455A Datasheet, PDF(107/148 Page) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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455A Datasheet, PDF (107/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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455A Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

TAK2 (Transfer data to Accumulator from register K2)

Instruc-

tion

code

1 0 0 1 0 1 1 0 1 0 2 2 5 A 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (K2)

tion:

Grouping: Input/Output operation

Description: Transfers the contents of key-on wakeup control register

K2 to register A.

TAK3 (Transfer data to Accumulator from register K3)

Instruc-

tion

code

1 0 0 1 0 1 1 0 1 1 2 2 5 B 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (K3)

tion:

Grouping: Input/Output operation

Description: Transfers the contents of key-on wakeup control register

K3 to register A.

TAL1 (Transfer data to Accumulator from register L1)

Instruc-

tion

code

1 0 0 1 0 0 1 0 1 0 2 2 4 A 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (L1)

tion:

Grouping: LCD operation

Description: Transfers the contents of LCD control register L1 to regis-

ter A.

TAM j (Transfer data to Accumulator from Memory)

Instruc-

tion

code

1 0 1 1 0 0 j j j j 2 2 C j 16

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (A) â (M(DP))

tion: (X) â (X)EXOR(j)

j = 0 to 15

Grouping: RAM to register transfer

Description: After transferring the contents of M(DP) to register A, an

exclusive OR operation is performed between register X

and the value j in the immediate field, and stores the result

in register X.

Rev.1.01 Feb 15, 2008 Page 107 of 146

REJ03B0224-0101

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