Initial commit

1 files changed, 1071 insertions, 0 deletions

diff --git a/asm/libagbbackup.s b/asm/libagbbackup.s
new file mode 100644
index 000000000..171ba88f2
--- /dev/null
+++ b/asm/libagbbackup.s
@@ -0,0 +1,1071 @@
+	thumb_func_start SwitchFlashBank
+SwitchFlashBank: ; 81DF624
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r3, =0x0e005555
+	movs r1, 0xAA
+	strb r1, [r3]
+	ldr r2, =0x0e002aaa
+	movs r1, 0x55
+	strb r1, [r2]
+	movs r1, 0xB0
+	strb r1, [r3]
+	movs r1, 0xE0
+	lsls r1, 20
+	strb r0, [r1]
+	bx lr
+	.pool
+	thumb_func_end SwitchFlashBank
+
+	thumb_func_start ReadFlashID
+; u16 ReadFlashID()
+ReadFlashID: ; 81DF648
+	push {r4,r5,lr}
+	sub sp, 0x44
+	mov r0, sp
+	bl SetReadFlash1
+	mov r5, sp
+	adds r5, 0x1
+	ldr r2, =0x0e005555
+	movs r0, 0xAA
+	strb r0, [r2]
+	ldr r1, =0x0e002aaa
+	movs r0, 0x55
+	strb r0, [r1]
+	movs r0, 0x90
+	strb r0, [r2]
+	add r1, sp, 0x40
+	ldr r2, =0x00004e20
+	adds r0, r2, 0
+	b _081DF680
+	.pool
+_081DF67C:
+	ldrh r0, [r1]
+	subs r0, 0x1
+_081DF680:
+	strh r0, [r1]
+	ldrh r0, [r1]
+	cmp r0, 0
+	bne _081DF67C
+	ldr r0, =0x0e000001
+	bl _call_via_r5
+	lsls r0, 24
+	lsrs r4, r0, 16
+	movs r0, 0xE0
+	lsls r0, 20
+	bl _call_via_r5
+	lsls r0, 24
+	lsrs r0, 24
+	orrs r4, r0
+	ldr r1, =0x0e005555
+	movs r0, 0xAA
+	strb r0, [r1]
+	ldr r2, =0x0e002aaa
+	movs r0, 0x55
+	strb r0, [r2]
+	movs r0, 0xF0
+	strb r0, [r1]
+	strb r0, [r1]
+	add r1, sp, 0x40
+	ldr r2, =0x00004e20
+	adds r0, r2, 0
+	b _081DF6D0
+	.pool
+_081DF6CC:
+	ldrh r0, [r1]
+	subs r0, 0x1
+_081DF6D0:
+	strh r0, [r1]
+	ldrh r0, [r1]
+	cmp r0, 0
+	bne _081DF6CC
+	adds r0, r4, 0
+	add sp, 0x44
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end ReadFlashID
+
+	thumb_func_start FlashTimerIntr
+; void FlashTimerIntr()
+FlashTimerIntr: ; 81DF6E4
+	push {lr}
+	ldr r1, =0x03000F2A
+	ldrh r0, [r1]
+	cmp r0, 0
+	beq _081DF700
+	ldrh r0, [r1]
+	subs r0, 0x1
+	strh r0, [r1]
+	lsls r0, 16
+	cmp r0, 0
+	bne _081DF700
+	ldr r1, =0x03007490
+	movs r0, 0x1
+	strb r0, [r1]
+_081DF700:
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end FlashTimerIntr
+
+	thumb_func_start SetFlashTimerIntr
+; void SetFlashTimerIntr(u8 timer_id, void ( **irq_timer_func)())
+SetFlashTimerIntr: ; 81DF70C
+	push {lr}
+	adds r2, r1, 0
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, 0x3
