Get OPEN.BIN to RAM 2

00045900: 27bdffe8 addiu r29,r29,0xffe8
00045904: 3c040001 lui r4,0x0001
00045908: 34844ff0 ori r4,r4,0x4ff0            LBA 0x14ff0 OPEN.BIN LBA
0004590c: 3c050003 lui r5,0x0003
00045910: 3c068001 lui r6,0x8001
00045914: 8cc60000 lw r6,0x0000(r6)            open OPEN.BIN into 80067000
00045918: afbf0010 sw r31,0x0010(r29)
0004591c: 0c011255 jal 0x00044954              Get DAT as WD
00045920: 34a56800 ori r5,r5,0x6800            filesize 0x368000
00045924: 0c019c83 jal 0x0006720c
00045928: 00000000 nop
0004592c: 8fbf0010 lw r31,0x0010(r29)
00045930: 27bd0018 addiu r29,r29,0x0018
00045934: 03e00008 jr r31
00045938: 00000000 nop