HCS12 datasheet(216/452 Pages) FREESCALE

216 / 452 page

Instruction Glossary

S12CPUV2 Reference Manual, Rev. 4.0

216

Freescale Semiconductor

Operation:

(M : M+1)

⇒ A : B

Description:

Loads the contents of memory locations M and M

+1 into double

accumulator D. The condition codes are set according to the data. The

information from M is loaded into accumulator A, and the information from

+1 is loaded into accumulator B.

LDD

Load Double Accumulator

LDD

CCR Details:

HIN

––––

∆∆

–

N: Set if MSB of result is set; cleared otherwise

Z: Set if result is $0000; cleared otherwise

V: 0; cleared

Source Form

Address

Mode

Object Code

Access Detail

HCS12

M68HC12

LDD #opr16i

LDD opr8a

LDD opr16a

LDD oprx0_xysp

LDD oprx9,xysp

LDD oprx16,xysp

LDD [D,xysp]

LDD [oprx16,xysp]

IMM

DIR

EXT

IDX

IDX1

IDX2

[D,IDX]

[IDX2]

CC jj kk

DC dd

FC hh ll

EC xb

EC xb ff

EC xb ee ff

EC xb

EC xb ee ff

RPf

RPO

RPf

RPO

fRPP

fIfRPf

fIPRPf

RfP

ROP

RfP

RPO

fRPP

fIfRfP

fIPRfP

HCS12 Datasheet(PDF) 216 Page - Freescale Semiconductor, Inc

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