+	bhi _081DF740
+	ldr r0, =0x03000F28
+	strb r1, [r0]
+	ldr r1, =0x03000F2C
+	ldrb r0, [r0]
+	lsls r0, 2
+	ldr r3, =0x04000100
+	adds r0, r3
+	str r0, [r1]
+	ldr r0, =FlashTimerIntr
+	str r0, [r2]
+	movs r0, 0
+	b _081DF742
+	.pool
+_081DF740:
+	movs r0, 0x1
+_081DF742:
+	pop {r1}
+	bx r1
+	thumb_func_end SetFlashTimerIntr
+
+	thumb_func_start StartFlashTimer
+StartFlashTimer: ; 81DF748
+	push {r4-r6,lr}
+	mov r6, r10
+	mov r5, r9
+	mov r4, r8
+	push {r4-r6}
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r1, =0x030074B4
+	lsls r2, r0, 1
+	adds r2, r0
+	lsls r2, 1
+	ldr r0, [r1]
+	adds r2, r0
+	ldr r1, =0x03000F30
+	ldr r0, =0x04000208
+	mov r9, r0
+	ldrh r0, [r0]
+	strh r0, [r1]
+	movs r3, 0
+	mov r1, r9
+	strh r3, [r1]
+	ldr r0, =0x03000F2C
+	mov r8, r0
+	ldr r4, [r0]
+	strh r3, [r4, 0x2]
+	ldr r6, =0x04000200
+	ldr r1, =0x03000F28
+	mov r10, r1
+	ldrb r1, [r1]
+	movs r5, 0x8
+	adds r0, r5, 0
+	lsls r0, r1
+	adds r1, r0, 0
+	ldrh r0, [r6]
+	orrs r0, r1
+	strh r0, [r6]
+	ldr r0, =0x03007490
+	strb r3, [r0]
+	ldr r1, =0x03000F2A
+	ldrh r0, [r2]
+	strh r0, [r1]
+	adds r2, 0x2
+	ldrh r0, [r2]
+	strh r0, [r4]
+	adds r0, r4, 0x2
+	mov r1, r8
+	str r0, [r1]
+	ldrh r0, [r2, 0x2]
+	strh r0, [r4, 0x2]
+	str r4, [r1]
+	ldr r1, =0x04000202
+	mov r2, r10
+	ldrb r0, [r2]
+	lsls r5, r0
+	strh r5, [r1]
+	movs r0, 0x1
+	mov r3, r9
+	strh r0, [r3]
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r6}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end StartFlashTimer
+
+	thumb_func_start StopFlashTimer
+StopFlashTimer: ; 81DF7F0
+	ldr r3, =0x04000208
+	movs r1, 0
+	strh r1, [r3]
+	ldr r2, =0x03000F2C
+	ldr r0, [r2]
+	strh r1, [r0]
+	adds r0, 0x2
+	str r0, [r2]
+	strh r1, [r0]
+	subs r0, 0x2
+	str r0, [r2]
+	ldr r2, =0x04000200
+	ldr r0, =0x03000F28
+	ldrb r0, [r0]
+	movs r1, 0x8
+	lsls r1, r0
+	ldrh r0, [r2]
+	bics r0, r1
+	strh r0, [r2]
+	ldr r0, =0x03000F30
+	ldrh r0, [r0]
+	strh r0, [r3]
+	bx lr
+	.pool
+	thumb_func_end StopFlashTimer
+
+	thumb_func_start ReadFlash1
+; u8 ReadFlash1(int address)
+ReadFlash1: ; 81DF834
+	ldrb r0, [r0]
+	bx lr
+	thumb_func_end ReadFlash1
+
+	thumb_func_start SetReadFlash1
+; void SetReadFlash1(u8 ( *target_func)(int address))
+SetReadFlash1: ; 81DF838
+	push {lr}
+	adds r2, r0, 0
+	ldr r1, =0x03007494
+	adds r0, r2, 0x1
