Instructions – Toshiba 6F3B0253 User Manual

Page 111

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6F3B0253

Basic Hardware and Function

109

7. Instructions

Logical operations

FUN

No.

Name

Expression

Function

Steps

Speed

(

µ

s)

Page

048 AND

[ A AND B

C ]

Finds logical AND of A and B,
and stores it in C.

4

5.7

156

050 OR

[ A OR B

C ]

Finds logical OR of A and B,
and stores it in C.

4

5.7

157

052 Exclusive OR

[ A EOR B

C ]

Finds logical exclusive OR of A
and B, and stores it in C.

4

5.7

158

064 Bit test

[ A TEST B ]

Turns ON output if logical AND
of A and B is not 0.

3

5.0

163

Shift operations

FUN

No.

Name

Expression

Function

Steps

Speed

(

µ

s)

Page

068

1 bit shift right

[ SHR1 A ]

Shifts data of A 1 bit to the right
(LSB direction). The carry flag
changes according to the result.

2

6.8

164

069

1 bit shift left

[ SHL1 A ]

Shifts data of A 1 bit to the left
(MSB direction). The carry flag
changes according to the result.

2

6.8

165

070

n bit shift right

[ A SHR n

B ]

Shifts data of A n bits to the
right (LSB direction) and stores
the result in B. The carry flag
changes according to the result.

4

10.2

166

071

n bit shift left

[ A SHL n

B ]

Shifts data of A n bits to the left
(MSB direction) and stores the
result in B. The carry flag
changes according to the result.

4

10.2

167

074

Shift register

D SR Q
S (n)
E A

When shift input (S) comes ON,
shifts the data of specified shift
register 1 bit to the left, and
stores data input (D) state into
A. This operation is enabled
while enable input (E) is ON.
The carry flag changes
according to the result.
Shift register: n devices starting
with device A.

3

65.9 -

76.2

168

075

Bi-directional
shift register

D DSR Q
S (n)
E
L A

When shift input (S) comes ON,
shifts the data of specified shift
register 1 bit to the left or to the
right depending on direction
input (L). This operation is
enabled while enable input (E) is
ON. The carry flag changes
according to the result.
Shift register: n devices starting
with device A.
Direction: Left when L is ON,
right when L is OFF

3

69.0 -

79.3

170

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