/null
@@ -1,22 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-
-gUnknown_085E7088:: @ 85E7088
-	.incbin "baserom.gba", 0x5e7088, 0x40
-
-gUnknown_085E70C8:: @ 85E70C8
-	.incbin "baserom.gba", 0x5e70c8, 0x73c
-
-gUnknown_085E7804:: @ 85E7804
-	.incbin "baserom.gba", 0x5e7804, 0x9f8
-
-gUnknown_085E81FC:: @ 85E81FC
-	.incbin "baserom.gba", 0x5e81fc, 0x8
-
-gUnknown_085E8204:: @ 85E8204
-	.incbin "baserom.gba", 0x5e8204, 0x10
-
-gUnknown_085E8214:: @ 85E8214
-	.incbin "baserom.gba", 0x5e8214, 0x4
diff --git a/data/save_location.s b/data/save_location.s
deleted file mode 100644
index eabed7d86..000000000
--- a/data/save_location.s
+++ /dev/null
@@ -1,13 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.section .rodata
-
-gUnknown_086143BC:: @ 86143BC
-	.incbin "baserom.gba", 0x6143bc, 0x4e
-
-gUnknown_0861440A:: @ 861440A
-	.incbin "baserom.gba", 0x61440a, 0x4
-
-gUnknown_0861440E:: @ 861440E
-	.incbin "baserom.gba", 0x61440e, 0x2
diff --git a/graphics/misc/diploma.png b/graphics/misc/diploma.png
new file mode 100755
index 000000000..d9607dce6
Binary files /dev/null and b/graphics/misc/diploma.png differ
diff --git a/graphics/misc/diploma_hoenn.pal b/graphics/misc/diploma_hoenn.pal
new file mode 100755
index 000000000..2890eb24a
--- /dev/null
+++ b/graphics/misc/diploma_hoenn.pal
@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+24 41 82
+255 255 222
+246 238 230
+205 230 139
+172 222 49
+238 238 222
+222 230 230
+255 222 197
+222 222 189
+246 246 180
+238 230 180
+213 213 156
+230 230 139
+255 255 123
+238 238 106
+255 205 172
diff --git a/graphics/misc/diploma_map.bin b/graphics/misc/diploma_map.bin
new file mode 100755
index 000000000..e9a47fa44
Binary files /dev/null and b/graphics/misc/diploma_map.bin differ
diff --git a/graphics/misc/diploma_national.pal b/graphics/misc/diploma_national.pal
new file mode 100755
index 000000000..03c37bf22
--- /dev/null
+++ b/graphics/misc/diploma_national.pal
@@ -0,0 +1,19 @@
+JASC-PAL
+0100
+16
+24 41 82
+255 255 222
+255 255 189
+230 238 90
+213 222 0
+238 238 222
+222 230 230
+255 222 197
+222 222 189
+246 246 180
+238 230 180
+213 213 156
+230 230 139
+255 255 123
+238 238 106
+255 205 172
diff --git a/ld_script.txt b/ld_script.txt
index 12815bcd5..bfd72e8b6 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -218,7 +218,7 @@ SECTIONS {
         asm/hall_of_fame.o(.text);
         asm/credits.o(.text);
         src/lottery_corner.o(.text);
-        asm/diploma.o(.text);
+        src/diploma.o(.text);
         asm/berry_tag_screen.o(.text);
         asm/mystery_event_menu.o(.text);
         src/save_failed_screen.o(.text);
@@ -244,7 +244,7 @@ SECTIONS {
         asm/list_menu.o(.text);
         asm/menu_indicators.o(.text);
         asm/unk_text_util.o(.text);
-        asm/save_location.o(.text);
+        src/save_location.o(.text);
         asm/item_icon.o(.text);
         asm/party_menu.o(.text);
         asm/battle_tent.o(.text);
@@ -430,7 +430,7 @@ SECTIONS {
         data/hall_of_fame.o(.rodata);
         data/credits.o(.rodata);
         src/lottery_corner.o(.rodata);
