4571 datasheet(100/126 Pages) RENESAS

100 / 126 page

Rev.1.02

May 25, 2007

Page 100 of 124

REJ03B0179-0102

4571 Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

TR1AB

(Transfer data to register R1 from Accumulator and register B)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

11 2 23 F 16

Opera-

tion:

(R17

−R14) ← (B)

(R13

−R10) ← (A)

Grouping:

Input/Output operation

Description: Transfers the contents of register B to the high-order 4 bits

(R17

−R14) of reload register R1, and the contents of regis-

ter A to the low-order 4 bits (R13

−R10) of reload register

R1.

TV1A

(Transfer data to register V1 from Accumulator)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

11 2 03 F 16

Opera-

tion:

(V1)

← (A)

Grouping:

Interrupt operation

Description: Transfers the contents of register A to interrupt control reg-

ister V1.

TV2A

(Transfer data to register V2 from Accumulator)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

011

10 2 03 E 16

Opera-

tion:

(V2)

← (A)

Grouping:

Interrupt operation

Description: Transfers the contents of register A to interrupt control reg-

ister V2.

TW1A

(Transfer data to register W1 from Accumulator)

Instruc-

tion

code

Number of

words

Number of

cycles

Flag CY

Skip condition

000

10 2 20 E 16

Opera-

tion:

(W1)

← (A)

Grouping:

Timer operation

Description: Transfers the contents of register A to timer control register

W1.

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