1 files changed, 246 insertions, 0 deletions
diff --git a/arm9/asm/FS_rom.s b/arm9/asm/FS_rom.s
new file mode 100644
index 00000000..61a7c521
--- /dev/null
+++ b/arm9/asm/FS_rom.s
@@ -0,0 +1,246 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+	.section .text
+
+	arm_func_start FS_TryLoadTable
+FS_TryLoadTable: ; 0x020D1D10
+	ldr ip, _020D1D28 ; =FUN_020D0D84
+	mov r3, r0
+	mov r2, r1
+	ldr r0, _020D1D2C ; =0x021D5414
+	mov r1, r3
+	bx r12
+	.balign 4
+_020D1D28: .word FUN_020D0D84
+_020D1D2C: .word 0x021D5414
+
+	arm_func_start FS_SetDefaultDMA
+FS_SetDefaultDMA: ; 0x020D1D30
+	stmdb sp!, {r4-r6,lr}
+	mov r6, r0
+	bl OS_DisableInterrupts
+	mov r5, r0
+	ldr r1, _020D1D7C ; =0x021D5400
+	ldr r0, _020D1D80 ; =0x021D5414
+	ldr r4, [r1, #0x0]
+	bl FS_SuspendArchive
+	ldr r1, _020D1D7C ; =0x021D5400
+	cmp r0, #0x0
+	str r6, [r1, #0x0]
+	beq _020D1D68
+	ldr r0, _020D1D80 ; =0x021D5414
+	bl FS_ResumeArchive
+_020D1D68:
+	mov r0, r5
+	bl OS_RestoreInterrupts
+	mov r0, r4
+	ldmia sp!, {r4-r6,lr}
+	bx lr
+	.balign 4
+_020D1D7C: .word 0x021D5400
+_020D1D80: .word 0x021D5414
+
+	arm_func_start FSi_InitRom
+FSi_InitRom: ; 0x020D1D84
+	stmdb sp!, {r4-r5,lr}
+	sub sp, sp, #0x14
+	ldr r1, _020D1EE8 ; =0x021D5400
+	str r0, [r1, #0x0]
+	bl OS_GetLockID
+	ldr r3, _020D1EEC ; =0x021D53FC
+	ldr r2, _020D1EF0 ; =0x021D5404
+	mov r12, #0x0
+	ldr r1, _020D1EF4 ; =0x021D540C
+	str r0, [r3, #0x0]
+	str r12, [r2, #0x0]
+	str r12, [r2, #0x4]
+	str r12, [r1, #0x0]
+	str r12, [r1, #0x4]
+	bl CARD_Init
+	ldr r0, _020D1EF8 ; =0x021D5414
+	bl FS_InitArchive
+	ldr r0, _020D1EF8 ; =0x021D5414
+	ldr r1, _020D1EFC ; =0x02106830
+	mov r2, #0x3
+	bl FS_RegisterArchiveName
+	ldr r0, _020D1F00 ; =0x027FFC40
+	ldrh r0, [r0, #0x0]
+	cmp r0, #0x2
+	bne _020D1E4C
+	ldr ip, _020D1EF0 ; =0x021D5404
+	mvn r2, #0x0
+	ldr r3, _020D1EF4 ; =0x021D540C
+	mov lr, #0x0
+	ldr r0, _020D1EF8 ; =0x021D5414
+	ldr r1, _020D1F04 ; =FSi_EmptyArchiveProc
+	str r2, [r12, #0x0]
+	str lr, [r12, #0x4]
+	str r2, [r3, #0x0]
+	str lr, [r3, #0x4]
+	bl FS_SetArchiveProc
+	mov r1, #0x0
+	str r1, [sp, #0x0]
+	ldr r0, _020D1F08 ; =FSi_ReadDummyCallback
+	str r1, [sp, #0x4]
+	str r0, [sp, #0x8]
+	ldr ip, _020D1F0C ; =FSi_WriteDummyCallback
+	ldr r0, _020D1EF8 ; =0x021D5414
+	mov r2, r1
+	mov r3, r1
+	str r12, [sp, #0xc]
+	bl FS_LoadArchive
+	add sp, sp, #0x14
+	ldmia sp!, {r4-r5,lr}
+	bx lr
+_020D1E4C:
+	ldr r5, _020D1F10 ; =0x027FFE40
+	ldr r0, _020D1EF8 ; =0x021D5414
+	ldr r1, _020D1F14 ; =FSi_RomArchiveProc
+	ldr r2, _020D1F18 ; =0x00000602
+	ldr r4, _020D1F1C ; =0x027FFE48
+	bl FS_SetArchiveProc
+	ldr r1, [r5, #0x0]
+	mvn r0, #0x0
+	cmp r1, r0
+	addeq sp, sp, #0x14
+	ldmeqia sp!, {r4-r5,lr}
+	bxeq lr
+	cmp r1, #0x0
+	addeq sp, sp, #0x14
+	ldmeqia sp!, {r4-r5,lr}
+	bxeq lr
+	ldr r2, [r4, #0x0]
+	cmp r2, r0