-        data/diploma.o(.rodata);
+        src/diploma.o(.rodata);
         data/strings.o(.rodata);
         data/berry_tag_screen.o(.rodata);
         data/mystery_event_menu.o(.rodata);
@@ -451,7 +451,7 @@ SECTIONS {
         data/battle_frontier_2.o(.rodata);
         data/item_menu.o(.rodata);
         data/menu_indicators.o(.rodata);
-        data/save_location.o(.rodata);
+        src/save_location.o(.rodata);
         data/item_icon.o(.rodata);
         data/party_menu.o(.rodata);
         data/battle_tent.o(.rodata);
diff --git a/src/diploma.c b/src/diploma.c
new file mode 100755
index 000000000..f2cbcabb7
--- /dev/null
+++ b/src/diploma.c
@@ -0,0 +1,218 @@
+#include "global.h"
+#include "palette.h"
+#include "main.h"
+#include "gpu_regs.h"
+#include "unknown_task.h"
+#include "task.h"
+#include "malloc.h"
+#include "decompress.h"
+#include "bg.h"
+#include "window.h"
+#include "string_util.h"
+#include "text.h"
+
+extern void reset_temp_tile_data_buffers(void);
+extern int decompress_and_copy_tile_data_to_vram(u8 bg_id, void *src, int size, u16 offset, u8 mode);
+extern bool8 free_temp_tile_data_buffers_if_possible(void);
+extern void sub_80861E8(void); // rom4
+extern bool16 sub_80C0944(void);
+extern void AddTextPrinterParametrized2(u8 windowId, u8 fontId, u8 x, u8 y, u8 letterSpacing, u8 lineSpacing, struct TextColor *color, s8 speed, u8 *str);
+
+extern u16 gUnknown_0860F074[];
+
+extern u8 gText_DexNational[];
+extern u8 gText_DexHoenn[];
+extern u8 gText_PokedexDiploma[];
+
+static void MainCB2(void);
+static void Task_DiplomaFadeIn(u8);
+static void Task_DiplomaWaitForKeyPress(u8);
+static void Task_DiplomaFadeOut(u8);
+static void DisplayDiplomaText(void);
+static void InitDiplomaBg(void);
+static void InitDiplomaWindow(void);
+static void PrintDiplomaText(u8 *, u8, u8);
+
+EWRAM_DATA void **gDiplomaTilemapPtr = {NULL};
+
+static void VBlankCB(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+static const u16 gDiplomaPalettes[][16] =
+{
+    INCBIN_U16("graphics/misc/diploma_national.gbapal"),
+    INCBIN_U16("graphics/misc/diploma_hoenn.gbapal"),
+};
+
+static const u8 gDiplomaTilemap[] = INCBIN_U8("graphics/misc/diploma_map.bin.lz");
+static const u8 gDiplomaTiles[] = INCBIN_U8("graphics/misc/diploma.4bpp.lz");
+
+void CB2_ShowDiploma(void)
+{
+    SetVBlankCallback(NULL);
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG3CNT, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG2CNT, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG1CNT, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG0CNT, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG3HOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG3VOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG2HOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG2VOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG1HOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG1VOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG0HOFS, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BG0VOFS, DISPCNT_MODE_0);
+    // why doesn't this one use the dma manager either?
