Rotate Map (Counterclockwise?)

0006f174: 27bdffe8 addiu r29,r29,0xffe8
0006f178: 34020001 ori r2,r0,0x0001
0006f17c: afbf0010 sw r31,0x0010(r29)
0006f180: 3c018009 lui r1,0x8009
0006f184: ac2260c8 sw r2,0x60c8(r1)
0006f188: 3c01800e lui r1,0x800e
0006f18c: ac224e88 sw r2,0x4e88(r1)
0006f190: 0c01bc4f jal 0x0006f13c
0006f194: 00000000 nop
0006f198: 8fbf0010 lw r31,0x0010(r29)
0006f19c: 27bd0018 addiu r29,r29,0x0018
0006f1a0: 03e00008 jr r31
0006f1a4: 00000000 nop