1 files changed, 112 insertions, 0 deletions
diff --git a/arm9/asm/NNS_FND_heapcommon.s b/arm9/asm/NNS_FND_heapcommon.s
new file mode 100644
index 00000000..ca3108d2
--- /dev/null
+++ b/arm9/asm/NNS_FND_heapcommon.s
@@ -0,0 +1,112 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+
+	.section .bss
+
+	.global sRootListInitialized
+sRootListInitialized: ; 0x021CCD38
+	.space 0x4
+
+	.global sRootList
+sRootList: ; 0x021CCD3C
+	.space 0xc
+	.text
+
+	arm_func_start NNSi_FndFinalizeHeap
+NNSi_FndFinalizeHeap: ; 0x020ADC8C
+	stmdb sp!, {r4,lr}
+	mov r4, r0
+	bl FindListContainHeap
+	mov r1, r4
+	bl NNS_FndRemoveListObject
+	ldmia sp!, {r4,pc}
+	arm_func_end NNSi_FndFinalizeHeap
+
+	arm_func_start NNSi_FndInitHeapHead
+NNSi_FndInitHeapHead:
+	stmdb sp!, {r4,lr}
+	mov r4, r0
+	str r1, [r4, #0x0]
+	str r2, [r4, #0x18]
+	str r3, [r4, #0x1c]
+	mov r0, #0x0
+	str r0, [r4, #0x20]
+	ldr r1, [r4, #0x20]
+	ldrh r0, [sp, #0x8]
+	bic r1, r1, #0xff
+	str r1, [r4, #0x20]
+	ldr r1, [r4, #0x20]
+	and r0, r0, #0xff
+	orr r2, r1, r0
+	add r0, r4, #0xc
+	mov r1, #0x4
+	str r2, [r4, #0x20]
+	bl NNS_FndInitList
+	ldr r0, _020ADD28 ; =sRootListInitialized
+	ldr r0, [r0, #0x0]
+	cmp r0, #0x0
+	bne _020ADD14
+	ldr r0, _020ADD2C ; =sRootList
+	mov r1, #0x4
+	bl NNS_FndInitList
+	ldr r0, _020ADD28 ; =sRootListInitialized
+	mov r1, #0x1
+	str r1, [r0, #0x0]
+_020ADD14:
+	mov r0, r4
+	bl FindListContainHeap
+	mov r1, r4
+	bl NNS_FndAppendListObject
+	ldmia sp!, {r4,pc}
+	.balign 4
+_020ADD28: .word sRootListInitialized
+_020ADD2C: .word sRootList
+	arm_func_end NNSi_FndInitHeapHead
+
+	arm_func_start FindListContainHeap
+FindListContainHeap: ; 0x020ADD30
+	stmdb sp!, {r4,lr}
+	ldr r4, _020ADD54 ; =sRootList
+	mov r1, r0
+	mov r0, r4
+	bl FindContainHeap
+	cmp r0, #0x0
+	addne r4, r0, #0xc
+	mov r0, r4
+	ldmia sp!, {r4,pc}
+	.balign 4
+_020ADD54: .word sRootList
+	arm_func_end FindListContainHeap
+
+	arm_func_start FindContainHeap
+FindContainHeap:
+	stmdb sp!, {r4-r6,lr}
+	mov r5, r1
+	mov r1, #0x0
+	mov r6, r0
+	bl NNS_FndGetNextListObject
+	movs r4, r0
+	beq _020ADDB8
+_020ADD74:
+	ldr r0, [r4, #0x18]
+	cmp r0, r5
+	bhi _020ADDA4
+	ldr r0, [r4, #0x1c]
+	cmp r5, r0
+	bhs _020ADDA4
+	mov r1, r5
+	add r0, r4, #0xc
+	bl FindContainHeap
+	cmp r0, #0x0
+	moveq r0, r4
+	ldmia sp!, {r4-r6,pc}
+_020ADDA4:
+	mov r0, r6
+	mov r1, r4
+	bl NNS_FndGetNextListObject
+	movs r4, r0
+	bne _020ADD74
+_020ADDB8:
+	mov r0, #0x0
+	ldmia sp!, {r4-r6,pc}
+	arm_func_end FindContainHeap