Magical XA * YA

00188858: 27bdffe8 addiu r29,r29,0xffe8
0018885c: afbf0010 sw r31,0x0010(r29)
00188860: 0c061881 jal 0x00186204		Magic_Attack_Up_routine
00188864: 00000000 nop				
00188868: 0c061259 jal 0x00184964		Compat
0018886c: 00000000 nop				
00188870: 0c06195a jal 0x00186568		XA * YA Calculation
00188874: 00000000 nop
00188878: 8fbf0010 lw r31,0x0010(r29)
0018887c: 27bd0018 addiu r29,r29,0x0018
00188880: 03e00008 jr r31
00188884: 00000000 nop