Get vector*matrix from GTE

8001d578: c8800000 lwc2 gtedr00_vxy0,0x0000(r4)
8001d57c: c8810004 lwc2 gtedr01_vz0,0x0004(r4)
8001d580: 00000000 nop
8001d584: 4a480012 mvmva 0x1,0x0,0x0,0x0,0x0
8001d588: e8b90000 swc2 gtedr25_mac1,0x0000(r5)
8001d58c: e8ba0004 swc2 gtedr26_mac2,0x0004(r5)
8001d590: e8bb0008 swc2 gtedr27_mac3,0x0008(r5)
8001d594: 4842f800 cfc2 r2,gtecr31_flag
8001d598: 03e00008 jr r31
8001d59c: acc20000 sw r2,0x0000(r6)