Sharp MZ-800 Technical Reference And User's Guide

--- 8-Bit Arithmetic and logical Group---
flags
opcode
~0. :-lo.
mnemonic
operation
bytes
of :\1
ofT
comments
c z
p V
s N H 76 543
210
cycles cycles
ADD A,r
A<-A+r
t
t
V
t
0
t
10 [QQQ] r
1 1
4 r
reg-ister
ADD A,n
A<-A +n
t
t
V
t
0
t
11 1000! 110 2 2
7
000
B
<--
n
-->
001
c
ADD A,(HL)
A<-A+(HL)
t t
V
t
0
t
10 [OOo! llO
1 2
7
010
D
ADD A,(IX+d) A •-A +(IX +d)
t
t
V
t
0
t
11 011 101
3 5 19
011
E
10 [QQQ] 110
100
H
<--
d
-->
101
L
ADD A,(IY +d)
A<-A+(IY+d)
t
t
V
t
0
111
A
t
11 111 101
3 5
19
10 ~ 110
<--
d
-->
ADC A,s A<-A+s+CY
t
t
V
t
0
t
[QQ!]
The s operand is any of r.
SUB s
A<-A-s
t
t
V
t
1
t
lliQl
n, (HL), (IX +d) or (IY ·
SBC A,s
A<-A-s-CY
t t
V
t
t
[ffi]
d) as defined for the AD ll
1
instruction.
AND s
A<-A /\s
0
t
p
t
0 1
[QQ]
Replace the opcode iooo in
OR s
A
<-A Vs
0
t
p
t
0
0
[ill
ADD with the framed
XOR s
A<-A(:Bs
0
t
p
t
0 0 [lli]
bits.
CP s A-s
t
t
V
t
1
t
[ill]
INC
r
r<-r+1
•
t
V
t
0
t
00 r[QQ]
1
1
4
INC
(HL) (HL)<-(HL) + 1
•
t
V
t
0
t
00 110 [QQ]
1
3
11
INC
(IX +d)
(IX +d)..._
•
t
V
t
0
t
11 011 101
3 6 23
(IX +d)+l
00 110 [QQ]
<--
d
-->
INC (IY +d)
(IY +d)..._
•
t
V
t
0
t
11 111 101
3
6
23
(IY+d)+l
00 110 !!QQ]
<--
d
-->
DEC m
m<--m-1
•
t
V
t
1
t
ltOil
The m operand is any of
r, (HL), (IX
-r d) or (IY ·
d) as defined for the 1\" ('
instruction.
The opcode is the same as
the INC's except [!QQJ
changes to [IQ!].
146

Sharp MZ-800 Specifications

General

Brand	Sharp
Model	MZ-800
Category	Desktop
Language	English