+	str r0, [r1]
+	ldr r3, =ReadFlash1
+	movs r0, 0x1
+	eors r3, r0
+	ldr r0, =SetReadFlash1
+	ldr r1, =ReadFlash1
+	subs r0, r1
+	lsls r0, 15
+	b _081DF86C
+	.pool
+_081DF860:
+	ldrh r0, [r3]
+	strh r0, [r2]
+	adds r3, 0x2
+	adds r2, 0x2
+	subs r0, r1, 0x1
+	lsls r0, 16
+_081DF86C:
+	lsrs r1, r0, 16
+	cmp r1, 0
+	bne _081DF860
+	pop {r0}
+	bx r0
+	thumb_func_end SetReadFlash1
+
+	thumb_func_start ReadFlash_Core
+ReadFlash_Core: ; 81DF878
+	push {r4,lr}
+	adds r4, r0, 0
+	subs r3, r2, 0x1
+	cmp r2, 0
+	beq _081DF894
+	movs r2, 0x1
+	negs r2, r2
+_081DF886:
+	ldrb r0, [r4]
+	strb r0, [r1]
+	adds r4, 0x1
+	adds r1, 0x1
+	subs r3, 0x1
+	cmp r3, r2
+	bne _081DF886
+_081DF894:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end ReadFlash_Core
+
+	thumb_func_start ReadFlash
+ReadFlash: ; 81DF89C
+	push {r4-r7,lr}
+	sub sp, 0x80
+	adds r5, r1, 0
+	adds r6, r2, 0
+	adds r7, r3, 0
+	lsls r3, r0, 16
+	lsrs r4, r3, 16
+	ldr r2, =0x04000204
+	ldrh r0, [r2]
+	ldr r1, =0x0000fffc
+	ands r0, r1
+	movs r1, 0x3
+	orrs r0, r1
+	strh r0, [r2]
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldr r1, [r0]
+	movs r0, 0x80
+	lsls r0, 10
+	cmp r1, r0
+	bne _081DF8D4
+	lsrs r0, r3, 20
+	lsls r0, 24
+	lsrs r0, 24
+	bl SwitchFlashBank
+	movs r0, 0xF
+	ands r4, r0
+_081DF8D4:
+	ldr r3, =ReadFlash_Core
+	movs r0, 0x1
+	eors r3, r0
+	mov r2, sp
+	ldr r0, =ReadFlash
+	ldr r1, =ReadFlash_Core
+	subs r0, r1
+	lsls r0, 15
+	b _081DF908
+	.pool
+_081DF8FC:
+	ldrh r0, [r3]
+	strh r0, [r2]
+	adds r3, 0x2
+	adds r2, 0x2
+	subs r0, r1, 0x1
+	lsls r0, 16
+_081DF908:
+	lsrs r1, r0, 16
+	cmp r1, 0
+	bne _081DF8FC
+	mov r3, sp
+	adds r3, 0x1
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldrb r0, [r0, 0x8]
+	lsls r4, r0
+	adds r0, r4, 0
+	movs r2, 0xE0
+	lsls r2, 20
+	adds r1, r5, r2
+	adds r0, r1
+	adds r1, r6, 0
+	adds r2, r7, 0
+	bl _call_via_r3
+	add sp, 0x80
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.pool
+	thumb_func_end ReadFlash
+
+	thumb_func_start VerifyFlashSector_Core
+VerifyFlashSector_Core: ; 81DF938
+	push {r4,r5,lr}
+	adds r5, r0, 0
+	adds r3, r1, 0
+	subs r4, r2, 0x1
+	cmp r2, 0
+	beq _081DF95E
+	movs r2, 0x1
+	negs r2, r2
+_081DF948:
+	ldrb r1, [r3]
+	ldrb r0, [r5]
+	adds r5, 0x1
+	adds r3, 0x1
+	cmp r1, r0
+	beq _081DF958
+	subs r0, r3, 0x1
+	b _081DF960
