decompile: diploma.s

.gitignore

@@ -1,48 +1,49 @@
-*.exe
-*.o
-*.i
-*.elf
-*.gba
 *.1bpp
 *.4bpp
 *.8bpp
-*.gbapal
+*.DS_Store
-*.lz
+*.bak
-*.rl
-*.pcm
-*.latfont
-*.hwjpnfont
-*.fwjpnfont
 *.bat
-sound/**/*.bin
+*.diff
-src/*.s
+*.dump
-tools/agbcc
+*.elf
-tools/binutils
+*.exe
-ld_script_ruby.txt
+*.fwjpnfont
-ld_script_sapphire.txt
+*.gba
-*.map
+*.gbapal
+*.hwjpnfont
+*.i
 *.id0
 *.id1
 *.id2
-*.nam
+*.latfont
-*.til
-.fuse*
 *.ld
-tags
+*.lz
-types_*.taghl
+*.map
-*.swp
+*.nam
-*.swo
+*.o
+*.pcm
+*.pl
+*.rl
 *.s.old
 *.s.old2
-*.dump
 *.sa*
+*.swo
+*.swp
+*.til
+.fuse*
+.idea/
 Thumbs.db
 build/
-.idea/
 cmake-build-*
-*.DS_Store
+ld_script_ruby.txt
-*.pl
+ld_script_sapphire.txt
-*.bak
+sound/**/*.bin
+src/*.s
 src/data/items.h
+tags
+tools/agbcc
+tools/binutils
 tools/br_ips/br_ips
 tools/br_ips/ips_patch
+types_*.taghl

