000ff450 - 000ff474

000ff450: 90a70000 lbu r7,0x0000(r5)
000ff454: 00000000 nop
000ff458: a0870000 sb r7,0x0000(r4)
000ff45c: 20840001 addi r4,r4,0x0001
000ff460: 20a50001 addi r5,r5,0x0001
000ff464: 20c6ffff addi r6,r6,-0x0001
000ff468: 14c0fff9 bne r6,r0,0x000ff450
000ff46c: 00000000 nop
000ff470: 03e00008 jr r31
000ff474: 00000000 nop