+_081DF958:
+	subs r4, 0x1
+	cmp r4, r2
+	bne _081DF948
+_081DF95E:
+	movs r0, 0
+_081DF960:
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end VerifyFlashSector_Core
+
+	thumb_func_start VerifyFlashSector
+VerifyFlashSector: ; 81DF968
+	push {r4,r5,lr}
+	sub sp, 0x100
+	adds r5, r1, 0
+	lsls r3, r0, 16
+	lsrs r4, r3, 16
+	ldr r2, =0x04000204
+	ldrh r0, [r2]
+	ldr r1, =0x0000fffc
+	ands r0, r1
+	movs r1, 0x3
+	orrs r0, r1
+	strh r0, [r2]
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldr r1, [r0]
+	movs r0, 0x80
+	lsls r0, 10
+	cmp r1, r0
+	bne _081DF99C
+	lsrs r0, r3, 20
+	lsls r0, 24
+	lsrs r0, 24
+	bl SwitchFlashBank
+	movs r0, 0xF
+	ands r4, r0
+_081DF99C:
+	ldr r3, =VerifyFlashSector_Core
+	movs r0, 0x1
+	eors r3, r0
+	mov r2, sp
+	ldr r0, =VerifyFlashSector
+	ldr r1, =VerifyFlashSector_Core
+	subs r0, r1
+	lsls r0, 15
+	b _081DF9D0
+	.pool
+_081DF9C4:
+	ldrh r0, [r3]
+	strh r0, [r2]
+	adds r3, 0x2
+	adds r2, 0x2
+	subs r0, r1, 0x1
+	lsls r0, 16
+_081DF9D0:
+	lsrs r1, r0, 16
+	cmp r1, 0
+	bne _081DF9C4
+	mov r3, sp
+	adds r3, 0x1
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldrb r1, [r0, 0x8]
+	lsls r4, r1
+	adds r1, r4, 0
+	movs r2, 0xE0
+	lsls r2, 20
+	adds r1, r2
+	ldrh r2, [r0, 0x4]
+	adds r0, r5, 0
+	bl _call_via_r3
+	add sp, 0x100
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end VerifyFlashSector
+
+	thumb_func_start VerifyFlashSectorFirstNBytes
+VerifyFlashSectorFirstNBytes: ; 81DFA00
+	push {r4-r6,lr}
+	sub sp, 0x100
+	adds r5, r1, 0
+	adds r6, r2, 0
+	lsls r2, r0, 16
+	lsrs r4, r2, 16
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldr r1, [r0]
+	movs r0, 0x80
+	lsls r0, 10
+	cmp r1, r0
+	bne _081DFA28
+	lsrs r0, r2, 20
+	lsls r0, 24
+	lsrs r0, 24
+	bl SwitchFlashBank
+	movs r0, 0xF
+	ands r4, r0
+_081DFA28:
+	ldr r2, =0x04000204
+	ldrh r0, [r2]
+	ldr r1, =0x0000fffc
+	ands r0, r1
+	movs r1, 0x3
+	orrs r0, r1
+	strh r0, [r2]
+	ldr r3, =VerifyFlashSector_Core
+	movs r0, 0x1
+	eors r3, r0
+	mov r2, sp
+	ldr r0, =VerifyFlashSector
+	ldr r1, =VerifyFlashSector_Core
+	subs r0, r1
+	lsls r0, 15
+	b _081DFA68
+	.pool
+_081DFA5C:
+	ldrh r0, [r3]
+	strh r0, [r2]
+	adds r3, 0x2
+	adds r2, 0x2
+	subs r0, r1, 0x1
+	lsls r0, 16
+_081DFA68:
+	lsrs r1, r0, 16
+	cmp r1, 0
+	bne _081DFA5C
+	mov r3, sp
+	adds r3, 0x1