asm/diploma.s

@@ -1,607 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start sub_80F4BFC
-sub_80F4BFC: @ 80F4BFC
-	push {lr}
-	bl LoadOam
-	bl ProcessSpriteCopyRequests
-	bl TransferPlttBuffer
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80F4BFC
-
-	thumb_func_start sub_80F4C10
-sub_80F4C10: @ 80F4C10
-	push {r4,lr}
-	ldr r4, _080F4C40 @ =gUnknown_203AB48
-	ldr r0, _080F4C44 @ =0x00001004
-	bl AllocZeroed
-	str r0, [r4]
-	movs r1, 0
-	strb r1, [r0]
-	ldr r0, [r4]
-	strb r1, [r0, 0x1]
-	ldr r0, [r4]
-	strb r1, [r0, 0x2]
-	bl sub_80F4E24
-	ldr r0, _080F4C48 @ =sub_80F4C68
-	movs r1, 0
-	bl CreateTask
-	ldr r0, _080F4C4C @ =sub_80F4C50
-	bl SetMainCallback2
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F4C40: .4byte gUnknown_203AB48
-_080F4C44: .4byte 0x00001004
-_080F4C48: .4byte sub_80F4C68
-_080F4C4C: .4byte sub_80F4C50
-	thumb_func_end sub_80F4C10
-
-	thumb_func_start sub_80F4C50
-sub_80F4C50: @ 80F4C50
-	push {lr}
-	bl RunTasks
-	bl AnimateSprites
-	bl BuildOamBuffer
-	bl UpdatePaletteFade
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80F4C50
-
-	thumb_func_start sub_80F4C68
-sub_80F4C68: @ 80F4C68
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _080F4C84 @ =gUnknown_203AB48
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x2]
-	cmp r0, 0x8
-	bhi _080F4D30
-	lsls r0, 2
-	ldr r1, _080F4C88 @ =_080F4C8C
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080F4C84: .4byte gUnknown_203AB48
-_080F4C88: .4byte _080F4C8C
-	.align 2, 0
-_080F4C8C:
-	.4byte _080F4CB0
-	.4byte _080F4CB8
-	.4byte _080F4CBE
-	.4byte _080F4CCA
-	.4byte _080F4CDC
-	.4byte _080F4CFC
-	.4byte _080F4D02
-	.4byte _080F4D10
-	.4byte _080F4D22
-_080F4CB0:
-	movs r0, 0
-	bl SetVBlankCallback
-	b _080F4D50
-_080F4CB8:
-	bl sub_80F4E40
-	b _080F4D50
-_080F4CBE:
-	bl sub_80F4F9C
-	lsls r0, 24
-	cmp r0, 0
-	beq _080F4D5A
-	b _080F4D50
-_080F4CCA:
-	ldr r1, _080F4CD8 @ =gUnknown_84154E8
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBuffer
-	b _080F4D50
-	.align 2, 0
-_080F4CD8: .4byte gUnknown_84154E8
-_080F4CDC:
-	bl sub_8088F84
-	lsls r0, 16
-	cmp r0, 0
-	beq _080F4CF2
-	movs r1, 0x80
-	lsls r1, 1
-	movs r0, 0x14
-	bl SetGpuReg
-	b _080F4D50
-_080F4CF2:
-	movs r0, 0x14
-	movs r1, 0
-	bl SetGpuReg
-	b _080F4D50
-_080F4CFC:
-	bl sub_80F5018
-	b _080F4D50
-_080F4D02:
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	b _080F4D50
-_080F4D10:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	b _080F4D50
-_080F4D22:
-	ldr r0, _080F4D2C @ =sub_80F4BFC
-	bl SetVBlankCallback
-	b _080F4D50
-	.align 2, 0
-_080F4D2C: .4byte sub_80F4BFC
-_080F4D30:
