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6 logical operation instructions, Bin 16-bit 2’s complement ... neg, negp – MITSUBISHI ELECTRIC 700 Series User Manual

Page 173

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168

Application instructions

3.27.6 Logical Operation Instructions :

BIN 16-bit 2’s complement ... NEG, NEGP

Functions

(1) Reverses the sign of the 16-bit data of device specified at

and stores the

result in device specified at

.

(2) Used to reverse the positive sign to the negative sign and vice versa.

Usable Devices

Digit

Designation

Error

Flag

Bit devices

Word (16-bit)

devices

Constants Level

X

Y

M

T

C

D

K

H

N

(M9010,

M9011)

NEG

{

{

{

{

{

{

{

K1 to K4

{

D

2's complement execution commands

NEG

NEGP

Head number of device
which stores data for
which 2’ complement
will be performed

D

D

D

Before
execution

Sign
conversion

After
execution

16 bits