e
a gd         # c1

t EUOFMIE
r
n 1
a gd         # c2

n -1
a gd         # c3

r
n 1
a gd         # c4

t W+TSREIN
r
n 1
a gd         # c5

t I+RDTVI?
r
n 1
a gd         # c6

n -1
a gd         # c7

q
q

# c1 == ffffff:-1
# c3 == c1
# c4 == c2
# c7 == c5