-	ldr r0, _080F4D64 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _080F4D50
-	movs r0, 0x5
-	bl PlayFanfareByFanfareNum
-	ldr r0, _080F4D68 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldr r0, _080F4D6C @ =sub_80F4D74
-	str r0, [r1]
-_080F4D50:
-	ldr r0, _080F4D70 @ =gUnknown_203AB48
-	ldr r1, [r0]
-	ldrb r0, [r1, 0x2]
-	adds r0, 0x1
-	strb r0, [r1, 0x2]
-_080F4D5A:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F4D64: .4byte gPaletteFade
-_080F4D68: .4byte gTasks
-_080F4D6C: .4byte sub_80F4D74
-_080F4D70: .4byte gUnknown_203AB48
-	thumb_func_end sub_80F4C68
-
-	thumb_func_start sub_80F4D74
-sub_80F4D74: @ 80F4D74
-	push {r4,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r4, _080F4D90 @ =gUnknown_203AB48
-	ldr r0, [r4]
-	ldrb r1, [r0]
-	cmp r1, 0x1
-	beq _080F4DA8
-	cmp r1, 0x1
-	bgt _080F4D94
-	cmp r1, 0
-	beq _080F4D9A
-	b _080F4DD6
-	.align 2, 0
-_080F4D90: .4byte gUnknown_203AB48
-_080F4D94:
-	cmp r1, 0x2
-	beq _080F4DD0
-	b _080F4DD6
-_080F4D9A:
-	movs r0, 0
-	bl WaitFanfare
-	lsls r0, 24
-	cmp r0, 0
-	beq _080F4DD6
-	b _080F4DC2
-_080F4DA8:
-	ldr r0, _080F4DCC @ =gMain
-	ldrh r0, [r0, 0x2E]
-	ands r1, r0
-	cmp r1, 0
-	beq _080F4DD6
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-_080F4DC2:
-	ldr r1, [r4]
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-	b _080F4DD6
-	.align 2, 0
-_080F4DCC: .4byte gMain
-_080F4DD0:
-	adds r0, r2, 0
-	bl sub_80F4DE0
-_080F4DD6:
-	add sp, 0x4
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80F4D74
-
-	thumb_func_start sub_80F4DE0
-sub_80F4DE0: @ 80F4DE0
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r2, r0, 24
-	ldr r0, _080F4E18 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	lsls r0, 24
-	lsrs r5, r0, 24
-	cmp r5, 0
-	bne _080F4E10
-	adds r0, r2, 0
-	bl DestroyTask
-	bl FreeAllWindowBuffers
-	ldr r4, _080F4E1C @ =gUnknown_203AB48
-	ldr r0, [r4]
-	bl Free
-	str r5, [r4]
-	ldr r0, _080F4E20 @ =sub_80568FC
-	bl SetMainCallback2
-_080F4E10:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F4E18: .4byte gPaletteFade
-_080F4E1C: .4byte gUnknown_203AB48
-_080F4E20: .4byte sub_80568FC
-	thumb_func_end sub_80F4DE0
-
-	thumb_func_start sub_80F4E24
-sub_80F4E24: @ 80F4E24
-	push {lr}
-	bl ResetSpriteData
-	bl ResetPaletteFade
-	bl FreeAllSpritePalettes
-	bl ResetTasks
-	bl ScanlineEffect_Stop
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80F4E24
-
-	thumb_func_start sub_80F4E40
-sub_80F4E40: @ 80F4E40
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	sub sp, 0x10
-	movs r3, 0xC0
-	lsls r3, 19
-	movs r4, 0xC0
-	lsls r4, 9
-	add r0, sp, 0xC
-	mov r8, r0
-	add r2, sp, 0x8
-	movs r6, 0
