;int mv2(ch * a, state * b){return c+*a + b->j;}
	.section __TEXT,__text,regular,pure_instructions
	.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
.section __TEXT,__text,regular,pure_instructions
	.align 2
	.globl _mv2
.section __TEXT,__text,regular,pure_instructions
	.align 2
_mv2:
li r6,0
lbz r7,256(r4)
subi r3,r3,1

;out in r3, s in r4, n in r5, i in r6, j in r7
li r5,255
mtctr r5 ; move n to CTR
lp:
addi r6,r6,1
lbzx r0,r4,r6 ; s[i]
add r7,r7,r0   ; j
andi. r7,r7,255
lbzx r5,r4,r7 ; s[j]
stbx r0,r4,r7
stbx r5,r4,r6
add r2,r0,r5
andi. r2,r2,255
lbzx r2,r4,r2
stbu r2,1(r3)
bc 17,0,lp

lbz r0,0(r4) ; s[0]
add r7,r7,r0   ; j
andi. r7,r7,255
lbzx r5,r4,r7 ; s[j]
stbx r0,r4,r7
stb r5,0(r4)
add r2,r0,r5
andi. r2,r2,255
lbzx r2,r4,r2
stbu r2,1(r3)

stb r7,256(r4)
blr