Specifications
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7560 Group
11
Table 6 Push and pop instructions of accumulator or processor status register
Accumulator
Processor status register
Push instruction to stack
PHA
PHP
Pop instruction from stack
PLA
PLP
Fig. 9 Register push and pop at interrupt generation and subroutine call
N
o
t
e:
C
o
n
d
i
t
i
o
n
f
o
r
a
c
c
e
p
t
a
n
c
e
o
f
a
n
i
n
t
e
r
r
u
p
t
r
e
q
u
e
s
t
h
e
r
e
E
x
e
c
u
t
e
J
S
R
On-going Routin
e
M
(
S
)(
P
C
H
)
(
S
)
(
S
)
–
1
M
(
S
)(
P
C
L
)
E
x
e
c
u
t
e
R
T
S
(PC
L
)M (S)
(
S
)
(
S
)
–
1
(
S
)
(
S
)
+
1
(
S
)
(
S
)
+
1
(PC
H
)M (S)
S
u
b
r
o
u
t
i
n
e
POP return
address from stack
P
u
s
h
r
e
t
u
r
n
a
d
d
r
e
s
s
o
n
s
t
a
c
k
M (S) (PS)
Execute RTI
(
P
S
)M
(
S
)
(S) (S) – 1
(S) (S) + 1
Interrupt
Service Routine
POP contents of
processor status
register from stack
M
(
S
)(
P
C
H
)
(S)
(
S
)
–
1
M
(
S
)(
P
C
L
)
(S) (S) – 1
(PC
L
)M (S)
(S) (S) + 1
(S) (S) + 1
(
P
C
H
)M
(
S
)
POP return
address
from stack
I
F
l
a
g
i
s
s
e
t
f
r
o
m
“
0
”
t
o
“
1
”
F
e
t
c
h
t
h
e
j
u
m
p
v
e
c
t
o
r
P
u
s
h
r
e
t
u
r
n
a
d
d
r
e
s
s
o
n
s
t
a
c
k
Push contents of processor
status register on stack
Interrupt request
(
N
o
t
e
)
I
n
t
e
r
r
u
p
t
e
n
a
b
l
e
b
i
t
c
o
r
r
e
s
p
o
n
d
i
n
g
t
o
e
a
c
h
i
n
t
e
r
r
u
p
t
s
o
u
r
c
e
i
s
“
1
”
I
n
t
e
r
r
u
p
t
d
i
s
a
b
l
e
f
l
a
g
i
s
“
0
”