-	ldr r1, _080F4F88 @ =0x040000d4
-	movs r5, 0x80
-	lsls r5, 5
-	ldr r7, _080F4F8C @ =0x81000800
-	movs r0, 0x81
-	lsls r0, 24
-	mov r12, r0
-_080F4E66:
-	strh r6, [r2]
-	add r0, sp, 0x8
-	str r0, [r1]
-	str r3, [r1, 0x4]
-	str r7, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	adds r3, r5
-	subs r4, r5
-	cmp r4, r5
-	bhi _080F4E66
-	strh r6, [r2]
-	add r2, sp, 0x8
-	str r2, [r1]
-	str r3, [r1, 0x4]
-	lsrs r0, r4, 1
-	mov r2, r12
-	orrs r0, r2
-	str r0, [r1, 0x8]
-	ldr r0, [r1, 0x8]
-	movs r0, 0xE0
-	lsls r0, 19
-	movs r3, 0x80
-	lsls r3, 3
-	movs r4, 0
-	str r4, [sp, 0xC]
-	ldr r2, _080F4F88 @ =0x040000d4
-	mov r1, r8
-	str r1, [r2]
-	str r0, [r2, 0x4]
-	lsrs r0, r3, 2
-	movs r1, 0x85
-	lsls r1, 24
-	orrs r0, r1
-	str r0, [r2, 0x8]
-	ldr r0, [r2, 0x8]
-	movs r1, 0xA0
-	lsls r1, 19
-	add r0, sp, 0x8
-	strh r4, [r0]
-	str r0, [r2]
-	str r1, [r2, 0x4]
-	lsrs r3, 1
-	movs r0, 0x81
-	lsls r0, 24
-	orrs r3, r0
-	str r3, [r2, 0x8]
-	ldr r0, [r2, 0x8]
-	movs r0, 0
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0
-	bl ResetBgsAndClearDma3BusyFlags
-	ldr r1, _080F4F90 @ =gUnknown_8415A08
-	movs r0, 0
-	movs r2, 0x2
-	bl InitBgsFromTemplates
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	ldr r0, _080F4F94 @ =gUnknown_8415A10
-	bl InitWindows
-	bl DeactivateAllTextPrinters
-	movs r1, 0x82
-	lsls r1, 5
-	movs r0, 0
-	bl SetGpuReg
-	ldr r0, _080F4F98 @ =gUnknown_203AB48
-	ldr r1, [r0]
-	adds r1, 0x4
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	movs r0, 0
-	bl ShowBg
-	movs r0, 0x1
-	bl ShowBg
-	movs r5, 0x1E
-	str r5, [sp]
-	movs r4, 0x14
-	str r4, [sp, 0x4]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r5, [sp]
-	str r4, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	add sp, 0x10
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F4F88: .4byte 0x040000d4
-_080F4F8C: .4byte 0x81000800
-_080F4F90: .4byte gUnknown_8415A08
-_080F4F94: .4byte gUnknown_8415A10
-_080F4F98: .4byte gUnknown_203AB48
-	thumb_func_end sub_80F4E40
-
-	thumb_func_start sub_80F4F9C
-sub_80F4F9C: @ 80F4F9C
-	push {lr}
-	sub sp, 0x4
-	ldr r0, _080F4FB4 @ =gUnknown_203AB48
-	ldr r0, [r0]
-	ldrb r0, [r0, 0x1]
-	cmp r0, 0x1
-	beq _080F4FC8
-	cmp r0, 0x1
-	bgt _080F4FB8
-	cmp r0, 0
-	beq _080F4FC2
-	b _080F4FF8
-	.align 2, 0
-_080F4FB4: .4byte gUnknown_203AB48
-_080F4FB8:
-	cmp r0, 0x2
-	beq _080F4FE0
-	cmp r0, 0x3
-	beq _080F4FEE
-	b _080F4FF8
-_080F4FC2:
-	bl ResetTempTileDataBuffers
-	b _080F5000
-_080F4FC8:
-	ldr r1, _080F4FDC @ =gUnknown_84147C0
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl DecompressAndCopyTileDataToVram
-	b _080F5000
-	.align 2, 0
-_080F4FDC: .4byte gUnknown_84147C0
