b, bl, bctr, bctrl,
beq, bne, blr
lwz, stw, lbz, stb,
lhz, sth
(indexed forms supported)
add, addi, subf,
and, or, xor, mr
rlwinm, clrldi
mfspr, mtspr
address, hook, hexcode,
float, string
testExit:
b testExit,
beq testExit, bne testExit