Sharp MZ-80B Owner's Manual page 107

100
Mne monic
CALL nn
CALL cc,nn
RET
RET cc
RET!
RETN
RST p
No. !'o.
.\"o.
Symbo lic
Flags
OP-Code
of of
~I
ofT Comments
Operation
c z
P/ V
s
N H 76 543 210
Bytes
Cycles
States
(SP-l) ~PC
I I
• • • • • •
11 001 101 3
5
17
(SP - 2)~PCt.
~
n
-
PC - nn
~
n
-
If condition cc is fal se
• • • • • •
11 cc 100 3 3 10
If cc is fa lse
continu e, ot herwise
~
n
-
same as CALL nn
~
n
-
3 5 17
lf cc is tru e
PC~, - (SP)
• • • • • •
11 001 001 1
3
10
PCu - (SP + 1)
If
condition cc is fa lse
• • •
•
• •
ll cc 000 1
1 5
lf
cc is false
continue, otherwise
1 3
11
If
cc is true
same as
RET cc
R e turn from
• • • • • •
ll 101 101 2 4 14 000
int errupt
01 001 101 001
Return from non
• • •
•
• •
ll 101 101 2 4 14
010
mas kab le interrupt 01 000 101
011
100
101
110
Ill
(SP - l) ~ PCII
• • • • • •
II t 111 1 3 ll
t
(SP - 2) ~PCt.
000
P C11 - 0
00 1
PC~, ~ P
010
011
100
101
110
11 1
Flag Notation: •
=
flag not affected, 0
=
flag reset, 1
=
flag set, X
=
flag is unknown
t
=
flag is affected according to the result of the operation.
CALL AND RETURN GROUP
TABLE 4 .3-10
Conditi on
NZ
non ze ro
'l zero
NC
non ca rr y
C
carry
PO pa rity odd
I'E parity even
I' sign positive
M
sign negatiH
p
OOH
OSH
10H
IS H
20H
28H
30H
38H