00121fc8 - 0012201c

00121fc8: 00042080 sll r4,r4,0x02
00121fcc: 3c018019 lui r1,0x8019
00121fd0: 00240821 addu r1,r1,r4
00121fd4: 8c24d7ac lw r4,-0x2854(r1)
00121fd8: 00000000 nop
00121fdc: 90820000 lbu r2,0x0000(r4)
00121fe0: 2403ffff addiu r3,r0,0xffff
00121fe4: 00021600 sll r2,r2,0x18
00121fe8: 00021603 sra r2,r2,0x18
00121fec: 1043000a beq r2,r3,0x00122018
00121ff0: a4a20000 sh r2,0x0000(r5)
00121ff4: 2406ffff addiu r6,r0,0xffff
00121ff8: 00801821 addu r3,r4,r0
00121ffc: 24630001 addiu r3,r3,0x0001
00122000: 90620000 lbu r2,0x0000(r3)
00122004: 24a50002 addiu r5,r5,0x0002
00122008: 00021600 sll r2,r2,0x18
0012200c: 00021603 sra r2,r2,0x18
00122010: 1446fffa bne r2,r6,0x00121ffc
00122014: a4a20000 sh r2,0x0000(r5)
00122018: 03e00008 jr r31
0012201c: 00000000 nop