+	addeq sp, sp, #0x14
+	ldmeqia sp!, {r4-r5,lr}
+	bxeq lr
+	cmp r2, #0x0
+	addeq sp, sp, #0x14
+	ldmeqia sp!, {r4-r5,lr}
+	bxeq lr
+	str r1, [sp, #0x0]
+	ldr r0, [r5, #0x4]
+	ldr r1, _020D1F20 ; =FSi_ReadRomCallback
+	str r0, [sp, #0x4]
+	ldr r0, _020D1F0C ; =FSi_WriteDummyCallback
+	str r1, [sp, #0x8]
+	str r0, [sp, #0xc]
+	ldr r3, [r4, #0x4]
+	ldr r0, _020D1EF8 ; =0x021D5414
+	mov r1, #0x0
+	bl FS_LoadArchive
+	add sp, sp, #0x14
+	ldmia sp!, {r4-r5,lr}
+	bx lr
+	.balign 4
+_020D1EE8: .word 0x021D5400
+_020D1EEC: .word 0x021D53FC
+_020D1EF0: .word 0x021D5404
+_020D1EF4: .word 0x021D540C
+_020D1EF8: .word 0x021D5414
+_020D1EFC: .word 0x02106830
+_020D1F00: .word 0x027FFC40
+_020D1F04: .word FSi_EmptyArchiveProc
+_020D1F08: .word FSi_ReadDummyCallback
+_020D1F0C: .word FSi_WriteDummyCallback
+_020D1F10: .word 0x027FFE40
+_020D1F14: .word FSi_RomArchiveProc
+_020D1F18: .word 0x00000602
+_020D1F1C: .word 0x027FFE48
+_020D1F20: .word FSi_ReadRomCallback
+
+	arm_func_start FSi_EmptyArchiveProc
+FSi_EmptyArchiveProc: ; 0x020D1F24
+	mov r0, #0x4
+	bx lr
+
+	arm_func_start FSi_ReadDummyCallback
+FSi_ReadDummyCallback: ; 0x020D1F2C
+	mov r0, #0x1
+	bx lr
+
+	arm_func_start FSi_RomArchiveProc
+FSi_RomArchiveProc: ; 0x020D1F34
+	stmdb sp!, {lr}
+	sub sp, sp, #0x4
+	cmp r1, #0x1
+	beq _020D1FA0
+	cmp r1, #0x9
+	beq _020D1F58
+	cmp r1, #0xa
+	beq _020D1F7C
+	b _020D1FB0
+_020D1F58:
+	ldr r0, _020D1FC0 ; =0x021D53FC
+	ldr r0, [r0, #0x0]
+	mov r0, r0, lsl #0x10
+	mov r0, r0, lsr #0x10
+	bl CARD_LockRom
+	add sp, sp, #0x4
+	mov r0, #0x0
+	ldmia sp!, {lr}
+	bx lr
+_020D1F7C:
+	ldr r0, _020D1FC0 ; =0x021D53FC
+	ldr r0, [r0, #0x0]
+	mov r0, r0, lsl #0x10
+	mov r0, r0, lsr #0x10
+	bl CARD_UnlockRom
+	add sp, sp, #0x4
+	mov r0, #0x0
+	ldmia sp!, {lr}
+	bx lr
+_020D1FA0:
+	add sp, sp, #0x4
+	mov r0, #0x4
+	ldmia sp!, {lr}
+	bx lr
+_020D1FB0:
+	mov r0, #0x8
+	add sp, sp, #0x4
+	ldmia sp!, {lr}
+	bx lr
+	.balign 4
+_020D1FC0: .word 0x021D53FC
+
+	arm_func_start FSi_WriteDummyCallback
+FSi_WriteDummyCallback: ; 0x020D1FC4
+	mov r0, #0x1
+	bx lr
+
+	arm_func_start FSi_ReadRomCallback
+FSi_ReadRomCallback: ; 0x020D1FCC
+	stmdb sp!, {lr}
+	sub sp, sp, #0xc
+	ldr ip, _020D2010 ; =FSi_OnRomReadDone
+	mov lr, r1
+	str r12, [sp, #0x0]
+	str r0, [sp, #0x4]
+	mov r1, #0x1
+	ldr r0, _020D2014 ; =0x021D5400
+	str r1, [sp, #0x8]
+	mov r1, r2
+	ldr r0, [r0, #0x0]
+	mov r2, lr
+	bl CARDi_ReadRom
+	mov r0, #0x6
+	add sp, sp, #0xc
+	ldmia sp!, {lr}
+	bx lr
+	.balign 4
+_020D2010: .word FSi_OnRomReadDone
+_020D2014: .word 0x021D5400
+
+	arm_func_start FSi_OnRomReadDone
+FSi_OnRomReadDone: ; 0x020D2018
+	stmdb sp!, {r4,lr}
+	mov r4, r0
+	bl CARD_IsPulledOut
+_020D2024:
+	cmp r0, #0x0
+	movne r1, #0x5
+	moveq r1, #0x0
+	mov r0, r4
+	bl FS_NotifyArchiveAsyncEnd
+	ldmia sp!, {r4,lr}
+	bx lr