-_080F4FE0:
-	bl FreeTempTileDataBuffersIfPossible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080F5000
-	b _080F500A
-_080F4FEE:
-	ldr r0, _080F4FFC @ =gUnknown_8415954
-	movs r1, 0
-	movs r2, 0x40
-	bl LoadPalette
-_080F4FF8:
-	movs r0, 0x1
-	b _080F500C
-	.align 2, 0
-_080F4FFC: .4byte gUnknown_8415954
-_080F5000:
-	ldr r0, _080F5014 @ =gUnknown_203AB48
-	ldr r1, [r0]
-	ldrb r0, [r1, 0x1]
-	adds r0, 0x1
-	strb r0, [r1, 0x1]
-_080F500A:
-	movs r0, 0
-_080F500C:
-	add sp, 0x4
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080F5014: .4byte gUnknown_203AB48
-	thumb_func_end sub_80F4F9C
-
-	thumb_func_start sub_80F5018
-sub_80F5018: @ 80F5018
-	push {r4-r6,lr}
-	sub sp, 0xAC
-	bl UnkTextUtil_Reset
-	ldr r0, _080F5040 @ =gSaveBlock2Ptr
-	ldr r1, [r0]
-	movs r0, 0
-	bl UnkTextUtil_SetPtrI
-	bl sub_8088F84
-	lsls r0, 16
-	cmp r0, 0
-	beq _080F5048
-	ldr r1, _080F5044 @ =gUnknown_841B68F
-	movs r0, 0x1
-	bl UnkTextUtil_SetPtrI
-	b _080F5050
-	.align 2, 0
-_080F5040: .4byte gSaveBlock2Ptr
-_080F5044: .4byte gUnknown_841B68F
-_080F5048:
-	ldr r1, _080F50E0 @ =gUnknown_841B698
-	movs r0, 0x1
-	bl UnkTextUtil_SetPtrI
-_080F5050:
-	movs r0, 0
-	movs r1, 0
-	bl FillWindowPixelBuffer
-	ldr r1, _080F50E4 @ =gUnknown_841B60E
-	add r0, sp, 0xC
-	bl UnkTextUtil_StringExpandPlaceholders
-	movs r5, 0x1
-	negs r5, r5
-	movs r0, 0x2
-	add r1, sp, 0xC
-	adds r2, r5, 0
-	bl GetStringWidth
-	lsrs r2, r0, 1
-	movs r4, 0x78
-	subs r2, r4, r2
-	lsls r2, 24
-	lsrs r2, 24
-	ldr r6, _080F50E8 @ =gUnknown_8415A04
-	str r6, [sp]
-	str r5, [sp, 0x4]
-	add r0, sp, 0xC
-	str r0, [sp, 0x8]
-	movs r0, 0
-	movs r1, 0x2
-	movs r3, 0x4
-	bl AddTextPrinterParameterized3
-	ldr r1, _080F50EC @ =gUnknown_841B619
-	add r0, sp, 0xC
-	bl UnkTextUtil_StringExpandPlaceholders
-	movs r0, 0x2
-	add r1, sp, 0xC
-	adds r2, r5, 0
-	bl GetStringWidth
-	lsrs r0, 1
-	subs r4, r0
-	lsls r4, 24
-	lsrs r4, 24
-	str r6, [sp]
-	str r5, [sp, 0x4]
-	add r0, sp, 0xC
-	str r0, [sp, 0x8]
-	movs r0, 0
-	movs r1, 0x2
-	adds r2, r4, 0
-	movs r3, 0x1E
-	bl AddTextPrinterParameterized3
-	str r6, [sp]
-	movs r0, 0
-	str r0, [sp, 0x4]
-	ldr r0, _080F50F0 @ =gUnknown_841B684
-	str r0, [sp, 0x8]
-	movs r0, 0
-	movs r1, 0x2
-	movs r2, 0x78
-	movs r3, 0x69
-	bl AddTextPrinterParameterized3
-	movs r0, 0
-	bl PutWindowTilemap
-	add sp, 0xAC
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080F50E0: .4byte gUnknown_841B698
-_080F50E4: .4byte gUnknown_841B60E
-_080F50E8: .4byte gUnknown_8415A04
-_080F50EC: .4byte gUnknown_841B619
-_080F50F0: .4byte gUnknown_841B684
-	thumb_func_end sub_80F5018
-
-	.align 2, 0 @ Don't pad with nop.

