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HCS12 데이터시트(PDF) 236 Page - Freescale Semiconductor, Inc

부품명 HCS12
상세설명  HCS12 Microcontrollers
PDF  452 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

HCS12 데이터시트(HTML) 236 Page - Freescale Semiconductor, Inc

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Instruction Glossary
S12CPUV2 Reference Manual, Rev. 4.0
236
Freescale Semiconductor
Operation:
(M1) ⇒ M2
Description:
Moves the content of one memory location to another memory location. The
content of the source memory location is not changed.
Move instructions use separate addressing modes to access the source and
destination of a move. The following combinations of addressing modes are
supported: IMM–EXT, IMM–IDX, EXT–EXT, EXT–IDX, IDX–EXT, and
IDX–IDX. IDX operands allow indexed addressing mode specifications that
fit in a single postbyte including 5-bit constant, accumulator offsets, and
auto increment/decrement modes. Nine-bit and 16-bit constant offsets
would require additional extension bytes and are not allowed. Indexed
indirect modes (for example [D,r]) are also not allowed.
There are special considerations when using PC-relative addressing with
move instructions. These are discussed in 3.10 Instructions Using
Multiple Modes.
MOVB
Move a Byte of Data
from One Memory Location to Another
MOVB
CCR Details:
S
X
HIN
Z
V
C
––––––––
Source Form(1)
1. The first operand in the source code statement specifies the source for the move.
Address
Mode
Object Code
Access Detail
HCS12
M68HC12
MOVB #opr8, opr16a
MOVB #opr8i, oprx0_xysp
MOVB opr16a, opr16a
MOVB opr16a, oprx0_xysp
MOVB oprx0_xysp, opr16a
MOVB oprx0_xysp, oprx0_xysp
IMM–EXT
IMM–IDX
EXT–EXT
EXT–IDX
IDX–EXT
IDX–IDX
18 0B ii hh ll
18 08 xb ii
18 0C hh ll hh ll
18 09 xb hh ll
18 0D xb hh ll
18 0A xb xb
OPwP
OPwO
OrPwPO
OPrPw
OrPwP
OrPwO
OPwP
OPwO
OrPwPO
OPrPw
OrPwP
OrPwO



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