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldrb r1, [r0, 0x8]
+	lsls r4, r1
+	adds r1, r4, 0
+	movs r0, 0xE0
+	lsls r0, 20
+	adds r1, r0
+	adds r0, r5, 0
+	adds r2, r6, 0
+	bl _call_via_r3
+	add sp, 0x100
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end VerifyFlashSectorFirstNBytes
+
+	thumb_func_start ProgramFlashSectorsAndVerify
+ProgramFlashSectorsAndVerify: ; 81DFA98
+	push {r4-r6,lr}
+	adds r5, r1, 0
+	lsls r0, 16
+	lsrs r4, r0, 16
+	movs r6, 0
+	b _081DFAAA
+_081DFAA4:
+	adds r0, r6, 0x1
+	lsls r0, 24
+	lsrs r6, r0, 24
+_081DFAAA:
+	cmp r6, 0x2
+	bhi _081DFAD0
+	ldr r0, =0x0300749C
+	ldr r2, [r0]
+	adds r0, r4, 0
+	adds r1, r5, 0
+	bl _call_via_r2
+	lsls r0, 16
+	lsrs r2, r0, 16
+	cmp r2, 0
+	bne _081DFAA4
+	adds r0, r4, 0
+	adds r1, r5, 0
+	bl VerifyFlashSector
+	adds r2, r0, 0
+	cmp r2, 0
+	bne _081DFAA4
+_081DFAD0:
+	adds r0, r2, 0
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end ProgramFlashSectorsAndVerify
+
+	thumb_func_start ProgramFlashSectorsVerifyFirstNBytes
+ProgramFlashSectorsVerifyFirstNBytes: ; 81DFADC
+	push {r4-r7,lr}
+	adds r5, r1, 0
+	adds r7, r2, 0
+	lsls r0, 16
+	lsrs r4, r0, 16
+	movs r6, 0
+	b _081DFAF0
+_081DFAEA:
+	adds r0, r6, 0x1
+	lsls r0, 24
+	lsrs r6, r0, 24
+_081DFAF0:
+	cmp r6, 0x2
+	bhi _081DFB18
+	ldr r0, =0x0300749C
+	ldr r2, [r0]
+	adds r0, r4, 0
+	adds r1, r5, 0
+	bl _call_via_r2
+	lsls r0, 16
+	lsrs r3, r0, 16
+	cmp r3, 0
+	bne _081DFAEA
+	adds r0, r4, 0
+	adds r1, r5, 0
+	adds r2, r7, 0
+	bl VerifyFlashSectorFirstNBytes
+	adds r3, r0, 0
+	cmp r3, 0
+	bne _081DFAEA
+_081DFB18:
+	adds r0, r3, 0
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end ProgramFlashSectorsVerifyFirstNBytes
+
+	thumb_func_start IdentifyFlash
+; _BOOL2 IdentifyFlash()
+IdentifyFlash: ; 81DFB24
+	push {r4,lr}
+	ldr r2, =0x04000204
+	ldrh r0, [r2]
+	ldr r1, =0x0000fffc
+	ands r0, r1
+	movs r1, 0x3
+	orrs r0, r1
+	strh r0, [r2]
+	bl ReadFlashID
+	lsls r0, 16
+	lsrs r3, r0, 16
+	ldr r2, =gUnknown_086B07A8
+	movs r4, 0x1
+	b _081DFB52
+	.pool
+_081DFB50:
+	adds r2, 0x4
+_081DFB52:
+	ldr r1, [r2]
+	adds r0, r1, 0
+	adds r0, 0x2C
+	ldrb r0, [r0]
+	cmp r0, 0
+	beq _081DFB66
+	ldrh r0, [r1, 0x2C]
+	cmp r3, r0
+	bne _081DFB50
+	movs r4, 0
+_081DFB66:
+	ldr r1, =0x030074A4
+	ldr r0, [r2]
+	ldr r0, [r0]
+	str r0, [r1]