asm/field_specials.s

@@ -9,13 +9,13 @@
 sub_80CA618: @ 80CA618
 	push {lr}
 	bl sub_8112364
-	ldr r0, _080CA62C @ =sub_80F4C10
+	ldr r0, _080CA62C @ =DiplomaInit
 	bl SetMainCallback2
 	bl ScriptContext2_Enable
 	pop {r0}
 	bx r0
 	.align 2, 0
-_080CA62C: .4byte sub_80F4C10
+_080CA62C: .4byte DiplomaInit
 	thumb_func_end sub_80CA618
 
 	thumb_func_start sub_80CA630

ld_script.txt

@@ -214,6 +214,7 @@ SECTIONS {
         asm/battle_anim_special.o(.text);
         asm/hall_of_fame.o(.text);
         asm/credits.o(.text);
+        src/diploma.o(.text);
         asm/diploma.o(.text);
         asm/save_failed_screen.o(.text);
         asm/clear_save_data_screen.o(.text);

src/diploma.c

@@ -0,0 +1,254 @@
+#include "gba/macro.h"
+#include "global.h"
+#include "gpu_regs.h"
+#include "window.h"
+#include "main.h"
+#include "scanline_effect.h"
+#include "task.h"
+#include "unk_text_util.h"
+#include "gpu_regs.h"
+#include "text.h"
+#include "bg.h"
+#include "sound.h"
+#include "malloc.h"
+#include "sprite.h"
+#include "palette.h"
+#include "new_menu_helpers.h"
+#include "menu.h"
+#include "diploma.h"
+
+void sub_80568FC(void);
+u16 sub_8088F84(void);
+
+void DiplomaBgInit(void);
+void DiplomaPrintText(void);
+u8 DiplomaLoadGfx(void);
+void DiplomaVblankHandler(void);
+
+void CB2_DiplomaInit(void);
+
+void Task_WaitForExit(u8);
+void Task_DiplomaInit(u8);
+void Task_DiplomaReturnToOverworld(u8);
+
+extern const struct BgTemplate gUnknown_8415A08[2];
+extern const struct WindowTemplate gUnknown_8415A10[];
+extern const u8 gUnknown_8402650[];
+extern const u8 gUnknown_841B60E[];
+extern const u8 gUnknown_841B684[];
+extern u8 gUnknown_84147C0[];
+extern u8 gUnknown_8415954[];
+extern u8 gUnknown_841B698[];
+extern u8 gUnknown_841B68F[];
+extern u8 gUnknown_841B619[];
+extern u8 gUnknown_8415A04[];
+
+struct Diploma
+{
+    u8 state;
+    u8 gfxStep;
+    u8 callbackStep;
+	u8 padding;
+    u8 tilemapBuffer[0x1000];
+}
+	*gDiploma = NULL;
+
+extern const u32 gUnknown_84154E8[];
+
+void CB2_DiplomaOam(void)
+{
+	LoadOam();
+	ProcessSpriteCopyRequests();
+	TransferPlttBuffer();
+}
+
+void DiplomaInit(void)
+{
+	gDiploma = AllocZeroed(sizeof(*gDiploma));
+	gDiploma->state = 0;
+	gDiploma->gfxStep = 0;
+	gDiploma->callbackStep = 0;
+	DiplomaBgInit();
+	CreateTask(Task_DiplomaInit, 0);
+	SetMainCallback2(CB2_DiplomaInit);
+}
+
+void CB2_DiplomaInit(void)
+{
+	RunTasks();
+	AnimateSprites();
+	BuildOamBuffer();
+	UpdatePaletteFade();
+}
+
+void Task_DiplomaInit(u8 taskId)
+{
+	switch (gDiploma->callbackStep)
+	{
+		case 0:
+			SetVBlankCallback(NULL);
+			break;
+		case 1:
+			DiplomaVblankHandler();
+			break;
+		case 2:
+			if (!DiplomaLoadGfx())
+			{
+				return;
+			}
+			break;
+		case 3:
+			CopyToBgTilemapBuffer(1, gUnknown_84154E8, 0, 0);
+			break;
+		case 4:
+			if (sub_8088F84())
+			{
+				SetGpuReg(REG_OFFSET_BG1HOFS, 0x80 << 1);
+			}
+			else
+			{
+				SetGpuReg(REG_OFFSET_BG1HOFS, 0);
+			}
+			break;
+		case 5:
+			DiplomaPrintText();
+			break;
+		case 6:
+			CopyBgTilemapBufferToVram(0);
+			CopyBgTilemapBufferToVram(1);
+			break;
+		case 7:
+			BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, RGB_BLACK);
+			break;
+		case 8:
+			SetVBlankCallback(CB2_DiplomaOam);
+			break;
+		default:
+			if (gPaletteFade.active)
+			{
+				break;
+			}