+    DmaFill16(3, 0, VRAM, VRAM_SIZE);
+    DmaFill32(3, 0, OAM, OAM_SIZE);
+    DmaFill16(3, 0, PLTT, PLTT_SIZE);
+    remove_some_task();
+    ResetTasks();
+    ResetSpriteData();
+    ResetPaletteFade();
+    FreeAllSpritePalettes();
+    LoadPalette(gDiplomaPalettes, 0, 64);
+    gDiplomaTilemapPtr = malloc(0x1000);
+    InitDiplomaBg();
+    InitDiplomaWindow();
+    reset_temp_tile_data_buffers();
+    decompress_and_copy_tile_data_to_vram(1, &gDiplomaTiles, 0, 0, 0);
+    while (free_temp_tile_data_buffers_if_possible())
+        ;
+    LZDecompressWram(&gDiplomaTilemap, gDiplomaTilemapPtr);
+    CopyBgTilemapBufferToVram(1);
+    DisplayDiplomaText();
+    BlendPalettes(-1, 16, 0);
+    BeginNormalPaletteFade(-1, 0, 16, 0, 0);
+    EnableInterrupts(1);
+    SetVBlankCallback(VBlankCB);
+    SetMainCallback2(MainCB2);
+    CreateTask(Task_DiplomaFadeIn, 0);
+}
+
+static void MainCB2(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+static void Task_DiplomaFadeIn(u8 taskId)
+{
+    if (!gPaletteFade.active)
+        gTasks[taskId].func = Task_DiplomaWaitForKeyPress;
+}
+
+static void Task_DiplomaWaitForKeyPress(u8 taskId)
+{
+    if (gMain.newKeys & (A_BUTTON | B_BUTTON))
+    {
+        BeginNormalPaletteFade(-1, 0, 0, 16, 0);
+        gTasks[taskId].func = Task_DiplomaFadeOut;
+    }
+}
+
+static void Task_DiplomaFadeOut(u8 taskId)
+{
+    if (!gPaletteFade.active)
+    {
+        Free(gDiplomaTilemapPtr);
+        FreeAllWindowBuffers();
+        DestroyTask(taskId);
+        SetMainCallback2(sub_80861E8);
+    }
+}
+
+static void DisplayDiplomaText(void)
+{
+    if (sub_80C0944())
+    {
+        SetGpuReg(REG_OFFSET_BG1HOFS, DISPCNT_BG0_ON);
+        StringCopy(gStringVar1, gText_DexNational);
+    }
+    else
+    {
+        SetGpuReg(REG_OFFSET_BG1HOFS, DISPCNT_MODE_0);
+        StringCopy(gStringVar1, gText_DexHoenn);
+    }
+    StringExpandPlaceholders(gStringVar4, gText_PokedexDiploma);
+    PrintDiplomaText(gStringVar4, 0, 1);
+    PutWindowTilemap(0);
+    CopyWindowToVram(0, 3);
+}
+
+static const struct BgTemplate gDiplomaBgTemplates[2] =
+{
+    {
+        .bg = 0,
+        .charBaseIndex = 1,
+        .mapBaseIndex = 31,
+        .screenSize = 0,
+        .paletteMode = 0,
+        .priority = 0,
+        .baseTile = 0,
+    },
+    {
+        .bg = 1,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 6,
+        .screenSize = 1,
+        .paletteMode = 0,
+        .priority = 1,
+        .baseTile = 0,
+    },
+};
+
+static void InitDiplomaBg(void)
+{
+    ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(0, gDiplomaBgTemplates, 2);
+    SetBgTilemapBuffer(1, gDiplomaTilemapPtr);
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+    ShowBg(0);
+    ShowBg(1);
+    SetGpuReg(REG_OFFSET_BLDCNT, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, DISPCNT_MODE_0);
+    SetGpuReg(REG_OFFSET_BLDY, DISPCNT_MODE_0);
+}
+
+static const struct WindowTemplate gDiplomaWinTemplates[2] =
+{
+    {
+        .priority = 0,
+        .tilemapLeft = 5,
+        .tilemapTop = 2,
+        .width = 20,
+        .height = 16,
+        .paletteNum = 15,
+        .baseBlock = 1,
+    },
+    DUMMY_WIN_TEMPLATE,
+};
+
+static void InitDiplomaWindow(void)
+{
+    InitWindows(gDiplomaWinTemplates);
+    DeactivateAllTextPrinters();
+    LoadPalette(gUnknown_0860F074, 0xF0, 0x20);
+    FillWindowPixelBuffer(0, 0);
+    PutWindowTilemap(0);
+}
+
+static void PrintDiplomaText(u8 *text, u8 var1, u8 var2)
+{
+    struct TextColor color =
+    {
+        .fgColor = 0,
+        .bgColor = 2,
+        .shadowColor = 3,
+    };
+
+    AddTextPrinterParametrized2(0, 1, var1, var2, 0, 0, &color, -1, text);
+}
diff --git a/src/save_failed_screen.c b/src/save_failed_screen.c
index 7a7c30388..3f49b89e6 100755
--- a/src/save_failed_screen.c
+++ b/src/save_failed_screen.c
@@ -13,7 +13,7 @@
 #define MSG_WIN_TOP 12
 #define CLOCK_WIN_TOP (MSG_WIN_TOP - 4)
 
-extern void AddTextPrinterParametrized2(u8 windowId, u8 fontId, u8 x, u8 y, u8 letterSpacing, u8 lineSpacing, struct TextColor *color, u8 speed, u8 *str);
+extern void AddTextPrinterParametrized2(u8 windowId, u8 fontId, u8 x, u8 y, u8 letterSpacing, u8 lineSpacing, struct TextColor *color, s8 speed, u8 *str);
 
 extern void (*gGameContinueCallback)(void);
 
diff --git a/src/save_location.c b/src/save_location.c
new file mode 100755
index 000000000..87067e14d
--- /dev/null
+++ b/src/save_location.c
@@ -0,0 +1,145 @@
+#include "global.h"
+#include "map_constants.h"
+
+// used to make the list defines a little less ugly.
