4571 Datasheet, PDF(82/126 Page) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4571 Datasheet, PDF (82/126 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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4571 Group

MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)

SBK (Set BanK flag)

Instruc-

tion

code

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

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- p6 â 1 when TABP p instruction is executed.

tion:

Grouping: Other operation

Description: Sets referring data area to pages 64 to 127 when the

TABP p instruction is executed. This instruction is valid

only for the TABP p instruction.

Note:

This instruction cannot be used for the M34571G4/G6.

SC (Set Carry flag)

Instruc-

tion

code

0 0 0 0 0 0 0 1 1 1 2 0 0 7 16

Number of

words

Number of

cycles

Flag CY

Opera- (CY) â 1

tion:

Grouping: Arithmetic operation

Description: Sets (1) to carry flag CY.

Skip condition

SCP (Set Port C)

Instruc-

tion

code

1 0 1 0 0 0 1 1 0 1 2 2 8 D 16

Number of

words

Number of

cycles

Flag CY

Opera- (C) â 1

tion:

Grouping: Input/Output operation

Description: Sets (1) to port C.

Skip condition

SD (Set port D specified by register Y)

Instruc-

tion

code

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

Number of

words

Number of

cycles

Flag CY

Skip condition

Opera- (D(Y)) â 1

tion: (Y) = 0 to 4

Grouping: Input/Output operation

Description: Sets (1) to a bit of port D specified by register Y.

Note:

(Y) = 0 to 4.

Do not execute this instruction if values except above are

set to register Y.

Rev.1.02 May 25, 2007 Page 82 of 124

REJ03B0179-0102

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