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PM0044 数据表(PDF) 116 Page - STMicroelectronics

部件名 PM0044
功能描述  STM8 CPU programming manual
PDF  162 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM0044 数据表(HTML) 116 Page - STMicroelectronics

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STM8 instruction set
PM0044
116/162
Doc ID 13590 Rev 3
Syntax
LDF dst,src
e.g. LDF A,($555555,X)
Operation
dst <= src
Description
Load the destination byte with the source byte. The dst and src can be a
memory location or accumulator register.
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: LD, CALLF
LDF
Load Far
LDF
mnem
dst
src
Affected condition flags
VI1
H
I0
N
Z
C
LDF
A
Mem
-
-
-
-
N
Z
-
LDF
Mem
A
-
-
-
-
N
Z
-
dst
src
Asm
cy
lgth
Op-code(s)
ST7
A
extmem
LDF A, $500000
1
4
BC
ExtB
MS
LS
A
(extoff,X)
LDF A,($500000,X)
1
4
AF
ExtB
MS
LS
A
(extoff,Y)
LDF A,($500000,Y)
1
5
90
AF
ExtB
MS
LS
A
([longptr.e],X) LDF A,([$5000.e],X)
5
4
92
AF
MS
LS
A
([longptr.e],Y) LDF A,([$5000.e],Y)
5
4
91
AF
MS
LS
A
[longptr.e]
LDF A,[$5000.e]
5
4
92
BC
MS
LS
dst
src
Asm
cy
lgth
Op-code(s)
ST7
extmem
A
LDF $500000,A
1
4
BD
ExtB
MS
LS
(extoff,X)
A
LDF ($500000,X),A
1
4
A7
ExtB
MS
LS
(extoff,Y)
A
LDF ($500000,Y),A
1
5
90
A7
ExtB
MS
LS
([longptr.e],X)
A
LDF ([$5000.e],X),A
4
4
92
A7
MS
LS
([longptr.e],Y)
A
LDF ([$5000.e],Y),A
4
4
91
A7
MS
LS
[longptr.e]
A
LDF [$5000.e],A
4
4
92
BD
MS
LS



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