+#define MAP(name) ((MAP_GROUP_##name << 8) + (MAP_ID_##name))
+
+// specialSaveWarp flags
+#define POKECENTER_SAVEWARP (1 << 1)
+#define LOBBY_SAVEWARP (1 << 2)
+#define UNK_SPECIAL_SAVE_WARP_FLAG_3 (1 << 3)
+
+static bool32 IsCurMapInLocationList(const u16 *list)
+{
+    u16 locSum = (gSaveBlock1Ptr->location.mapGroup << 8) + (gSaveBlock1Ptr->location.mapNum);
+
+    // im sure it was written a different way, but for the love of christ I cant figure out how to write it different where it still matches.
+    if (*list != 0xFFFF)
+    {
+        u16 termValue = 0xFFFF;
+        const u16 *localList;
+        for (localList = list; *localList != termValue; localList++)
+            if (*localList == locSum)
+                return TRUE;
+    }
+    return FALSE;
+}
+
+// TODO: Not require a packed u16 array for these lists
+static const u16 gSaveLocationPokeCenterList[] =
+{
+    MAP(OLDALE_TOWN_POKEMON_CENTER_1F),
+    MAP(OLDALE_TOWN_POKEMON_CENTER_2F),
+    MAP(DEWFORD_TOWN_POKEMON_CENTER_1F),
+    MAP(DEWFORD_TOWN_POKEMON_CENTER_2F),
+    MAP(LAVARIDGE_TOWN_POKEMON_CENTER_1F),
+    MAP(LAVARIDGE_TOWN_POKEMON_CENTER_2F),
+    MAP(FALLARBOR_TOWN_POKEMON_CENTER_1F),
+    MAP(FALLARBOR_TOWN_POKEMON_CENTER_2F),
+    MAP(VERDANTURF_TOWN_POKEMON_CENTER_1F),
+    MAP(VERDANTURF_TOWN_POKEMON_CENTER_2F),
+    MAP(PACIFIDLOG_TOWN_POKEMON_CENTER_1F),
+    MAP(PACIFIDLOG_TOWN_POKEMON_CENTER_2F),
+    MAP(PETALBURG_CITY_POKEMON_CENTER_1F),
+    MAP(PETALBURG_CITY_POKEMON_CENTER_2F),
+    MAP(SLATEPORT_CITY_POKEMON_CENTER_1F),
+    MAP(SLATEPORT_CITY_POKEMON_CENTER_2F),
+    MAP(MAUVILLE_CITY_POKEMON_CENTER_1F),
+    MAP(MAUVILLE_CITY_POKEMON_CENTER_2F),
+    MAP(RUSTBORO_CITY_POKEMON_CENTER_1F),
+    MAP(RUSTBORO_CITY_POKEMON_CENTER_2F),
+    MAP(FORTREE_CITY_POKEMON_CENTER_1F),
+    MAP(FORTREE_CITY_POKEMON_CENTER_2F),
+    MAP(LILYCOVE_CITY_POKEMON_CENTER_1F),
+    MAP(LILYCOVE_CITY_POKEMON_CENTER_2F),
+    MAP(MOSSDEEP_CITY_POKEMON_CENTER_1F),
+    MAP(MOSSDEEP_CITY_POKEMON_CENTER_2F),
+    MAP(SOOTOPOLIS_CITY_POKEMON_CENTER_1F),
+    MAP(SOOTOPOLIS_CITY_POKEMON_CENTER_2F),
+    MAP(EVER_GRANDE_CITY_POKEMON_CENTER_1F),
+    MAP(EVER_GRANDE_CITY_POKEMON_CENTER_2F),
+    MAP(EVER_GRANDE_CITY_POKEMON_LEAGUE_1F),
+    MAP(EVER_GRANDE_CITY_POKEMON_LEAGUE_2F),
+    MAP(BATTLE_FRONTIER_POKEMON_CENTER_1F),
+    MAP(BATTLE_FRONTIER_POKEMON_CENTER_2F),
