4502 datasheet(83/116 Pages) RENESAS

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4502 Group

Rev.3.01

2005.02.02

page 83 of 112

REJ03B0105-0301

TBA (Transfer data to register B from Accumulator)

0000001110

00E

–

Grouping:

Description: Transfers the contents of register A to regis-

ter B.

TDA (Transfer data to register D from Accumulator)

0000101001

029

–

Grouping:

Description: Transfers the contents of the low-order 3

bits (A2–A0) of register A to register D.

Operation:

(DR2–DR0)

← (A2–A0)

TEAB (Transfer data to register E from Accumulator and register B)

0000011010

01A

–

Grouping:

Description: Transfers the contents of register B to the

high-order 4 bits (E3–E0) of register E, and

the contents of register A to the low-order 4

bits (E3–E0) of register E.

Operation:

(E7–E4)

← (B)

(E3–E0)

← (A)

Operation:

(B)

← (A)

TAZ (Transfer data to Accumulator from register Z)

0001010011

053

–

Grouping:

Description: Transfers the contents of register Z to the

low-order 2 bits (A1, A0) of register A.

Note:

After this instruction is executed, “0” is

stored to the high-order 2 bits (A3, A2) of

Operation:

(A1, A0)

← (Z1, Z0)

(A3, A2)

← 0

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

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