1 files changed, 159 insertions, 0 deletions
diff --git a/arm9/asm/NNS_FND_expheap_s.s b/arm9/asm/NNS_FND_expheap_s.s
new file mode 100644
index 00000000..d4d958db
--- /dev/null
+++ b/arm9/asm/NNS_FND_expheap_s.s
@@ -0,0 +1,159 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+	.extern NNSi_FndInitHeapHead
+	.extern NNSi_FndFinalizeHeap
+	.extern GetRegionOfMBlock
+	.extern RemoveMBlock
+	.extern InsertMBlock
+	.extern InitMBlock
+	.extern InitExpHeap
+	.extern AllocUsedBlockFromFreeBlock
+	.extern AllocFromHead
+	.extern AllocFromTail
+	.extern RecycleRegion
+	.text
+
+	arm_func_start NNS_FndGetSizeForMBlockExpHeap
+NNS_FndGetSizeForMBlockExpHeap: ; 0x020ADDC0
+	ldr r0, [r0, #-0xc]
+	bx lr
+	arm_func_end NNS_FndGetSizeForMBlockExpHeap
+
+	arm_func_start NNS_FndGetTotalFreeSizeForExpHeap
+NNS_FndGetTotalFreeSizeForExpHeap: ; 0x020ADDC8
+	ldr r2, [r0, #0x24]
+	mov r0, #0x0
+	cmp r2, #0x0
+	bxeq lr
+_020ADDD8:
+	ldr r1, [r2, #0x4]
+	ldr r2, [r2, #0xc]
+	add r0, r0, r1
+	cmp r2, #0x0
+	bne _020ADDD8
+	bx lr
+	arm_func_end NNS_FndGetTotalFreeSizeForExpHeap
+
+	arm_func_start NNS_FndFreeToExpHeap
+NNS_FndFreeToExpHeap: ; 0x020ADDF0
+	stmdb sp!, {r4-r5,lr}
+	sub sp, sp, #0xc
+	sub r4, r1, #0x10
+	add r5, r0, #0x24
+	add r0, sp, #0x0
+	mov r1, r4
+	bl GetRegionOfMBlock
+	mov r1, r4
+	add r0, r5, #0x8
+	bl RemoveMBlock
+	add r1, sp, #0x0
+	mov r0, r5
+	bl RecycleRegion
+	add sp, sp, #0xc
+	ldmia sp!, {r4-r5,pc}
+	arm_func_end NNS_FndFreeToExpHeap
+
+	arm_func_start NNS_FndResizeForMBlockExpHeap
+NNS_FndResizeForMBlockExpHeap: ; 0x020ADE2C
+	stmdb sp!, {r4-r10,lr}
+	sub sp, sp, #0x10
+	mov r4, r1
+	mov r10, r2
+	sub r6, r4, #0x10
+	add r1, r10, #0x3
+	mov r5, r0
+	ldr r8, [r6, #0x4]
+	bic r10, r1, #0x3
+	cmp r10, r8
+	add r7, r5, #0x24
+	addeq sp, sp, #0x10
+	moveq r0, r10
+	ldmeqia sp!, {r4-r10,pc}
+	cmp r10, r8
+	bls _020ADF60
+	ldr r9, [r7, #0x0]
+	add r0, r6, #0x10
+	cmp r9, #0x0
+	add r0, r8, r0
+	beq _020ADE94
+_020ADE80:
+	cmp r9, r0
+	beq _020ADE94
+	ldr r9, [r9, #0xc]
+	cmp r9, #0x0
+	bne _020ADE80
+_020ADE94:
+	cmp r9, #0x0
+	beq _020ADEB0
+	ldr r0, [r9, #0x4]
+	add r1, r8, #0x10
+	add r0, r1, r0
+	cmp r10, r0
+	bls _020ADEBC
+_020ADEB0:
+	add sp, sp, #0x10
+	mov r0, #0x0
+	ldmia sp!, {r4-r10,pc}
+_020ADEBC:
+	add r0, sp, #0x0
+	mov r1, r9
+	bl GetRegionOfMBlock
+	mov r0, r7
+	mov r1, r9
+	bl RemoveMBlock
+	ldr r2, [sp, #0x4]
+	add r3, r10, r4
+	ldr r9, [sp, #0x0]
+	sub r1, r2, r3
+	str r3, [sp, #0x0]
+	cmp r1, #0x10
+	strcc r2, [sp, #0x0]
+	mov r8, r0
+	ldr r0, [sp, #0x0]
+	sub r0, r0, r4
+	str r0, [r6, #0x4]
+	ldr r1, [sp, #0x4]
+	ldr r0, [sp, #0x0]
+	sub r0, r1, r0
+	cmp r0, #0x10
+	blo _020ADF30
+	ldr r1, _020ADF9C ; =0x00004652
+	add r0, sp, #0x0
+	bl InitMBlock
+	mov r1, r0
+	mov r0, r7
+	mov r2, r8
+	bl InsertMBlock
+_020ADF30:
+	ldr r0, [r5, #0x20]
+	ldr r1, [sp, #0x0]
+	and r0, r0, #0xff
+	mov r0, r0, lsl #0x10
+	mov r0, r0, lsr #0x10
+	sub r2, r1, r9
+	ands r0, r0, #0x1
+	beq _020ADF90
+	mov r1, r9
+	mov r0, #0x0
+	bl MIi_CpuClear32
+	b _020ADF90
+_020ADF60:
+	add r0, r10, r4
+	str r0, [sp, #0x8]
+	ldr r1, [r6, #0x4]
+	add r0, r6, #0x10
+	add r0, r1, r0
+	str r0, [sp, #0xc]
+	add r1, sp, #0x8
+	mov r0, r7
+	str r10, [r6, #0x4]
+	bl RecycleRegion
+	cmp r0, #0x0
+	streq r8, [r6, #0x4]
+_020ADF90:
+	ldr r0, [r6, #0x4]
+	add sp, sp, #0x10
+	ldmia sp!, {r4-r10,pc}
+	.balign 4
+_020ADF9C: .word 0x00004652
+	arm_func_end NNS_FndResizeForMBlockExpHeap