+    MAP(SINGLE_BATTLE_COLOSSEUM),
+    MAP(TRADE_CENTER),
+    MAP(RECORD_CORNER),
+    MAP(DOUBLE_BATTLE_COLOSSEUM),
+    0xFFFF,
+};
+
+static bool32 IsCurMapPokeCenter(void)
+{
+    return IsCurMapInLocationList(gSaveLocationPokeCenterList);
+}
+
+static const u16 gSaveLocationReloadLocList[] = // there's only 1 location, and it's presumed its for the save reload feature for battle tower
+{
+    MAP(BATTLE_TOWER_LOBBY),
+    0xFFFF,
+};
+
+static bool32 IsCurMapReloadLocation(void)
+{
+    return IsCurMapInLocationList(gSaveLocationReloadLocList);
+}
+
+// nulled out list. unknown what this would have been
+static const u16 gUnknown_0861440E[] =
+{
+    0xFFFF,
+};
+
+bool32 sub_81AFCEC(void)
+{
+    return IsCurMapInLocationList(gUnknown_0861440E);
+}
+
+static void TrySetPokeCenterWarpStatus(void)
+{
+    if (IsCurMapPokeCenter() == FALSE)
+        gSaveBlock2Ptr->specialSaveWarp &= ~(POKECENTER_SAVEWARP);
+    else
+        gSaveBlock2Ptr->specialSaveWarp |= POKECENTER_SAVEWARP;
+}
+
+static void TrySetReloadWarpStatus(void)
+{
+    if (!IsCurMapReloadLocation())
+        gSaveBlock2Ptr->specialSaveWarp &= ~(LOBBY_SAVEWARP);
+    else
+        gSaveBlock2Ptr->specialSaveWarp |= LOBBY_SAVEWARP;
+}
+
+// this function definitely sets a warp status, but because the list is empty, it's unknown what this does yet.
+static void sub_81AFD5C(void)
+{
+    if (!sub_81AFCEC())
+        gSaveBlock2Ptr->specialSaveWarp &= ~(UNK_SPECIAL_SAVE_WARP_FLAG_3);
+    else
+        gSaveBlock2Ptr->specialSaveWarp |= UNK_SPECIAL_SAVE_WARP_FLAG_3;
+}
+
+void TrySetMapSaveWarpStatus(void)
+{
+    TrySetPokeCenterWarpStatus();
+    TrySetReloadWarpStatus();
+    sub_81AFD5C();
+}
+
+void sub_81AFDA0(void)
+{
+    gSaveBlock2Ptr->field_A8 |= 0x8000;
+    gSaveBlock2Ptr->field_A8 |= 0x1;
+    gSaveBlock2Ptr->field_A8 |= 0x2;
+    gSaveBlock2Ptr->field_A8 |= 0x4;
+    gSaveBlock2Ptr->field_A8 |= 0x10;
+    gSaveBlock2Ptr->field_A8 |= 0x20;
+    gSaveBlock2Ptr->field_A8 |= 0x8;
+}
+
+void sub_81AFDD0(void)
+{
+    gSaveBlock2Ptr->specialSaveWarp |= 0x80;
+}
diff --git a/sym_ewram.txt b/sym_ewram.txt
index 0299dad2e..944a51b62 100644
--- a/sym_ewram.txt
+++ b/sym_ewram.txt
@@ -1610,9 +1610,7 @@ gUnknown_0203BCE8: @ 203BCE8
 	.space 0x4
 
     .include "src/lottery_corner.o"
-
-gUnknown_0203BCF0: @ 203BCF0
-	.space 0x4
+    .include "src/diploma.o"
 
 gUnknown_0203BCF4: @ 203BCF4
 	.space 0x4