+			PlayFanfareByFanfareNum(5);
+			gTasks[taskId].func = Task_WaitForExit;
+	}
+	gDiploma->callbackStep++;
+}
+
+void Task_WaitForExit(u8 taskId)
+{
+    switch (gDiploma->state)
+	{
+        case 0:
+            if (WaitFanfare(0))
+			{
+				gDiploma->state++;
+			}
+            break;
+        case 1:
+            if (JOY_NEW(A_BUTTON))
+			{
+                BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, RGB_BLACK);
+				gDiploma->state++;
+			}
+			break;
+        case 2:
+            Task_DiplomaReturnToOverworld(taskId);
+			break;
+    }
+}
+
+void Task_DiplomaReturnToOverworld(u8 taskId)
+{
+	if (gPaletteFade.active)
+		return;
+	DestroyTask(taskId);
+	FreeAllWindowBuffers();
+	FREE_AND_SET_NULL(gDiploma);
+	SetMainCallback2(sub_80568FC);
+}
+
+void DiplomaBgInit(void)
+{
+	ResetSpriteData();
+	ResetPaletteFade();
+	FreeAllSpritePalettes();
+	ResetTasks();
+	ScanlineEffect_Stop();
+}
+
+void DiplomaVblankHandler(void)
+{
+	void *vram = (void *)VRAM;
+    DmaClearLarge16(3, vram, VRAM_SIZE, 0x1000);
+    DmaClear32(3, (void *)OAM, OAM_SIZE);
+    DmaClear16(3, (void *)PLTT, PLTT_SIZE);
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+	ResetBgsAndClearDma3BusyFlags(0);
+    InitBgsFromTemplates(0, gUnknown_8415A08, 2);
+    ChangeBgX(0, 0, 0);
+    ChangeBgY(0, 0, 0);
+    ChangeBgX(1, 0, 0);
+    ChangeBgY(1, 0, 0);
+    ChangeBgX(2, 0, 0);
+    ChangeBgY(2, 0, 0);
+    ChangeBgX(3, 0, 0);
+    ChangeBgY(3, 0, 0);
+	InitWindows(gUnknown_8415A10);
+	DeactivateAllTextPrinters();
+	SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_ON);
+	SetBgTilemapBuffer(1, gDiploma->tilemapBuffer);
+    ShowBg(0);
+    ShowBg(1);
+    FillBgTilemapBufferRect_Palette0(0, 0, 0, 0, 30, 20);
+    FillBgTilemapBufferRect_Palette0(1, 0, 0, 0, 30, 20);
+}
+
+u8 DiplomaLoadGfx(void)
+{
+	switch (gDiploma->gfxStep)
+	{
+		case 0:
+			ResetTempTileDataBuffers();
+			break;
+		case 1:
+			DecompressAndCopyTileDataToVram(1, gUnknown_84147C0, 0, 0, 0);
+			break;
+		case 2:
+			if (!(FreeTempTileDataBuffersIfPossible() == 1))
+			{
+				break;
+			}
+			return 0;
+		case 3:
+			LoadPalette(gUnknown_8415954, 0, 0x40);
+		default:
+			return 1;
+	}
+	gDiploma->gfxStep++;
+	return 0;
+}
+
+void DiplomaPrintText(void)
+{
+    u8 arr[160];
+    uintptr_t len;
+    UnkTextUtil_Reset();
+    UnkTextUtil_SetPtrI(0, gSaveBlock2Ptr->playerName);
+    if (sub_8088F84())
+    {
+        UnkTextUtil_SetPtrI(1, gUnknown_841B68F);
+    }
+    else
+    {
+        UnkTextUtil_SetPtrI(1, gUnknown_841B698);
+    }
+    FillWindowPixelBuffer(0, 0);
+    UnkTextUtil_StringExpandPlaceholders(arr, gUnknown_841B60E);
+    len = (uintptr_t)GetStringWidth(2, arr, -1);
+    AddTextPrinterParameterized3(0, 2, 0x78 - (len / 2), 4, gUnknown_8415A04, -1, arr);
+    UnkTextUtil_StringExpandPlaceholders(arr, gUnknown_841B619);
+    len = (uintptr_t)GetStringWidth(2, arr, -1);
+    AddTextPrinterParameterized3(0, 0x2, 0x78 - (len / 2), 0x1E, gUnknown_8415A04, -1, arr);
+    AddTextPrinterParameterized3(0, 0x2, 0x78, 0x69, gUnknown_8415A04, 0, gUnknown_841B684);
+    PutWindowTilemap(0);
+}

sym_ewram.txt

@@ -1130,7 +1130,7 @@ gUnknown_203AB40: @ 203AB40
 gUnknown_203AB44: @ 203AB44
 	.space 0x4
 
-gUnknown_203AB48: @ 203AB48
+gDiploma: @ 203AB48
 	.space 0x4
 
 gUnknown_203AB4C: @ 203AB4C