1 files changed, 42 insertions, 0 deletions
diff --git a/arm9/asm/libcp.s b/arm9/asm/libcp.s
new file mode 100644
index 00000000..c756e8e2
--- /dev/null
+++ b/arm9/asm/libcp.s
@@ -0,0 +1,42 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+	.section .text
+
+	arm_func_start CP_SaveContext
+CP_SaveContext: ; 0x020D3648
+	ldr r1, _020D3684 ; =0x04000290
+	stmdb sp!, {r4}
+	ldmia r1, {r2-r4,r12}
+	stmia r0!, {r2-r4,r12}
+	ldrh r12, [r1, #-0x10]
+	add r1, r1, #0x28
+	ldmia r1, {r2-r3}
+	stmia r0!, {r2-r3}
+	and r12, r12, #0x3
+	ldrh r2, [r1, #-0x8]
+	strh r12, [r0, #0x0]
+	and r2, r2, #0x1
+	strh r2, [r0, #0x2]
+	ldmia sp!, {r4}
+	bx lr
+	.balign 4
+_020D3684: .word 0x04000290
+
+	arm_func_start CP_RestoreContext
+CP_RestoreContext: ; 0x020D3688
+	stmdb sp!, {r4}
+	ldr r1, _020D36C0 ; =0x04000290
+	ldmia r0, {r2-r4,r12}
+	stmia r1, {r2-r4,r12}
+	ldrh r2, [r0, #0x18]
+	ldrh r3, [r0, #0x1a]
+	strh r2, [r1, #-0x10]
+	strh r3, [r1, #0x20]
+	add r0, r0, #0x10
+	add r1, r1, #0x28
+	ldmia r0, {r2-r3}
+	stmia r1, {r2-r3}
+	ldmia sp!, {r4}
+	bx lr
+	.balign 4
+_020D36C0: .word 0x04000290