; bitwise AND
anl a, b

; bitwise OR
orl a, b

; bitwise XOR
xrl a, b

; bitwise NOT
cpl a

; left shift
inc b
rrc a
loop:
rlc a
clr c
djnz b, loop

; right shift
inc b
rlc a
loop:
rrc a
clr c
djnz b, loop

; arithmetic right shift
push 20
inc b
rlc a
mov 20.0, c
loop:
rrc a
mov c, 20.0
djnz b, loop
pop 20

; left rotate
inc b
rr a
loop:
rl a
djnz b, loop

; right rotate
inc b
rl a
loop:
rr a
djnz b, loop