+	ldr r1, =0x0300749C
+	ldr r0, [r2]
+	ldr r0, [r0, 0x4]
+	str r0, [r1]
+	ldr r1, =0x030074AC
+	ldr r0, [r2]
+	ldr r0, [r0, 0x8]
+	str r0, [r1]
+	ldr r1, =0x030074B0
+	ldr r0, [r2]
+	ldr r0, [r0, 0xC]
+	str r0, [r1]
+	ldr r1, =0x03007498
+	ldr r0, [r2]
+	ldr r0, [r0, 0x10]
+	str r0, [r1]
+	ldr r1, =0x030074B4
+	ldr r0, [r2]
+	ldr r0, [r0, 0x14]
+	str r0, [r1]
+	ldr r1, =0x030074A0
+	ldr r0, [r2]
+	adds r0, 0x18
+	str r0, [r1]
+	adds r0, r4, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end IdentifyFlash
+
+	thumb_func_start PollingSR_COMMON
+PollingSR_COMMON: ; 81DFBC4
+	push {r4-r7,lr}
+	mov r7, r9
+	mov r6, r8
+	push {r6,r7}
+	adds r4, r1, 0
+	lsls r0, 24
+	lsrs r7, r0, 24
+	lsls r2, 24
+	lsrs r5, r2, 24
+	movs r0, 0
+	mov r8, r0
+	adds r0, r7, 0
+	bl StartFlashTimer
+	ldr r6, =0x03007494
+	ldr r1, =0x0e005555
+	mov r9, r1
+	b _081DFC28
+	.pool
+_081DFBF0:
+	movs r0, 0xF0
+	mov r1, r9
+	strb r0, [r1]
+	movs r0, 0xA0
+	lsls r0, 8
+	b _081DFC1E
+_081DFBFC:
+	ldr r0, =0x03007490
+	ldrb r0, [r0]
+	cmp r0, 0
+	beq _081DFC28
+	ldr r1, [r6]
+	adds r0, r4, 0
+	bl _call_via_r1
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, r5
+	beq _081DFC50
+	movs r0, 0xF0
+	mov r1, r9
+	strb r0, [r1]
+	movs r0, 0xC0
+	lsls r0, 8
+_081DFC1E:
+	orrs r7, r0
+	mov r8, r7
+	b _081DFC50
+	.pool
+_081DFC28:
+	ldr r1, [r6]
+	adds r0, r4, 0
+	bl _call_via_r1
+	lsls r0, 24
+	lsrs r1, r0, 24
+	cmp r1, r5
+	beq _081DFC50
+	movs r0, 0x20
+	ands r0, r1
+	cmp r0, 0
+	beq _081DFBFC
+	ldr r1, [r6]
+	adds r0, r4, 0
+	bl _call_via_r1
+	lsls r0, 24
+	lsrs r0, 24
+	cmp r0, r5
+	bne _081DFBF0
+_081DFC50:
+	bl StopFlashTimer
+	mov r0, r8
+	pop {r3,r4}
+	mov r8, r3
+	mov r9, r4
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end PollingSR_COMMON
+
+	thumb_func_start EraseFlashChip
+EraseFlashChip: ; 81DFC64
+	push {r4-r6,lr}
+	sub sp, 0x40
+	ldr r5, =0x04000204
+	ldrh r1, [r5]
+	ldr r6, =0x0000fffc
+	ands r1, r6
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldrh r0, [r0, 0x10]
+	orrs r1, r0
+	strh r1, [r5]
+	ldr r1, =0x0e005555
+	movs r4, 0xAA
+	strb r4, [r1]
+	ldr r3, =0x0e002aaa
+	movs r2, 0x55
+	strb r2, [r3]
+	movs r0, 0x80
+	strb r0, [r1]
+	strb r4, [r1]
+	strb r2, [r3]
+	movs r0, 0x10
+	strb r0, [r1]
+	mov r0, sp
+	bl SetReadFlash1
+	ldr r0, =0x03007498
+	movs r1, 0xE0
