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PM0044 датащи(PDF) 125 Page - STMicroelectronics

номер детали PM0044
подробное описание детали  STM8 CPU programming manual
PDF  162 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0044 датащи(HTML) 125 Page - STMicroelectronics

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PM0044
STM8 instruction set
Doc ID 13590 Rev 3
125/162
Syntax
OR A,src
e.g. OR A,#%00110101
Operation
A <= A OR src
Description
The source byte, is logically ORed with the contents of the accumulator
and the result is stored in the accumulator. The source is a memory or data
byte.
Truth table
Instruction overview
N
⇒
R7
Set if bit 7 of the result is set (negative value), cleared otherwise.
Z
⇒
R7.R6.R5.R4.R3.R2.R1.R0
Set if the result is zero (0x00), cleared otherwise.
Detailed description
See also: AND, XOR, CPL, NEG
OR
Logical OR
OR
OR
0
1
00
1
11
1
mnem
dst
src
Affected condition flags
VI1
H
I0
N
Z
C
OR
A
Mem
--
--
N
Z
-
dst
src
Asm
cy
lgth
Op-code(s)
ST7
A
#byte
OR A,#$55
1
2
AA
XX
✗
A
shortmem
OR A,$10
1
2
BA
XX
✗
A
longmem
OR A,$1000
1
3
CA
MS
LS
✗
A
(X)
OR A,(X)
1
1
FA
✗
A
(shortoff,X)
OR A,($10,X)
1
2
EA
XX
✗
A
(longoff,X)
OR A,($1000,X)
1
3
DA
MS
LS
✗
A
(Y)
OR A,(Y)
1
2
90
FA
✗
A
(shortoff,Y)
OR A,($10,Y)
1
3
90
EA
XX
✗
A
(longoff,Y)
OR A,($1000,Y)
1
4
90
DA
MS
LS
✗
A
(shortoff,SP)
OR A,($10,SP)
1
2
1A
XX
A
[shortptr.w]
OR A,[$10.w]
4
3
92
CA
XX
✗
A
[longptr.w]
OR A,[$1000.w]
4
4
72
CA
MS
LS
A
([shortptr.w],X)
OR A,([$10.w],X)
4
3
92
DA
XX
✗
A
([longptr.w],X)
OR A,([$1000.w],X)
4
4
72
DA
MS
LS
A
([shortptr.w],Y)
OR A,([$1000],Y)
4
3
91
DA
XX
✗



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