Spectravideo MKI, Сервисное – Техническое руководство, Страница: 47 / 134

CPDR
A
-
(H
L)
r
t
X
t
X
r
1
.
11
101
101
HL
�
HL-
1
10
111
001
BC
�
BC-1
Rep
eat
un
til
A
=
(H
L)
or
BC
=
0
NOTES
:
QD
P/
V
fl
ag
is
0
if
th
e
res
u
lt
of
BC-1
=
0,
oth
er
wis
e
P/
V
=
1
GD
Z
fl
ag
is
1
if
A
=
(H
L),
ot
her
wis
e
Z
=
0
ED
2
5
21
B9
2
4
16
If
BC
�
0
A
,!
(H
L}
If
BC
=
0
or
A
=
(H
L}
� �
.
qo