+	lsls r1, 20
+	ldr r3, [r0]
+	movs r0, 0x3
+	movs r2, 0xFF
+	bl _call_via_r3
+	lsls r0, 16
+	lsrs r0, 16
+	ldrh r1, [r5]
+	ands r1, r6
+	movs r2, 0x3
+	orrs r1, r2
+	strh r1, [r5]
+	add sp, 0x40
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end EraseFlashChip
+
+	thumb_func_start EraseFlashSector
+EraseFlashSector: ; 81DFCD8
+	push {r4-r7,lr}
+	sub sp, 0x40
+	lsls r0, 16
+	lsrs r6, r0, 16
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldrh r0, [r0, 0xA]
+	cmp r6, r0
+	bcc _081DFCF8
+	ldr r0, =0x000080ff
+	b _081DFD98
+	.pool
+_081DFCF8:
+	lsrs r0, r6, 4
+	lsls r0, 24
+	lsrs r0, 24
+	bl SwitchFlashBank
+	movs r0, 0xF
+	ands r6, r0
+	movs r7, 0
+_081DFD08:
+	ldr r3, =0x04000204
+	ldrh r1, [r3]
+	ldr r0, =0x0000fffc
+	ands r1, r0
+	ldr r0, =0x030074A0
+	ldr r2, [r0]
+	ldrh r0, [r2, 0x10]
+	orrs r1, r0
+	strh r1, [r3]
+	ldrb r4, [r2, 0x8]
+	adds r0, r6, 0
+	lsls r0, r4
+	adds r4, r0, 0
+	movs r0, 0xE0
+	lsls r0, 20
+	adds r4, r0
+	ldr r1, =0x0e005555
+	movs r5, 0xAA
+	strb r5, [r1]
+	ldr r3, =0x0e002aaa
+	movs r2, 0x55
+	strb r2, [r3]
+	movs r0, 0x80
+	strb r0, [r1]
+	strb r5, [r1]
+	strb r2, [r3]
+	movs r0, 0x30
+	strb r0, [r4]
+	mov r0, sp
+	bl SetReadFlash1
+	ldr r0, =0x03007498
+	ldr r3, [r0]
+	movs r0, 0x2
+	adds r1, r4, 0
+	movs r2, 0xFF
+	bl _call_via_r3
+	lsls r0, 16
+	lsrs r3, r0, 16
+	movs r0, 0xA0
+	lsls r0, 8
+	ands r0, r3
+	cmp r0, 0
+	beq _081DFD88
+	cmp r7, 0x3
+	bhi _081DFD88
+	adds r0, r7, 0x1
+	lsls r0, 16
+	lsrs r7, r0, 16
+	b _081DFD08
+	.pool
+_081DFD88:
+	ldr r2, =0x04000204
+	ldrh r0, [r2]
+	ldr r1, =0x0000fffc
+	ands r0, r1
+	movs r1, 0x3
+	orrs r0, r1
+	strh r0, [r2]
+	adds r0, r3, 0
+_081DFD98:
+	add sp, 0x40
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end EraseFlashSector
+
+	thumb_func_start ProgramFlashByte
+ProgramFlashByte: ; 81DFDA8
+	push {r4-r7,lr}
+	sub sp, 0x40
+	adds r6, r1, 0
+	lsls r1, r0, 16
+	lsrs r4, r1, 16
+	lsls r2, 24
+	lsrs r7, r2, 24
+	ldr r5, =0x030074A0
+	ldr r0, [r5]
+	ldr r0, [r0, 0x4]
+	cmp r6, r0
+	bcs _081DFE30
+	lsrs r0, r1, 20
+	lsls r0, 24
+	lsrs r0, 24
+	bl SwitchFlashBank
+	movs r0, 0xF
+	ldr r1, [r5]
+	ands r4, r0
+	ldrb r1, [r1, 0x8]
+	lsls r4, r1
+	movs r1, 0xE0
+	lsls r1, 20
+	adds r0, r6, r1
+	adds r4, r0
+	mov r0, sp
+	bl SetReadFlash1
+	ldr r2, =0x04000204
+	ldrh r0, [r2]
