HCS12 datasheet(107/452 Pages) FREESCALE

107 / 452 page

S12CPUV2 Reference Manual, Rev. 4.0

Freescale Semiconductor

107

Operation:

(A : B) + (M : M+1)

⇒ A : B

Description:

Adds the content of memory location M concatenated with the content of

memory location M

+1 to the content of double accumulator D and places

the result in D. Accumulator A forms the high-order half of 16-bit double

accumulator D; accumulator B forms the low-order half.

ADDD

Add Double Accumulator

ADDD

CCR Details:

HIN

––––

∆∆∆∆

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

Z: Set if result is $0000; cleared otherwise

V: D15

• M15 • R15 + D15 • M15 • R15

Set if two’s complement overflow resulted from the operation;

cleared otherwise

C: D15

• M15 + M15 • R15 + R15 • D15

Set if there was a carry from the MSB of the result; cleared

otherwise

Source Form

Address

Mode

Object Code

Access Detail

HCS12

M68HC12

ADDD #opr16i

ADDD opr8a

ADDD opr16a

ADDD oprx0_xysp

ADDD oprx9,xysp

ADDD oprx16,xysp

ADDD [D,xysp]

ADDD [oprx16,xysp]

IMM

DIR

EXT

IDX

IDX1

IDX2

[D,IDX]

[IDX2]

C3 jj kk

D3 dd

F3 hh ll

E3 xb

E3 xb ff

E3 xb ee ff

E3 xb

E3 xb ee ff

RPf

RPO

RPf

RPO

fRPP

fIfRPF

fIPRPf

RfP

ROP

RfP

RPO

fRPP

fIfRfP

fIPRfP

HCS12 Datasheet(PDF) 107 Page - Freescale Semiconductor, Inc

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