+	ldr r1, =0x0000fffc
+	ands r0, r1
+	ldr r1, [r5]
+	ldrh r1, [r1, 0x10]
+	orrs r0, r1
+	strh r0, [r2]
+	ldr r2, =0x0e005555
+	movs r0, 0xAA
+	strb r0, [r2]
+	ldr r1, =0x0e002aaa
+	movs r0, 0x55
+	strb r0, [r1]
+	movs r0, 0xA0
+	strb r0, [r2]
+	strb r7, [r4]
+	ldr r0, =0x03007498
+	ldr r3, [r0]
+	movs r0, 0x1
+	adds r1, r4, 0
+	adds r2, r7, 0
+	bl _call_via_r3
+	lsls r0, 16
+	lsrs r0, 16
+	b _081DFE34
+	.pool
+_081DFE30:
+	movs r0, 0x80
+	lsls r0, 8
+_081DFE34:
+	add sp, 0x40
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end ProgramFlashByte
+
+	thumb_func_start ProgramFlashByteInternal
+ProgramFlashByteInternal: ; 81DFE3C
+	push {r4,lr}
+	ldr r4, =0x0e005555
+	movs r2, 0xAA
+	strb r2, [r4]
+	ldr r3, =0x0e002aaa
+	movs r2, 0x55
+	strb r2, [r3]
+	movs r2, 0xA0
+	strb r2, [r4]
+	ldrb r2, [r0]
+	strb r2, [r1]
+	ldr r3, =0x03007498
+	ldrb r2, [r0]
+	ldr r3, [r3]
+	movs r0, 0x1
+	bl _call_via_r3
+	lsls r0, 16
+	lsrs r0, 16
+	pop {r4}
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end ProgramFlashByteInternal
+
+	thumb_func_start ProgramFlashSector
+ProgramFlashSector: ; 81DFE74
+	push {r4-r7,lr}
+	sub sp, 0x40
+	adds r7, r1, 0
+	lsls r0, 16
+	lsrs r4, r0, 16
+	ldr r0, =0x030074A0
+	ldr r0, [r0]
+	ldrh r0, [r0, 0xA]
+	cmp r4, r0
+	bcc _081DFE94
+	ldr r0, =0x000080ff
+	b _081DFF0E
+	.pool
+_081DFE94:
+	adds r0, r4, 0
+	bl EraseFlashSector
+	lsls r0, 16
+	lsrs r5, r0, 16
+	cmp r5, 0
+	bne _081DFF0C
+	lsrs r0, r4, 4
+	lsls r0, 24
+	lsrs r0, 24
+	bl SwitchFlashBank
+	movs r0, 0xF
+	ands r4, r0
+	mov r0, sp
+	bl SetReadFlash1
+	ldr r3, =0x04000204
+	ldrh r1, [r3]
+	ldr r0, =0x0000fffc
+	ands r1, r0
+	ldr r0, =0x030074A0
+	ldr r2, [r0]
+	ldrh r0, [r2, 0x10]
+	orrs r1, r0
+	strh r1, [r3]
+	ldr r1, =0x030074A8
+	ldr r0, [r2, 0x4]
+	strh r0, [r1]
+	ldrb r0, [r2, 0x8]
+	lsls r4, r0
+	movs r0, 0xE0
+	lsls r0, 20
+	adds r4, r0
+	adds r6, r1, 0
+	b _081DFEF6
+	.pool
+_081DFEEC:
+	ldrh r0, [r6]
+	subs r0, 0x1
+	strh r0, [r6]
+	adds r7, 0x1
+	adds r4, 0x1
+_081DFEF6:
+	ldrh r0, [r6]
+	cmp r0, 0
+	beq _081DFF0C
+	adds r0, r7, 0
+	adds r1, r4, 0
+	bl ProgramFlashByteInternal
+	lsls r0, 16
+	lsrs r5, r0, 16
+	cmp r5, 0
+	beq _081DFEEC
+_081DFF0C:
+	adds r0, r5, 0
+_081DFF0E:
+	add sp, 0x40
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end ProgramFlashSector